toxygen/toxygen/profile.py

1465 lines
66 KiB
Python

from list_items import *
from PyQt5 import QtGui, QtWidgets
from friend import *
from settings import *
from toxcore_enums_and_consts import *
from ctypes import *
from util import log, Singleton, curr_directory
from tox_dns import tox_dns
from history import *
from file_transfers import *
import time
import calls
import avwidgets
import plugin_support
import basecontact
import items_factory
import cv2
import threading
from group_chat import *
import re
class Profile(basecontact.BaseContact, Singleton):
"""
Profile of current toxygen user. Contains friends list, tox instance
"""
def __init__(self, tox, screen):
"""
:param tox: tox instance
:param screen: ref to main screen
"""
basecontact.BaseContact.__init__(self,
tox.self_get_name(),
tox.self_get_status_message(),
screen.user_info,
tox.self_get_address())
Singleton.__init__(self)
self._screen = screen
self._messages = screen.messages
self._tox = tox
self._file_transfers = {} # dict of file transfers. key - tuple (friend_number, file_number)
self._call = calls.AV(tox.AV) # object with data about calls
self._call_widgets = {} # dict of incoming call widgets
self._incoming_calls = set()
self._load_history = True
self._waiting_for_reconnection = False
self._factory = items_factory.ItemsFactory(self._screen.friends_list, self._messages)
settings = Settings.get_instance()
self._sorting = settings['sorting']
self._show_avatars = settings['show_avatars']
self._filter_string = ''
self._friend_item_height = 40 if settings['compact_mode'] else 70
self._paused_file_transfers = dict(settings['paused_file_transfers'])
# key - file id, value: [path, friend number, is incoming, start position]
screen.online_contacts.setCurrentIndex(int(self._sorting))
aliases = settings['friends_aliases']
data = tox.self_get_friend_list()
self._history = History(tox.self_get_public_key()) # connection to db
self._contacts, self._active_friend = [], -1
for i in data: # creates list of friends
tox_id = tox.friend_get_public_key(i)
try:
alias = list(filter(lambda x: x[0] == tox_id, aliases))[0][1]
except:
alias = ''
item = self.create_friend_item()
name = alias or tox.friend_get_name(i) or tox_id
status_message = tox.friend_get_status_message(i)
if not self._history.friend_exists_in_db(tox_id):
self._history.add_friend_to_db(tox_id)
message_getter = self._history.messages_getter(tox_id)
friend = Friend(message_getter, i, name, status_message, item, tox_id)
friend.set_alias(alias)
self._contacts.append(friend)
if len(self._contacts):
self.set_active(0)
self.filtration_and_sorting(self._sorting)
# -----------------------------------------------------------------------------------------------------------------
# Edit current user's data
# -----------------------------------------------------------------------------------------------------------------
def change_status(self):
"""
Changes status of user (online, away, busy)
"""
if self._status is not None:
self.set_status((self._status + 1) % 3)
def set_status(self, status):
super(Profile, self).set_status(status)
if status is not None:
self._tox.self_set_status(status)
elif not self._waiting_for_reconnection:
self._waiting_for_reconnection = True
QtCore.QTimer.singleShot(50000, self.reconnect)
def set_name(self, value):
if self.name == value:
return
tmp = self.name
super(Profile, self).set_name(value.encode('utf-8'))
self._tox.self_set_name(self._name.encode('utf-8'))
message = QtWidgets.QApplication.translate("MainWindow", 'User {} is now known as {}')
message = message.format(tmp, value)
for friend in self._contacts:
friend.append_message(InfoMessage(message, time.time()))
if self._active_friend + 1:
self.create_message_item(message, time.time(), '', MESSAGE_TYPE['INFO_MESSAGE'])
self._messages.scrollToBottom()
def set_status_message(self, value):
super(Profile, self).set_status_message(value)
self._tox.self_set_status_message(self._status_message.encode('utf-8'))
def new_nospam(self):
"""Sets new nospam part of tox id"""
import random
self._tox.self_set_nospam(random.randint(0, 4294967295)) # no spam - uint32
self._tox_id = self._tox.self_get_address()
return self._tox_id
# -----------------------------------------------------------------------------------------------------------------
# Filtration
# -----------------------------------------------------------------------------------------------------------------
def filtration_and_sorting(self, sorting=0, filter_str=''):
"""
Filtration of friends list
:param sorting: 0 - no sort, 1 - online only, 2 - online first, 4 - by name
:param filter_str: show contacts which name contains this substring
"""
filter_str = filter_str.lower()
settings = Settings.get_instance()
number = self.get_active_number()
is_friend = self.is_active_a_friend()
if sorting > 1:
if sorting & 2:
self._contacts = sorted(self._contacts, key=lambda x: int(x.status is not None), reverse=True)
if sorting & 4:
if not sorting & 2:
self._contacts = sorted(self._contacts, key=lambda x: x.name.lower())
else: # save results of prev sorting
online_friends = filter(lambda x: x.status is not None, self._contacts)
count = len(list(online_friends))
part1 = self._contacts[:count]
part2 = self._contacts[count:]
part1 = sorted(part1, key=lambda x: x.name.lower())
part2 = sorted(part2, key=lambda x: x.name.lower())
self._contacts = part1 + part2
else: # sort by number
online_friends = filter(lambda x: x.status is not None, self._contacts)
count = len(list(online_friends))
part1 = self._contacts[:count]
part2 = self._contacts[count:]
part1 = sorted(part1, key=lambda x: x.number)
part2 = sorted(part2, key=lambda x: x.number)
self._contacts = part1 + part2
self._screen.friends_list.clear()
for contact in self._contacts:
contact.set_widget(self.create_friend_item())
for index, friend in enumerate(self._contacts):
friend.visibility = (friend.status is not None or not (sorting & 1)) and (filter_str in friend.name.lower())
friend.visibility = friend.visibility or friend.messages or friend.actions
if friend.visibility:
self._screen.friends_list.item(index).setSizeHint(QtCore.QSize(250, self._friend_item_height))
else:
self._screen.friends_list.item(index).setSizeHint(QtCore.QSize(250, 0))
