update big NGC

2022-09-27 13:51:50 +00:00 · 2022-09-27 13:51:50 +00:00 · 870e3125ad
commit 870e3125ad
parent 675bf1b2b9
122 changed files with 2945 additions and 768 deletions
--- a/docs/ubuntu.png
+++ b/docs/ubuntu.png
--- a/docs/windows.png
+++ b/docs/windows.png
--- a/setup.py
+++ b/setup.py
@ -12,9 +12,9 @@ version = main.__version__ + '.0'


 if system() == 'Windows':
-    MODULES = ['PyQt5', 'PyAudio', 'numpy', 'opencv-python', 'pydenticon']
+    MODULES = ['PyQt5', 'PyAudio', 'numpy', 'opencv-python', 'pydenticon', 'cv2']
 else:
-    MODULES = []
+    MODULES = ['pydenticon']
    try:
        import pyaudio
    except ImportError:
@ -32,9 +32,9 @@ else:
    except ImportError:
        MODULES.append('opencv-python')
    try:
-        import pydenticon
+        import coloredlogs
    except ImportError:
-        MODULES.append('pydenticon')
+        MODULES.append('coloredlogs')


 def get_packages():
@ -84,6 +84,9 @@ setup(name='Toxygen',
          'Programming Language :: Python :: 3 :: Only',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
+          'Programming Language :: Python :: 3.7',
+          'Programming Language :: Python :: 3.8',
+          'Programming Language :: Python :: 3.9',
      ],
      entry_points={
          'console_scripts': ['toxygen=toxygen.main:main']
--- a/toxygen/app.py
+++ b/toxygen/app.py
--- a/toxygen/av/calls.py
+++ b/toxygen/av/calls.py
@ -1,14 +1,26 @@
+# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
 import pyaudio
 import time
 import threading
-from wrapper.toxav_enums import *
-import cv2
 import itertools
-import numpy as np
+
+from wrapper.toxav_enums import *
 from av import screen_sharing
 from av.call import Call
 import common.tox_save

+from utils import ui as util_ui
+import tests.support_testing as ts
+from middleware.threads import invoke_in_main_thread
+from main import sleep
+from middleware.threads import BaseThread
+
+global LOG
+import logging
+LOG = logging.getLogger('app.'+__name__)
+
+TIMER_TIMEOUT = 30.0
+bSTREAM_CALLBACK = False

 class AV(common.tox_save.ToxAvSave):

@ -16,6 +28,13 @@ class AV(common.tox_save.ToxAvSave):
        super().__init__(toxav)
        self._settings = settings
        self._running = True
+        s = settings
+        if 'video' not in s:
+            LOG.warn("AV.__init__ 'video' not in s" )
+            LOG.debug(f"AV.__init__ {s!r}" )
+        elif 'device' not in s['video']:
+            LOG.warn("AV.__init__ 'device' not in s.video" )
+            LOG.debug(f"AV.__init__ {s['video']!r}" )

        self._calls = {}  # dict: key - friend number, value - Call instance

@ -25,17 +44,27 @@ class AV(common.tox_save.ToxAvSave):
        self._audio_running = False
        self._out_stream = None

-        self._audio_rate = 8000
        self._audio_channels = 1
        self._audio_duration = 60
-        self._audio_sample_count = self._audio_rate * self._audio_channels * self._audio_duration // 1000
+        self._audio_rate_pa = 48000
+        self._audio_rate_tox = 48000
+        self._audio_rate_pa = 48000
+        self._audio_krate_tox_audio = self._audio_rate_tox // 1000
+        self._audio_krate_tox_video = 5000
+        self._audio_sample_count_pa = self._audio_rate_pa * self._audio_channels * self._audio_duration // 1000
+        self._audio_sample_count_tox = self._audio_rate_tox * self._audio_channels * self._audio_duration // 1000

        self._video = None
        self._video_thread = None
        self._video_running = False

-        self._video_width = 640
-        self._video_height = 480
+        self._video_width = 320
+        self._video_height = 240
+
+        iOutput = self._settings._args.audio['output']
+        self.lPaSampleratesO = ts.lSdSamplerates(iOutput)
+        global oPYA
+        oPYA = self._audio = pyaudio.PyAudio()

    def stop(self):
        self._running = False
@ -51,27 +80,70 @@ class AV(common.tox_save.ToxAvSave):

    def __call__(self, friend_number, audio, video):
        """Call friend with specified number"""
-        self._toxav.call(friend_number, 32 if audio else 0, 5000 if video else 0)
+        if friend_number in self._calls:
+            LOG.warn(f"__call__ already has {friend_number}")
+            return
+        if self._audio_krate_tox_audio not in ts.lToxSampleratesK:
+            LOG.warn(f"__call__ {self._audio_krate_tox_audio} not in {ts.lToxSampleratesK}")
+
+        try:
+            self._toxav.call(friend_number,
+                             self._audio_krate_tox_audio if audio else 0,
+                             self._audio_krate_tox_video if video else 0)
+        except ArgumentError as e:
+            LOG.warn(f"_toxav.call already has {friend_number}")
+            return
        self._calls[friend_number] = Call(audio, video)
-        threading.Timer(30.0, lambda: self.finish_not_started_call(friend_number)).start()
+        threading.Timer(TIMER_TIMEOUT,
+                        lambda: self.finish_not_started_call(friend_number)).start()

    def accept_call(self, friend_number, audio_enabled, video_enabled):
+        # obsolete
+        return call_accept_call(self, friend_number, audio_enabled, video_enabled)
+    
+    def call_accept_call(self, friend_number, audio_enabled, video_enabled):
+        LOG.debug(f"call_accept_call from {friend_number} {self._running}" +
+                  f"{audio_enabled} {video_enabled}")
+        # import pdb; pdb.set_trace() - gets into q Qt exec_ problem
+        # ts.trepan_handler()
+
+        if self._audio_krate_tox_audio not in ts.lToxSampleratesK:
+            LOG.warn(f"__call__ {self._audio_krate_tox_audio} not in {ts.lToxSampleratesK}")
        if self._running:
            self._calls[friend_number] = Call(audio_enabled, video_enabled)
-            self._toxav.answer(friend_number, 32 if audio_enabled else 0, 5000 if video_enabled else 0)
+            # audio_bit_rate: Audio bit rate in Kb/sec. Set this to 0 to disable audio sending.
+            # video_bit_rate: Video bit rate in Kb/sec. Set this to 0 to disable video sending.
+            try:
+                self._toxav.answer(friend_number,
+                                   self._audio_krate_tox_audio if audio_enabled else 0,
+                                   self._audio_krate_tox_video if video_enabled else 0)
+            except ArgumentError as e:
+                LOG.debug(f"AV accept_call error from {friend_number} {self._running}" +
+                          f"{e}")
+                raise
            if audio_enabled:
+                # may raise
                self.start_audio_thread()
            if video_enabled:
+                # may raise
                self.start_video_thread()

    def finish_call(self, friend_number, by_friend=False):
+        LOG.debug(f"finish_call  {friend_number}")
        if not by_friend:
            self._toxav.call_control(friend_number, TOXAV_CALL_CONTROL['CANCEL'])
        if friend_number in self._calls:
            del self._calls[friend_number]
-        if not len(list(filter(lambda c: c.out_audio, self._calls))):
+        try:
+            # AttributeError: 'int' object has no attribute 'out_audio'
+            if not len(list(filter(lambda c: c.out_audio, self._calls))):
+                self.stop_audio_thread()
+            if not len(list(filter(lambda c: c.out_video, self._calls))):
+                self.stop_video_thread()
+        except Exception as e:
+            LOG.error(f"finish_call FixMe:   {e}")
+            # dunno
            self.stop_audio_thread()
-        if not len(list(filter(lambda c: c.out_video, self._calls))):
            self.stop_video_thread()

    def finish_not_started_call(self, friend_number):
@ -84,6 +156,7 @@ class AV(common.tox_save.ToxAvSave):
        """
        New call state
        """
+        LOG.debug(f"toxav_call_state_cb {friend_number}")
        call = self._calls[friend_number]
        call.is_active = True

@ -107,31 +180,80 @@ class AV(common.tox_save.ToxAvSave):
        """
        Start audio sending
        """
+        global oPYA
+        iInput = self._settings._args.audio['input']
        if self._audio_thread is not None:
+            LOG.warn(f"start_audio_thread device={iInput}")
            return
+        iInput = self._settings._args.audio['input']
+        LOG.debug(f"start_audio_thread device={iInput}")
+        lPaSamplerates = ts.lSdSamplerates(iInput)
+        if not(len(lPaSamplerates)):
+            e = f"No supported sample rates for device: audio[input]={iInput!r}"
+            LOG.error(f"No supported sample rates {e}")
+            raise RuntimeError(e)
+        if not self._audio_rate_pa in lPaSamplerates:
+            LOG.warn(f"{self._audio_rate_pa} not in {lPaSamplerates!r}")
+            if False:
+                self._audio_rate_pa = oPYA.get_device_info_by_index(iInput)['defaultSampleRate']
+            else:
+                LOG.warn(f"Setting audio_rate to: {lPaSamplerates[0]}")
+                self._audio_rate_pa = lPaSamplerates[0]

-        self._audio_running = True
+        try:
+            LOG.debug( f"start_audio_thread framerate: {self._audio_rate_pa}" \
+                     +f" device: {iInput}"
+                     +f" supported: {lPaSamplerates!r}")
+            if self._audio_rate_pa not in lPaSamplerates:
+                LOG.warn(f"PAudio sampling rate was {self._audio_rate_pa} changed to {lPaSamplerates[0]}")
+                self._audio_rate_pa = lPaSamplerates[0]

-        self._audio = pyaudio.PyAudio()
-        self._audio_stream = self._audio.open(format=pyaudio.paInt16,
-                                              rate=self._audio_rate,
-                                              channels=self._audio_channels,
-                                              input=True,
-                                              input_device_index=self._settings.audio['input'],
-                                              frames_per_buffer=self._audio_sample_count * 10)
+            if bSTREAM_CALLBACK:
+                self._audio_stream = oPYA.open(format=pyaudio.paInt16,
+                                               rate=self._audio_rate_pa,
+                                               channels=self._audio_channels,
+                                               input=True,
+                                               input_device_index=iInput,
+                                               frames_per_buffer=self._audio_sample_count_pa * 10,
+                                               stream_callback=self.send_audio_data)
+                self._audio_running = True
+                self._audio_stream.start_stream()
+                while self._audio_stream.is_active():
+                    sleep(0.1)
+                self._audio_stream.stop_stream()
+                self._audio_stream.close()

-        self._audio_thread = threading.Thread(target=self.send_audio)
-        self._audio_thread.start()
+            else:
+                self._audio_stream = oPYA.open(format=pyaudio.paInt16,
+                                               rate=self._audio_rate_pa,
+                                               channels=self._audio_channels,
+                                               input=True,
+                                               input_device_index=iInput,
+                                               frames_per_buffer=self._audio_sample_count_pa * 10)
+                self._audio_running = True
+                self._audio_thread = BaseThread(target=self.send_audio,
+                                                      name='_audio_thread')
+                self._audio_thread.start()
+
+        except Exception as e:
+            LOG.error(f"Starting self._audio.open {e}")
+            LOG.debug(repr(dict(format=pyaudio.paInt16,
+                                rate=self._audio_rate_pa,
+                                channels=self._audio_channels,
+                                input=True,
+                                input_device_index=iInput,
+                                frames_per_buffer=self._audio_sample_count_pa * 10)))
+            # catcher in place in calls_manager
+            raise RuntimeError(e)
+        else:
+            LOG.debug(f"start_audio_thread {self._audio_stream!r}")

    def stop_audio_thread(self):

        if self._audio_thread is None:
            return
-
        self._audio_running = False

-        self._audio_thread.join()
-
        self._audio_thread = None
        self._audio_stream = None
        self._audio = None
@ -144,21 +266,39 @@ class AV(common.tox_save.ToxAvSave):
    def start_video_thread(self):
        if self._video_thread is not None:
            return
+        s = self._settings
+        if 'video' not in s:
+            LOG.warn("AV.__init__ 'video' not in s" )
+            LOG.debug(f"start_video_thread {s!r}" )
+            raise RuntimeError("start_video_thread not 'video' in s)" )
+        elif 'device' not in s['video']:
+            LOG.error("start_video_thread not 'device' in s['video']" )
+            LOG.debug(f"start_video_thread {s['video']!r}" )
+            raise RuntimeError("start_video_thread not 'device' ins s['video']" )
+        self._video_width = s['video']['width']
+        self._video_height = s['video']['height']
+
+        LOG.info("start_video_thread " \
+                     +f" device: {s['video']['device']}" \
+                     +f" supported: {s['video']['width']} {s['video']['height']}")
+
+        s['video']['device'] = -1
+        if s['video']['device'] == -1:
+            self._video = screen_sharing.DesktopGrabber(s['video']['x'],
+                                                        s['video']['y'],
+                                                        s['video']['width'],
+                                                        s['video']['height'])
+        else:
+            with ts.ignoreStdout():
+                import cv2
+                self._video = cv2.VideoCapture(s['video']['device'])
+                self._video.set(cv2.CAP_PROP_FPS, 25)
+                self._video.set(cv2.CAP_PROP_FRAME_WIDTH, self._video_width)
+                self._video.set(cv2.CAP_PROP_FRAME_HEIGHT, self._video_height)

        self._video_running = True
-        self._video_width = s.video['width']
-        self._video_height = s.video['height']
-
-        if s.video['device'] == -1:
-            self._video = screen_sharing.DesktopGrabber(self._settings.video['x'], self._settings.video['y'],
-                                                        self._settings.video['width'], self._settings.video['height'])
-        else:
-            self._video = cv2.VideoCapture(self._settings.video['device'])
-            self._video.set(cv2.CAP_PROP_FPS, 25)
-            self._video.set(cv2.CAP_PROP_FRAME_WIDTH, self._video_width)
-            self._video.set(cv2.CAP_PROP_FRAME_HEIGHT, self._video_height)
-
-        self._video_thread = threading.Thread(target=self.send_video)
+        self._video_thread = BaseThread(target=self.send_video,
+                                        name='_video_thread')
        self._video_thread.start()

    def stop_video_thread(self):
@ -166,7 +306,17 @@ class AV(common.tox_save.ToxAvSave):
            return

        self._video_running = False
-        self._video_thread.join()
+        i = 0
+        while i < ts.iTHREAD_JOINS:
+            self._video_thread.join(ts.iTHREAD_TIMEOUT)
+            try:
+                if not self._video_thread.is_alive(): break
+            except:
+                # AttributeError: 'NoneType' object has no attribute 'join'
+                break
+            i = i + 1
+        else:
+            LOG.warn("self._video_thread.is_alive BLOCKED")
        self._video_thread = None
        self._video = None

@ -180,58 +330,109 @@ class AV(common.tox_save.ToxAvSave):
        """

        if self._out_stream is None:
-            self._out_stream = self._audio.open(format=pyaudio.paInt16,
-                                                channels=channels_count,
-                                                rate=rate,
-                                                output_device_index=self._settings.audio['output'],
-                                                output=True)
+            iOutput = self._settings._args.audio['output']
+            if not rate in self.lPaSampleratesO:
+                LOG.warn(f"{rate} not in {self.lPaSampleratesO!r}")
+                if False:
+                    rate = oPYA.get_device_info_by_index(iOutput)['defaultSampleRate']
+                LOG.warn(f"Setting audio_rate to: {self.lPaSampleratesO[0]}")
+                rate = self.lPaSampleratesO[0]
+            try:
+                with ts.ignoreStderr():
+                    self._out_stream = oPYA.open(format=pyaudio.paInt16,
+                                                 channels=channels_count,
+                                                 rate=rate,
+                                                 output_device_index=iOutput,
+                                                 output=True)
+            except Exception as e:
+               LOG.error(f"Error playing audio_chunk creating self._out_stream   {e}")
+               LOG.debug(f"audio_chunk output_device_index={self._settings._args.audio['input']} rate={rate} channels={channels_count}")
+               invoke_in_main_thread(util_ui.message_box,
+                                    str(e),
+                                    util_ui.tr("Error Chunking audio"))
+               # dunno
+               self.stop()
+               return
+
        self._out_stream.write(samples)

    # -----------------------------------------------------------------------------------------------------------------
    # AV sending
    # -----------------------------------------------------------------------------------------------------------------

