351 lines
17 KiB
Python
351 lines
17 KiB
Python
from file_transfers.file_transfers import *
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from messenger.messages import *
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from history.database import MESSAGE_AUTHOR
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from ui.list_items import *
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from PyQt5 import QtWidgets
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import util.util as util
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class FileTransfersHandler:
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def __init__(self, tox, settings, contact_provider):
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self._tox = tox
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self._settings = settings
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self._contact_provider = contact_provider
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self._file_transfers = {}
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# key = (friend number, file number), value - transfer instance
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self._paused_file_transfers = dict(settings['paused_file_transfers'])
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# key - file id, value: [path, friend number, is incoming, start position]
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def __del__(self):
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self._settings['paused_file_transfers'] = self._paused_file_transfers if self._settings['resend_files'] else {}
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self._settings.save()
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# -----------------------------------------------------------------------------------------------------------------
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# File transfers support
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# -----------------------------------------------------------------------------------------------------------------
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def incoming_file_transfer(self, friend_number, file_number, size, file_name):
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"""
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New transfer
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:param friend_number: number of friend who sent file
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:param file_number: file number
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:param size: file size in bytes
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:param file_name: file name without path
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"""
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friend = self._get_friend_by_number(friend_number)
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auto = self._settings['allow_auto_accept'] and friend.tox_id in self._settings['auto_accept_from_friends']
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inline = is_inline(file_name) and self._settings['allow_inline']
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file_id = self._tox.file_get_file_id(friend_number, file_number)
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accepted = True
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if file_id in self._paused_file_transfers:
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data = self._paused_file_transfers[file_id]
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pos = data[-1] if os.path.exists(data[0]) else 0
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if pos >= size:
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self._tox.file_control(friend_number, file_number, TOX_FILE_CONTROL['CANCEL'])
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return
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self._tox.file_seek(friend_number, file_number, pos)
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self.accept_transfer(None, data[0], friend_number, file_number, size, False, pos)
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tm = TransferMessage(MESSAGE_AUTHOR['FRIEND'],
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time.time(),
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TOX_FILE_TRANSFER_STATE['RUNNING'],
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size,
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file_name,
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friend_number,
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file_number)
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elif inline and size < 1024 * 1024:
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self.accept_transfer(None, '', friend_number, file_number, size, True)
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tm = TransferMessage(MESSAGE_AUTHOR['FRIEND'],
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time.time(),
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TOX_FILE_TRANSFER_STATE['RUNNING'],
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size,
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file_name,
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friend_number,
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file_number)
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elif auto:
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path = self._settings['auto_accept_path'] or util.curr_directory()
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self.accept_transfer(None, path + '/' + file_name, friend_number, file_number, size)
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tm = TransferMessage(MESSAGE_AUTHOR['FRIEND'],
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time.time(),
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TOX_FILE_TRANSFER_STATE['RUNNING'],
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size,
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file_name,
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friend_number,
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file_number)
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else:
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tm = TransferMessage(MESSAGE_AUTHOR['FRIEND'],
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time.time(),
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TOX_FILE_TRANSFER_STATE['INCOMING_NOT_STARTED'],
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size,
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file_name,
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friend_number,
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file_number)
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accepted = False
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if friend_number == self.get_active_number() and self.is_active_a_friend():
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item = self.create_file_transfer_item(tm)
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if accepted:
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self._file_transfers[(friend_number, file_number)].set_state_changed_handler(item.update_transfer_state)
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self._messages.scrollToBottom()
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else:
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friend.actions = True
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friend.append_message(tm)
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def cancel_transfer(self, friend_number, file_number, already_cancelled=False):
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"""
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Stop transfer
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:param friend_number: number of friend
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:param file_number: file number
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:param already_cancelled: was cancelled by friend
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"""
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i = self._get_friend_by_number(friend_number).update_transfer_data(file_number,
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TOX_FILE_TRANSFER_STATE['CANCELLED'])
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if (friend_number, file_number) in self._file_transfers:
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tr = self._file_transfers[(friend_number, file_number)]
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if not already_cancelled:
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tr.cancel()
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else:
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tr.cancelled()
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if (friend_number, file_number) in self._file_transfers:
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del tr
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del self._file_transfers[(friend_number, file_number)]
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else:
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if not already_cancelled:
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self._tox.file_control(friend_number, file_number, TOX_FILE_CONTROL['CANCEL'])
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if friend_number == self.get_active_number() and self.is_active_a_friend():
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tmp = self._messages.count() + i
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if tmp >= 0:
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self._messages.itemWidget(
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self._messages.item(tmp)).update_transfer_state(TOX_FILE_TRANSFER_STATE['CANCELLED'],
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0, -1)
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def cancel_not_started_transfer(self, cancel_time):
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self.get_curr_friend().delete_one_unsent_file(cancel_time)
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self.update()
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def pause_transfer(self, friend_number, file_number, by_friend=False):
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"""
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Pause transfer with specified data
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"""
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tr = self._file_transfers[(friend_number, file_number)]
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tr.pause(by_friend)
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t = TOX_FILE_TRANSFER_STATE['PAUSED_BY_FRIEND'] if by_friend else TOX_FILE_TRANSFER_STATE['PAUSED_BY_USER']
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self._get_friend_by_number(friend_number).update_transfer_data(file_number, t)
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def resume_transfer(self, friend_number, file_number, by_friend=False):
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"""
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Resume transfer with specified data
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"""
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# self.get_friend_by_number(friend_number).update_transfer_data(file_number,
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# TOX_FILE_TRANSFER_STATE['RUNNING'])
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tr = self._file_transfers[(friend_number, file_number)]
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if by_friend:
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tr.state = TOX_FILE_TRANSFER_STATE['RUNNING']
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tr.signal()
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else:
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tr.send_control(TOX_FILE_CONTROL['RESUME'])
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def accept_transfer(self, item, path, friend_number, file_number, size, inline=False, from_position=0):
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"""
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:param item: transfer item.
