identicons basic support

setup.py

@@ -10,7 +10,7 @@ version = main.__version__ + '.0'
 
 
 if system() == 'Windows':
-    MODULES = ['PyQt5', 'PyAudio', 'numpy', 'opencv-python']
+    MODULES = ['PyQt5', 'PyAudio', 'numpy', 'opencv-python', 'pydenticon']
 else:
     MODULES = []
     try:
@@ -29,6 +29,10 @@ else:
         import cv2
     except ImportError:
         MODULES.append('opencv-python')
+    try:
+        import pydenticon
+    except ImportError:
+        MODULES.append('pydenticon')
 
 
 class InstallScript(install):

toxygen/contacts/basecontact.py

@@ -3,6 +3,7 @@ from PyQt5 import QtCore, QtGui
 from wrapper.toxcore_enums_and_consts import TOX_PUBLIC_KEY_SIZE
 import utils.util as util
 import common.event as event
+import contacts.common as common
 
 
 class BaseContact:
@@ -119,14 +120,17 @@ class BaseContact:
         self._widget.avatar_label.repaint()
         self._avatar_changed_event(avatar_path)
 
-    def reset_avatar(self):
+    def reset_avatar(self, generate_new):
         avatar_path = self.get_avatar_path()
-        if os.path.isfile(avatar_path):
+        if os.path.isfile(avatar_path) and not avatar_path == self._get_default_avatar_path():
             os.remove(avatar_path)
+        if generate_new:
+            self.set_avatar(common.generate_avatar(self.tox_id))
+        else:
             self.load_avatar()
 
     def set_avatar(self, avatar):
-        avatar_path = self.get_avatar_path()
+        avatar_path = self.get_contact_avatar_path()
         with open(avatar_path, 'wb') as f:
             f.write(avatar)
         self.load_avatar()
@@ -137,7 +141,7 @@ class BaseContact:
     def get_avatar_path(self):
         avatar_path = self.get_contact_avatar_path()
         if not os.path.isfile(avatar_path) or not os.path.getsize(avatar_path):  # load default image
-            avatar_path = util.join_path(util.get_images_directory(), self._get_default_avatar_name())
+            avatar_path = self._get_default_avatar_path()
 
         return avatar_path
 
@@ -166,5 +170,5 @@ class BaseContact:
     # -----------------------------------------------------------------------------------------------------------------
 
     @staticmethod
-    def _get_default_avatar_name():
+    def _get_default_avatar_path():
-        return 'avatar.png'
+        return util.join_path(util.get_images_directory(), 'avatar.png')

toxygen/contacts/common.py

@@ -1,3 +1,4 @@
+from pydenticon import Generator
 
 
 class BaseTypingNotificationHandler:
@@ -22,3 +23,17 @@ class FriendTypingNotificationHandler(BaseTypingNotificationHandler):
 
 
 BaseTypingNotificationHandler.DEFAULT_HANDLER = BaseTypingNotificationHandler()
+
+
+def generate_avatar(tox_id):
+    foreground = ["rgb(45,79,255)",
+                  "rgb(254,180,44)",
+                  "rgb(226,121,234)",
+                  "rgb(30,179,253)",
+                  "rgb(232,77,65)",
+                  "rgb(49,203,115)",
+                  "rgb(141,69,170)"]
+    generator = Generator(5, 5, foreground=foreground, background="rgba(42,42,42,0)")
+    identicon = generator.generate(tox_id, 220, 220, padding=(10, 10, 10, 10))
+
+    return identicon

toxygen/contacts/contacts_manager.py

@@ -295,6 +295,7 @@ class ContactsManager:
         self._history.add_friend_to_db(tox_id)
         friend = self._contact_provider.get_friend_by_public_key(tox_id)
         self._contacts.append(friend)
+        friend.reset_avatar()
 
     def block_user(self, tox_id):
         """

toxygen/contacts/profile.py

@@ -136,8 +136,8 @@ class Profile(basecontact.BaseContact):
             self._call.stop()
             del self._call
 
-    def reset_avatar(self):
+    def reset_avatar(self, generate_new):
-        super().reset_avatar()
+        super().reset_avatar(generate_new)
         for friend in filter(lambda x: x.status is not None, self._contacts):
             self.send_avatar(friend.number)
 

toxygen/file_transfers/file_transfers.py

@@ -316,9 +316,6 @@ class ReceiveAvatar(ReceiveTransfer):
         elif not size:
             self.send_control(TOX_FILE_CONTROL['CANCEL'])
             self._file.close()
-            if exists(path):
-                remove(path)
-            self._file.close()
             remove(full_path)
         elif exists(path):
             hash = self.get_file_id()

toxygen/file_transfers/file_transfers_handler.py

@@ -271,7 +271,7 @@ class FileTransfersHandler:
             self._file_transfers[(friend_number, file_number)] = ra
             ra.set_transfer_finished_handler(self.transfer_finished)
         else:
-            friend.load_avatar()
+            friend.reset_avatar(self._settings['identicons'])
 
     # -----------------------------------------------------------------------------------------------------------------
     # Private methods

toxygen/ui/menu.py

@@ -245,7 +245,7 @@ class ProfileSettings(CenteredWidget):
         self.tox_id.setText(self._profile.new_nospam())
 
     def reset_avatar(self):
-        self._profile.reset_avatar()
+        self._profile.reset_avatar(self._settings['identicons'])
 
     def set_avatar(self):
         choose = util_ui.tr("Choose avatar")

toxygen/user_data/settings.py

@@ -140,6 +140,7 @@ class Settings(dict):
             'unread_color': 'red',
             'save_unsent_only': False,
             'compact_mode': False,
+            'identicons': True,
             'show_welcome_screen': True,
             'close_to_tray': False,
             'font': 'Times New Roman',