+    def send_audio_data(self, data, count, *largs, **kwargs):
+        pcm = data
+        # :param sampling_rate: Audio sampling rate used in this frame.
+        if self._toxav is None:
+            raise RuntimeError("_toxav not initialized")
+        if self._audio_rate_tox not in ts.lToxSamplerates:
+            LOG.warn(f"ToxAudio sampling rate was {self._audio_rate_tox} changed to {ts.lToxSamplerates[0]}")
+            self._audio_rate_tox = ts.lToxSamplerates[0]
+
+        for friend_num in self._calls:
+            if self._calls[friend_num].out_audio:
+                try:
+                    # app.av.calls ERROR Error send_audio:   One of the frame parameters was invalid. E.g. the resolution may be too small or too large, or the audio sampling rate may be unsupported
+                    self._toxav.audio_send_frame(friend_num,
+                                                 pcm,
+                                                 count,
+                                                 self._audio_channels,
+                                                 self._audio_rate_tox)
+                except Exception as e:
+                   LOG.error(f"Error send_audio audio_send_frame: {e}")
+                   LOG.debug(f"send_audio self._audio_rate_tox={self._audio_rate_tox} self._audio_channels={self._audio_channels}")
+                   invoke_in_main_thread(util_ui.message_box,
+                                    str(e),
+                                    util_ui.tr("Error send_audio audio_send_frame"))
+                   pass
+
    def send_audio(self):
        """
        This method sends audio to friends
        """
-
+        i=0
+        count = self._audio_sample_count_tox
+        LOG.debug(f"send_audio stream={self._audio_stream}")
        while self._audio_running:
            try:
-                pcm = self._audio_stream.read(self._audio_sample_count)
-                if pcm:
-                    for friend_num in self._calls:
-                        if self._calls[friend_num].out_audio:
-                            try:
-                                self._toxav.audio_send_frame(friend_num, pcm, self._audio_sample_count,
-                                                             self._audio_channels, self._audio_rate)
-                            except:
-                                pass
+                pcm = self._audio_stream.read(count, exception_on_overflow=False)
+                if not pcm:
+                    sleep(0.1)
+                else:
+                    self.send_audio_data(pcm, count)
            except:
                pass
-
-            time.sleep(0.01)
+            i += 1
+            LOG.debug(f"send_audio {i}")
+            sleep(0.01)

    def send_video(self):
        """
        This method sends video to friends
        """
+        LOG.debug(f"send_video thread={threading.current_thread()}"
+                  +f" self._video_running={self._video_running}"
+                  +f" device: {self._settings['video']['device']}" )
        while self._video_running:
            try:
                result, frame = self._video.read()
                if result:
+                    LOG.warn(f"send_video video_send_frame _video.read")
+                else:
                    height, width, channels = frame.shape
                    for friend_num in self._calls:
                        if self._calls[friend_num].out_video:
                            try:
                                y, u, v = self.convert_bgr_to_yuv(frame)
                                self._toxav.video_send_frame(friend_num, width, height, y, u, v)
-                            except:
+                            except Exception as e:
+                                LOG.debug(f"send_video video_send_frame ERROR {e}")
                                pass
+
            except:
                pass

-            time.sleep(0.01)
+            sleep(0.1)

    def convert_bgr_to_yuv(self, frame):
        """
@ -264,11 +465,14 @@ class AV(common.tox_save.ToxAvSave):
        Y, U, V can be extracted using slices and joined in one list using itertools.chain.from_iterable()
        Function returns bytes(y), bytes(u), bytes(v), because it is required for ctypes
        """
+        with ts.ignoreStdout():
+            import cv2
        frame = cv2.cvtColor(frame, cv2.COLOR_BGR2YUV_I420)

        y = frame[:self._video_height, :]
        y = list(itertools.chain.from_iterable(y))

+        import numpy as np
        u = np.zeros((self._video_height // 2, self._video_width // 2), dtype=np.int)
        u[::2, :] = frame[self._video_height:self._video_height * 5 // 4, :self._video_width // 2]
        u[1::2, :] = frame[self._video_height:self._video_height * 5 // 4, self._video_width // 2:]
--- a/toxygen/av/calls_manager.py
+++ b/toxygen/av/calls_manager.py
@ -1,22 +1,30 @@
+# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
+
+import sys
 import threading
-import cv2
+
 import av.calls
 from messenger.messages import *
 from ui import av_widgets
 import common.event as event
+import utils.ui as util_ui

+global LOG
+import logging
+LOG = logging.getLogger('app.'+__name__)

 class CallsManager:

-    def __init__(self, toxav, settings, screen, contacts_manager):
+    def __init__(self, toxav, settings, main_screen, contacts_manager, app=None):
        self._call = av.calls.AV(toxav, settings)  # object with data about calls
        self._call_widgets = {}  # dict of incoming call widgets
        self._incoming_calls = set()
        self._settings = settings
-        self._screen = screen
+        self._main_screen = main_screen
        self._contacts_manager = contacts_manager
        self._call_started_event = event.Event()  # friend_number, audio, video, is_outgoing
        self._call_finished_event = event.Event()  # friend_number, is_declined
+        self._app = app

    def set_toxav(self, toxav):
        self._call.set_toxav(toxav)
@ -45,10 +53,10 @@ class CallsManager:
        if not self._contacts_manager.is_active_a_friend():
            return
        if num not in self._call and self._contacts_manager.is_active_online():  # start call
-            if not self._settings.audio['enabled']:
+            if not self._settings['audio']['enabled']:
                return
            self._call(num, audio, video)
-            self._screen.active_call()
+            self._main_screen.active_call()
            self._call_started_event(num, audio, video, True)
        elif num in self._call:  # finish or cancel call if you call with active friend
            self.stop_call(num, False)
@ -57,13 +65,13 @@ class CallsManager:
        """
        Incoming call from friend.
        """
-        if not self._settings.audio['enabled']:
-            return
+        LOG.debug(__name__ +f" incoming_call  {friend_number}")
+        # if not self._settings['audio']['enabled']: return
        friend = self._contacts_manager.get_friend_by_number(friend_number)
        self._call_started_event(friend_number, audio, video, False)
        self._incoming_calls.add(friend_number)
        if friend_number == self._contacts_manager.get_active_number():
-            self._screen.incoming_call()
+            self._main_screen.incoming_call()
        else:
            friend.actions = True
        text = util_ui.tr("Incoming video call") if video else util_ui.tr("Incoming audio call")
@ -74,31 +82,73 @@ class CallsManager:
    def accept_call(self, friend_number, audio, video):
        """
        Accept incoming call with audio or video
+        Called from a thread
        """
-        self._call.accept_call(friend_number, audio, video)
-        self._screen.active_call()
-        if friend_number in self._incoming_calls:
-            self._incoming_calls.remove(friend_number)
-        del self._call_widgets[friend_number]

+        LOG.debug(f"CM accept_call from {friend_number} {audio} {video}")
+        sys.stdout.flush()
+
+        try:
+            self._call.call_accept_call(friend_number, audio, video)
+        except Exception as e:
+            LOG.error(f"accept_call _call.accept_call ERROR for {friend_number} {e}")
+            self._main_screen.call_finished()
+            if hasattr(self._main_screen, '_settings') and \
+              'audio' in self._main_screen._settings and \
+              'input' in self._main_screen._settings['audio']:
+                iInput = self._settings['audio']['input']
+                iOutput = self._settings['audio']['output']
+                iVideo = self._settings['video']['device']
+                LOG.debug(f"iInput={iInput} iOutput={iOutput} iVideo={iVideo}")
+            elif hasattr(self._main_screen, '_settings') and \
+              hasattr(self._main_screen._settings, 'audio') and \
+              'input' not in self._main_screen._settings['audio']:
+                LOG.warn(f"'audio' not in {self._main_screen._settings!r}")
+            elif hasattr(self._main_screen, '_settings') and \
+              hasattr(self._main_screen._settings, 'audio') and \
+              'input' not in self._main_screen._settings['audio']:
+                LOG.warn(f"'audio' not in {self._main_screen._settings!r}")
+            else:
+                LOG.warn(f"_settings not in self._main_screen")
+            util_ui.message_box(str(e),
+                            util_ui.tr('ERROR Accepting call from {friend_number}'))
+        else:
+            self._main_screen.active_call()
+            
+        finally:
+            # does not terminate call - just the av_widget
+            if friend_number in self._incoming_calls:
+                self._incoming_calls.remove(friend_number)
+            try:
+                self._call_widgets[friend_number].close()
+                del self._call_widgets[friend_number]
+            except:
+                # RuntimeError: wrapped C/C++ object of type IncomingCallWidget has been deleted
+
+                pass
+            LOG.debug(f" closed self._call_widgets[{friend_number}]")
+                
    def stop_call(self, friend_number, by_friend):
        """
        Stop call with friend
        """
+        LOG.debug(__name__+f" stop_call {friend_number}")
        if friend_number in self._incoming_calls:
            self._incoming_calls.remove(friend_number)
            is_declined = True
        else:
            is_declined = False
-        self._screen.call_finished()
-        is_video = self._call.is_video_call(friend_number)
+        self._main_screen.call_finished()
        self._call.finish_call(friend_number, by_friend)  # finish or decline call
        if friend_number in self._call_widgets:
            self._call_widgets[friend_number].close()
            del self._call_widgets[friend_number]

        def destroy_window():
+            #??? FixMed
+            is_video = self._call.is_video_call(friend_number)
            if is_video:
+                import cv2
                cv2.destroyWindow(str(friend_number))

        threading.Timer(2.0, destroy_window).start()
--- a/toxygen/av/screen_sharing.py
+++ b/toxygen/av/screen_sharing.py
@ -1,4 +1,3 @@
-import numpy as np
 from PyQt5 import QtWidgets


@ -17,6 +16,7 @@ class DesktopGrabber:
        pixmap = self._screen.grabWindow(0, self._x, self._y, self._width, self._height)
        image = pixmap.toImage()
        s = image.bits().asstring(self._width * self._height * 4)
+        import numpy as np
        arr = np.fromstring(s, dtype=np.uint8).reshape((self._height, self._width, 4))

        return True, arr
--- a/toxygen/bootstrap/bootstrap.py
+++ b/toxygen/bootstrap/bootstrap.py
@ -1,83 +1,49 @@
+# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
 import random
 import urllib.request
 from utils.util import *
-from PyQt5 import QtNetwork, QtCore
-import json
+from PyQt5 import QtNetwork
+from PyQt5 import QtCore
+try:
+    import requests
+except ImportError:
+    requests = None
+try:
+    import pycurl
+    import certifi
+    from io import BytesIO
+except ImportError:
+    pycurl = None

+from user_data.settings import get_user_config_path
+from tests.support_testing import download_url, _get_nodes_path

-DEFAULT_NODES_COUNT = 4
+global LOG
+import logging
+LOG = logging.getLogger('app.'+'bootstrap')

-
-class Node:
-
-    def __init__(self, node):
-        self._ip, self._port, self._tox_key = node['ipv4'], node['port'], node['public_key']
-        self._priority = random.randint(1, 1000000) if node['status_tcp'] and node['status_udp'] else 0
-
-    def get_priority(self):
-        return self._priority
-
-    priority = property(get_priority)
-
-    def get_data(self):
-        return self._ip, self._port, self._tox_key
-
-
-def generate_nodes(nodes_count=DEFAULT_NODES_COUNT):
-    with open(_get_nodes_path(), 'rt') as fl:
-        json_nodes = json.loads(fl.read())['nodes']
-    nodes = map(lambda json_node: Node(json_node), json_nodes)
-    nodes = filter(lambda n: n.priority > 0, nodes)
-    sorted_nodes = sorted(nodes, key=lambda x: x.priority)
-    if nodes_count is not None:
-        sorted_nodes = sorted_nodes[-DEFAULT_NODES_COUNT:]
-    for node in sorted_nodes:
-        yield node.get_data()
-
-
-def download_nodes_list(settings):
-    url = 'https://nodes.tox.chat/json'
+def download_nodes_list(settings, oArgs):
    if not settings['download_nodes_list']:
-        return
+        return ''
+    url = settings['download_nodes_url']
+    path = _get_nodes_path(oArgs=oArgs)
+    # dont download blindly so we can edit the file and not block on startup
+    if os.path.isfile(path):
+        with open(path, 'rt') as fl:
+            result = fl.read()
+            return result
+    LOG.debug("downloading list of nodes")
+    result = download_url(url, settings._app)
+    if not result:
+        LOG.warn("failed downloading list of nodes")
+        return ''
+    LOG.info("downloaded list of nodes")
+    _save_nodes(result, settings._app)
+    return result

-    if not settings['proxy_type']:  # no proxy
-        try:
-            req = urllib.request.Request(url)
-            req.add_header('Content-Type', 'application/json')
-            response = urllib.request.urlopen(req)
-            result = response.read()
-            _save_nodes(result)
-        except Exception as ex:
-            log('TOX nodes loading error: ' + str(ex))
-    else:  # proxy
-        netman = QtNetwork.QNetworkAccessManager()
-        proxy = QtNetwork.QNetworkProxy()
-        proxy.setType(
-            QtNetwork.QNetworkProxy.Socks5Proxy if settings['proxy_type'] == 2 else QtNetwork.QNetworkProxy.HttpProxy)
-        proxy.setHostName(settings['proxy_host'])
-        proxy.setPort(settings['proxy_port'])
-        netman.setProxy(proxy)
-        try:
-            request = QtNetwork.QNetworkRequest()
-            request.setUrl(QtCore.QUrl(url))
-            reply = netman.get(request)
-
-            while not reply.isFinished():
-                QtCore.QThread.msleep(1)
-                QtCore.QCoreApplication.processEvents()
-            data = bytes(reply.readAll().data())
-            _save_nodes(data)
-        except Exception as ex:
-            log('TOX nodes loading error: ' + str(ex))
-
-
-def _get_nodes_path():
-    return join_path(curr_directory(__file__), 'nodes.json')
-
-
-def _save_nodes(nodes):
+def _save_nodes(nodes, app):
    if not nodes:
        return
-    print('Saving nodes...')
-    with open(_get_nodes_path(), 'wb') as fl:
+    with open(_get_nodes_path(oArgs=app._args), 'wb') as fl:
+        LOG.info("Saving nodes to " +_get_nodes_path())
        fl.write(nodes)
--- a/toxygen/contacts/basecontact.py
+++ b/toxygen/contacts/basecontact.py
@ -1,3 +1,4 @@
+# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
 from user_data.settings import *
 from PyQt5 import QtCore, QtGui
 from wrapper.toxcore_enums_and_consts import TOX_PUBLIC_KEY_SIZE
--- a/toxygen/contacts/contact.py
+++ b/toxygen/contacts/contact.py
@ -1,10 +1,17 @@
-from history.database import *
+# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
+from history.database import TIMEOUT, \
+    SAVE_MESSAGES, MESSAGE_AUTHOR
+
 from contacts import basecontact, common
 from messenger.messages import *
 from contacts.contact_menu import *
 from file_transfers import file_transfers as ft
 import re

+# LOG=util.log
+global LOG
+import logging
+LOG = logging.getLogger('app.'+__name__)

 class Contact(basecontact.BaseContact):
    """
@ -139,7 +146,7 @@ class Contact(basecontact.BaseContact):
                                            and m.tox_message_id == tox_message_id, self._corr))[0]
            message.mark_as_sent()
        except Exception as ex:
-            util.log('Mark as sent ex: ' + str(ex))
+            LOG.error(f"Mark as sent:  {ex!s}")

    # -----------------------------------------------------------------------------------------------------------------
    # Message deletion
--- a/toxygen/contacts/contact_menu.py
+++ b/toxygen/contacts/contact_menu.py
@ -1,6 +1,12 @@
+# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
 from PyQt5 import QtWidgets
-import utils.ui as util_ui

+import utils.ui as util_ui
+from wrapper.toxcore_enums_and_consts import *
+
+global LOG
+import logging
+LOG = logging.getLogger('app')

 # -----------------------------------------------------------------------------------------------------------------
 # Builder
@ -99,8 +105,8 @@ class BaseContactMenuGenerator:
        (copy_menu_builder
         .with_name(util_ui.tr('Copy'))
         .with_action(util_ui.tr('Name'), lambda: main_screen.copy_text(self._contact.name))
-         .with_action(util_ui.tr('Status message'), lambda: main_screen.copy_text(self._contact.status_message))
-         .with_action(util_ui.tr('Public key'), lambda: main_screen.copy_text(self._contact.tox_id))
+         .with_action(util_ui.tr("Status message"), lambda: main_screen.copy_text(self._contact.status_message))
+         .with_action(util_ui.tr("Public key"), lambda: main_screen.copy_text(self._contact.tox_id))
         )

        return copy_menu_builder
@ -108,11 +114,11 @@ class BaseContactMenuGenerator:
    def _generate_history_menu_builder(self, history_loader, main_screen):
        history_menu_builder = ContactMenuBuilder()
        (history_menu_builder
-         .with_name(util_ui.tr('Chat history'))
-         .with_action(util_ui.tr('Clear history'), lambda: history_loader.clear_history(self._contact)
+         .with_name(util_ui.tr("Chat history"))
+         .with_action(util_ui.tr("Clear history"), lambda: history_loader.clear_history(self._contact)
                                                           or main_screen.messages.clear())
-         .with_action(util_ui.tr('Export as text'), lambda: history_loader.export_history(self._contact))
-         .with_action(util_ui.tr('Export as HTML'), lambda: history_loader.export_history(self._contact, False))
+         .with_action(util_ui.tr("Export as text"), lambda: history_loader.export_history(self._contact))
+         .with_action(util_ui.tr("Export as HTML"), lambda: history_loader.export_history(self._contact, False))
         )

        return history_menu_builder
@ -127,16 +133,16 @@ class FriendMenuGenerator(BaseContactMenuGenerator):
        groups_menu_builder = self._generate_groups_menu(contacts_manager, groups_service)

        allowed = self._contact.tox_id in settings['auto_accept_from_friends']
-        auto = util_ui.tr('Disallow auto accept') if allowed else util_ui.tr('Allow auto accept')
+        auto = util_ui.tr("Disallow auto accept") if allowed else util_ui.tr('Allow auto accept')

        builder = ContactMenuBuilder()
        menu = (builder
-                .with_action(util_ui.tr('Set alias'), lambda: main_screen.set_alias(number))
+                .with_action(util_ui.tr("Set alias"), lambda: main_screen.set_alias(number))
                .with_submenu(history_menu_builder)
                .with_submenu(copy_menu_builder)
                .with_action(auto, lambda: main_screen.auto_accept(number, not allowed))
-                .with_action(util_ui.tr('Remove friend'), lambda: main_screen.remove_friend(number))
-                .with_action(util_ui.tr('Block friend'), lambda: main_screen.block_friend(number))
+                .with_action(util_ui.tr("Remove friend"), lambda: main_screen.remove_friend(number))
+                .with_action(util_ui.tr("Block friend"), lambda: main_screen.block_friend(number))
                .with_action(util_ui.tr('Notes'), lambda: main_screen.show_note(self._contact))
                .with_optional_submenu(plugins_menu_builder)
                .with_optional_submenu(groups_menu_builder)
@ -165,11 +171,13 @@ class FriendMenuGenerator(BaseContactMenuGenerator):

    def _generate_groups_menu(self, contacts_manager, groups_service):
        chats = contacts_manager.get_group_chats()
+        LOG.debug(f"_generate_groups_menu len(chats)={len(chats)} or self._contact.status={self._contact.status}")
        if not len(chats) or self._contact.status is None:
-            return None
+            #? return None
+            pass
        groups_menu_builder = ContactMenuBuilder()
        (groups_menu_builder
-         .with_name(util_ui.tr('Invite to group'))
+         .with_name(util_ui.tr("Invite to group"))
         .with_actions([(g.name, lambda: groups_service.invite_friend(self._contact.number, g.number)) for g in chats])
         )

