mirror of
https://github.com/onionshare/onionshare.git
synced 2024-10-01 01:35:40 -04:00
458 lines
19 KiB
Python
458 lines
19 KiB
Python
# -*- coding: utf-8 -*-
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"""
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OnionShare | https://onionshare.org/
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Copyright (C) 2014-2018 Micah Lee <micah@micahflee.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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import os
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import threading
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import time
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from PyQt5 import QtCore, QtWidgets, QtGui
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from onionshare import strings
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from onionshare.common import Common, ShutdownTimer
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from onionshare.onion import *
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from .file_selection import FileSelection
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from .server_status import ServerStatus
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from .downloads import Downloads
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from .onion_thread import OnionThread
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class ShareMode(QtWidgets.QWidget):
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"""
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Parts of the main window UI for sharing files.
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"""
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start_server_finished = QtCore.pyqtSignal()
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stop_server_finished = QtCore.pyqtSignal()
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starting_server_step2 = QtCore.pyqtSignal()
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starting_server_step3 = QtCore.pyqtSignal()
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starting_server_error = QtCore.pyqtSignal(str)
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set_server_active = QtCore.pyqtSignal(bool)
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def __init__(self, common, filenames, qtapp, app, web, status_bar, server_share_status_label):
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super(ShareMode, self).__init__()
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self.common = common
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self.qtapp = qtapp
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self.app = app
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self.web = web
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self.status_bar = status_bar
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self.server_share_status_label = server_share_status_label
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# File selection
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self.file_selection = FileSelection(self.common)
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if filenames:
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for filename in filenames:
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self.file_selection.file_list.add_file(filename)
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# Server status
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self.server_status = ServerStatus(self.common, self.qtapp, self.app, self.web, self.file_selection)
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self.server_status.server_started.connect(self.file_selection.server_started)
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self.server_status.server_started.connect(self.start_server)
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self.server_status.server_stopped.connect(self.file_selection.server_stopped)
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self.server_status.server_stopped.connect(self.stop_server)
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self.server_status.server_stopped.connect(self.update_primary_action)
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self.server_status.server_canceled.connect(self.cancel_server)
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self.server_status.server_canceled.connect(self.file_selection.server_stopped)
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self.server_status.server_canceled.connect(self.update_primary_action)
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self.start_server_finished.connect(self.server_status.start_server_finished)
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self.stop_server_finished.connect(self.server_status.stop_server_finished)
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self.file_selection.file_list.files_updated.connect(self.server_status.update)
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self.file_selection.file_list.files_updated.connect(self.update_primary_action)
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self.starting_server_step2.connect(self.start_server_step2)
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self.starting_server_step3.connect(self.start_server_step3)
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self.starting_server_error.connect(self.start_server_error)
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# Filesize warning
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self.filesize_warning = QtWidgets.QLabel()
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self.filesize_warning.setWordWrap(True)
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self.filesize_warning.setStyleSheet('padding: 10px 0; font-weight: bold; color: #333333;')
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self.filesize_warning.hide()
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# Downloads
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self.downloads = Downloads(self.common)
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self.downloads_in_progress = 0
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self.downloads_completed = 0
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# Info label along top of screen
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self.info_layout = QtWidgets.QHBoxLayout()
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self.info_label = QtWidgets.QLabel()
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self.info_label.setStyleSheet('QLabel { font-size: 12px; color: #666666; }')
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self.info_show_downloads = QtWidgets.QToolButton()
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self.info_show_downloads.setIcon(QtGui.QIcon(self.common.get_resource_path('images/download_window_gray.png')))
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self.info_show_downloads.setCheckable(True)
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self.info_show_downloads.toggled.connect(self.downloads_toggled)
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self.info_show_downloads.setToolTip(strings._('gui_downloads_window_tooltip', True))
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self.info_in_progress_downloads_count = QtWidgets.QLabel()
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self.info_in_progress_downloads_count.setStyleSheet('QLabel { font-size: 12px; color: #666666; }')
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self.info_completed_downloads_count = QtWidgets.QLabel()
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self.info_completed_downloads_count.setStyleSheet('QLabel { font-size: 12px; color: #666666; }')
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self.update_downloads_completed(self.downloads_in_progress)
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self.update_downloads_in_progress(self.downloads_in_progress)
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self.info_layout.addWidget(self.info_label)
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self.info_layout.addStretch()
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self.info_layout.addWidget(self.info_in_progress_downloads_count)
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self.info_layout.addWidget(self.info_completed_downloads_count)
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self.info_layout.addWidget(self.info_show_downloads)
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self.info_widget = QtWidgets.QWidget()
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self.info_widget.setLayout(self.info_layout)
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self.info_widget.hide()
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# Primary action layout
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primary_action_layout = QtWidgets.QVBoxLayout()
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primary_action_layout.addWidget(self.server_status)
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primary_action_layout.addWidget(self.filesize_warning)
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self.primary_action = QtWidgets.QWidget()
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self.primary_action.setLayout(primary_action_layout)
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self.primary_action.hide()
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self.update_primary_action()
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# Status bar, zip progress bar
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self._zip_progress_bar = None
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# Layout
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layout = QtWidgets.QVBoxLayout()
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layout.addWidget(self.info_widget)
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layout.addLayout(self.file_selection)
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layout.addWidget(self.primary_action)
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self.setLayout(layout)
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# Always start with focus on file selection
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self.file_selection.setFocus()
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def timer_callback(self):
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"""
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This method is called regularly on a timer while share mode is active.
