bug fixes and docs update

src/file_transfers.py

@@ -20,6 +20,9 @@ class StateSignal(QtCore.QObject):
 
 
 class FileTransfer(QtCore.QObject):
+    """
+    Superclass for file transfers
+    """
 
     def __init__(self, path, tox, friend_number, size, file_number=None):
         QtCore.QObject.__init__(self)
@@ -49,12 +52,12 @@ class FileTransfer(QtCore.QObject):
         self.send_control(TOX_FILE_CONTROL['CANCEL'])
         if hasattr(self, '_file'):
             self._file.close()
-        self._state_changed.signal.emit(self.state, self._done / self._size)
+        self._state_changed.signal.emit(self.state, 1)
 
     def cancelled(self):
         if hasattr(self, '_file'):
             self._file.close()
-        self._state_changed.signal.emit(TOX_FILE_CONTROL['CANCEL'], self._done / self._size if self._size else 0)
+        self._state_changed.signal.emit(TOX_FILE_CONTROL['CANCEL'], 1)
 
     def send_control(self, control):
         if self._tox.file_control(self._friend_number, self._file_number, control):
@@ -82,6 +85,11 @@ class SendTransfer(FileTransfer):
                                           basename(path).encode('utf-8') if path else '')
 
     def send_chunk(self, position, size):
+        """
+        Send chunk
+        :param position: start position in file
+        :param size: chunk max size
+        """
         if size:
             self._file.seek(position)
             data = self._file.read(size)
@@ -95,6 +103,9 @@ class SendTransfer(FileTransfer):
 
 
 class SendAvatar(SendTransfer):
+    """
+    Send avatar to friend. Doesn't need file transfer item
+    """
 
     def __init__(self, path, tox, friend_number):
         if path is None:
@@ -106,6 +117,9 @@ class SendAvatar(SendTransfer):
 
 
 class SendFromBuffer(FileTransfer):
+    """
+    Send inline image
+    """
 
     def __init__(self, tox, friend_number, data, file_name):
         super(SendFromBuffer, self).__init__(None, tox, friend_number, len(data))
@@ -143,6 +157,11 @@ class ReceiveTransfer(FileTransfer):
         remove(self._path)
 
     def write_chunk(self, position, data):
+        """
+        Incoming chunk
+        :param position: position in file to save data
+        :param data: raw data (string)
+        """
         if data is None:
             self._file.close()
             self.state = TOX_FILE_TRANSFER_STATE['FINISHED']
@@ -163,6 +182,9 @@ class ReceiveTransfer(FileTransfer):
 
 
 class ReceiveToBuffer(FileTransfer):
+    """
+    Inline image - save in buffer not in file system
+    """
 
     def __init__(self, tox, friend_number, size, file_number):
         super(ReceiveToBuffer, self).__init__(None, tox, friend_number, size, file_number)
@@ -189,6 +211,9 @@ class ReceiveToBuffer(FileTransfer):
 
 
 class ReceiveAvatar(ReceiveTransfer):
+    """
+    Get friend's avatar. Doesn't need file transfer item
+    """
     MAX_AVATAR_SIZE = 512 * 1024
 
     def __init__(self, tox, friend_number, size, file_number):

src/main.py

@@ -38,7 +38,7 @@ class Toxygen(object):
             if curr_lang in map(lambda x: x[0], langs):
                 lang_path = filter(lambda x: x[0] == curr_lang, langs)[0][1]
                 translator = QtCore.QTranslator()
-                translator.load('translations/' + lang_path)
+                translator.load(curr_directory() + '/translations/' + lang_path)
                 app.installTranslator(translator)
                 app.translator = translator
             ls = LoginScreen()
@@ -87,7 +87,7 @@ class Toxygen(object):
 
         lang = filter(lambda x: x[0] == settings['language'], Settings.supported_languages())[0]
         translator = QtCore.QTranslator()
-        translator.load('translations/' + lang[1])
+        translator.load(curr_directory() + '/translations/' + lang[1])
         app.installTranslator(translator)
         app.translator = translator
 
@@ -217,11 +217,10 @@ class Toxygen(object):
         def login_screen_close(self, t, number=-1, default=False, name=None):
             """ Function which processes data from login screen
             :param t: 0 - window was closed, 1 - new profile was created, 2 - profile loaded
-            :param number: num of choosen profile in list (-1 by default)
+            :param number: num of chosen profile in list (-1 by default)
-            :param default: was or not choosen profile marked as default
+            :param default: was or not chosen profile marked as default
             :param name: name of new profile
             """
-            print str(t), str(number), str(default), str(name)
             self.t = t
             self.num = number
             self.default = default

src/profile.py

@@ -181,13 +181,20 @@ class Friend(Contact):
         if message.get_type() <= 1:
             self._unsaved_messages += 1
 
-    def get_last_message(self):
+    def get_last_message_text(self):
         messages = filter(lambda x: x.get_type() <= 1 and not x.get_owner(), self._corr)
         if messages:
             return messages[-1].get_data()[0]
         else:
             return ''
 
+    def last_message_owner(self):
+        messages = filter(lambda x: x.get_type() <= 1, self._corr)
+        if messages:
+            return messages[-1].get_owner()
+        else:
+            return -1
+
     def clear_corr(self):
         """
         Clear messages list
@@ -421,7 +428,7 @@ class Profile(Contact, Singleton):
     active_friend = property(get_active, set_active)
 
     def get_last_message(self):
-        return self._friends[self._active_friend].get_last_message()
+        return self._friends[self._active_friend].get_last_message_text()
 
     def get_active_number(self):
         return self._friends[self._active_friend].number if self._active_friend + 1 else -1
@@ -949,7 +956,7 @@ class Profile(Contact, Singleton):
 def tox_factory(data=None, settings=None):
     """
     :param data: user data from .tox file. None = no saved data, create new profile
-    :param settings: current application settings. None = defaults settings will be used
+    :param settings: current profile settings. None = default settings will be used
     :return: new tox instance
     """
     if settings is None:

src/toxcore_enums_and_consts.py

@@ -205,3 +205,5 @@ TOX_SECRET_KEY_SIZE = 32
 TOX_FILE_ID_LENGTH = 32
 
 TOX_HASH_LENGTH = 32
+
+TOX_MAX_CUSTOM_PACKET_SIZE = 1373