@ -184,26 +192,26 @@ class GroupMenuGenerator(BaseContactMenuGenerator):

        builder = ContactMenuBuilder()
        menu = (builder
-                .with_action(util_ui.tr('Set alias'), lambda: main_screen.set_alias(number))
+                .with_action(util_ui.tr("Set alias"), lambda: main_screen.set_alias(number))
                .with_submenu(copy_menu_builder)
                .with_submenu(history_menu_builder)
-                .with_optional_action(util_ui.tr('Manage group'),
+                .with_optional_action(util_ui.tr("Manage group"),
                                      lambda: groups_service.show_group_management_screen(self._contact),
                                      self._contact.is_self_founder())
-                .with_optional_action(util_ui.tr('Group settings'),
+                .with_optional_action(util_ui.tr("Group settings"),
                                      lambda: groups_service.show_group_settings_screen(self._contact),
                                      not self._contact.is_self_founder())
-                .with_optional_action(util_ui.tr('Set topic'),
+                .with_optional_action(util_ui.tr("Set topic"),
                                      lambda: groups_service.set_group_topic(self._contact),
                                      self._contact.is_self_moderator_or_founder())
-                .with_action(util_ui.tr('Bans list'),
-                             lambda: groups_service.show_bans_list(self._contact))
-                .with_action(util_ui.tr('Reconnect to group'),
+#                .with_action(util_ui.tr("Bans list"),
+#                             lambda: groups_service.show_bans_list(self._contact))
+                .with_action(util_ui.tr("Reconnect to group"),
                             lambda: groups_service.reconnect_to_group(self._contact.number))
-                .with_optional_action(util_ui.tr('Disconnect from group'),
+                .with_optional_action(util_ui.tr("Disconnect from group"),
                                      lambda: groups_service.disconnect_from_group(self._contact.number),
                                      self._contact.status is not None)
-                .with_action(util_ui.tr('Leave group'), lambda: groups_service.leave_group(self._contact.number))
+                .with_action(util_ui.tr("Leave group"), lambda: groups_service.leave_group(self._contact.number))
                .with_action(util_ui.tr('Notes'), lambda: main_screen.show_note(self._contact))
                ).build()

@ -218,10 +226,10 @@ class GroupPeerMenuGenerator(BaseContactMenuGenerator):

        builder = ContactMenuBuilder()
        menu = (builder
-                .with_action(util_ui.tr('Set alias'), lambda: main_screen.set_alias(number))
+                .with_action(util_ui.tr("Set alias"), lambda: main_screen.set_alias(number))
                .with_submenu(copy_menu_builder)
                .with_submenu(history_menu_builder)
-                .with_action(util_ui.tr('Quit chat'),
+                .with_action(util_ui.tr("Quit chat"),
                             lambda: contacts_manager.remove_group_peer(self._contact))
                .with_action(util_ui.tr('Notes'), lambda: main_screen.show_note(self._contact))
                ).build()
--- a/toxygen/contacts/contact_provider.py
+++ b/toxygen/contacts/contact_provider.py
@ -15,8 +15,10 @@ class ContactProvider(tox_save.ToxSave):
    # -----------------------------------------------------------------------------------------------------------------

    def get_friend_by_number(self, friend_number):
-        public_key = self._tox.friend_get_public_key(friend_number)
-
+        try:
+            public_key = self._tox.friend_get_public_key(friend_number)
+        except Exception as e:
+            return None
        return self.get_friend_by_public_key(public_key)

    def get_friend_by_public_key(self, public_key):
@ -29,7 +31,10 @@ class ContactProvider(tox_save.ToxSave):
        return friend

    def get_all_friends(self):
-        friend_numbers = self._tox.self_get_friend_list()
+        try:
+            friend_numbers = self._tox.self_get_friend_list()
+        except Exception as e:
+            return None
        friends = map(lambda n: self.get_friend_by_number(n), friend_numbers)

        return list(friends)
@ -39,13 +44,19 @@ class ContactProvider(tox_save.ToxSave):
    # -----------------------------------------------------------------------------------------------------------------

    def get_all_groups(self):
-        group_numbers = range(self._tox.group_get_number_groups())
+        try:
+            group_numbers = range(self._tox.group_get_number_groups())
+        except Exception as e:
+            return None
        groups = map(lambda n: self.get_group_by_number(n), group_numbers)

        return list(groups)

    def get_group_by_number(self, group_number):
-        public_key = self._tox.group_get_chat_id(group_number)
+        try:
+            public_key = self._tox.group_get_chat_id(group_number)
+        except Exception as e:
+            return None

        return self.get_group_by_public_key(public_key)

@ -67,8 +78,8 @@ class ContactProvider(tox_save.ToxSave):

    def get_group_peer_by_id(self, group, peer_id):
        peer = group.get_peer_by_id(peer_id)
-
-        return self._get_group_peer(group, peer)
+        if peer:
+            return self._get_group_peer(group, peer)

    def get_group_peer_by_public_key(self, group, public_key):
        peer = group.get_peer_by_public_key(public_key)
--- a/toxygen/contacts/contacts_manager.py
+++ b/toxygen/contacts/contacts_manager.py
@ -1,9 +1,15 @@
+# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
 from contacts.friend import Friend
 from contacts.group_chat import GroupChat
 from messenger.messages import *
 from common.tox_save import ToxSave
 from contacts.group_peer_contact import GroupPeerContact

+# LOG=util.log
+global LOG
+import logging
+LOG = logging.getLogger('app.'+__name__)
+log = lambda x: LOG.info(x)

 class ContactsManager(ToxSave):
    """
@ -129,8 +135,8 @@ class ContactsManager(ToxSave):
            self._set_current_contact_data(contact)
            self._active_contact_changed(contact)
        except Exception as ex:  # no friend found. ignore
-            util.log('Friend value: ' + str(value))
-            util.log('Error in set active: ' + str(ex))
+            LOG.warn(f"no friend found. Friend value:  {value!s}")
+            LOG.error('in set active: ' + str(ex))
            raise

    active_contact = property(get_active, set_active)
@ -235,8 +241,9 @@ class ContactsManager(ToxSave):
    def get_or_create_group_peer_contact(self, group_number, peer_id):
        group = self.get_group_by_number(group_number)
        peer = group.get_peer_by_id(peer_id)
-        if not self.check_if_contact_exists(peer.public_key):
-            self.add_group_peer(group, peer)
+        if peer: # broken
+            if not self.check_if_contact_exists(peer.public_key):
+                self.add_group_peer(group, peer)

        return self.get_contact_by_tox_id(peer.public_key)

@ -375,16 +382,18 @@ class ContactsManager(ToxSave):

    def remove_group_peer_by_id(self, group, peer_id):
        peer = group.get_peer_by_id(peer_id)
-        if not self.check_if_contact_exists(peer.public_key):
-            return
-        contact = self.get_contact_by_tox_id(peer.public_key)
-        self.remove_group_peer(contact)
+        if peer: # broken
+            if not self.check_if_contact_exists(peer.public_key):
+                return
+            contact = self.get_contact_by_tox_id(peer.public_key)
+            self.remove_group_peer(contact)

    def remove_group_peer(self, group_peer_contact):
        contact = self.get_contact_by_tox_id(group_peer_contact.tox_id)
-        self._cleanup_contact_data(contact)
-        num = self._contacts.index(contact)
-        self._delete_contact(num)
+        if contact:
+            self._cleanup_contact_data(contact)
+            num = self._contacts.index(contact)
+            self._delete_contact(num)

    def get_gc_peer_name(self, name):
        group = self.get_curr_contact()
@ -432,7 +441,7 @@ class ContactsManager(ToxSave):
            self.save_profile()
            return True
        except Exception as ex:  # wrong data
-            util.log('Friend request failed with ' + str(ex))
+            LOG.error('Friend request failed with ' + str(ex))
            return str(ex)

    def process_friend_request(self, tox_id, message):
@ -451,7 +460,7 @@ class ContactsManager(ToxSave):
                data = self._tox.get_savedata()
                self._profile_manager.save_profile(data)
        except Exception as ex:  # something is wrong
-            util.log('Accept friend request failed! ' + str(ex))
+            LOG.error('Accept friend request failed! ' + str(ex))

    def can_send_typing_notification(self):
        return self._settings['typing_notifications'] and not self.is_active_a_group_chat_peer()
--- a/toxygen/contacts/group_chat.py
+++ b/toxygen/contacts/group_chat.py
@ -1,3 +1,5 @@
+# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
+
 from contacts import contact
 from contacts.contact_menu import GroupMenuGenerator
 import utils.util as util
@ -6,6 +8,14 @@ from wrapper import toxcore_enums_and_consts as constants
 from common.tox_save import ToxSave
 from groups.group_ban import GroupBan

+global LOG
+import logging
+LOG = logging.getLogger(__name__)
+def LOG_ERROR(l): print('ERROR_: '+l)
+def LOG_WARN(l): print('WARN_: '+l)
+def LOG_INFO(l): print('INFO_: '+l)
+def LOG_DEBUG(l): print('DEBUG_: '+l)
+def LOG_TRACE(l): pass # print('TRACE+ '+l)

 class GroupChat(contact.Contact, ToxSave):

@ -73,6 +83,10 @@ class GroupChat(contact.Contact, ToxSave):
        return self.get_self_role() == constants.TOX_GROUP_ROLE['FOUNDER']

    def add_peer(self, peer_id, is_current_user=False):
+        if peer_id >  self._peers_limit:
+            LOG_WARN(f"add_peer id={peer_id} > {self._peers_limit}")
+            return
+        
        peer = GroupChatPeer(peer_id,
                             self._tox.group_peer_get_name(self._number, peer_id),
                             self._tox.group_peer_get_status(self._number, peer_id),
@ -86,25 +100,41 @@ class GroupChat(contact.Contact, ToxSave):
            self.remove_all_peers_except_self()
        else:
            peer = self.get_peer_by_id(peer_id)
-            self._peers.remove(peer)
+            if peer: # broken
+                self._peers.remove(peer)
+            else:
+                LOG_WARN(f"remove_peer empty peers for {peer_id}")

    def get_peer_by_id(self, peer_id):
        peers = list(filter(lambda p: p.id == peer_id, self._peers))
-
-        return peers[0]
+        if peers:
+            #? broken
+            return peers[0]
+        else:
+            LOG_WARN(f"get_peer_by_id empty peers for {peer_id}")
+            return []

    def get_peer_by_public_key(self, public_key):
        peers = list(filter(lambda p: p.public_key == public_key, self._peers))
-
-        return peers[0]
+        # DEBUGc: group_moderation #0 mod_id=4294967295 event_type=3
+        # WARN_: get_peer_by_id empty peers for 4294967295
+        if peers:
+            return peers[0]
+        else:
+            LOG_WARN(f"get_peer_by_public_key empty peers for {public_key}")
+            return []

    def remove_all_peers_except_self(self):
        self._peers = self._peers[:1]

    def get_peers_names(self):
        peers_names = map(lambda p: p.name, self._peers)
-
-        return list(peers_names)
+        if peers_names: # broken
+            return list(peers_names)
+        else:
+            LOG_WARN(f"get_peers_names empty peers")
+            #? broken
+            return []

    def get_peers(self):
        return self._peers[:]
@ -112,16 +142,17 @@ class GroupChat(contact.Contact, ToxSave):
    peers = property(get_peers)

    def get_bans(self):
-        ban_ids = self._tox.group_ban_get_list(self._number)
-        bans = []
-        for ban_id in ban_ids:
-            ban = GroupBan(ban_id,
-                           self._tox.group_ban_get_target(self._number, ban_id),
-                           self._tox.group_ban_get_time_set(self._number, ban_id))
-            bans.append(ban)
-
-        return bans
-
+        return []
+#        ban_ids = self._tox.group_ban_get_list(self._number)
+#        bans = []
+#        for ban_id in ban_ids:
+#            ban = GroupBan(ban_id,
+#                           self._tox.group_ban_get_target(self._number, ban_id),
+#                           self._tox.group_ban_get_time_set(self._number, ban_id))
+#            bans.append(ban)
+#
+#        return bans
+#
    bans = property(get_bans)

    # -----------------------------------------------------------------------------------------------------------------
--- a/toxygen/contacts/profile.py
+++ b/toxygen/contacts/profile.py
@ -1,9 +1,13 @@
+# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
 from contacts import basecontact
 import random
 import threading
 import common.tox_save as tox_save
 from middleware.threads import invoke_in_main_thread

+global LOG
+import logging
+LOG = logging.getLogger('app.'+__name__)

 class Profile(basecontact.BaseContact, tox_save.ToxSave):
    """
@ -14,6 +18,7 @@ class Profile(basecontact.BaseContact, tox_save.ToxSave):
        :param tox: tox instance
        :param screen: ref to main screen
        """
+        assert tox
        basecontact.BaseContact.__init__(self,
                                         profile_manager,
                                         tox.self_get_name(),
--- a/toxygen/file_transfers/file_transfers_handler.py
+++ b/toxygen/file_transfers/file_transfers_handler.py
@ -1,11 +1,19 @@
+# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
 from messenger.messages import *
 from ui.contact_items import *
 import utils.util as util
 from common.tox_save import ToxSave
+from tests.support_testing import assert_main_thread
+from copy import deepcopy

+# LOG=util.log
+global LOG
+import logging
+LOG = logging.getLogger('app.'+__name__)
+log = lambda x: LOG.info(x)

 class FileTransfersHandler(ToxSave):
-
+    lBlockAvatars = []
    def __init__(self, tox, settings, contact_provider, file_transfers_message_service, profile):
        super().__init__(tox)
        self._settings = settings
@ -19,7 +27,8 @@ class FileTransfersHandler(ToxSave):
        # key = (friend number, file number), value - message id

        profile.avatar_changed_event.add_callback(self._send_avatar_to_contacts)
-        
+        self. lBlockAvatars = []
+
    def stop(self):
        self._settings['paused_file_transfers'] = self._paused_file_transfers if self._settings['resend_files'] else {}
        self._settings.save()
@ -37,6 +46,7 @@ class FileTransfersHandler(ToxSave):
        :param file_name: file name without path
        """
        friend = self._get_friend_by_number(friend_number)
+        if friend is None: return None
        auto = self._settings['allow_auto_accept'] and friend.tox_id in self._settings['auto_accept_from_friends']
        inline = is_inline(file_name) and self._settings['allow_inline']
        file_id = self._tox.file_get_file_id(friend_number, file_number)
@ -85,7 +95,9 @@ class FileTransfersHandler(ToxSave):
            self._tox.file_control(friend_number, file_number, TOX_FILE_CONTROL['CANCEL'])

    def cancel_not_started_transfer(self, friend_number, message_id):
-        self._get_friend_by_number(friend_number).delete_one_unsent_file(message_id)
+        friend = self._get_friend_by_number(friend_number)
+        if friend is None: return None
+        friend.delete_one_unsent_file(message_id)

    def pause_transfer(self, friend_number, file_number, by_friend=False):
        """
@ -115,6 +127,7 @@ class FileTransfersHandler(ToxSave):
        """
        path = self._generate_valid_path(path, from_position)
        friend = self._get_friend_by_number(friend_number)
+        if friend is None: return None
        if not inline:
            rt = ReceiveTransfer(path, self._tox, friend_number, size, file_number, from_position)
        else:
@ -145,6 +158,7 @@ class FileTransfersHandler(ToxSave):

    def send_inline(self, data, file_name, friend_number, is_resend=False):
        friend = self._get_friend_by_number(friend_number)
+        if friend is None: return None
        if friend.status is None and not is_resend:
            self._file_transfers_message_service.add_unsent_file_message(friend, file_name, data)
            return
@ -162,11 +176,12 @@ class FileTransfersHandler(ToxSave):
        :param file_id: file id of transfer
        """
        friend = self._get_friend_by_number(friend_number)
+        if friend is None: return None
        if friend.status is None and not is_resend:
            self._file_transfers_message_service.add_unsent_file_message(friend, path, None)
            return
        elif friend.status is None and is_resend:
-            print('Error in sending')
+            LOG.error('Error in sending')
            return
        st = SendTransfer(path, self._tox, friend_number, TOX_FILE_KIND['DATA'], file_id)
        file_name = os.path.basename(path)
@ -186,23 +201,27 @@ class FileTransfersHandler(ToxSave):