self._sorting, self._filter_string = sorting, filter_str
settings['sorting'] = self._sorting
settings.save()
self.set_active_by_number_and_type(number, is_friend)
def update_filtration(self):
"""
Update list of contacts when 1 of friends change connection status
"""
self.filtration_and_sorting(self._sorting, self._filter_string)
# -----------------------------------------------------------------------------------------------------------------
# Friend getters
# -----------------------------------------------------------------------------------------------------------------
def get_friend_by_number(self, num):
return list(filter(lambda x: x.number == num and type(x) is Friend, self._contacts))[0]
def get_friend(self, num):
if num < 0 or num >= len(self._contacts):
return None
return self._contacts[num]
def get_curr_friend(self):
return self._contacts[self._active_friend] if self._active_friend + 1 else None
# -----------------------------------------------------------------------------------------------------------------
# Work with active friend
# -----------------------------------------------------------------------------------------------------------------
def get_active(self):
return self._active_friend
def set_active(self, value=None):
"""
Change current active friend or update info
:param value: number of new active friend in friend's list or None to update active user's data
"""
if value is None and self._active_friend == -1: # nothing to update
return
if value == -1: # all friends were deleted
self._screen.account_name.setText('')
self._screen.account_status.setText('')
self._screen.account_status.setToolTip('')
self._active_friend = -1
self._screen.account_avatar.setHidden(True)
self._messages.clear()
self._screen.messageEdit.clear()
return
try:
self.send_typing(False)
self._screen.typing.setVisible(False)
if value is not None:
if self._active_friend + 1 and self._active_friend != value:
try:
self.get_curr_friend().curr_text = self._screen.messageEdit.toPlainText()
except:
pass
friend = self._contacts[value]
friend.remove_invalid_unsent_files()
if self._active_friend != value:
self._screen.messageEdit.setPlainText(friend.curr_text)
self._active_friend = value
friend.reset_messages()
if not Settings.get_instance()['save_history']:
friend.delete_old_messages()
self._messages.clear()
friend.load_corr()
messages = friend.get_corr()[-PAGE_SIZE:]
self._load_history = False
for message in messages:
if message.get_type() <= 1:
data = message.get_data()
self.create_message_item(data[0],
data[2],
data[1],
data[3])
elif message.get_type() == MESSAGE_TYPE['FILE_TRANSFER']:
if message.get_status() is None:
self.create_unsent_file_item(message)
continue
item = self.create_file_transfer_item(message)
if message.get_status() in ACTIVE_FILE_TRANSFERS: # active file transfer
try:
ft = self._file_transfers[(message.get_friend_number(), message.get_file_number())]
ft.set_state_changed_handler(item.update_transfer_state)
ft.signal()
except:
print('Incoming not started transfer - no info found')
elif message.get_type() == MESSAGE_TYPE['INLINE']: # inline
self.create_inline_item(message.get_data())
elif message.get_type() < 5: # info message
data = message.get_data()
self.create_message_item(data[0],
data[2],
'',
data[3])
else:
data = message.get_data()
self.create_gc_message_item(data[0], data[2], data[1], data[4], data[3])
self._messages.scrollToBottom()
self._load_history = True
if value in self._call:
self._screen.active_call()
elif value in self._incoming_calls:
self._screen.incoming_call()
else:
self._screen.call_finished()
else:
friend = self.get_curr_friend()
self._screen.account_name.setText(friend.name)
self._screen.account_status.setText(friend.status_message)
self._screen.account_status.setToolTip(friend.get_full_status())
if friend.tox_id is None:
avatar_path = curr_directory() + '/images/group.png'
else:
avatar_path = (ProfileHelper.get_path() + 'avatars/{}.png').format(friend.tox_id[:TOX_PUBLIC_KEY_SIZE * 2])
if not os.path.isfile(avatar_path): # load default image
avatar_path = curr_directory() + '/images/avatar.png'
os.chdir(os.path.dirname(avatar_path))
pixmap = QtGui.QPixmap(avatar_path)
self._screen.account_avatar.setPixmap(pixmap.scaled(64, 64, QtCore.Qt.KeepAspectRatio,
QtCore.Qt.SmoothTransformation))
except Exception as ex: # no friend found. ignore
log('Friend value: ' + str(value))
log('Error in set active: ' + str(ex))
raise
def set_active_by_number_and_type(self, number, is_friend):
for i in range(len(self._contacts)):
c = self._contacts[i]
if c.number == number and (type(c) is Friend == is_friend):
self._active_friend = i
break
active_friend = property(get_active, set_active)
def get_last_message(self):
if self._active_friend + 1:
return self.get_curr_friend().get_last_message_text()
else:
return ''
def get_active_number(self):
return self.get_curr_friend().number if self._active_friend + 1 else -1
def get_active_name(self):
return self.get_curr_friend().name if self._active_friend + 1 else ''
def is_active_online(self):
return self._active_friend + 1 and self.get_curr_friend().status is not None
def new_name(self, number, name):
friend = self.get_friend_by_number(number)
tmp = friend.name
friend.set_name(name)
name = str(name, 'utf-8')
if friend.name == name and tmp != name:
message = QtWidgets.QApplication.translate("MainWindow", 'User {} is now known as {}')
message = message.format(tmp, name)
friend.append_message(InfoMessage(message, time.time()))
friend.actions = True
if number == self.get_active_number():
self.create_message_item(message, time.time(), '', MESSAGE_TYPE['INFO_MESSAGE'])
self._messages.scrollToBottom()
self.set_active(None)
def update(self):
if self._active_friend + 1:
self.set_active(self._active_friend)
# -----------------------------------------------------------------------------------------------------------------
# Friend connection status callbacks
# -----------------------------------------------------------------------------------------------------------------
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:
for fl in files:
data = fl.get_data()
if data[1] is not None:
self.send_inline(data[1], data[0], friend_number, True)
else:
self.send_file(data[0], friend_number, True)
friend.clear_unsent_files()
for key in list(self._paused_file_transfers.keys()):
data = self._paused_file_transfers[key]
if not os.path.exists(data[0]):
del self._paused_file_transfers[key]
elif data[1] == friend_number and not data[2]:
self.send_file(data[0], friend_number, True, key)
del self._paused_file_transfers[key]
if friend_number == self.get_active_number() and self.is_active_a_friend():
self.update()
except Exception as ex:
print('Exception in file sending: ' + str(ex))
def friend_exit(self, friend_number):
"""
Friend with specified number quit
"""
self.get_friend_by_number(friend_number).status = None
self.friend_typing(friend_number, False)
if friend_number in self._call:
self._call.finish_call(friend_number, True)
for friend_num, file_num in list(self._file_transfers.keys()):
if friend_num == friend_number:
ft = self._file_transfers[(friend_num, file_num)]
if type(ft) is SendTransfer:
self._paused_file_transfers[ft.get_id()] = [ft.get_path(), friend_num, False, -1]
elif type(ft) is ReceiveTransfer and ft.state != TOX_FILE_TRANSFER_STATE['INCOMING_NOT_STARTED']:
self._paused_file_transfers[ft.get_id()] = [ft.get_path(), friend_num, True, ft.total_size()]
self.cancel_transfer(friend_num, file_num, True)
# -----------------------------------------------------------------------------------------------------------------
# Typing notifications
# -----------------------------------------------------------------------------------------------------------------
def send_typing(self, typing):
"""
Send typing notification to a friend
"""
if Settings.get_instance()['typing_notifications'] and self._active_friend + 1:
try:
friend = self.get_curr_friend()
if friend.status is not None:
self._tox.self_set_typing(friend.number, typing)
except:
pass
def friend_typing(self, friend_number, typing):
"""
Display incoming typing notification
"""
if friend_number == self.get_active_number() and self.is_active_a_friend():
self._screen.typing.setVisible(typing)
# -----------------------------------------------------------------------------------------------------------------
# Private messages
# -----------------------------------------------------------------------------------------------------------------
def receipt(self):
i = 0
while i < self._messages.count() and not self._messages.itemWidget(self._messages.item(i)).mark_as_sent():
i += 1
def send_messages(self, friend_number):
"""
Send 'offline' messages to friend
"""
friend = self.get_friend_by_number(friend_number)
friend.load_corr()
messages = friend.get_unsent_messages()
try:
for message in messages:
self.split_and_send(friend_number, message.get_data()[-1], message.get_data()[0].encode('utf-8'))
friend.inc_receipts()
except Exception as ex:
log('Sending pending messages failed with ' + str(ex))
def split_and_send(self, number, message_type, message):
"""
Message splitting. Message length cannot be > TOX_MAX_MESSAGE_LENGTH
:param number: friend's number
:param message_type: type of message
:param message: message text
"""
while len(message) > TOX_MAX_MESSAGE_LENGTH:
size = TOX_MAX_MESSAGE_LENGTH * 4 // 5
last_part = message[size:TOX_MAX_MESSAGE_LENGTH]
if b' ' in last_part:
index = last_part.index(b' ')
elif b',' in last_part:
index = last_part.index(b',')
elif b'.' in last_part:
index = last_part.index(b'.')
else:
index = TOX_MAX_MESSAGE_LENGTH - size - 1
index += size + 1
self._tox.friend_send_message(number, message_type, message[:index])
message = message[index:]
self._tox.friend_send_message(number, message_type, message)
def new_message(self, friend_num, message_type, message):
"""
Current user gets new message
:param friend_num: friend_num of friend who sent message
:param message_type: message type - plain text or action message (/me)
:param message: text of message
"""
if friend_num == self.get_active_number()and self.is_active_a_friend(): # add message to list
t = time.time()
self.create_message_item(message, t, MESSAGE_OWNER['FRIEND'], message_type)
self._messages.scrollToBottom()
self.get_curr_friend().append_message(
TextMessage(message, MESSAGE_OWNER['FRIEND'], t, message_type))
else:
friend = self.get_friend_by_number(friend_num)
friend.inc_messages()
friend.append_message(
TextMessage(message, MESSAGE_OWNER['FRIEND'], time.time(), message_type))
if not friend.visibility:
self.update_filtration()
def send_message(self, text, friend_num=None):
"""
Send message
:param text: message text
:param friend_num: num of friend
"""
if not self.is_active_a_friend():
self.send_gc_message(text)
return
if friend_num is None:
friend_num = self.get_active_number()
if text.startswith('/plugin '):
plugin_support.PluginLoader.get_instance().command(text[8:])
self._screen.messageEdit.clear()
elif text and friend_num + 1:
if text.startswith('/me '):
message_type = TOX_MESSAGE_TYPE['ACTION']
text = text[4:]
else:
message_type = TOX_MESSAGE_TYPE['NORMAL']
friend = self.get_friend_by_number(friend_num)
friend.inc_receipts()
if friend.status is not None:
self.split_and_send(friend.number, message_type, text.encode('utf-8'))
t = time.time()
if friend.number == self.get_active_number() and self.is_active_a_friend():
self.create_message_item(text, t, MESSAGE_OWNER['NOT_SENT'], message_type)
self._screen.messageEdit.clear()
self._messages.scrollToBottom()
friend.append_message(TextMessage(text, MESSAGE_OWNER['NOT_SENT'], t, message_type))
def delete_message(self, time):
friend = self.get_curr_friend()
friend.delete_message(time)
self._history.delete_message(friend.tox_id, time)
self.update()
# -----------------------------------------------------------------------------------------------------------------
# History support
# -----------------------------------------------------------------------------------------------------------------
def save_history(self):
"""
Save history to db
"""
s = Settings.get_instance()
if hasattr(self, '_history'):
if s['save_history']:
for friend in filter(lambda x: type(x) is Friend, self._contacts):
if not self._history.friend_exists_in_db(friend.tox_id):
self._history.add_friend_to_db(friend.tox_id)
if not s['save_unsent_only']:
messages = friend.get_corr_for_saving()
else:
messages = friend.get_unsent_messages_for_saving()
self._history.delete_messages(friend.tox_id)
self._history.save_messages_to_db(friend.tox_id, messages)
unsent_messages = friend.get_unsent_messages()
unsent_time = unsent_messages[0].get_data()[2] if len(unsent_messages) else time.time() + 1
self._history.update_messages(friend.tox_id, unsent_time)
self._history.save()
del self._history
def clear_history(self, num=None, save_unsent=False):
"""
Clear chat history
"""
if num is not None:
friend = self._contacts[num]
friend.clear_corr(save_unsent)
if self._history.friend_exists_in_db(friend.tox_id):
self._history.delete_messages(friend.tox_id)
self._history.delete_friend_from_db(friend.tox_id)
else: # clear all history
for number in range(len(self._contacts)):
self.clear_history(number, save_unsent)
if num is None or num == self.get_active_number():
self.update()
def load_history(self):
"""
Tries to load next part of messages
"""
if not self._load_history:
return
self._load_history = False
friend = self.get_curr_friend()
friend.load_corr(False)
data = friend.get_corr()
if not data:
return
data.reverse()
data = data[self._messages.count():self._messages.count() + PAGE_SIZE]
for message in data:
if message.get_type() <= 1: # text message
data = message.get_data()
self.create_message_item(data[0],
data[2],
data[1],
data[3],
False)
elif message.get_type() == MESSAGE_TYPE['FILE_TRANSFER']: # file transfer
if message.get_status() is None:
self.create_unsent_file_item(message)
continue
item = self.create_file_transfer_item(message, False)
if message.get_status() in ACTIVE_FILE_TRANSFERS: # active file transfer
try:
ft = self._file_transfers[(message.get_friend_number(), message.get_file_number())]
ft.set_state_changed_handler(item.update_transfer_state)
ft.signal()
except:
print('Incoming not started transfer - no info found')
elif message.get_type() == MESSAGE_TYPE['INLINE']: # inline image
self.create_inline_item(message.get_data(), False)
elif message.get_type() < 5: # info message
data = message.get_data()
self.create_message_item(data[0],
data[2],
'',
data[3],
False)
else:
data = message.get_data()
self.create_gc_message_item(data[0], data[2], data[1], data[4], data[3], False)
self._load_history = True
def export_db(self, directory):
self._history.export(directory)
def export_history(self, num, as_text=True, _range=None):
friend = self._contacts[num]
if _range is None:
friend.load_all_corr()
corr = friend.get_corr()
elif _range[1] + 1:
corr = friend.get_corr()[_range[0]:_range[1] + 1]
else:
corr = friend.get_corr()[_range[0]:]
arr = []
new_line = '\n' if as_text else '<br>'
for message in corr:
if type(message) is TextMessage:
data = message.get_data()
if as_text:
x = '[{}] {}: {}\n'
else:
x = '[{}] <b>{}:</b> {}<br>'
arr.append(x.format(convert_time(data[2]) if data[1] != MESSAGE_OWNER['NOT_SENT'] else 'Unsent',
friend.name if data[1] == MESSAGE_OWNER['FRIEND'] else self.name,
data[0]))
s = new_line.join(arr)
if not as_text:
s = '<html><head><meta charset="UTF-8"><title>{}</title></head><body>{}</body></html>'.format(friend.name, s)
return s
# -----------------------------------------------------------------------------------------------------------------
# Friend, message and file transfer items creation
# -----------------------------------------------------------------------------------------------------------------
def create_friend_item(self):
"""
Method-factory
:return: new widget for friend instance
"""
return self._factory.friend_item()
def create_message_item(self, text, time, owner, message_type, append=True):
if message_type == MESSAGE_TYPE['INFO_MESSAGE']:
name = ''
elif owner == MESSAGE_OWNER['FRIEND']:
name = self.get_active_name()
else:
name = self._name
pixmap = None
if self._show_avatars:
if owner == MESSAGE_OWNER['FRIEND']:
pixmap = self.get_curr_friend().get_pixmap()
else:
pixmap = self.get_pixmap()
return self._factory.message_item(text, time, name, owner != MESSAGE_OWNER['NOT_SENT'],
message_type, append, pixmap)
def create_gc_message_item(self, text, time, owner, name, message_type, append=True):
pixmap = None
if self._show_avatars:
if owner == MESSAGE_OWNER['FRIEND']:
pixmap = self.get_curr_friend().get_pixmap()
else:
pixmap = self.get_pixmap()
return self._factory.message_item(text, time, name, True,
message_type - 5, append, pixmap)
def create_file_transfer_item(self, tm, append=True):
data = list(tm.get_data())
data[3] = self.get_friend_by_number(data[4]).name if data[3] else self._name
return self._factory.file_transfer_item(data, append)
def create_unsent_file_item(self, message, append=True):
data = message.get_data()
return self._factory.unsent_file_item(os.path.basename(data[0]),
os.path.getsize(data[0]) if data[1] is None else len(data[1]),
self.name,
data[2],
append)
def create_inline_item(self, data, append=True):
return self._factory.inline_item(data, append)
# -----------------------------------------------------------------------------------------------------------------
# Work with friends (remove, block, set alias, get public key)
# -----------------------------------------------------------------------------------------------------------------
def set_alias(self, num):
"""
Set new alias for friend
"""
friend = self._contacts[num]
name = friend.name
dialog = QtWidgets.QApplication.translate('MainWindow',
"Enter new alias for friend {} or leave empty to use friend's name:")
dialog = dialog.format(name)
title = QtWidgets.QApplication.translate('MainWindow',
'Set alias')
text, ok = QtWidgets.QInputDialog.getText(None,
title,
dialog,
QtWidgets.QLineEdit.Normal,
name)
if ok:
settings = Settings.get_instance()
aliases = settings['friends_aliases']
if text:
friend.name = bytes(text, 'utf-8')
try:
index = list(map(lambda x: x[0], aliases)).index(friend.tox_id)
aliases[index] = (friend.tox_id, text)
except:
aliases.append((friend.tox_id, text))
friend.set_alias(text)
else: # use default name
friend.name = bytes(self._tox.friend_get_name(friend.number), 'utf-8')
friend.set_alias('')
try:
index = list(map(lambda x: x[0], aliases)).index(friend.tox_id)
del aliases[index]
except:
pass
settings.save()
