receiving (test mode)

src/callbacks.py

@@ -4,6 +4,7 @@ from settings import Settings
 from profile import Profile
 from toxcore_enums_and_consts import *
 from tox import bin_to_string
+from ctypes import c_char_p, cast, pointer
 
 
 class InvokeEvent(QtCore.QEvent):
@@ -158,7 +159,11 @@ def tox_file_recv(window, tray):
 
 
 def file_recv_chunk(tox, friend_number, file_number, position, chunk, length, user_data):
-    Profile.get_instance().incoming_chunk(friend_number, file_number, position, chunk if length else None)
+    print 'Len:', type(length)
+    print 'Chunk', type(chunk)
+    print 'Pos', type(position)
+    #chunk = cast(pointer(chunk), c_char_p)[0]
+    Profile.get_instance().incoming_chunk(friend_number, file_number, position, chunk[:length] if length else None)
 # -----------------------------------------------------------------------------------------------------------------
 # Callbacks - initialization
 # -----------------------------------------------------------------------------------------------------------------

src/file_transfers.py

@@ -35,13 +35,13 @@ class ReceiveTransfer(FileTransfer):
         self._file = open(self._path, 'wb')
 
     def write_chunk(self, position, data):
-        size = getsize(self._path)
+        if data is not None:
-        if size < position + len(data):
+            size = getsize(self._path)
-            self._file.write('\0' * (position + len(data) - size))
+            if size < position:
+                self._file.seek(0, 2)
+                self._file.write('\0' * (position - size))
             self._file.seek(position)
-            self._file.write(data)
+            self._file.write(''.join(chr(x) for x in data))
             self._file.flush()
         else:
-            self._file.seek(position)
+            self._file.close()
-            self._file.write(data)
-            self._file.flush()

src/tox.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 from ctypes import c_char_p, Structure, CDLL, c_bool, addressof, c_int, c_size_t, POINTER, c_uint16, c_void_p, c_uint64
-from ctypes import create_string_buffer, ArgumentError, CFUNCTYPE, c_uint32, sizeof
+from ctypes import create_string_buffer, ArgumentError, CFUNCTYPE, c_uint32, sizeof, c_uint8
 from platform import system
 from toxcore_enums_and_consts import *
 
@@ -1351,7 +1351,7 @@ class Tox(object):
         pointer (c_void_p) to user_data
         :param user_data: pointer (c_void_p) to user data
         """
-        c_callback = CFUNCTYPE(None, c_void_p, c_uint32, c_uint32, c_uint64, c_char_p, c_size_t, c_void_p)
+        c_callback = CFUNCTYPE(None, c_void_p, c_uint32, c_uint32, c_uint64, POINTER(c_uint8), c_size_t, c_void_p)
         self.file_recv_chunk_cb = c_callback(callback)
         self.libtoxcore.tox_callback_file_recv_chunk(self._tox_pointer, self.file_recv_chunk_cb, user_data)