    def transfer_finished(self, friend_number, file_number):
        transfer = self._file_transfers[(friend_number, file_number)]
+        friend = self._get_friend_by_number(friend_number)
+        if friend is None: return None
        t = type(transfer)
        if t is ReceiveAvatar:
-            self._get_friend_by_number(friend_number).load_avatar()
+            friend.load_avatar()
        elif t is ReceiveToBuffer or (t is SendFromBuffer and self._settings['allow_inline']):  # inline image
-            print('inline')
+            LOG.debug('inline')
            inline = InlineImageMessage(transfer.data)
            message_id = self._insert_inline_before[(friend_number, file_number)]
            del self._insert_inline_before[(friend_number, file_number)]
-            index = self._get_friend_by_number(friend_number).insert_inline(message_id, inline)
+            if friend is None: return None
+            index = friend.insert_inline(message_id, inline)
            self._file_transfers_message_service.add_inline_message(transfer, index)
        del self._file_transfers[(friend_number, file_number)]

    def send_files(self, friend_number):
-        friend = self._get_friend_by_number(friend_number)
-        friend.remove_invalid_unsent_files()
-        files = friend.get_unsent_files()
        try:
+            friend = self._get_friend_by_number(friend_number)
+            if friend is None: return None
+            friend.remove_invalid_unsent_files()
+            files = friend.get_unsent_files()
            for fl in files:
                data, path = fl.data, fl.path
                if data is not None:
@ -211,6 +230,7 @@ class FileTransfersHandler(ToxSave):
                    self.send_file(path, friend_number, True)
            friend.clear_unsent_files()
            for key in self._paused_file_transfers.keys():
+                # RuntimeError: dictionary changed size during iteration
                (path, ft_friend_number, is_incoming, start_position) = self._paused_file_transfers[key]
                if not os.path.exists(path):
                    del self._paused_file_transfers[key]
@ -218,12 +238,16 @@ class FileTransfersHandler(ToxSave):
                    self.send_file(path, friend_number, True, key)
                    del self._paused_file_transfers[key]
        except Exception as ex:
-            print('Exception in file sending: ' + str(ex))
+            LOG.error('Exception in file sending: ' + str(ex))

    def friend_exit(self, friend_number):
-        for friend_num, file_num in self._file_transfers.keys():
+        # RuntimeError: dictionary changed size during iteration
+        lMayChangeDynamically = self._file_transfers.copy()
+        for friend_num, file_num in lMayChangeDynamically:
            if friend_num != friend_number:
                continue
+            if (friend_num, file_num) not in self._file_transfers:
+                continue
            ft = self._file_transfers[(friend_num, file_num)]
            if type(ft) is SendTransfer:
                self._paused_file_transfers[ft.file_id] = [ft.path, friend_num, False, -1]
@ -240,8 +264,16 @@ class FileTransfersHandler(ToxSave):
        :param friend_number: number of friend who should get new avatar
        :param avatar_path: path to avatar or None if reset
        """
-        sa = SendAvatar(avatar_path, self._tox, friend_number)
-        self._file_transfers[(friend_number, sa.file_number)] = sa
+        if (avatar_path, friend_number,) in self.lBlockAvatars:
+            return
+
+        try:
+            sa = SendAvatar(avatar_path, self._tox, friend_number)
+            self._file_transfers[(friend_number, sa.file_number)] = sa
+        except Exception as e:
+            # ArgumentError('This client is currently not connected to the friend.')
+            LOG.error(f"send_avatar {e}")
+            self.lBlockAvatars.append( (avatar_path, friend_number,) )

    def incoming_avatar(self, friend_number, file_number, size):
        """
@ -251,6 +283,7 @@ class FileTransfersHandler(ToxSave):
        :param size: size of avatar or 0 (default avatar)
        """
        friend = self._get_friend_by_number(friend_number)
+        if friend is None: return None
        ra = ReceiveAvatar(friend.get_contact_avatar_path(), self._tox, friend_number, size, file_number)
        if ra.state != FILE_TRANSFER_STATE['CANCELLED']:
            self._file_transfers[(friend_number, file_number)] = ra
@ -259,6 +292,7 @@ class FileTransfersHandler(ToxSave):
            friend.reset_avatar(self._settings['identicons'])

    def _send_avatar_to_contacts(self, _):
+        # from a callback
        friends = self._get_all_friends()
        for friend in filter(self._is_friend_online, friends):
            self.send_avatar(friend.number)
@ -269,6 +303,7 @@ class FileTransfersHandler(ToxSave):

    def _is_friend_online(self, friend_number):
        friend = self._get_friend_by_number(friend_number)
+        if friend is None: return None

        return friend.status is not None

--- a/toxygen/groups/groups_service.py
+++ b/toxygen/groups/groups_service.py
@ -1,8 +1,11 @@
+# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
+
 import common.tox_save as tox_save
 import utils.ui as util_ui
 from groups.peers_list import PeersListGenerator
 from groups.group_invite import GroupInvite
 import wrapper.toxcore_enums_and_consts as constants
+from wrapper.toxcore_enums_and_consts import *


 class GroupsService(tox_save.ToxSave):
@ -65,7 +68,17 @@ class GroupsService(tox_save.ToxSave):
    # -----------------------------------------------------------------------------------------------------------------

    def invite_friend(self, friend_number, group_number):
-        self._tox.group_invite_friend(group_number, friend_number)
+        if self._tox.friend_get_connection_status(friend_number) == TOX_CONNECTION['NONE']:
+            title = f"Error in group_invite_friend {friend_number}"
+            e = f"Friend not connected friend_number={friend_number}"
+            util_ui.message_box(title +'\n' +str(e), title)
+            return
+        
+        try:
+            self._tox.group_invite_friend(group_number, friend_number)
+        except Exception as e:
+            title = f"Error in group_invite_friend {group_number} {friend_number}"
+            util_ui.message_box(title +'\n' +str(e), title)

    def process_group_invite(self, friend_number, group_name, invite_data):
        friend = self._get_friend_by_number(friend_number)
@ -188,6 +201,7 @@ class GroupsService(tox_save.ToxSave):
    # -----------------------------------------------------------------------------------------------------------------

    def show_bans_list(self, group):
+        return
        widgets_factory = self._get_widgets_factory()
        self._screen = widgets_factory.create_groups_bans_screen(group)
        self._screen.show()
--- a/toxygen/history/database.py
+++ b/toxygen/history/database.py
@ -1,7 +1,13 @@
+# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
 from sqlite3 import connect
 import os.path
 import utils.util as util

+# LOG=util.log
+global LOG
+import logging
+LOG = logging.getLogger('app.'+__name__)
+log = lambda x: LOG.info(x)

 TIMEOUT = 11

@ -24,19 +30,30 @@ CONTACT_TYPE = {
 class Database:

    def __init__(self, path, toxes):
-        self._path, self._toxes = path, toxes
+        self._path = path
+        self._toxes = toxes
        self._name = os.path.basename(path)
-        if os.path.exists(path):
-            try:
-                with open(path, 'rb') as fin:
-                    data = fin.read()
-                if toxes.is_data_encrypted(data):
-                    data = toxes.pass_decrypt(data)
-                    with open(path, 'wb') as fout:
-                        fout.write(data)
-            except Exception as ex:
-                util.log('Db reading error: ' + str(ex))
-                os.remove(path)
+
+    def open(self):
+        path = self._path
+        toxes = self._toxes
+        if not os.path.exists(path):
+            LOG.warn('Db not found: ' +path)
+            return
+        try:
+            with open(path, 'rb') as fin:
+                data = fin.read()
+        except Exception as ex:
+            LOG.error('Db reading error: ' +path +' ' +str(ex))
+            raise
+        try:
+            if toxes.is_data_encrypted(data):
+                data = toxes.pass_decrypt(data)
+                with open(path, 'wb') as fout:
+                    fout.write(data)
+        except Exception as ex:
+            LOG.error('Db writing error: ' +path +' ' + str(ex))
+            os.remove(path)

    # -----------------------------------------------------------------------------------------------------------------
    # Public methods
@ -72,9 +89,11 @@ class Database:
                           '    message_type INTEGER'
                           ')')
            db.commit()
-        except:
-            print('Database is locked!')
+            return True
+        except Exception as e:
+            LOG("ERROR: " +self._name +' Database exception! ' +str(e))
            db.rollback()
+            return False
        finally:
            db.close()

@ -84,9 +103,11 @@ class Database:
            cursor = db.cursor()
            cursor.execute('DROP TABLE id' + tox_id + ';')
            db.commit()
-        except:
-            print('Database is locked!')
+            return True
+        except Exception as e:
+            LOG("ERROR: " +self._name +' Database exception! ' +str(e))
            db.rollback()
+            return False
        finally:
            db.close()

@ -98,9 +119,11 @@ class Database:
                               '(message, author_name, author_type, unix_time, message_type) ' +
                               'VALUES (?, ?, ?, ?, ?, ?);', messages_iter)
            db.commit()
-        except:
-            print('Database is locked!')
+            return True
+        except Exception as e:
+            LOG("ERROR: " +self._name +' Database exception! ' +str(e))
            db.rollback()
+            return False
        finally:
            db.close()

@ -111,9 +134,11 @@ class Database:
            cursor.execute('UPDATE id' + tox_id + ' SET author = 0 '
                           'WHERE id = ' + str(message_id) + ' AND author = 2;')
            db.commit()
-        except:
-            print('Database is locked!')
+            return True
+        except Exception as e:
+            LOG("ERROR: " +self._name +' Database exception! ' +str(e))
            db.rollback()
+            return False
        finally:
            db.close()

@ -123,9 +148,11 @@ class Database:
            cursor = db.cursor()
            cursor.execute('DELETE FROM id' + tox_id + ' WHERE id = ' + str(unique_id) + ';')
            db.commit()
-        except:
-            print('Database is locked!')
+            return True
+        except Exception as e:
+            LOG("ERROR: " +self._name +' Database exception! ' +str(e))
            db.rollback()
+            return False
        finally:
            db.close()

@ -135,9 +162,11 @@ class Database:
            cursor = db.cursor()
            cursor.execute('DELETE FROM id' + tox_id + ';')
            db.commit()
-        except:
-            print('Database is locked!')
+            return True
+        except Exception as e:
+            LOG("ERROR: " +self._name +' Database exception! ' +str(e))
            db.rollback()
+            return False
        finally:
            db.close()

--- a/toxygen/history/history.py
+++ b/toxygen/history/history.py
@ -1,3 +1,4 @@
+# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
 from history.history_logs_generators import *


@ -11,7 +12,7 @@ class History:
        self._messages_items_factory = messages_items_factory
        self._is_loading = False
        self._contacts_manager = None
-           
+
    def __del__(self):
        del self._db

@ -26,7 +27,8 @@ class History:
        """
        Save history to db
        """
-        if self._settings['save_db']:
+        # me a mistake? was _db not _history
+        if self._settings['save_history'] or self._settings['save_db']:
            for friend in self._contact_provider.get_all_friends():
                self._db.add_friend_to_db(friend.tox_id)
                if not self._settings['save_unsent_only']:
--- a/toxygen/images/accept.png
+++ b/toxygen/images/accept.png
--- a/toxygen/images/accept_audio.png
+++ b/toxygen/images/accept_audio.png
--- a/toxygen/images/accept_video.png
+++ b/toxygen/images/accept_video.png
--- a/toxygen/images/avatar.png
+++ b/toxygen/images/avatar.png
--- a/toxygen/images/busy.png
+++ b/toxygen/images/busy.png
--- a/toxygen/images/busy_notification.png
+++ b/toxygen/images/busy_notification.png
--- a/toxygen/images/call.png
+++ b/toxygen/images/call.png
--- a/toxygen/images/call_video.png
+++ b/toxygen/images/call_video.png
--- a/toxygen/images/decline.png
+++ b/toxygen/images/decline.png
--- a/toxygen/images/decline_call.png
+++ b/toxygen/images/decline_call.png
--- a/toxygen/images/file.png
+++ b/toxygen/images/file.png
--- a/toxygen/images/finish_call.png
+++ b/toxygen/images/finish_call.png
--- a/toxygen/images/finish_call_video.png
+++ b/toxygen/images/finish_call_video.png
--- a/toxygen/images/group.png
+++ b/toxygen/images/group.png
--- a/toxygen/images/icon.png
+++ b/toxygen/images/icon.png
--- a/toxygen/images/icon_new_messages.png
+++ b/toxygen/images/icon_new_messages.png
--- a/toxygen/images/idle.png
+++ b/toxygen/images/idle.png
--- a/toxygen/images/idle_notification.png
+++ b/toxygen/images/idle_notification.png
--- a/toxygen/images/incoming_call.png
+++ b/toxygen/images/incoming_call.png
--- a/toxygen/images/incoming_call_video.png
+++ b/toxygen/images/incoming_call_video.png
--- a/toxygen/images/menu.png
+++ b/toxygen/images/menu.png
--- a/toxygen/images/offline.png
+++ b/toxygen/images/offline.png
--- a/toxygen/images/offline_notification.png
+++ b/toxygen/images/offline_notification.png
--- a/toxygen/images/online.png
+++ b/toxygen/images/online.png
--- a/toxygen/images/online_notification.png
+++ b/toxygen/images/online_notification.png
--- a/toxygen/images/pause.png
+++ b/toxygen/images/pause.png
--- a/toxygen/images/resume.png
+++ b/toxygen/images/resume.png
--- a/toxygen/images/screenshot.png
+++ b/toxygen/images/screenshot.png
--- a/toxygen/images/search.png
+++ b/toxygen/images/search.png
--- a/toxygen/images/send.png
+++ b/toxygen/images/send.png
--- a/toxygen/images/smiley.png
+++ b/toxygen/images/smiley.png
--- a/toxygen/images/sticker.png
+++ b/toxygen/images/sticker.png
--- a/toxygen/images/typing.png
+++ b/toxygen/images/typing.png
--- a/toxygen/main.py
+++ b/toxygen/main.py
@ -1,51 +1,424 @@
+# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
+import sys
+import os
 import app
-from user_data.settings import *
-import utils.util as util
 import argparse
+import logging
+import signal

+import faulthandler
+faulthandler.enable()
+
+import warnings
+warnings.filterwarnings('ignore')
+
+import tests.support_testing as ts
+try:
+    from trepan.interfaces import server as Mserver
+    from trepan.api import debug
+except:
+    print('trepan3 TCP server NOT enabled.')
+else:
+    import signal
+    try:
+        signal.signal(signal.SIGUSR1, ts.trepan_handler)
+        print('trepan3 TCP server enabled on port 6666.')
+    except: pass
+
+from user_data.settings import *
+from user_data.settings import Settings
+from user_data import settings
+import utils.util as util
+from tests import omain
+with ts.ignoreStderr():
+    import pyaudio

 __maintainer__ = 'Ingvar'
-__version__ = '0.5.0'
+__version__ = '0.5.0+'

+from PyQt5 import QtCore
+import gevent
+if 'QtCore' in sys.modules:
+    def qt_sleep(fSec):
+        if fSec > .001:
+            QtCore.QThread.msleep(int(fSec*1000.0))
+        QtCore.QCoreApplication.processEvents()
+    sleep = qt_sleep
+elif 'gevent' in sys.modules:
+    sleep = gevent.sleep
+else:
+    import time
+    sleep = time.sleep
+
+def reset():
+    Settings.reset_auto_profile()

 def clean():
    """Removes libs folder"""
    directory = util.get_libs_directory()
    util.remove(directory)

-
-def reset():
-    Settings.reset_auto_profile()
-
-
 def print_toxygen_version():
-    print('Toxygen v' + __version__)
+    print('Toxygen ' + __version__)

+def setup_default_audio():
+    # need:
+    audio = ts.get_audio()
+    # unfinished
+    global oPYA
+    oPYA = pyaudio.PyAudio()
+    audio['output_devices'] = dict()
+    i = oPYA.get_device_count()
+    while i > 0:
+        i -= 1
+        if oPYA.get_device_info_by_index(i)['maxOutputChannels'] == 0:
+            continue
+        audio['output_devices'][i] = oPYA.get_device_info_by_index(i)['name']
+    i = oPYA.get_device_count()
+    audio['input_devices'] = dict()
+    while i > 0:
+        i -= 1
+        if oPYA.get_device_info_by_index(i)['maxInputChannels'] == 0:
+            continue
+        audio['input_devices'][i] = oPYA.get_device_info_by_index(i)['name']
+    return audio