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"""
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# If the auto-shutdown timer has stopped, stop the server
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if self.server_status.status == self.server_status.STATUS_STARTED:
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if self.app.shutdown_timer and self.common.settings.get('shutdown_timeout'):
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if self.timeout > 0:
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now = QtCore.QDateTime.currentDateTime()
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seconds_remaining = now.secsTo(self.server_status.timeout)
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self.server_status.server_button.setText(strings._('gui_stop_server_shutdown_timeout', True).format(seconds_remaining))
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if not self.app.shutdown_timer.is_alive():
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# If there were no attempts to download the share, or all downloads are done, we can stop
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if self.web.download_count == 0 or self.web.done:
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self.server_status.stop_server()
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self.status_bar.clearMessage()
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self.server_share_status_label.setText(strings._('close_on_timeout', True))
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# A download is probably still running - hold off on stopping the share
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else:
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self.status_bar.clearMessage()
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self.server_share_status_label.setText(strings._('timeout_download_still_running', True))
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def update_primary_action(self):
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# Show or hide primary action layout
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file_count = self.file_selection.file_list.count()
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if file_count > 0:
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self.primary_action.show()
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self.info_widget.show()
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# Update the file count in the info label
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total_size_bytes = 0
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for index in range(self.file_selection.file_list.count()):
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item = self.file_selection.file_list.item(index)
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total_size_bytes += item.size_bytes
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total_size_readable = self.common.human_readable_filesize(total_size_bytes)
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if file_count > 1:
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self.info_label.setText(strings._('gui_file_info', True).format(file_count, total_size_readable))
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else:
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self.info_label.setText(strings._('gui_file_info_single', True).format(file_count, total_size_readable))
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else:
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self.primary_action.hide()
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self.info_widget.hide()
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# Resize window
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self.adjustSize()
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def start_server(self):
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"""
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Start the onionshare server. This uses multiple threads to start the Tor onion
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server and the web app.
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"""
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self.common.log('OnionShareGui', 'start_server')
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self.set_server_active.emit(True)
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self.app.set_stealth(self.common.settings.get('use_stealth'))
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# Hide and reset the downloads if we have previously shared
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self.downloads.reset_downloads()
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self.reset_info_counters()
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self.status_bar.clearMessage()
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self.server_share_status_label.setText('')
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# Reset web counters
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self.web.download_count = 0
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self.web.error404_count = 0
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# start the onion service in a new thread
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def start_onion_service(self):
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try:
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self.app.start_onion_service()
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self.starting_server_step2.emit()
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except (TorTooOld, TorErrorInvalidSetting, TorErrorAutomatic, TorErrorSocketPort, TorErrorSocketFile, TorErrorMissingPassword, TorErrorUnreadableCookieFile, TorErrorAuthError, TorErrorProtocolError, BundledTorTimeout, OSError) as e:
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self.starting_server_error.emit(e.args[0])
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return
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self.app.stay_open = not self.common.settings.get('close_after_first_download')
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# start onionshare http service in new thread
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t = threading.Thread(target=self.web.start, args=(self.app.port, self.app.stay_open, self.common.settings.get('slug')))
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t.daemon = True
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t.start()
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# wait for modules in thread to load, preventing a thread-related cx_Freeze crash
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time.sleep(0.2)
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self.common.log('OnionshareGui', 'start_server', 'Starting an onion thread')
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self.t = OnionThread(self.common, function=start_onion_service, kwargs={'self': self})
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self.t.daemon = True
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self.t.start()
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def start_server_step2(self):
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"""
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Step 2 in starting the onionshare server. Zipping up files.