if num == self.get_active_number() and self.is_active_a_friend():
self.update()
def friend_public_key(self, num):
return self._contacts[num].tox_id
def delete_friend(self, num):
"""
Removes friend from contact list
:param num: number of friend in list
"""
friend = self._contacts[num]
settings = Settings.get_instance()
try:
index = list(map(lambda x: x[0], settings['friends_aliases'])).index(friend.tox_id)
del settings['friends_aliases'][index]
except:
pass
if friend.tox_id in settings['notes']:
del settings['notes'][friend.tox_id]
settings.save()
self.clear_history(num)
if self._history.friend_exists_in_db(friend.tox_id):
self._history.delete_friend_from_db(friend.tox_id)
self._tox.friend_delete(friend.number)
del self._contacts[num]
self._screen.friends_list.takeItem(num)
if num == self._active_friend: # active friend was deleted
if not len(self._contacts): # last friend was deleted
self.set_active(-1)
else:
self.set_active(0)
data = self._tox.get_savedata()
ProfileHelper.get_instance().save_profile(data)
def add_friend(self, tox_id):
"""
Adds friend to list
"""
num = self._tox.friend_add_norequest(tox_id) # num - friend number
item = self.create_friend_item()
try:
if not self._history.friend_exists_in_db(tox_id):
self._history.add_friend_to_db(tox_id)
message_getter = self._history.messages_getter(tox_id)
except Exception as ex: # something is wrong
log('Accept friend request failed! ' + str(ex))
message_getter = None
friend = Friend(message_getter, num, tox_id, '', item, tox_id)
self._contacts.append(friend)
def block_user(self, tox_id):
"""
Block user with specified tox id (or public key) - delete from friends list and ignore friend requests
"""
tox_id = tox_id[:TOX_PUBLIC_KEY_SIZE * 2]
if tox_id == self.tox_id[:TOX_PUBLIC_KEY_SIZE * 2]:
return
settings = Settings.get_instance()
if tox_id not in settings['blocked']:
settings['blocked'].append(tox_id)
settings.save()
try:
num = self._tox.friend_by_public_key(tox_id)
self.delete_friend(num)
data = self._tox.get_savedata()
ProfileHelper.get_instance().save_profile(data)
except: # not in friend list
pass
def unblock_user(self, tox_id, add_to_friend_list):
"""
Unblock user
:param tox_id: tox id of contact
:param add_to_friend_list: add this contact to friend list or not
"""
s = Settings.get_instance()
s['blocked'].remove(tox_id)
s.save()
if add_to_friend_list:
self.add_friend(tox_id)
data = self._tox.get_savedata()
ProfileHelper.get_instance().save_profile(data)
# -----------------------------------------------------------------------------------------------------------------
# Friend requests
# -----------------------------------------------------------------------------------------------------------------
def send_friend_request(self, tox_id, message):
"""
Function tries to send request to contact with specified id
:param tox_id: id of new contact or tox dns 4 value
:param message: additional message
:return: True on success else error string
"""
try:
message = message or 'Hello! Add me to your contact list please'
if '@' in tox_id: # value like groupbot@toxme.io
tox_id = tox_dns(tox_id)
if tox_id is None:
raise Exception('TOX DNS lookup failed')
if len(tox_id) == TOX_PUBLIC_KEY_SIZE * 2: # public key
self.add_friend(tox_id)
msgBox = QtWidgets.QMessageBox()
msgBox.setWindowTitle(QtWidgets.QApplication.translate("MainWindow", "Friend added"))
text = (QtWidgets.QApplication.translate("MainWindow", 'Friend added without sending friend request'))
msgBox.setText(text)
msgBox.exec_()
else:
result = self._tox.friend_add(tox_id, message.encode('utf-8'))
tox_id = tox_id[:TOX_PUBLIC_KEY_SIZE * 2]
item = self.create_friend_item()
if not self._history.friend_exists_in_db(tox_id):
self._history.add_friend_to_db(tox_id)
message_getter = self._history.messages_getter(tox_id)
friend = Friend(message_getter, result, tox_id, '', item, tox_id)
self._contacts.append(friend)
data = self._tox.get_savedata()
ProfileHelper.get_instance().save_profile(data)
return True
except Exception as ex: # wrong data
log('Friend request failed with ' + str(ex))
return str(ex)
def process_friend_request(self, tox_id, message):
"""
Accept or ignore friend request
:param tox_id: tox id of contact
:param message: message
"""
try:
text = QtWidgets.QApplication.translate('MainWindow', 'User {} wants to add you to contact list. Message:\n{}')
info = text.format(tox_id, message)
fr_req = QtWidgets.QApplication.translate('MainWindow', 'Friend request')
reply = QtWidgets.QMessageBox.question(None, fr_req, info, QtWidgets.QMessageBox.Yes, QtWidgets.QMessageBox.No)
if reply == QtWidgets.QMessageBox.Yes: # accepted
self.add_friend(tox_id)
data = self._tox.get_savedata()
ProfileHelper.get_instance().save_profile(data)
except Exception as ex: # something is wrong
log('Accept friend request failed! ' + str(ex))
# -----------------------------------------------------------------------------------------------------------------
# Reset
# -----------------------------------------------------------------------------------------------------------------
def reset(self, restart):
"""
Recreate tox instance
:param restart: method which calls restart and returns new tox instance
"""
for contact in self._contacts:
if type(contact) is Friend:
self.friend_exit(contact.number)
else:
self.leave_gc(contact.number)
self._call.stop()
del self._call
del self._tox
self._tox = restart()
self._call = calls.AV(self._tox.AV)
self.status = None
for friend in self._contacts:
friend.number = self._tox.friend_by_public_key(friend.tox_id) # numbers update
self.update_filtration()
def reconnect(self):
self._waiting_for_reconnection = False
if self.status is None or all(list(map(lambda x: x.status is None, self._contacts))) and len(self._contacts):
self._waiting_for_reconnection = True
self.reset(self._screen.reset)
QtCore.QTimer.singleShot(50000, self.reconnect)
def close(self):
for friend in filter(lambda x: type(x) is Friend, self._contacts):
self.friend_exit(friend.number)
for i in range(len(self._contacts)):
del self._contacts[0]
if hasattr(self, '_call'):
self._call.stop()
del self._call
s = Settings.get_instance()
s['paused_file_transfers'] = dict(self._paused_file_transfers) if s['resend_files'] else {}