-def main():
+def setup_video(oArgs):
+    video = setup_default_video()
+    if oArgs.video_input == '-1':
+        video['device'] = video['output_devices'][1]
+    else:
+        video['device'] = oArgs.video_input
+    return video
+
+def setup_audio(oArgs):
+    global oPYA
+    audio = setup_default_audio()
+    for k,v in audio['input_devices'].items():
+        if v == 'default' and 'input' not in audio :
+            audio['input'] = k
+        if v == getattr(oArgs, 'audio_input'):
+            audio['input'] = k
+            LOG.debug(f"Setting audio['input'] {k} = {v} {k}")
+            break
+    for k,v in audio['output_devices'].items():
+        if v == 'default' and 'output' not in audio:
+            audio['output'] = k
+        if v == getattr(oArgs, 'audio_output'):
+            audio['output'] = k
+            LOG.debug(f"Setting audio['output'] {k} = {v} " +str(k))
+            break
+
+    if hasattr(oArgs, 'mode') and getattr(oArgs, 'mode') > 1:
+        audio['enabled'] = True
+        audio['audio_enabled'] = True
+        audio['video_enabled'] = True
+    elif hasattr(oArgs, 'mode') and getattr(oArgs, 'mode') > 0:
+        audio['enabled'] = True
+        audio['audio_enabled'] = False
+        audio['video_enabled'] = True
+    else:
+        audio['enabled'] = False
+        audio['audio_enabled'] = False
+        audio['video_enabled'] = False
+
+    return audio
+
+    i = getattr(oArgs, 'audio_output')
+    if i >= 0:
+        try:
+            elt = oPYA.get_device_info_by_index(i)
+            if i >= 0 and ( 'maxOutputChannels' not in elt or \
+                            elt['maxOutputChannels'] == 0):
+                LOG.warn(f"Audio output device has no output channels:  {i}")
+                oArgs.audio_output = -1
+        except OSError as e:
+            LOG.warn("Audio output device error looking for maxOutputChannels: " \
+                      +str(i) +' ' +str(e))
+            oArgs.audio_output = -1
+
+    if getattr(oArgs, 'audio_output') < 0:
+        LOG.info("Choose an output device:")
+        i = oPYA.get_device_count()
+        while i > 0:
+            i -= 1
+            if oPYA.get_device_info_by_index(i)['maxOutputChannels'] == 0:
+                continue
+            LOG.info(str(i) \
+                  +' ' +oPYA.get_device_info_by_index(i)['name'] \
+                  +' ' +str(oPYA.get_device_info_by_index(i)['defaultSampleRate'])
+                  )
+        return 0
+
+    i = getattr(oArgs, 'audio_input')
+    if i >= 0:
+        try:
+            elt = oPYA.get_device_info_by_index(i)
+            if i >= 0 and ( 'maxInputChannels' not in elt or \
+                            elt['maxInputChannels'] == 0):
+                LOG.warn(f"Audio input device has no input channels:  {i}")
+                setattr(oArgs, 'audio_input', -1)
+        except OSError as e:
+            LOG.warn("Audio input device error looking for maxInputChannels: " \
+                      +str(i) +' ' +str(e))
+            setattr(oArgs, 'audio_input', -1)
+    if getattr(oArgs, 'audio_input') < 0:
+        LOG.info("Choose an input device:")
+        i = oPYA.get_device_count()
+        while i > 0:
+            i -= 1
+            if oPYA.get_device_info_by_index(i)['maxInputChannels'] == 0:
+                continue
+            LOG.info(str(i) \
+                     +' ' +oPYA.get_device_info_by_index(i)['name']
+                     +' ' +str(oPYA.get_device_info_by_index(i)['defaultSampleRate'])
+                  )
+        return 0
+
+def setup_default_video():
+    default_video = ["-1"]
+    default_video.extend(ts.get_video_indexes())
+    LOG.info(f"Video input choices: {default_video!r}")
+    video = {'device': -1, 'width': 320, 'height': 240, 'x': 0, 'y': 0}
+    video['output_devices'] = default_video
+    return video
+
+def main_parser():
+    import cv2
+    if not os.path.exists('/proc/sys/net/ipv6'):
+        bIpV6 = 'False'
+    else:
+        bIpV6 = 'True'
+    lIpV6Choices=[bIpV6, 'False']
+
+    audio = setup_default_audio()
+    default_video = setup_default_video()
+
+    logfile = os.path.join(os.environ.get('TMPDIR', '/tmp'), 'toxygen.log')
    parser = argparse.ArgumentParser()
    parser.add_argument('--version', action='store_true', help='Prints Toxygen version')
    parser.add_argument('--clean', action='store_true', help='Delete toxcore libs from libs folder')
    parser.add_argument('--reset', action='store_true', help='Reset default profile')
-    parser.add_argument('--uri', help='Add specified Tox ID to friends')
-    parser.add_argument('profile', nargs='?', default=None, help='Path to Tox profile')
-    args = parser.parse_args()
+    parser.add_argument('--uri', type=str, default='',
+                        help='Add specified Tox ID to friends')
+    parser.add_argument('--logfile', default=logfile,
+                        help='Filename for logging')
+    parser.add_argument('--loglevel', type=int, default=logging.INFO,
+                        help='Threshold for logging (lower is more) default: 20')
+    parser.add_argument('--proxy_host', '--proxy-host', type=str,
+                        # oddball - we want to use '' as a setting
+                        default='0.0.0.0',
+                        help='proxy host')
+    parser.add_argument('--proxy_port', '--proxy-port', default=0, type=int,
+                        help='proxy port')
+    parser.add_argument('--proxy_type', '--proxy-type', default=0, type=int,
+                        choices=[0,1,2],
+                        help='proxy type 1=https, 2=socks')
+    parser.add_argument('--tcp_port', '--tcp-port', default=0, type=int,
+                        help='tcp port')
+    parser.add_argument('--auto_accept_path', '--auto-accept-path', type=str,
+                        default=os.path.join(os.environ['HOME'], 'Downloads'),
+                        help="auto_accept_path")
+    parser.add_argument('--mode', type=int, default=2,
+                        help='Mode: 0=chat 1=chat+audio 2=chat+audio+video default: 0')
+    parser.add_argument('--font', type=str, default="Courier",
+                        help='Message font')
+    parser.add_argument('--message_font_size', type=int, default=15,
+                        help='Font size in pixels')
+    parser.add_argument('--local_discovery_enabled',type=str,
+                        default='False', choices=['True','False'],
+                        help='Look on the local lan')
+    parser.add_argument('--udp_enabled',type=str,
+                        default='True', choices=['True','False'],
+                        help='En/Disable udp')
+    parser.add_argument('--ipv6_enabled',type=str,
+                        default=bIpV6, choices=lIpV6Choices,
+                        help='En/Disable ipv6')
+    parser.add_argument('--compact_mode',type=str,
+                        default='True', choices=['True','False'],
+                        help='Compact mode')
+    parser.add_argument('--allow_inline',type=str,
+                        default='False', choices=['True','False'],
+                        help='Dis/Enable allow_inline')
+    parser.add_argument('--notifications',type=str,
+                        default='True', choices=['True','False'],
+                        help='Dis/Enable notifications')
+    parser.add_argument('--sound_notifications',type=str,
+                        default='True', choices=['True','False'],
+                        help='Enable sound notifications')
+    parser.add_argument('--calls_sound',type=str,
+                        default='True', choices=['True','False'],
+                        help='Enable calls_sound')
+    parser.add_argument('--core_logging',type=str,
+                        default='False', choices=['True','False'],
+                        help='Dis/Enable Toxcore notifications')
+    parser.add_argument('--hole_punching_enabled',type=str,
+                        default='False', choices=['True','False'],
+                        help='En/Enable hole punching')
+    parser.add_argument('--dht_announcements_enabled',type=str,
+                        default='True', choices=['True','False'],
+                        help='En/Disable DHT announcements')
+    parser.add_argument('--save_history',type=str,
+                        default='True', choices=['True','False'],
+                        help='En/Disable save history')
+    parser.add_argument('--update', type=int, default=0,
+                        choices=[0,0],
+                        help='Update program (broken)')
+    parser.add_argument('--download_nodes_list',type=str,
+                        default='False', choices=['True','False'],
+                        help='Download nodes list')
+    parser.add_argument('--nodes_json', type=str,
+                        default='')
+    parser.add_argument('--download_nodes_url', type=str,
+                        default='https://nodes.tox.chat/json')
+    parser.add_argument('--network', type=str,
+                        choices=['main', 'new', 'local', 'newlocal'],
+                        default='new')
+    parser.add_argument('--video_input', type=str,
+                        default=-1,
+                        choices=default_video['output_devices'],
+                        help="Video input device number - /dev/video?")
+    parser.add_argument('--audio_input', type=str,
+                        default=oPYA.get_default_input_device_info()['name'],
+                        choices=audio['input_devices'].values(),
+                        help="Audio input device name - aplay -L for help")
+    parser.add_argument('--audio_output', type=str,
+                        default=oPYA.get_default_output_device_info()['index'],
+                        choices=audio['output_devices'].values(),
+                        help="Audio output device number - -1 for help")
+    parser.add_argument('--theme', type=str, default='default',
+                        choices=['dark', 'default'],
+                        help='Theme - style of UI')
+    parser.add_argument('--sleep', type=str, default='time',
+                        # could expand this to tk, gtk, gevent...
+                        choices=['qt','gevent','time'],
+                        help='Sleep method - one of qt, gevent , time')
+    supported_languages = settings.supported_languages()
+    parser.add_argument('--language', type=str, default='English',
+                        choices=supported_languages,
+                        help='Languages')
+    parser.add_argument('profile', type=str, nargs='?', default=None,
+                        help='Path to Tox profile')
+    return parser

-    if args.version:
+# clean out the unchanged settings so these can override the profile
+lKEEP_SETTINGS = ['uri',
+	'profile',
+	'loglevel',
+	'logfile',
+	'mode',
+	'audio',
+        'video',
+        'ipv6_enabled',
+	'udp_enabled',
+	'local_discovery_enabled',
+        'theme',
+	'network',
+	'message_font_size',
+	'font',
+        'save_history',
+	'language',
+	'update',
+        'proxy_host',
+	'proxy_type',
+        'proxy_port',
+        'core_logging',
+        'audio',
+        'video'
+        ] # , 'nodes_json'
+lBOOLEANS = [
+        'local_discovery_enabled',
+        'udp_enabled',
+        'ipv6_enabled',
+        'compact_mode',
+        'allow_inline',
+        'notifications',
+        'sound_notifications',
+        'hole_punching_enabled',
+        'dht_announcements_enabled',
+        'save_history',
+        'download_nodes_list'
+        'core_logging',
+        ]
+
+class A(): pass
+
+global oAPP
+oAPP = None
+def main(lArgs):
+    global oPYA
+    from argparse import Namespace
+    parser = main_parser()
+    default_ns = parser.parse_args([])
+    oArgs = parser.parse_args(lArgs)
+
+    if oArgs.version:
        print_toxygen_version()
-        return
+        return 0

-    if args.clean:
+    if oArgs.clean:
        clean()
-        return
+        return 0

-    if args.reset:
+    if oArgs.reset:
        reset()
-        return
+        return 0

-    toxygen = app.App(__version__, args.profile, args.uri)
-    toxygen.main()
+    # if getattr(oArgs, 'network') in ['newlocal', 'localnew']: oArgs.network = 'new'

+    # clean out the unchanged settings so these can override the profile
+    for key in default_ns.__dict__.keys():
+        if key in lKEEP_SETTINGS: continue
+        if not hasattr(oArgs, key): continue
+        if getattr(default_ns, key) == getattr(oArgs, key):
+            delattr(oArgs, key)
+
+    for key in lBOOLEANS:
+        if not hasattr(oArgs, key): continue
+        val = getattr(oArgs, key)
+        if type(val) == bool: continue
+        if val in ['False', 'false', '0']:
+            setattr(oArgs, key, False)
+        else:
+            setattr(oArgs, key, True)
+
+    aArgs = A()
+    for key in oArgs.__dict__.keys():
+        setattr(aArgs, key, getattr(oArgs, key))
+    setattr(aArgs, 'video', setup_video(oArgs))
+    aArgs.video = setup_video(oArgs)
+    assert 'video' in aArgs.__dict__
+    
+    setattr(aArgs, 'audio', setup_audio(oArgs))
+    aArgs.audio = setup_audio(oArgs)
+    assert 'audio' in aArgs.__dict__
+    
+    oArgs = aArgs
+    toxygen = app.App(__version__, oArgs)
+    global oAPP
+    oAPP = toxygen
+    i = toxygen.iMain()
+    return i

 if __name__ == '__main__':
-    main()
+    iRet = 0
+    try:
+        iRet = main(sys.argv[1:])
+    except KeyboardInterrupt:
+        iRet = 0
+    except SystemExit as e:
+        iRet = e
+    except Exception as e:
+        import traceback
+        sys.stderr.write(f"Exception from main  {e}" \
+                         +'\n' + traceback.format_exc() +'\n' )
+        iRet = 1
+
+    # Exception ignored in: <module 'threading' from '/usr/lib/python3.9/threading.py'>
+    # File "/usr/lib/python3.9/threading.py", line 1428, in _shutdown
+    # lock.acquire()
+    # gevent.exceptions.LoopExit as e:
+    # This operation would block forever
+    sys.stderr.write('Calling sys.exit' +'\n')
+    with ts.ignoreStdout():
+        sys.exit(iRet)
--- a/toxygen/messenger/messages.py
+++ b/toxygen/messenger/messages.py
@ -38,8 +38,8 @@ class Message:

    MESSAGE_ID = 0

-    def __init__(self, message_type, author, time):
-        self._time = time
+    def __init__(self, message_type, author, iTime):
+        self._time = iTime
        self._type = message_type
        self._author = author
        self._widget = None
@ -66,6 +66,7 @@ class Message:
    message_id = property(get_message_id)

    def get_widget(self, *args):
+        # FixMe
        self._widget = self._create_widget(*args)

        return self._widget
@ -81,6 +82,7 @@ class Message:
            self._widget.mark_as_sent()

    def _create_widget(self, *args):
+        # overridden
        pass

    @staticmethod
@ -95,8 +97,8 @@ class TextMessage(Message):
    Plain text or action message
    """

-    def __init__(self, message, owner, time, message_type, message_id=0):
-        super().__init__(message_type, owner, time)
+    def __init__(self, message, owner, iTime, message_type, message_id=0):
+        super().__init__(message_type, owner, iTime)
        self._message = message
        self._id = message_id

@ -119,8 +121,8 @@ class TextMessage(Message):

 class OutgoingTextMessage(TextMessage):

-    def __init__(self, message, owner, time, message_type, tox_message_id=0):
-        super().__init__(message, owner, time, message_type)
+    def __init__(self, message, owner, iTime, message_type, tox_message_id=0):
+        super().__init__(message, owner, iTime, message_type)
        self._tox_message_id = tox_message_id

    def get_tox_message_id(self):
@ -134,8 +136,8 @@ class OutgoingTextMessage(TextMessage):

 class GroupChatMessage(TextMessage):

-    def __init__(self, id, message, owner, time, message_type, name):
-        super().__init__(id, message, owner, time, message_type)
+    def __init__(self, id, message, owner, iTime, message_type, name):
+        super().__init__(id, message, owner, iTime, message_type)
        self._user_name = name


@ -144,8 +146,8 @@ class TransferMessage(Message):
    Message with info about file transfer
    """

-    def __init__(self, author, time, state, size, file_name, friend_number, file_number):
-        super().__init__(MESSAGE_TYPE['FILE_TRANSFER'], author, time)
+    def __init__(self, author, iTime, state, size, file_name, friend_number, file_number):
+        super().__init__(MESSAGE_TYPE['FILE_TRANSFER'], author, iTime)
        self._state = state
        self._size = size
        self._file_name = file_name
@ -185,10 +187,10 @@ class TransferMessage(Message):

    file_name = property(get_file_name)

-    def transfer_updated(self, state, percentage, time):
+    def transfer_updated(self, state, percentage, iTime):
        self._state = state
        if self._widget is not None:
-            self._widget.update_transfer_state(state, percentage, time)
+            self._widget.update_transfer_state(state, percentage, iTime)

    def _create_widget(self, *args):
        return FileTransferItem(self, *args)
@ -196,9 +198,9 @@ class TransferMessage(Message):

 class UnsentFileMessage(TransferMessage):

-    def __init__(self, path, data, time, author, size, friend_number):
+    def __init__(self, path, data, iTime, author, size, friend_number):
        file_name = os.path.basename(path)
-        super().__init__(author, time, FILE_TRANSFER_STATE['UNSENT'], size, file_name, friend_number, -1)
+        super().__init__(author, iTime, FILE_TRANSFER_STATE['UNSENT'], size, file_name, friend_number, -1)
        self._data, self._path = data, path

    def get_data(self):
@ -235,5 +237,5 @@ class InlineImageMessage(Message):

 class InfoMessage(TextMessage):

-    def __init__(self, message, time):
-        super().__init__(message, None, time, MESSAGE_TYPE['INFO_MESSAGE'])
+    def __init__(self, message, iTime):
+        super().__init__(message, None, iTime, MESSAGE_TYPE['INFO_MESSAGE'])
--- a/toxygen/messenger/messenger.py
+++ b/toxygen/messenger/messenger.py
@ -1,6 +1,12 @@
+# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
 import common.tox_save as tox_save
 from messenger.messages import *
+from tests.support_testing import assert_main_thread

+global LOG
+import logging
+LOG = logging.getLogger('app.'+__name__)
+log = lambda x: LOG.info(x)

 class Messenger(tox_save.ToxSave):

@ -76,6 +82,7 @@ class Messenger(tox_save.ToxSave):

        if not text or friend_number < 0:
            return
+        assert_main_thread()

        friend = self._get_friend_by_number(friend_number)
        messages = self._split_message(text.encode('utf-8'))
@ -106,7 +113,7 @@ class Messenger(tox_save.ToxSave):
                message_id = self._tox.friend_send_message(friend_number, message.type, message.text.encode('utf-8'))
                message.tox_message_id = message_id
        except Exception as ex:
-            util.log('Sending pending messages failed with ' + str(ex))
+            LOG.warn('Sending pending messages failed with ' + str(ex))

    # -----------------------------------------------------------------------------------------------------------------
    # Messaging - groups
@ -142,6 +149,9 @@ class Messenger(tox_save.ToxSave):
        t = util.get_unix_time()
        group = self._get_group_by_number(group_number)
        peer = group.get_peer_by_id(peer_id)
+        if not peer:
+            LOG.warn('FixMe new_group_message group.get_peer_by_id ' + str(peer_id))
+            return
        text_message = TextMessage(message, MessageAuthor(peer.name, MESSAGE_AUTHOR['GC_PEER']), t, message_type)
        self._add_message(text_message, group)

