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preventing avatars corrupt

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This commit is contained in:
ingvar1995 2016-04-28 22:57:32 +03:00
parent 12d2ee52dc
commit 8621782c8e
1 changed files with 17 additions and 9 deletions
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26
src/file_transfers.py
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@ -1,6 +1,6 @@
from toxcore_enums_and_consts import TOX_FILE_KIND, TOX_FILE_CONTROL
from os.path import basename, getsize, exists
from os import remove, chdir
from os import remove, rename
from time import time, sleep
from tox import Tox
import settings
@ -149,9 +149,8 @@ class ReceiveTransfer(FileTransfer):
def __init__(self, path, tox, friend_number, size, file_number):
super(ReceiveTransfer, self).__init__(path, tox, friend_number, size, file_number)
if type(self) is not ReceiveAvatar:
self._file = open(self._path, 'wb')
self._file.truncate(0)
self._file = open(self._path, 'wb')
self._file.truncate(0)
self._file_size = 0
def cancel(self):
@ -220,15 +219,17 @@ class ReceiveAvatar(ReceiveTransfer):
def __init__(self, tox, friend_number, size, file_number):
path = settings.ProfileHelper.get_path() + 'avatars/{}.png'.format(tox.friend_get_public_key(friend_number))
super(ReceiveAvatar, self).__init__(path, tox, friend_number, size, file_number)
super(ReceiveAvatar, self).__init__(path + '.tmp', tox, friend_number, size, file_number)
if size > self.MAX_AVATAR_SIZE:
self.send_control(TOX_FILE_CONTROL['CANCEL'])
remove(path + '.tmp')
elif exists(path):
if not size:
self.send_control(TOX_FILE_CONTROL['CANCEL'])
self.state = TOX_FILE_TRANSFER_STATE['CANCELED']
self._file.close()
remove(path)
remove(path + '.tmp')
else:
hash = self.get_file_id()
with open(path) as fl:
@ -237,11 +238,18 @@ class ReceiveAvatar(ReceiveTransfer):
if hash == existing_hash:
self.send_control(TOX_FILE_CONTROL['CANCEL'])
self.state = TOX_FILE_TRANSFER_STATE['CANCELED']
remove(path + '.tmp')
else:
self._file = open(self._path, 'wb')
self._file.truncate(0)
self.send_control(TOX_FILE_CONTROL['RESUME'])
else:
self._file = open(self._path, 'wb')
self._file.truncate(0)
self.send_control(TOX_FILE_CONTROL['RESUME'])
def write_chunk(self, position, data):
super(ReceiveAvatar, self).write_chunk(position, data)
if self.state:
avatar_path = self._path[:-4]
if exists(avatar_path):
remove(avatar_path)
rename(self._path, avatar_path)