s.save()
# -----------------------------------------------------------------------------------------------------------------
# File transfers support
# -----------------------------------------------------------------------------------------------------------------
def incoming_file_transfer(self, friend_number, file_number, size, file_name):
"""
New transfer
:param friend_number: number of friend who sent file
:param file_number: file number
:param size: file size in bytes
:param file_name: file name without path
"""
settings = Settings.get_instance()
friend = self.get_friend_by_number(friend_number)
auto = settings['allow_auto_accept'] and friend.tox_id in settings['auto_accept_from_friends']
inline = is_inline(file_name) and settings['allow_inline']
file_id = self._tox.file_get_file_id(friend_number, file_number)
accepted = True
if file_id in self._paused_file_transfers:
data = self._paused_file_transfers[file_id]
pos = data[-1] if os.path.exists(data[0]) else 0
if pos >= size:
self._tox.file_control(friend_number, file_number, TOX_FILE_CONTROL['CANCEL'])
return
self._tox.file_seek(friend_number, file_number, pos)
self.accept_transfer(None, data[0], friend_number, file_number, size, False, pos)
tm = TransferMessage(MESSAGE_OWNER['FRIEND'],
time.time(),
TOX_FILE_TRANSFER_STATE['RUNNING'],
size,
file_name,
friend_number,
file_number)
elif inline and size < 1024 * 1024:
self.accept_transfer(None, '', friend_number, file_number, size, True)
tm = TransferMessage(MESSAGE_OWNER['FRIEND'],
time.time(),
TOX_FILE_TRANSFER_STATE['RUNNING'],
size,
file_name,
friend_number,
file_number)
elif auto:
path = settings['auto_accept_path'] or curr_directory()
self.accept_transfer(None, path + '/' + file_name, friend_number, file_number, size)
tm = TransferMessage(MESSAGE_OWNER['FRIEND'],
time.time(),
TOX_FILE_TRANSFER_STATE['RUNNING'],
size,
file_name,
friend_number,
file_number)
else:
tm = TransferMessage(MESSAGE_OWNER['FRIEND'],
time.time(),
TOX_FILE_TRANSFER_STATE['INCOMING_NOT_STARTED'],
size,
file_name,
friend_number,
file_number)
accepted = False
if friend_number == self.get_active_number() and self.is_active_a_friend():
item = self.create_file_transfer_item(tm)
if accepted:
self._file_transfers[(friend_number, file_number)].set_state_changed_handler(item.update_transfer_state)
self._messages.scrollToBottom()
else:
friend.actions = True
friend.append_message(tm)
def cancel_transfer(self, friend_number, file_number, already_cancelled=False):
"""
Stop transfer
:param friend_number: number of friend
:param file_number: file number
:param already_cancelled: was cancelled by friend
"""
i = self.get_friend_by_number(friend_number).update_transfer_data(file_number,
TOX_FILE_TRANSFER_STATE['CANCELLED'])
if (friend_number, file_number) in self._file_transfers:
tr = self._file_transfers[(friend_number, file_number)]
if not already_cancelled:
tr.cancel()
else:
tr.cancelled()
if (friend_number, file_number) in self._file_transfers:
del tr
del self._file_transfers[(friend_number, file_number)]
else:
if not already_cancelled:
self._tox.file_control(friend_number, file_number, TOX_FILE_CONTROL['CANCEL'])
if friend_number == self.get_active_number() and self.is_active_a_friend():
tmp = self._messages.count() + i
if tmp >= 0:
self._messages.itemWidget(
self._messages.item(tmp)).update_transfer_state(TOX_FILE_TRANSFER_STATE['CANCELLED'],
0, -1)
def cancel_not_started_transfer(self, cancel_time):
self.get_curr_friend().delete_one_unsent_file(cancel_time)
self.update()
def pause_transfer(self, friend_number, file_number, by_friend=False):
"""
Pause transfer with specified data
"""
tr = self._file_transfers[(friend_number, file_number)]
tr.pause(by_friend)
t = TOX_FILE_TRANSFER_STATE['PAUSED_BY_FRIEND'] if by_friend else TOX_FILE_TRANSFER_STATE['PAUSED_BY_USER']
self.get_friend_by_number(friend_number).update_transfer_data(file_number, t)
def resume_transfer(self, friend_number, file_number, by_friend=False):
"""
Resume transfer with specified data
"""
self.get_friend_by_number(friend_number).update_transfer_data(file_number,
TOX_FILE_TRANSFER_STATE['RUNNING'])
tr = self._file_transfers[(friend_number, file_number)]
if by_friend:
tr.state = TOX_FILE_TRANSFER_STATE['RUNNING']
tr.signal()
else:
tr.send_control(TOX_FILE_CONTROL['RESUME'])
def accept_transfer(self, item, path, friend_number, file_number, size, inline=False, from_position=0):
"""
:param item: transfer item.
:param path: path for saving
:param friend_number: friend number
:param file_number: file number
:param size: file size
:param inline: is inline image
:param from_position: position for start
"""
path, file_name = os.path.split(path)
new_file_name, i = file_name, 1
if not from_position:
while os.path.isfile(path + '/' + new_file_name): # file with same name already exists
if '.' in file_name: # has extension
d = file_name.rindex('.')
else: # no extension
d = len(file_name)
new_file_name = file_name[:d] + ' ({})'.format(i) + file_name[d:]
i += 1
path = os.path.join(path, new_file_name)
if not inline:
rt = ReceiveTransfer(path, self._tox, friend_number, size, file_number, from_position)
else:
rt = ReceiveToBuffer(self._tox, friend_number, size, file_number)
rt.set_transfer_finished_handler(self.transfer_finished)
self._file_transfers[(friend_number, file_number)] = rt
self._tox.file_control(friend_number, file_number, TOX_FILE_CONTROL['RESUME'])
if item is not None:
rt.set_state_changed_handler(item.update_transfer_state)
self.get_friend_by_number(friend_number).update_transfer_data(file_number,
TOX_FILE_TRANSFER_STATE['RUNNING'])
def send_screenshot(self, data):
"""
Send screenshot to current active friend
:param data: raw data - png
"""
self.send_inline(data, 'toxygen_inline.png')
self._messages.repaint()
def send_sticker(self, path):
with open(path, 'rb') as fl:
data = fl.read()
self.send_inline(data, 'sticker.png')
def send_inline(self, data, file_name, friend_number=None, is_resend=False):
friend_number = friend_number or self.get_active_number()
friend = self.get_friend_by_number(friend_number)
if friend.status is None and not is_resend:
m = UnsentFile(file_name, data, time.time())
friend.append_message(m)
self.update()
return