@ -158,6 +168,7 @@ class Messenger(tox_save.ToxSave):

        if not text or group_number < 0 or peer_id < 0:
            return
+        assert_main_thread()

        group_peer_contact = self._contacts_manager.get_or_create_group_peer_contact(group_number, peer_id)
        group = self._get_group_by_number(group_number)
@ -182,6 +193,9 @@ class Messenger(tox_save.ToxSave):
        t = util.get_unix_time()
        group = self._get_group_by_number(group_number)
        peer = group.get_peer_by_id(peer_id)
+        if not peer:
+            LOG.warn('FixMe new_group_private_message group.get_peer_by_id ' + str(peer_id))
+            return
        text_message = TextMessage(message, MessageAuthor(peer.name, MESSAGE_AUTHOR['GC_PEER']),
                                   t, message_type)
        group_peer_contact = self._contacts_manager.get_or_create_group_peer_contact(group_number, peer_id)
@ -291,10 +305,12 @@ class Messenger(tox_save.ToxSave):
            self._create_info_message_item(message)

    def _create_info_message_item(self, message):
+        assert_main_thread()
        self._items_factory.create_message_item(message)
        self._screen.messages.scrollToBottom()

    def _add_message(self, text_message, contact):
+        assert_main_thread()
        if self._contacts_manager.is_contact_active(contact):  # add message to list
            self._create_message_item(text_message)
            self._screen.messages.scrollToBottom()
--- a/toxygen/middleware/callbacks.py
+++ b/toxygen/middleware/callbacks.py
@ -1,15 +1,40 @@
+# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
+import os
+import threading
 from PyQt5 import QtGui
 from wrapper.toxcore_enums_and_consts import *
 from wrapper.toxav_enums import *
 from wrapper.tox import bin_to_string
 import utils.ui as util_ui
 import utils.util as util
-import cv2
-import numpy as np
 from middleware.threads import invoke_in_main_thread, execute
 from notifications.tray import tray_notification
 from notifications.sound import *
-import threading
+from datetime import datetime
+
+iMAX_INT32 = 4294967295
+def LOG_ERROR(l): print('ERRORc: '+l)
+def LOG_WARN(l): print('WARNc: '+l)
+def LOG_INFO(l): print('INFOc: '+l)
+def LOG_DEBUG(l): print('DEBUGc: '+l)
+def LOG_TRACE(l): pass # print('TRACE+ '+l)
+
+global aTIMES
+aTIMES=dict()
+def bTooSoon(key, sSlot, fSec=10.0):
+    # rate limiting
+    global aTIMES
+    if sSlot not in aTIMES:
+        aTIMES[sSlot] = dict()
+    OTIME = aTIMES[sSlot]
+    now = datetime.now()
+    if key not in OTIME:
+        OTIME[key] = now
+        return False
+    delta = now - OTIME[key]
+    OTIME[key] = now
+    if delta.total_seconds() < fSec: return True
+    return False

 # TODO: refactoring. Use contact provider instead of manager

@ -17,15 +42,48 @@ import threading
 # Callbacks - current user
 # -----------------------------------------------------------------------------------------------------------------

+global iBYTES
+iBYTES=0
+def sProcBytes(sFile=None):
+    global iBYTES
+    if sFile is None:
+        pid = os.getpid()
+        sFile = f"/proc/{pid}/net/softnet_stat"
+    if os.path.exists(sFile):
+        total = 0
+        with open(sFile, 'r') as iFd:
+            for elt in iFd.readlines():
+                i = elt.find(' ')
+                p = int(elt[:i], 16)
+                total = total + p
+        if iBYTES == 0:
+            iBYTES = total
+            return ''
+        diff = total - iBYTES
+        s = f' {diff // 1024} Kbytes'
+    else:
+        s = ''
+    return s

 def self_connection_status(tox, profile):
    """
    Current user changed connection status (offline, TCP, UDP)
    """
+    pid = os.getpid()
+    sFile = '/proc/'+str(pid) +'/net/softnet_stat'
+    sSlot = 'self connection status'
    def wrapped(tox_link, connection, user_data):
-        print('Connection status: ', str(connection))
-        status = tox.self_get_status() if connection != TOX_CONNECTION['NONE'] else None
-        invoke_in_main_thread(profile.set_status, status)
+        key = f"connection {connection}"
+        if bTooSoon(key, sSlot, 10): return
+        s = sProcBytes(sFile)
+        try:
+            status = tox.self_get_status() if connection != TOX_CONNECTION['NONE'] else None
+            if status:
+                LOG_DEBUG(f"self_connection_status: connection={connection} status={status}" +' '+s)
+            invoke_in_main_thread(profile.set_status, status)
+        except Exception as e:
+            LOG_ERROR(f"self_connection_status: {e}")
+            pass

    return wrapped

@ -36,13 +94,17 @@ def self_connection_status(tox, profile):


 def friend_status(contacts_manager, file_transfer_handler, profile, settings):
+    sSlot = 'friend status'
    def wrapped(tox, friend_number, new_status, user_data):
        """
        Check friend's status (none, busy, away)
        """
-        print("Friend's #{} status changed!".format(friend_number))
+        LOG_DEBUG(f"Friend's #{friend_number} status changed")
+        key = f"friend_number {friend_number}"
+        if bTooSoon(key, sSlot, 10): return
        friend = contacts_manager.get_friend_by_number(friend_number)
-        if friend.status is None and settings['sound_notifications'] and profile.status != TOX_USER_STATUS['BUSY']:
+        if friend.status is None and settings['sound_notifications'] and \
+          profile.status != TOX_USER_STATUS['BUSY']:
            sound_notification(SOUND_NOTIFICATION['FRIEND_CONNECTION_STATUS'])
        invoke_in_main_thread(friend.set_status, new_status)

@ -61,7 +123,7 @@ def friend_connection_status(contacts_manager, profile, settings, plugin_loader,
        """
        Check friend's connection status (offline, udp, tcp)
        """
-        print("Friend #{} connection status: {}".format(friend_number, new_status))
+        LOG_DEBUG(f"Friend #{friend_number} connection status: {new_status}")
        friend = contacts_manager.get_friend_by_number(friend_number)
        if new_status == TOX_CONNECTION['NONE']:
            invoke_in_main_thread(friend.set_status, None)
@ -79,11 +141,14 @@ def friend_connection_status(contacts_manager, profile, settings, plugin_loader,


 def friend_name(contacts_provider, messenger):
+    sSlot = 'friend_name'
    def wrapped(tox, friend_number, name, size, user_data):
        """
        Friend changed his name
        """
-        print('New name friend #' + str(friend_number))
+        key = f"friend_number={friend_number}"
+        if bTooSoon(key, sSlot, 60): return
+        LOG_DEBUG(f'New name friend #' + str(friend_number))
        friend = contacts_provider.get_friend_by_number(friend_number)
        old_name = friend.name
        new_name = str(name, 'utf-8')
@ -92,16 +157,19 @@ def friend_name(contacts_provider, messenger):

    return wrapped

-
 def friend_status_message(contacts_manager, messenger):
+    sSlot = 'status_message'
    def wrapped(tox, friend_number, status_message, size, user_data):
        """
        :return: function for callback friend_status_message. It updates friend's status message
        and calls window repaint
        """
        friend = contacts_manager.get_friend_by_number(friend_number)
+        key = f"friend_number={friend_number}"
+        if bTooSoon(key, sSlot, 10): return
+                
        invoke_in_main_thread(friend.set_status_message, str(status_message, 'utf-8'))
-        print('User #{} has new status message'.format(friend_number))
+        LOG_DEBUG(f'User #{friend_number} has new status message')
        invoke_in_main_thread(messenger.send_messages, friend_number)

    return wrapped
@ -112,6 +180,7 @@ def friend_message(messenger, contacts_manager, profile, settings, window, tray)
        """
        New message from friend
        """
+        LOG_DEBUG(f"friend_message #{friend_number}")
        message = str(message, 'utf-8')
        invoke_in_main_thread(messenger.new_message, friend_number, message_type, message)
        if not window.isActiveWindow():
@ -121,7 +190,8 @@ def friend_message(messenger, contacts_manager, profile, settings, window, tray)
            if settings['sound_notifications'] and profile.status != TOX_USER_STATUS['BUSY']:
                sound_notification(SOUND_NOTIFICATION['MESSAGE'])
            icon = os.path.join(util.get_images_directory(), 'icon_new_messages.png')
-            invoke_in_main_thread(tray.setIcon, QtGui.QIcon(icon))
+            if tray:
+                invoke_in_main_thread(tray.setIcon, QtGui.QIcon(icon))

    return wrapped

@ -131,7 +201,7 @@ def friend_request(contacts_manager):
        """
        Called when user get new friend request
        """
-        print('Friend request')
+        LOG_DEBUG(f'Friend request')
        key = ''.join(chr(x) for x in public_key[:TOX_PUBLIC_KEY_SIZE])
        tox_id = bin_to_string(key, TOX_PUBLIC_KEY_SIZE)
        invoke_in_main_thread(contacts_manager.process_friend_request, tox_id, str(message, 'utf-8'))
@ -140,9 +210,12 @@ def friend_request(contacts_manager):


 def friend_typing(messenger):
+    sSlot = "friend_typing"
    def wrapped(tox, friend_number, typing, user_data):
+        key = f"friend_number={friend_number}"
+        if bTooSoon(key, sSlot, 10): return
+        LOG_DEBUG(f"friend_typing #{friend_number}")
        invoke_in_main_thread(messenger.friend_typing, friend_number, typing)
-
    return wrapped


@ -164,7 +237,7 @@ def tox_file_recv(window, tray, profile, file_transfer_handler, contacts_manager
    """
    def wrapped(tox, friend_number, file_number, file_type, size, file_name, file_name_size, user_data):
        if file_type == TOX_FILE_KIND['DATA']:
-            print('File')
+            LOG_DEBUG(f'file_transfer_handler File')
            try:
                file_name = str(file_name[:file_name_size], 'utf-8')
            except:
@ -184,7 +257,7 @@ def tox_file_recv(window, tray, profile, file_transfer_handler, contacts_manager
                icon = util.join_path(util.get_images_directory(), 'icon_new_messages.png')
                invoke_in_main_thread(tray.setIcon, QtGui.QIcon(icon))
        else:  # avatar
-            print('Avatar')
+            LOG_DEBUG(f'file_transfer_handler Avatar')
            invoke_in_main_thread(file_transfer_handler.incoming_avatar,
                                  friend_number,
                                  file_number,
@ -259,15 +332,17 @@ def lossy_packet(plugin_loader):
 # -----------------------------------------------------------------------------------------------------------------

 def call_state(calls_manager):
-    def wrapped(toxav, friend_number, mask, user_data):
+    def wrapped(iToxav, friend_number, mask, user_data):
        """
        New call state
        """
-        print(friend_number, mask)
+        LOG_DEBUG(f"call_state #{friend_number}")
        if mask == TOXAV_FRIEND_CALL_STATE['FINISHED'] or mask == TOXAV_FRIEND_CALL_STATE['ERROR']:
            invoke_in_main_thread(calls_manager.stop_call, friend_number, True)
        else:
-            calls_manager.toxav_call_state_cb(friend_number, mask)
+            # guessing was calls_manager.
+            #? incoming_call
+            calls_manager._call.toxav_call_state_cb(friend_number, mask)

    return wrapped

@ -277,7 +352,7 @@ def call(calls_manager):
        """
        Incoming call from friend
        """
-        print(friend_number, audio, video)
+        LOG_DEBUG(f"Incoming call from {friend_number} {audio} {video}")
        invoke_in_main_thread(calls_manager.incoming_call, audio, video, friend_number)

    return wrapped
@ -288,7 +363,9 @@ def callback_audio(calls_manager):
        """
        New audio chunk
        """
-        calls_manager.call.audio_chunk(
+        LOG_DEBUG(f"callback_audio #{friend_number}")
+        # guessing was .call
+        calls_manager._call.audio_chunk(
            bytes(samples[:audio_samples_per_channel * 2 * audio_channels_count]),
            audio_channels_count,
            rate)
@ -324,6 +401,9 @@ def video_receive_frame(toxav, friend_number, width, height, y, u, v, ystride, u

    It can be created from initial y, u, v using slices
    """
+    LOG_DEBUG(f"video_receive_frame from {friend_number}")
+    import cv2
+    import numpy as np
    try:
        y_size = abs(max(width, abs(ystride)))
        u_size = abs(max(width // 2, abs(ustride)))
@ -349,7 +429,8 @@ def video_receive_frame(toxav, friend_number, width, height, y, u, v, ystride, u

        invoke_in_main_thread(cv2.imshow, str(friend_number), frame)
    except Exception as ex:
-        print(ex)
+        LOG_ERROR(f"video_receive_frame  {ex} #{friend_number}")
+        pass

 # -----------------------------------------------------------------------------------------------------------------
 # Callbacks - groups
@ -361,18 +442,23 @@ def group_message(window, tray, tox, messenger, settings, profile):
    New message in group chat
    """
    def wrapped(tox_link, group_number, peer_id, message_type, message, length, user_data):
+        LOG_DEBUG(f"group_message #{group_number}")
        message = str(message[:length], 'utf-8')
        invoke_in_main_thread(messenger.new_group_message, group_number, message_type, message, peer_id)
        if window.isActiveWindow():
            return
        bl = settings['notify_all_gc'] or profile.name in message
        name = tox.group_peer_get_name(group_number, peer_id)
-        if settings['notifications'] and profile.status != TOX_USER_STATUS['BUSY'] and (not settings.locked) and bl:
-            invoke_in_main_thread(tray_notification, name, message, tray, window)
-        if settings['sound_notifications'] and bl and profile.status != TOX_USER_STATUS['BUSY']:
+        if settings['sound_notifications'] and bl and \
+           profile.status != TOX_USER_STATUS['BUSY']:
            sound_notification(SOUND_NOTIFICATION['MESSAGE'])
-        icon = util.join_path(util.get_images_directory(), 'icon_new_messages.png')
-        invoke_in_main_thread(tray.setIcon, QtGui.QIcon(icon))
+        if False and settings['tray_icon']:
+            if settings['notifications'] and \
+               profile.status != TOX_USER_STATUS['BUSY'] and \
+                   (not settings.locked) and bl:
+                invoke_in_main_thread(tray_notification, name, message, tray, window)
+            icon = util.join_path(util.get_images_directory(), 'icon_new_messages.png')
+            invoke_in_main_thread(tray.setIcon, QtGui.QIcon(icon))

    return wrapped

@ -382,6 +468,7 @@ def group_private_message(window, tray, tox, messenger, settings, profile):
    New private message in group chat
    """
    def wrapped(tox_link, group_number, peer_id, message_type, message, length, user_data):
+        LOG_DEBUG(f"group_private_message #{group_number}")
        message = str(message[:length], 'utf-8')
        invoke_in_main_thread(messenger.new_group_private_message, group_number, message_type, message, peer_id)
        if window.isActiveWindow():
@ -400,13 +487,15 @@ def group_private_message(window, tray, tox, messenger, settings, profile):

 def group_invite(window, settings, tray, profile, groups_service, contacts_provider):
    def wrapped(tox, friend_number, invite_data, length, group_name, group_name_length, user_data):
+        LOG_DEBUG(f"group_invite friend_number={friend_number}")
        group_name = str(bytes(group_name[:group_name_length]), 'utf-8')
        invoke_in_main_thread(groups_service.process_group_invite,
                              friend_number, group_name,
                              bytes(invite_data[:length]))
        if window.isActiveWindow():
            return
-        if settings['notifications'] and profile.status != TOX_USER_STATUS['BUSY'] and not settings.locked:
+        if settings['notifications'] and \
+           profile.status != TOX_USER_STATUS['BUSY'] and not settings.locked:
            friend = contacts_provider.get_friend_by_number(friend_number)
            title = util_ui.tr('New invite to group chat')
            text = util_ui.tr('{} invites you to group "{}"').format(friend.name, group_name)
@ -419,6 +508,7 @@ def group_invite(window, settings, tray, profile, groups_service, contacts_provi

 def group_self_join(contacts_provider, contacts_manager, groups_service):
    def wrapped(tox, group_number, user_data):
+        LOG_DEBUG(f"group_self_join #{group_number}")
        group = contacts_provider.get_group_by_number(group_number)
        invoke_in_main_thread(group.set_status, TOX_USER_STATUS['NONE'])
        invoke_in_main_thread(groups_service.update_group_info, group)
@ -428,8 +518,15 @@ def group_self_join(contacts_provider, contacts_manager, groups_service):


 def group_peer_join(contacts_provider, groups_service):
+    sSlot = "group_peer_join"
    def wrapped(tox, group_number, peer_id, user_data):
+        key = f"group_peer_join #{group_number} peer_id={peer_id}"
+        if bTooSoon(key, sSlot, 20): return
        group = contacts_provider.get_group_by_number(group_number)
+        if peer_id > group._peers_limit:
+            LOG_ERROR(key +f" {peer_id} > {group._peers_limit}")
+            return
+        LOG_DEBUG(key)
        group.add_peer(peer_id)
        invoke_in_main_thread(groups_service.generate_peers_list)
        invoke_in_main_thread(groups_service.update_group_info, group)
@ -439,28 +536,41 @@ def group_peer_join(contacts_provider, groups_service):

 def group_peer_exit(contacts_provider, groups_service, contacts_manager):
    def wrapped(tox, group_number, peer_id, message, length, user_data):
+        LOG_DEBUG(f"group_peer_exit #{group_number} peer_id={peer_id}")
        group = contacts_provider.get_group_by_number(group_number)
        group.remove_peer(peer_id)
        invoke_in_main_thread(groups_service.generate_peers_list)