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:param path: path for saving
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:param friend_number: friend number
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:param file_number: file number
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:param size: file size
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:param inline: is inline image
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:param from_position: position for start
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"""
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path, file_name = os.path.split(path)
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new_file_name, i = file_name, 1
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if not from_position:
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while os.path.isfile(path + '/' + new_file_name): # file with same name already exists
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if '.' in file_name: # has extension
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d = file_name.rindex('.')
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else: # no extension
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d = len(file_name)
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new_file_name = file_name[:d] + ' ({})'.format(i) + file_name[d:]
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i += 1
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path = os.path.join(path, new_file_name)
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if not inline:
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rt = ReceiveTransfer(path, self._tox, friend_number, size, file_number, from_position)
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else:
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rt = ReceiveToBuffer(self._tox, friend_number, size, file_number)
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rt.set_transfer_finished_handler(self.transfer_finished)
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self._file_transfers[(friend_number, file_number)] = rt
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self._tox.file_control(friend_number, file_number, TOX_FILE_CONTROL['RESUME'])
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if item is not None:
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rt.set_state_changed_handler(item.update_transfer_state)
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self._get_friend_by_number(friend_number).update_transfer_data(file_number,
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TOX_FILE_TRANSFER_STATE['RUNNING'])
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def send_screenshot(self, data):
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"""
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Send screenshot to current active friend
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:param data: raw data - png
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"""
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self.send_inline(data, 'toxygen_inline.png')
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def send_sticker(self, path):
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with open(path, 'rb') as fl:
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data = fl.read()
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self.send_inline(data, 'sticker.png')
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def send_inline(self, data, file_name, friend_number=None, is_resend=False):
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friend_number = friend_number or self.get_active_number()
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friend = self._get_friend_by_number(friend_number)
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if friend.status is None and not is_resend:
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m = UnsentFile(file_name, data, time.time())
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friend.append_message(m)
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self.update()
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return
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elif friend.status is None and is_resend:
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raise RuntimeError()
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st = SendFromBuffer(self._tox, friend.number, data, file_name)
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st.set_transfer_finished_handler(self.transfer_finished)
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self._file_transfers[(friend.number, st.get_file_number())] = st
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tm = TransferMessage(MESSAGE_AUTHOR['ME'],
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time.time(),
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TOX_FILE_TRANSFER_STATE['OUTGOING_NOT_STARTED'],
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len(data),
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file_name,
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friend.number,
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st.get_file_number())
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item = self.create_file_transfer_item(tm)
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friend.append_message(tm)
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st.set_state_changed_handler(item.update_transfer_state)
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self._messages.scrollToBottom()
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def send_file(self, path, number=None, is_resend=False, file_id=None):
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"""
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Send file to current active friend
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:param path: file path
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:param number: friend_number
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:param is_resend: is 'offline' message
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:param file_id: file id of transfer
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"""
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friend_number = self.get_active_number() if number is None else number
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friend = self._get_friend_by_number(friend_number)
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if friend.status is None and not is_resend:
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m = UnsentFile(path, None, time.time())
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friend.append_message(m)
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self.update()
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return
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elif friend.status is None and is_resend:
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print('Error in sending')
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raise RuntimeError()
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st = SendTransfer(path, self._tox, friend_number, TOX_FILE_KIND['DATA'], file_id)
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st.set_transfer_finished_handler(self.transfer_finished)
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self._file_transfers[(friend_number, st.get_file_number())] = st
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tm = TransferMessage(MESSAGE_AUTHOR['ME'],
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time.time(),
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TOX_FILE_TRANSFER_STATE['OUTGOING_NOT_STARTED'],
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os.path.getsize(path),
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os.path.basename(path),
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friend_number,
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st.get_file_number())
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if friend_number == self.get_active_number():
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item = self.create_file_transfer_item(tm)
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st.set_state_changed_handler(item.update_transfer_state)
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self._messages.scrollToBottom()
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self._contacts[friend_number].append_message(tm)
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def incoming_chunk(self, friend_number, file_number, position, data):