elif friend.status is None and is_resend:
raise RuntimeError()
st = SendFromBuffer(self._tox, friend.number, data, file_name)
st.set_transfer_finished_handler(self.transfer_finished)
self._file_transfers[(friend.number, st.get_file_number())] = st
tm = TransferMessage(MESSAGE_OWNER['ME'],
time.time(),
TOX_FILE_TRANSFER_STATE['OUTGOING_NOT_STARTED'],
len(data),
file_name,
friend.number,
st.get_file_number())
friend.append_message(tm)
if friend_number == self.get_active_number():
item = self.create_file_transfer_item(tm)
st.set_state_changed_handler(item.update_transfer_state)
self._messages.scrollToBottom()
def send_file(self, path, number=None, is_resend=False, file_id=None):
"""
Send file to current active friend
:param path: file path
:param number: friend_number
:param is_resend: is 'offline' message
:param file_id: file id of transfer
"""
friend_number = self.get_active_number() if number is None else number
friend = self.get_friend_by_number(friend_number)
if friend.status is None and not is_resend:
m = UnsentFile(path, None, time.time())
friend.append_message(m)
self.update()
return
elif friend.status is None and is_resend:
print('Error in sending')
raise RuntimeError()
st = SendTransfer(path, self._tox, friend_number, TOX_FILE_KIND['DATA'], file_id)
st.set_transfer_finished_handler(self.transfer_finished)
self._file_transfers[(friend_number, st.get_file_number())] = st
tm = TransferMessage(MESSAGE_OWNER['ME'],
time.time(),
TOX_FILE_TRANSFER_STATE['OUTGOING_NOT_STARTED'],
os.path.getsize(path),
os.path.basename(path),
friend_number,
st.get_file_number())
if friend_number == self.get_active_number():
item = self.create_file_transfer_item(tm)
st.set_state_changed_handler(item.update_transfer_state)
self._messages.scrollToBottom()
self._contacts[friend_number].append_message(tm)
def incoming_chunk(self, friend_number, file_number, position, data):
"""
Incoming chunk
"""
self._file_transfers[(friend_number, file_number)].write_chunk(position, data)
def outgoing_chunk(self, friend_number, file_number, position, size):
"""
Outgoing chunk
"""
self._file_transfers[(friend_number, file_number)].send_chunk(position, size)
def transfer_finished(self, friend_number, file_number):
transfer = self._file_transfers[(friend_number, file_number)]
t = type(transfer)
if t is ReceiveAvatar:
self.get_friend_by_number(friend_number).load_avatar()
if friend_number == self.get_active_number() and self.is_active_a_friend():
self.set_active(None)
elif t is ReceiveToBuffer or (t is SendFromBuffer and Settings.get_instance()['allow_inline']): # inline image
print('inline')
inline = InlineImage(transfer.get_data())
i = self.get_friend_by_number(friend_number).update_transfer_data(file_number,
TOX_FILE_TRANSFER_STATE['FINISHED'],
inline)
if friend_number == self.get_active_number() and self.is_active_a_friend():
count = self._messages.count()
if count + i + 1 >= 0:
elem = QtWidgets.QListWidgetItem()
item = InlineImageItem(transfer.get_data(), self._messages.width(), elem)
elem.setSizeHint(QtCore.QSize(self._messages.width(), item.height()))
self._messages.insertItem(count + i + 1, elem)
self._messages.setItemWidget(elem, item)
self._messages.scrollToBottom()
elif t is not SendAvatar:
self.get_friend_by_number(friend_number).update_transfer_data(file_number,
TOX_FILE_TRANSFER_STATE['FINISHED'])
del self._file_transfers[(friend_number, file_number)]
del transfer
# -----------------------------------------------------------------------------------------------------------------
# Avatars support
# -----------------------------------------------------------------------------------------------------------------
def send_avatar(self, friend_number):
"""
:param friend_number: number of friend who should get new avatar
"""
avatar_path = (ProfileHelper.get_path() + 'avatars/{}.png').format(self._tox_id[:TOX_PUBLIC_KEY_SIZE * 2])
if not os.path.isfile(avatar_path): # reset image
avatar_path = None
sa = SendAvatar(avatar_path, self._tox, friend_number)
self._file_transfers[(friend_number, sa.get_file_number())] = sa
def incoming_avatar(self, friend_number, file_number, size):
"""
Friend changed avatar
:param friend_number: friend number
:param file_number: file number
:param size: size of avatar or 0 (default avatar)
"""
ra = ReceiveAvatar(self._tox, friend_number, size, file_number)
if ra.state != TOX_FILE_TRANSFER_STATE['CANCELLED']:
self._file_transfers[(friend_number, file_number)] = ra
ra.set_transfer_finished_handler(self.transfer_finished)
else:
self.get_friend_by_number(friend_number).load_avatar()
if self.get_active_number() == friend_number and self.is_active_a_friend():
self.set_active(None)
def reset_avatar(self):
super(Profile, self).reset_avatar()
for friend in filter(lambda x: x.status is not None, self._contacts):
self.send_avatar(friend.number)
def set_avatar(self, data):
super(Profile, self).set_avatar(data)
for friend in filter(lambda x: x.status is not None, self._contacts):
self.send_avatar(friend.number)
# -----------------------------------------------------------------------------------------------------------------
# AV support
# -----------------------------------------------------------------------------------------------------------------
def get_call(self):
return self._call
call = property(get_call)
def call_click(self, audio=True, video=False):
"""User clicked audio button in main window"""
num = self.get_active_number()
if not self.is_active_a_friend():
return
if num not in self._call and self.is_active_online(): # start call
if not Settings.get_instance().audio['enabled']:
return
self._call(num, audio, video)
self._screen.active_call()
if video:
text = QtWidgets.QApplication.translate("incoming_call", "Outgoing video call")
else:
text = QtWidgets.QApplication.translate("incoming_call", "Outgoing audio call")
self.get_curr_friend().append_message(InfoMessage(text, time.time()))
self.create_message_item(text, time.time(), '', MESSAGE_TYPE['INFO_MESSAGE'])
self._messages.scrollToBottom()
elif num in self._call: # finish or cancel call if you call with active friend
self.stop_call(num, False)
def incoming_call(self, audio, video, friend_number):
"""
Incoming call from friend.