    return wrapped

-
 def group_peer_name(contacts_provider, groups_service):
    def wrapped(tox, group_number, peer_id, name, length, user_data):
+        LOG_DEBUG(f"group_peer_name #{group_number} peer_id={peer_id}")
        group = contacts_provider.get_group_by_number(group_number)
        peer = group.get_peer_by_id(peer_id)
-        peer.name = str(name[:length], 'utf-8')
-        invoke_in_main_thread(groups_service.generate_peers_list)
+        if peer:
+            peer.name = str(name[:length], 'utf-8')
+            invoke_in_main_thread(groups_service.generate_peers_list)
+        else:
+            # FixMe: known signal to revalidate roles...
+            #_peers = [(p._name, p._peer_id) for p in group.get_peers()]
+            LOG_TRACE(f"remove_peer group {group!r} has no peer_id={peer_id} in _peers!r")
+            return

    return wrapped


 def group_peer_status(contacts_provider, groups_service):
    def wrapped(tox, group_number, peer_id, peer_status, user_data):
+        LOG_DEBUG(f"group_peer_status #{group_number} peer_id={peer_id}")
        group = contacts_provider.get_group_by_number(group_number)
        peer = group.get_peer_by_id(peer_id)
-        peer.status = peer_status
+        if peer:
+            peer.status = peer_status
+        else:
+            # _peers = [(p._name, p._peer_id) for p in group.get_peers()]
+            LOG_TRACE(f"remove_peer group {group!r} has no peer_id={peer_id} in _peers!r")
+        # TODO: add info message
        invoke_in_main_thread(groups_service.generate_peers_list)

    return wrapped
@ -468,32 +578,62 @@ def group_peer_status(contacts_provider, groups_service):

 def group_topic(contacts_provider):
    def wrapped(tox, group_number, peer_id, topic, length, user_data):
+        LOG_DEBUG(f"group_topic #{group_number} peer_id={peer_id}")
        group = contacts_provider.get_group_by_number(group_number)
-        topic = str(topic[:length], 'utf-8')
-        invoke_in_main_thread(group.set_status_message, topic)
+        if group:
+            topic = str(topic[:length], 'utf-8')
+            invoke_in_main_thread(group.set_status_message, topic)
+        else:
+            _peers = [(p._name, p._peer_id) for p in group.get_peers()]
+            LOG_WARN(f"group_topic {group!r} has no peer_id={peer_id} in {_peers!r}")
+        # TODO: add info message

    return wrapped

-
 def group_moderation(groups_service, contacts_provider, contacts_manager, messenger):
-
    def update_peer_role(group, mod_peer_id, peer_id, new_role):
        peer = group.get_peer_by_id(peer_id)
-        peer.role = new_role
+        if peer:
+            peer.role = new_role
+            # TODO: add info message
+        else:
+            # FixMe: known signal to revalidate roles...
+            # _peers = [(p._name, p._peer_id) for p in group.get_peers()]
+            LOG_TRACE(f"update_peer_role group {group!r} has no peer_id={peer_id} in _peers!r")
        # TODO: add info message

    def remove_peer(group, mod_peer_id, peer_id, is_ban):
-        contacts_manager.remove_group_peer_by_id(group, peer_id)
-        group.remove_peer(peer_id)
+        peer = group.get_peer_by_id(peer_id)
+        if peer:
+            contacts_manager.remove_group_peer_by_id(group, peer_id)
+            group.remove_peer(peer_id)
+        else:
+            # FixMe: known signal to revalidate roles...
+            #_peers = [(p._name, p._peer_id) for p in group.get_peers()]
+            LOG_TRACE(f"remove_peer group {group!r} has no peer_id={peer_id} in _peers!r")
        # TODO: add info message

+    # source_peer_number, target_peer_number,
    def wrapped(tox, group_number, mod_peer_id, peer_id, event_type, user_data):
+        if mod_peer_id == iMAX_INT32 or peer_id == iMAX_INT32:
+            # FixMe: known signal to revalidate roles...
+            return
+        LOG_DEBUG(f"group_moderation #{group_number} mod_id={mod_peer_id} peer_id={peer_id} event_type={event_type}")
        group = contacts_provider.get_group_by_number(group_number)
+        mod_peer = group.get_peer_by_id(mod_peer_id)
+        if not mod_peer:
+            #_peers = [(p._name, p._peer_id) for p in group.get_peers()]
+            LOG_TRACE(f"remove_peer group {group!r} has no mod_peer_id={mod_peer_id} in _peers!r")
+            return
+        peer = group.get_peer_by_id(peer_id)
+        if not peer:
+            # FixMe: known signal to revalidate roles...
+            #_peers = [(p._name, p._peer_id) for p in group.get_peers()]
+            LOG_TRACE(f"remove_peer group {group!r} has no peer_id={peer_id} in _peers!r")
+            return

        if event_type == TOX_GROUP_MOD_EVENT['KICK']:
            remove_peer(group, mod_peer_id, peer_id, False)
-        elif event_type == TOX_GROUP_MOD_EVENT['BAN']:
-            remove_peer(group, mod_peer_id, peer_id, True)
        elif event_type == TOX_GROUP_MOD_EVENT['OBSERVER']:
            update_peer_role(group, mod_peer_id, peer_id, TOX_GROUP_ROLE['OBSERVER'])
        elif event_type == TOX_GROUP_MOD_EVENT['USER']:
@ -509,6 +649,7 @@ def group_moderation(groups_service, contacts_provider, contacts_manager, messen
 def group_password(contacts_provider):

    def wrapped(tox_link, group_number, password, length, user_data):
+        LOG_DEBUG(f"group_password #{group_number}")
        password = str(password[:length], 'utf-8')
        group = contacts_provider.get_group_by_number(group_number)
        group.password = password
@ -519,6 +660,7 @@ def group_password(contacts_provider):
 def group_peer_limit(contacts_provider):

    def wrapped(tox_link, group_number, peer_limit, user_data):
+        LOG_DEBUG(f"group_peer_limit #{group_number}")
        group = contacts_provider.get_group_by_number(group_number)
        group.peer_limit = peer_limit

@ -528,6 +670,7 @@ def group_peer_limit(contacts_provider):
 def group_privacy_state(contacts_provider):

    def wrapped(tox_link, group_number, privacy_state, user_data):
+        LOG_DEBUG(f"group_privacy_state #{group_number}")
        group = contacts_provider.get_group_by_number(group_number)
        group.is_private = privacy_state == TOX_GROUP_PRIVACY_STATE['PRIVATE']

@ -540,7 +683,7 @@ def group_privacy_state(contacts_provider):

 def init_callbacks(tox, profile, settings, plugin_loader, contacts_manager,
                   calls_manager, file_transfer_handler, main_window, tray, messenger, groups_service,
-                   contacts_provider):
+                   contacts_provider, ms=None):
    """
    Initialization of all callbacks.
    :param tox: Tox instance
@ -557,6 +700,10 @@ def init_callbacks(tox, profile, settings, plugin_loader, contacts_manager,
    :param groups_service: GroupsService instance
    :param contacts_provider: ContactsProvider instance
    """
+    global LOG
+    import logging
+    LOG = logging.getLogger('app.'+__name__)
+
    # self callbacks
    tox.callback_self_connection_status(self_connection_status(tox, profile))

--- a/toxygen/middleware/threads.py
+++ b/toxygen/middleware/threads.py
@ -1,10 +1,40 @@
-from bootstrap.bootstrap import *
+# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
+import sys
 import threading
 import queue
-from utils import util
-import time
 from PyQt5 import QtCore

+from bootstrap.bootstrap import *
+from bootstrap.bootstrap import download_nodes_list
+import tests.support_testing as ts
+from utils import util
+
+if 'QtCore' in sys.modules:
+    def qt_sleep(fSec):
+        if fSec > .001:
+            QtCore.QThread.msleep(int(fSec*1000.0))
+        QtCore.QCoreApplication.processEvents()
+    sleep = qt_sleep
+elif 'gevent' in sys.modules:
+    import gevent
+    sleep = gevent.sleep
+else:
+    import time
+    sleep = time.sleep
+import time
+sleep = time.sleep
+
+# LOG=util.log
+global LOG
+import logging
+LOG = logging.getLogger('app.'+'threads')
+# log = lambda x: LOG.info(x)
+
+def LOG_ERROR(l): print('ERRORt: '+l)
+def LOG_WARN(l): print('WARNt: '+l)
+def LOG_INFO(l): print('INFOt: '+l)
+def LOG_DEBUG(l): print('DEBUGt: '+l)
+def LOG_TRACE(l): pass # print('TRACE+ '+l)

 # -----------------------------------------------------------------------------------------------------------------
 # Base threads
@ -12,25 +42,45 @@ from PyQt5 import QtCore

 class BaseThread(threading.Thread):

-    def __init__(self):
-        super().__init__()
+    def __init__(self, name=None, target=None):
        self._stop_thread = False
+        if name:
+            super().__init__(name=name, target=target)
+        else:
+            super().__init__(target=target)

-    def stop_thread(self):
+    def stop_thread(self, timeout=-1):
        self._stop_thread = True
-        self.join()
-
+        if timeout < 0:
+            timeout = ts.iTHREAD_TIMEOUT
+        i = 0
+        while i < ts.iTHREAD_JOINS:
+            self.join(timeout)
+            if not self.is_alive(): break
+            i = i + 1
+        else:
+            LOG_WARN(f"BaseThread {self.name} BLOCKED")

 class BaseQThread(QtCore.QThread):

-    def __init__(self):
+    def __init__(self, name=None):
+        # NO name=name
        super().__init__()
        self._stop_thread = False
+        self.name = str(id(self))

-    def stop_thread(self):
+    def stop_thread(self, timeout=-1):
        self._stop_thread = True
-        self.wait()
-
+        if timeout < 0:
+            timeout = ts.iTHREAD_TIMEOUT
+        i = 0
+        while i < ts.iTHREAD_JOINS:
+            self.wait(timeout)
+            if not self.isRunning(): break
+            i = i + 1
+            sleep(ts.iTHREAD_TIMEOUT)
+        else:
+            LOG_WARN(f"BaseQThread {self.name} BLOCKED")

 # -----------------------------------------------------------------------------------------------------------------
 # Toxcore threads
@ -38,45 +88,51 @@ class BaseQThread(QtCore.QThread):

 class InitThread(BaseThread):

-    def __init__(self, tox, plugin_loader, settings, is_first_start):
-        super().__init__()
-        self._tox, self._plugin_loader, self._settings = tox, plugin_loader, settings
+    def __init__(self, tox, plugin_loader, settings, app, is_first_start):
+        super().__init__(name='InitThread')
+        self._tox = tox
+        self._plugin_loader = plugin_loader
+        self._settings = settings
+        self._app = app
        self._is_first_start = is_first_start

    def run(self):
-        if self._is_first_start:
-            # download list of nodes if needed
-            download_nodes_list(self._settings)
-            # start plugins
-            self._plugin_loader.load()
-
-        # bootstrap
+        LOG_DEBUG('InitThread run: ')
        try:
-            for data in generate_nodes():
-                if self._stop_thread:
-                    return
-                self._tox.bootstrap(*data)
-                self._tox.add_tcp_relay(*data)
-        except:
-            pass
+            if self._is_first_start:
+                if self._settings['download_nodes_list']:
+                    LOG_INFO('downloading list of nodes')
+                    download_nodes_list(self._settings, oArgs=self._app._args)

-        for _ in range(10):
-            if self._stop_thread:
-                return
-            time.sleep(1)
-
-        while not self._tox.self_get_connection_status():
-            try:
-                for data in generate_nodes(None):
+            if False:
+                lNodes = ts.generate_nodes()
+                LOG_INFO(f"bootstrapping {len(lNodes)!s} nodes")
+                for data in lNodes:
                    if self._stop_thread:
                        return
                    self._tox.bootstrap(*data)
                    self._tox.add_tcp_relay(*data)
-            except:
-                pass
-            finally:
-                time.sleep(5)
+            else:
+                LOG_INFO(f"calling test_net nodes")
+                threading.Timer(1.0,
+                                self._app.test_net,
+                                args=list(),
+                                kwargs=dict(lElts=None, oThread=self, iMax=2)
+                                ).start()
+                
+            if self._is_first_start:
+                LOG_INFO('starting plugins')
+                self._plugin_loader.load()
+                
+        except Exception as e:
+            LOG_DEBUG(f"InitThread run: ERROR {e}")
+            pass

+        for _ in range(ts.iTHREAD_JOINS):
+            if self._stop_thread:
+                return
+            sleep(ts.iTHREAD_SLEEP)
+        return

 class ToxIterateThread(BaseQThread):

@ -85,21 +141,27 @@ class ToxIterateThread(BaseQThread):
        self._tox = tox

    def run(self):
+        LOG_DEBUG('ToxIterateThread run: ')
        while not self._stop_thread:
-            self._tox.iterate()
-            time.sleep(self._tox.iteration_interval() / 1000)
+            try:
+                iMsec = self._tox.iteration_interval()
+                self._tox.iterate()
+            except Exception as e:
+                # Fatal Python error: Segmentation fault
+                LOG_ERROR('ToxIterateThread run: {e}')               
+            sleep(iMsec / 1000)


 class ToxAVIterateThread(BaseQThread):
-
    def __init__(self, toxav):
        super().__init__()
        self._toxav = toxav
-
+        
    def run(self):
+        LOG_DEBUG('ToxAVIterateThread run: ')
        while not self._stop_thread:
            self._toxav.iterate()
-            time.sleep(self._toxav.iteration_interval() / 1000)
+            sleep(self._toxav.iteration_interval() / 1000)


 # -----------------------------------------------------------------------------------------------------------------
@ -109,7 +171,7 @@ class ToxAVIterateThread(BaseQThread):
 class FileTransfersThread(BaseQThread):

    def __init__(self):
-        super().__init__()
+        super().__init__('FileTransfers')
        self._queue = queue.Queue()
        self._timeout = 0.01

@ -124,14 +186,12 @@ class FileTransfersThread(BaseQThread):
            except queue.Empty:
                pass
            except queue.Full:
-                util.log('Queue is full in _thread')
+                LOG_WARN('Queue is full in _thread')
            except Exception as ex:
-                util.log('Exception in _thread: ' + str(ex))
+                LOG_ERROR('in _thread: ' + str(ex))


 _thread = FileTransfersThread()
-
-
 def start_file_transfer_thread():
    _thread.start()

--- a/toxygen/middleware/tox_factory.py
+++ b/toxygen/middleware/tox_factory.py
@ -1,34 +1,102 @@
+# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
 import user_data.settings
 import wrapper.tox
 import wrapper.toxcore_enums_and_consts as enums
 import ctypes
+import traceback
+import os

+global LOG
+import logging
+LOG = logging.getLogger('app.'+'tox_factory')
+def LOG_DEBUG(l): print('DEBUGf: '+l)
+def LOG_LOG(l): print('TRACf: '+l)

-def tox_factory(data=None, settings=None):
+from ctypes import *
+from utils import util
+from utils import ui as util_ui
+
+def tox_log_cb(iTox, level, file, line, func, message, *args):
+    """
+    * @param level The severity of the log message.
+    * @param file The source file from which the message originated.
+    * @param line The source line from which the message originated.
+    * @param func The function from which the message originated.
+    * @param message The log message.
+    * @param user_data The user data pointer passed to tox_new in options.
+    """
+    file = str(file, 'UTF-8')
+    func = str(func, 'UTF-8')
+    message = str(message, 'UTF-8')
+    if file == 'network.c' and line == 660: return
+    # root WARNING 3network.c#944:b'send_packet'attempted to send message with network family 10 (probably IPv6) on IPv4 socket
+    if file == 'network.c' and line == 944: return
+    message = f"{file}#{line}:{func} {message}"
+    LOG_LOG(# 'TRAC: ' +
+            message)
+
+def tox_factory(data=None, settings=None, args=None, app=None):
    """
    :param data: user data from .tox file. None = no saved data, create new profile
    :param settings: current profile settings. None = default settings will be used
    :return: new tox instance
    """
-    if settings is None:
+    if not settings:
+        LOG.warn("tox_factory using get_default_settings")
        settings = user_data.settings.Settings.get_default_settings()
+    else:
+        user_data.settings.clean_settings(settings)

-    tox_options = wrapper.tox.Tox.options_new()
-    tox_options.contents.udp_enabled = settings['udp_enabled']
-    tox_options.contents.proxy_type = settings['proxy_type']
-    tox_options.contents.proxy_host = bytes(settings['proxy_host'], 'UTF-8')
-    tox_options.contents.proxy_port = settings['proxy_port']
-    tox_options.contents.start_port = settings['start_port']
-    tox_options.contents.end_port = settings['end_port']
-    tox_options.contents.tcp_port = settings['tcp_port']
-    tox_options.contents.local_discovery_enabled = settings['lan_discovery']
-    if data:  # load existing profile
-        tox_options.contents.savedata_type = enums.TOX_SAVEDATA_TYPE['TOX_SAVE']
-        tox_options.contents.savedata_data = ctypes.c_char_p(data)
-        tox_options.contents.savedata_length = len(data)
-    else:  # create new profile
-        tox_options.contents.savedata_type = enums.TOX_SAVEDATA_TYPE['NONE']
-        tox_options.contents.savedata_data = None
-        tox_options.contents.savedata_length = 0
+    try:
+        tox_options = wrapper.tox.Tox.options_new()
+        tox_options.contents.ipv6_enabled = settings['ipv6_enabled']
+        tox_options.contents.udp_enabled = settings['udp_enabled']
+        tox_options.contents.proxy_type = int(settings['proxy_type'])
+        if type(settings['proxy_host']) == str:
+            tox_options.contents.proxy_host = bytes(settings['proxy_host'],'UTF-8')
+        elif type(settings['proxy_host']) == bytes:
+            tox_options.contents.proxy_host = settings['proxy_host']
+        else:
+            tox_options.contents.proxy_host = b''
+        tox_options.contents.proxy_port = int(settings['proxy_port'])
+        tox_options.contents.start_port = settings['start_port']
+        tox_options.contents.end_port = settings['end_port']
+        tox_options.contents.tcp_port = settings['tcp_port']
+        tox_options.contents.local_discovery_enabled = settings['local_discovery_enabled']
+        tox_options.contents.dht_announcements_enabled = settings['dht_announcements_enabled']
+        tox_options.contents.hole_punching_enabled = settings['hole_punching_enabled']
+        if data:  # load existing profile
+            tox_options.contents.savedata_type = enums.TOX_SAVEDATA_TYPE['TOX_SAVE']
+            tox_options.contents.savedata_data = ctypes.c_char_p(data)
+            tox_options.contents.savedata_length = len(data)
+        else:  # create new profile
+            tox_options.contents.savedata_type = enums.TOX_SAVEDATA_TYPE['NONE']
+            tox_options.contents.savedata_data = None
+            tox_options.contents.savedata_length = 0