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"""
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Incoming chunk
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"""
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self._file_transfers[(friend_number, file_number)].write_chunk(position, data)
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def outgoing_chunk(self, friend_number, file_number, position, size):
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"""
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Outgoing chunk
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"""
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self._file_transfers[(friend_number, file_number)].send_chunk(position, size)
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def transfer_finished(self, friend_number, file_number):
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transfer = self._file_transfers[(friend_number, file_number)]
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t = type(transfer)
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if t is ReceiveAvatar:
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self._get_friend_by_number(friend_number).load_avatar()
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if friend_number == self.get_active_number() and self.is_active_a_friend():
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self.set_active(None)
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elif t is ReceiveToBuffer or (t is SendFromBuffer and self._settings['allow_inline']): # inline image
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print('inline')
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inline = InlineImage(transfer.get_data())
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i = self._get_friend_by_number(friend_number).update_transfer_data(file_number,
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TOX_FILE_TRANSFER_STATE['FINISHED'],
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inline)
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if friend_number == self.get_active_number() and self.is_active_a_friend():
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count = self._messages.count()
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if count + i + 1 >= 0:
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elem = QtWidgets.QListWidgetItem()
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item = InlineImageItem(transfer.get_data(), self._messages.width(), elem)
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elem.setSizeHint(QtCore.QSize(self._messages.width(), item.height()))
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self._messages.insertItem(count + i + 1, elem)
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self._messages.setItemWidget(elem, item)
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self._messages.scrollToBottom()
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elif t is not SendAvatar:
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self._get_friend_by_number(friend_number).update_transfer_data(file_number,
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TOX_FILE_TRANSFER_STATE['FINISHED'])
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del self._file_transfers[(friend_number, file_number)]
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del transfer
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def send_files(self, friend_number):
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friend = self._get_friend_by_number(friend_number)
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friend.remove_invalid_unsent_files()
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files = friend.get_unsent_files()
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try:
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for fl in files:
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data = fl.get_data()
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if data[1] is not None:
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self.send_inline(data[1], data[0], friend_number, True)
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else:
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self.send_file(data[0], friend_number, True)
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friend.clear_unsent_files()
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for key in list(self._paused_file_transfers.keys()):
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data = self._paused_file_transfers[key]
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if not os.path.exists(data[0]):
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del self._paused_file_transfers[key]
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elif data[1] == friend_number and not data[2]:
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self.send_file(data[0], friend_number, True, key)
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del self._paused_file_transfers[key]
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if friend_number == self.get_active_number() and self.is_active_a_friend():
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self.update()
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except Exception as ex:
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print('Exception in file sending: ' + str(ex))
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# -----------------------------------------------------------------------------------------------------------------
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# Avatars support
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# -----------------------------------------------------------------------------------------------------------------
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def send_avatar(self, friend_number, avatar_path=None):
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"""
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:param friend_number: number of friend who should get new avatar
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:param avatar_path: path to avatar or None if reset
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"""
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sa = SendAvatar(avatar_path, self._tox, friend_number)
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self._file_transfers[(friend_number, sa.get_file_number())] = sa
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def incoming_avatar(self, friend_number, file_number, size):
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"""
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Friend changed avatar
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:param friend_number: friend number
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:param file_number: file number
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:param size: size of avatar or 0 (default avatar)
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"""
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ra = ReceiveAvatar(self._tox, friend_number, size, file_number)
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if ra.state != TOX_FILE_TRANSFER_STATE['CANCELLED']:
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self._file_transfers[(friend_number, file_number)] = ra
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ra.set_transfer_finished_handler(self.transfer_finished)
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else:
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self._get_friend_by_number(friend_number).load_avatar()
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if self.get_active_number() == friend_number and self.is_active_a_friend():
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self.set_active(None)
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# -----------------------------------------------------------------------------------------------------------------
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# Private methods
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# -----------------------------------------------------------------------------------------------------------------
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def _get_friend_by_number(self, friend_number):
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return self._contact_provider.get_friend_by_number(friend_number)
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