"""
if not Settings.get_instance().audio['enabled']:
return
friend = self.get_friend_by_number(friend_number)
if video:
text = QtWidgets.QApplication.translate("incoming_call", "Incoming video call")
else:
text = QtWidgets.QApplication.translate("incoming_call", "Incoming audio call")
friend.append_message(InfoMessage(text, time.time()))
self._incoming_calls.add(friend_number)
if friend_number == self.get_active_number():
self._screen.incoming_call()
self.create_message_item(text, time.time(), '', MESSAGE_TYPE['INFO_MESSAGE'])
self._messages.scrollToBottom()
else:
friend.actions = True
self._call_widgets[friend_number] = avwidgets.IncomingCallWidget(friend_number, text, friend.name)
self._call_widgets[friend_number].set_pixmap(friend.get_pixmap())
self._call_widgets[friend_number].show()
def accept_call(self, friend_number, audio, video):
"""
Accept incoming call with audio or video
"""
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]
def stop_call(self, friend_number, by_friend):
"""
Stop call with friend
"""
if friend_number in self._incoming_calls:
self._incoming_calls.remove(friend_number)
text = QtWidgets.QApplication.translate("incoming_call", "Call declined")
else:
text = QtWidgets.QApplication.translate("incoming_call", "Call finished")
self._screen.call_finished()
is_video = self._call.is_video_call(friend_number)
self._call.finish_call(friend_number, by_friend) # finish or decline call
if hasattr(self, '_call_widget'):
self._call_widget[friend_number].close()
del self._call_widget[friend_number]
def destroy_window():
if is_video:
cv2.destroyWindow(str(friend_number))
threading.Timer(2.0, destroy_window).start()
friend = self.get_friend_by_number(friend_number)
friend.append_message(InfoMessage(text, time.time()))
if friend_number == self.get_active_number():
self.create_message_item(text, time.time(), '', MESSAGE_TYPE['INFO_MESSAGE'])
self._messages.scrollToBottom()
# -----------------------------------------------------------------------------------------------------------------
# GC support
# -----------------------------------------------------------------------------------------------------------------
def is_active_a_friend(self):
return type(self.get_curr_friend()) is Friend
def get_group_by_number(self, number):
groups = filter(lambda x: type(x) is GroupChat and x.number == number, self._contacts)
return list(groups)[0]
def add_gc(self, number):
if number == -1:
return
widget = self.create_friend_item()
gc = GroupChat('Group chat #' + str(number), '', widget, self._tox, number)
self._contacts.append(gc)
def create_group_chat(self):
number = self._tox.add_av_groupchat()
self.add_gc(number)
def leave_gc(self, num):
gc = self._contacts[num]
self._tox.del_groupchat(gc.number)
del self._contacts[num]
self._screen.friends_list.takeItem(num)
if num == self._active_friend: # active friend was deleted
if not len(self._contacts): # last friend was deleted
self.set_active(-1)
else:
self.set_active(0)
def group_invite(self, friend_number, gc_type, data):
text = QtWidgets.QApplication.translate('MainWindow', 'User {} invites you to group chat. Accept?')
title = QtWidgets.QApplication.translate('MainWindow', 'Group chat invite')
friend = self.get_friend_by_number(friend_number)
reply = QtWidgets.QMessageBox.question(None, title, text.format(friend.name), QtWidgets.QMessageBox.Yes, QtWidgets.QMessageBox.No)
if reply == QtWidgets.QMessageBox.Yes: # accepted
if gc_type == TOX_GROUPCHAT_TYPE['TEXT']:
number = self._tox.join_groupchat(friend_number, data)
else:
number = self._tox.join_av_groupchat(friend_number, data)
self.add_gc(number)
def new_gc_message(self, group_number, peer_number, message_type, message):
name = self._tox.group_peername(group_number, peer_number)
message_type += 5
if group_number == self.get_active_number() and not self.is_active_a_friend(): # add message to list
t = time.time()
self.create_gc_message_item(message, t, MESSAGE_OWNER['FRIEND'], name, message_type)
self._messages.scrollToBottom()
self.get_curr_friend().append_message(
GroupChatMessage(message, MESSAGE_OWNER['FRIEND'], t, message_type, name))
else:
gc = self.get_group_by_number(group_number)
gc.inc_messages()
gc.append_message(
GroupChatMessage(message, MESSAGE_OWNER['FRIEND'], time.time(), message_type, name))
if not gc.visibility:
self.update_filtration()
def new_gc_title(self, group_number, title):
gc = self.get_group_by_number(group_number)
gc.new_title(title)
if not self.is_active_a_friend() and self.get_active_number() == group_number:
self.update()
def update_gc(self, group_number):
count = self._tox.group_number_peers(group_number)
gc = self.get_group_by_number(group_number)
text = QtWidgets.QApplication.translate('MainWindow', '{} users in chat')
gc.status_message = text.format(str(count)).encode('utf-8')
if not self.is_active_a_friend() and self.get_active_number() == group_number:
self.update()
def send_gc_message(self, text):
group_number = self.get_active_number()
if text.startswith('/me '):
text = text[4:]
self._tox.group_action_send(group_number, text.encode('utf-8'))
else:
self._tox.group_message_send(group_number, text.encode('utf-8'))
self._screen.messageEdit.clear()
def set_title(self, num):
"""
Set new title for gc
"""
gc = self._contacts[num]
name = gc.name
dialog = QtWidgets.QApplication.translate('MainWindow',
"Enter new title for group {}:")
dialog = dialog.format(name)
title = QtWidgets.QApplication.translate('MainWindow',
'Set title')
text, ok = QtWidgets.QInputDialog.getText(None,
title,
dialog,
QtWidgets.QLineEdit.Normal,
name)
if ok:
text = text.encode('utf-8')
self._tox.group_set_title(gc.number, text)
self.new_gc_title(gc.number, text)
def get_group_chats(self):
chats = filter(lambda x: type(x) is GroupChat, self._contacts)
chats = map(lambda c: (c.name, c.number), chats)
return list(chats)
def invite_friend(self, friend_num, group_number):
friend = self._contacts[friend_num]
self._tox.invite_friend(friend.number, group_number)
def get_gc_peer_name(self, text):
gc = self.get_curr_friend()
if type(gc) is not GroupChat:
return '\t'
names = gc.get_names()
name = re.split("\s+", text)[-1]
suggested_names = list(filter(lambda x: x.startswith(name), names))
if not len(suggested_names):
return '\t'
return suggested_names[0][len(name):] + ': '
def tox_factory(data=None, settings=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:
settings = Settings.get_default_settings()
tox_options = Tox.options_new()
# see <https://github.com/irungentoo/toxcore/blob/master/toxcore/tox.h> lines 393-401
tox_options.contents.ipv6_enabled = settings['ipv6_enabled']
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']
if data: # load existing profile
tox_options.contents.savedata_type = TOX_SAVEDATA_TYPE['TOX_SAVE']
tox_options.contents.savedata_data = c_char_p(data)
tox_options.contents.savedata_length = len(data)
else: # create new profile
tox_options.contents.savedata_type = TOX_SAVEDATA_TYPE['NONE']
tox_options.contents.savedata_data = None
tox_options.contents.savedata_length = 0
return Tox(tox_options)