-    return wrapper.tox.Tox(tox_options)
+        # overrides
+        tox_options.contents.local_discovery_enabled = False
+        tox_options.contents.ipv6_enabled = False
+        tox_options.contents.hole_punching_enabled = False
+
+        LOG.debug("wrapper.tox.Tox settings: " +repr(settings))
+
+        if tox_options._options_pointer:
+            c_callback = CFUNCTYPE(None, c_void_p, c_int, c_char_p, c_int, c_char_p, c_char_p, c_void_p)
+            tox_options.self_logger_cb = c_callback(tox_log_cb)
+            wrapper.tox.Tox.libtoxcore.tox_options_set_log_callback(
+                tox_options._options_pointer,
+                tox_options.self_logger_cb)
+        else:
+            logging.warn("No tox_options._options_pointer to add self_logger_cb" )
+
+        retval = wrapper.tox.Tox(tox_options)
+    except Exception as e:
+        if app and hasattr(app, '_log'):
+            app._log(f"ERROR: wrapper.tox.Tox failed:  {e}")
+            LOG.warn(traceback.format_exc())
+        raise
+
+    if app and hasattr(app, '_log'):
+        app._log("DEBUG: wrapper.tox.Tox succeeded")
+    return retval
--- a/toxygen/network/tox_dns.py
+++ b/toxygen/network/tox_dns.py
@ -1,20 +1,40 @@
+# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
 import json
 import urllib.request
 import utils.util as util
 from PyQt5 import QtNetwork, QtCore
+try:
+    import requests
+except ImportError:
+    requests = None

+global LOG
+import logging
+LOG = logging.getLogger('app.'+__name__)

 class ToxDns:

-    def __init__(self, settings):
+    def __init__(self, settings, log=None):
        self._settings = settings
+        self._log = log

    @staticmethod
    def _send_request(url, data):
-        req = urllib.request.Request(url)
-        req.add_header('Content-Type', 'application/json')
-        response = urllib.request.urlopen(req, bytes(json.dumps(data), 'utf-8'))
-        res = json.loads(str(response.read(), 'utf-8'))
+        if requests:
+            LOG.info('send_request loading with requests: ' + str(url))
+            headers = dict()
+            headers['Content-Type'] = 'application/json'
+            req = requests.get(url, headers=headers)
+            if req.status_code < 300:
+                retval = req.content
+            else:
+                raise LookupError(str(req.status_code))
+        else:
+            req = urllib.request.Request(url)
+            req.add_header('Content-Type', 'application/json')
+            response = urllib.request.urlopen(req, bytes(json.dumps(data), 'utf-8'))
+            retval = response.read()
+        res = json.loads(str(retval, 'utf-8'))
        if not res['c']:
            return res['tox_id']
        else:
@ -29,12 +49,25 @@ class ToxDns:
        site = email.split('@')[1]
        data = {"action": 3, "name": "{}".format(email)}
        urls = ('https://{}/api'.format(site), 'http://{}/api'.format(site))
-        if not self._settings['proxy_type']:  # no proxy
+        if requests:
+            for url in urls:
+                LOG.info('TOX nodes loading with requests: ' + str(url))
+                try:
+                    headers = dict()
+                    headers['Content-Type'] = 'application/json'
+                    req = requests.get(url, headers=headers)
+                    if req.status_code < 300:
+                        result = req.content
+                        return result
+                except Exception as ex:
+                    LOG.error('ERROR: TOX DNS loading error with requests: ' + str(ex))
+
+        elif not self._settings['proxy_type']:  # no proxy
            for url in urls:
                try:
                    return self._send_request(url, data)
                except Exception as ex:
-                    util.log('TOX DNS ERROR: ' + str(ex))
+                    LOG.error('ERROR: TOX DNS ' + str(ex))
        else:  # proxy
            netman = QtNetwork.QNetworkAccessManager()
            proxy = QtNetwork.QNetworkProxy()
@ -60,6 +93,6 @@ class ToxDns:
                    if not result['c']:
                        return result['tox_id']
                except Exception as ex:
-                    util.log('TOX DNS ERROR: ' + str(ex))
+                    LOG.error('ERROR: TOX DNS ' + str(ex))

        return None  # error
--- a/toxygen/notifications/sound.py
+++ b/toxygen/notifications/sound.py
@ -3,6 +3,9 @@ import wave
 import pyaudio
 import os.path

+global LOG
+import logging
+LOG = logging.getLogger('app.'+__name__)

 SOUND_NOTIFICATION = {
    'MESSAGE': 0,
@ -25,9 +28,19 @@ class AudioFile:

    def play(self):
        data = self.wf.readframes(self.chunk)
-        while data:
-            self.stream.write(data)
-            data = self.wf.readframes(self.chunk)
+        try:
+            while data:
+                self.stream.write(data)
+                data = self.wf.readframes(self.chunk)
+        except Exception as e:
+            LOG.error(f"Error during AudioFile play {e!s}")
+            LOG.debug("Error during AudioFile play " \
+                      +' rate=' +str(self.wf.getframerate()) \
+                      + 'format=' +str(self.p.get_format_from_width(self.wf.getsampwidth())) \
+                      +' channels=' +str(self.wf.getnchannels()) \
+                      )
+
+            raise

    def close(self):
        self.stream.close()
--- a/toxygen/plugin_support/plugin_support.py
+++ b/toxygen/plugin_support/plugin_support.py
@ -1,3 +1,4 @@
+# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
 import utils.util as util
 import os
 import importlib
@ -5,6 +6,14 @@ import inspect
 import plugins.plugin_super_class as pl
 import sys

+# LOG=util.log
+global LOG
+import logging
+LOG = logging.getLogger('plugin_support')
+def trace(msg, *args, **kwargs): LOG._log(0, msg, [])
+LOG.trace = trace
+
+log = lambda x: LOG.info(x)

 class Plugin:

@ -46,38 +55,49 @@ class PluginLoader:
        """
        path = util.get_plugins_directory()
        if not os.path.exists(path):
-            util.log('Plugin dir not found')
+            self._app._LOG('WARN: Plugin directory not found: ' + path)
            return
-        else:
-            sys.path.append(path)
+
+        sys.path.append(path)
        files = [f for f in os.listdir(path) if os.path.isfile(os.path.join(path, f))]
        for fl in files:
            if fl in ('plugin_super_class.py', '__init__.py') or not fl.endswith('.py'):
                continue
-            name = fl[:-3]  # module name without .py
+            base_name = fl[:-3]  # module name without .py
            try:
-                module = importlib.import_module(name)  # import plugin
-            except ImportError:
-                util.log('Import error in module ' + name)
+                module = importlib.import_module(base_name)  # import plugin
+                LOG.trace('Imported module: ' +base_name +' file: ' +fl)
+            except ImportError as e:
+                LOG.warn(f"Import error:  {e}" +' file: ' +fl)
                continue
            except Exception as ex:
-                util.log('Exception in module ' + name + ' Exception: ' + str(ex))
+                LOG.error('importing ' + base_name + ' Exception: ' + str(ex))
                continue
            for elem in dir(module):
                obj = getattr(module, elem)
                # looking for plugin class in module
                if not inspect.isclass(obj) or not hasattr(obj, 'is_plugin') or not obj.is_plugin:
                    continue
-                print('Plugin', elem)
                try:  # create instance of plugin class
-                    instance = obj(self._app)
-                    is_active = instance.get_short_name() in self._settings['plugins']
+                    instance = obj(self._app) # name, short_name, app
+                    # needed by bday...
+                    instance._profile=self._app._ms._profile
+                    instance._settings=self._settings
+                    short_name = instance.get_short_name()
+                    is_active = short_name in self._settings['plugins']
                    if is_active:
-                        instance.start()
+                        try:
+                            instance.start()
+                            self._app.LOG('INFO: Started Plugin ' +short_name)
+                        except Exception as e:
+                            self._app.LOG.error(f"Starting Plugin ' +short_name +'  {e}")
+                    # else: LOG.info('Defined Plugin ' +short_name)
                except Exception as ex:
-                    util.log('Exception in module ' + name + ' Exception: ' + str(ex))
+                    LOG.error('in module ' + short_name + ' Exception: ' + str(ex))
                    continue
-                self._plugins[instance.get_short_name()] = Plugin(instance, is_active)
+                short_name = instance.get_short_name()
+                self._plugins[short_name] = Plugin(instance, is_active)
+                LOG.info('Added plugin: ' +short_name +' from file: ' +fl)
                break

    def callback_lossless(self, friend_number, data):
@ -114,7 +134,7 @@ class PluginLoader:
        for plugin in self._plugins.values():
            try:
                result.append([plugin.instance.get_name(),  # plugin full name
-                               plugin.is_active,  # is enabled
+                               plugin.is_active,            # is enabled
                               plugin.instance.get_description(),  # plugin description
                               plugin.instance.get_short_name()])  # key - short unique name
            except:
@ -126,7 +146,13 @@ class PluginLoader:
        """
        Return window or None for specified plugin
        """
-        return self._plugins[key].instance.get_window()
+        try:
+            if key in self._plugins and hasattr(self._plugins[key], 'instance'):
+                return self._plugins[key].instance.get_window()
+        except Exception as e:
+            self._app.LOG('WARN: ' +key +' _plugins no slot instance: ' +str(e))
+
+        return None

    def toggle_plugin(self, key):
        """
@ -162,6 +188,7 @@ class PluginLoader:
        for plugin in self._plugins.values():
            if not plugin.is_active:
                continue
+
            try:
                result.extend(plugin.instance.get_menu(num))
            except:
@ -173,6 +200,10 @@ class PluginLoader:
        for plugin in self._plugins.values():
            if not plugin.is_active:
                continue
+            if not hasattr(plugin.instance, 'get_message_menu'):
+                name = plugin.instance.get_short_name()
+                self._app.LOG('WARN: get_message_menu not found: ' + name)
+                continue
            try:
                result.extend(plugin.instance.get_message_menu(menu, selected_text))
            except:
@ -189,6 +220,11 @@ class PluginLoader:
            del self._plugins[key]

    def reload(self):
-        print('Reloading plugins')
+        path = util.get_plugins_directory()
+        if not os.path.exists(path):
+            self._app.LOG('WARN: Plugin directory not found: ' + path)
+            return
+
        self.stop()
+        self._app.LOG('INFO: Reloading plugins from ' +path)
        self.load()
--- a/toxygen/smileys/smileys.py
+++ b/toxygen/smileys/smileys.py
@ -4,6 +4,11 @@ import os
 from collections import OrderedDict
 from PyQt5 import QtCore

+# LOG=util.log
+global LOG
+import logging
+LOG = logging.getLogger('app.'+__name__)
+log = lambda x: LOG.info(x)

 class SmileyLoader:
    """
@ -31,7 +36,7 @@ class SmileyLoader:
                    self._smileys = json.loads(fl.read())
                    fl.seek(0)
                    tmp = json.loads(fl.read(), object_pairs_hook=OrderedDict)
-                print('Smiley pack {} loaded'.format(pack_name))
+                LOG.info('Smiley pack {} loaded'.format(pack_name))
                keys, values, self._list = [], [], []
                for key, value in tmp.items():
                    value = util.join_path(self.get_smileys_path(), value)
@ -42,7 +47,7 @@ class SmileyLoader:
            except Exception as ex:
                self._smileys = {}
                self._list = []
-                print('Smiley pack {} was not loaded. Error: {}'.format(pack_name, ex))
+                LOG.error('Smiley pack {} was not loaded. Error: {}'.format(pack_name, str(ex)))

    def get_smileys_path(self):
        return util.join_path(util.get_smileys_directory(), self._curr_pack) if self._curr_pack is not None else None
--- a/toxygen/stickers/tox/black.png
+++ b/toxygen/stickers/tox/black.png
--- a/toxygen/stickers/tox/red.png
+++ b/toxygen/stickers/tox/red.png
--- a/toxygen/stickers/tox/tox_logo.png
+++ b/toxygen/stickers/tox/tox_logo.png
--- a/toxygen/stickers/tox/tox_logo_1.png
+++ b/toxygen/stickers/tox/tox_logo_1.png
--- a/toxygen/stickers/tox/white.png
+++ b/toxygen/stickers/tox/white.png
--- a/toxygen/styles/rc/Hmovetoolbar.png
+++ b/toxygen/styles/rc/Hmovetoolbar.png
--- a/toxygen/styles/rc/Hsepartoolbar.png
+++ b/toxygen/styles/rc/Hsepartoolbar.png
--- a/toxygen/styles/rc/Vmovetoolbar.png
+++ b/toxygen/styles/rc/Vmovetoolbar.png
--- a/toxygen/styles/rc/Vsepartoolbar.png
+++ b/toxygen/styles/rc/Vsepartoolbar.png
--- a/toxygen/styles/rc/branch_closed-on.png
+++ b/toxygen/styles/rc/branch_closed-on.png
--- a/toxygen/styles/rc/branch_closed.png
+++ b/toxygen/styles/rc/branch_closed.png
--- a/toxygen/styles/rc/branch_open-on.png
+++ b/toxygen/styles/rc/branch_open-on.png
--- a/toxygen/styles/rc/branch_open.png
+++ b/toxygen/styles/rc/branch_open.png
--- a/toxygen/styles/rc/checkbox_checked.png
+++ b/toxygen/styles/rc/checkbox_checked.png
--- a/toxygen/styles/rc/checkbox_checked_disabled.png
+++ b/toxygen/styles/rc/checkbox_checked_disabled.png
--- a/toxygen/styles/rc/checkbox_checked_focus.png
+++ b/toxygen/styles/rc/checkbox_checked_focus.png
--- a/toxygen/styles/rc/checkbox_indeterminate.png
+++ b/toxygen/styles/rc/checkbox_indeterminate.png
--- a/toxygen/styles/rc/checkbox_indeterminate_disabled.png
+++ b/toxygen/styles/rc/checkbox_indeterminate_disabled.png
--- a/toxygen/styles/rc/checkbox_indeterminate_focus.png
+++ b/toxygen/styles/rc/checkbox_indeterminate_focus.png
--- a/toxygen/styles/rc/checkbox_unchecked.png
+++ b/toxygen/styles/rc/checkbox_unchecked.png
--- a/toxygen/styles/rc/checkbox_unchecked_disabled.png
+++ b/toxygen/styles/rc/checkbox_unchecked_disabled.png
--- a/toxygen/styles/rc/checkbox_unchecked_focus.png
+++ b/toxygen/styles/rc/checkbox_unchecked_focus.png
--- a/toxygen/styles/rc/close-hover.png
+++ b/toxygen/styles/rc/close-hover.png
--- a/toxygen/styles/rc/close-pressed.png
+++ b/toxygen/styles/rc/close-pressed.png
--- a/toxygen/styles/rc/close.png
+++ b/toxygen/styles/rc/close.png
--- a/toxygen/styles/rc/down_arrow.png
+++ b/toxygen/styles/rc/down_arrow.png
--- a/toxygen/styles/rc/down_arrow_disabled.png
+++ b/toxygen/styles/rc/down_arrow_disabled.png
--- a/toxygen/styles/rc/left_arrow.png
+++ b/toxygen/styles/rc/left_arrow.png
--- a/toxygen/styles/rc/left_arrow_disabled.png
+++ b/toxygen/styles/rc/left_arrow_disabled.png
--- a/toxygen/styles/rc/radio_checked.png
+++ b/toxygen/styles/rc/radio_checked.png
--- a/toxygen/styles/rc/radio_checked_disabled.png
+++ b/toxygen/styles/rc/radio_checked_disabled.png
--- a/toxygen/styles/rc/radio_checked_focus.png
+++ b/toxygen/styles/rc/radio_checked_focus.png
--- a/toxygen/styles/rc/radio_unchecked.png
+++ b/toxygen/styles/rc/radio_unchecked.png
--- a/toxygen/styles/rc/radio_unchecked_disabled.png
+++ b/toxygen/styles/rc/radio_unchecked_disabled.png
--- a/toxygen/styles/rc/radio_unchecked_focus.png
+++ b/toxygen/styles/rc/radio_unchecked_focus.png
--- a/toxygen/styles/rc/right_arrow.png
+++ b/toxygen/styles/rc/right_arrow.png
--- a/toxygen/styles/rc/right_arrow_disabled.png
+++ b/toxygen/styles/rc/right_arrow_disabled.png
--- a/toxygen/styles/rc/sizegrip.png
+++ b/toxygen/styles/rc/sizegrip.png
--- a/Show more
+++ b/Show more