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"""
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self.common.log('OnionShareGui', 'start_server_step2')
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# add progress bar to the status bar, indicating the compressing of files.
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self._zip_progress_bar = ZipProgressBar(0)
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self.filenames = []
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for index in range(self.file_selection.file_list.count()):
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self.filenames.append(self.file_selection.file_list.item(index).filename)
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self._zip_progress_bar.total_files_size = ShareMode._compute_total_size(self.filenames)
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self.status_bar.insertWidget(0, self._zip_progress_bar)
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# prepare the files for sending in a new thread
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def finish_starting_server(self):
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# prepare files to share
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def _set_processed_size(x):
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if self._zip_progress_bar != None:
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self._zip_progress_bar.update_processed_size_signal.emit(x)
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try:
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self.web.set_file_info(self.filenames, processed_size_callback=_set_processed_size)
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self.app.cleanup_filenames.append(self.web.zip_filename)
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self.starting_server_step3.emit()
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# done
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self.start_server_finished.emit()
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except OSError as e:
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self.starting_server_error.emit(e.strerror)
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return
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t = threading.Thread(target=finish_starting_server, kwargs={'self': self})
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t.daemon = True
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t.start()
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def start_server_step3(self):
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"""
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Step 3 in starting the onionshare server. This displays the large filesize
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warning, if applicable.
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"""
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self.common.log('OnionShareGui', 'start_server_step3')
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# Remove zip progress bar
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if self._zip_progress_bar is not None:
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self.status_bar.removeWidget(self._zip_progress_bar)
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self._zip_progress_bar = None
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# warn about sending large files over Tor
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if self.web.zip_filesize >= 157286400: # 150mb
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self.filesize_warning.setText(strings._("large_filesize", True))
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self.filesize_warning.show()
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if self.common.settings.get('shutdown_timeout'):
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# Convert the date value to seconds between now and then
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now = QtCore.QDateTime.currentDateTime()
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self.timeout = now.secsTo(self.server_status.timeout)
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# Set the shutdown timeout value
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if self.timeout > 0:
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self.app.shutdown_timer = ShutdownTimer(self.common, self.timeout)
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self.app.shutdown_timer.start()
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# The timeout has actually already passed since the user clicked Start. Probably the Onion service took too long to start.
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else:
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self.stop_server()
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self.start_server_error(strings._('gui_server_started_after_timeout'))
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def start_server_error(self, error):
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"""
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If there's an error when trying to start the onion service
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"""
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self.common.log('OnionShareGui', 'start_server_error')
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self.set_server_active.emit(False)
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Alert(self.common, error, QtWidgets.QMessageBox.Warning)
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self.server_status.stop_server()
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if self._zip_progress_bar is not None:
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self.status_bar.removeWidget(self._zip_progress_bar)
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self._zip_progress_bar = None
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self.status_bar.clearMessage()
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def cancel_server(self):
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"""
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Cancel the server while it is preparing to start
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"""
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if self.t:
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self.t.quit()
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self.stop_server()
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def stop_server(self):
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"""
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Stop the onionshare server.
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"""
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self.common.log('OnionShareGui', 'stop_server')
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if self.server_status.status != self.server_status.STATUS_STOPPED:
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try:
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self.web.stop(self.app.port)
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except:
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# Probably we had no port to begin with (Onion service didn't start)
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pass
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self.app.cleanup()
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# Remove ephemeral service, but don't disconnect from Tor
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self.onion.cleanup(stop_tor=False)
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self.filesize_warning.hide()
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self.downloads_in_progress = 0
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self.downloads_completed = 0
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self.update_downloads_in_progress(0)
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self.file_selection.file_list.adjustSize()
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self.set_server_active.emit(False)
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self.stop_server_finished.emit()
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def downloads_toggled(self, checked):
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"""
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When the 'Show/hide downloads' button is toggled, show or hide the downloads window.
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"""
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self.common.log('OnionShareGui', 'toggle_downloads')
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if checked:
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self.downloads.downloads_container.show()
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else:
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self.downloads.downloads_container.hide()
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def reset_info_counters(self):
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"""
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Set the info counters back to zero.
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"""
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self.update_downloads_completed(0)
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self.update_downloads_in_progress(0)
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self.info_show_downloads.setIcon(QtGui.QIcon(self.common.get_resource_path('images/download_window_gray.png')))
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self.downloads.no_downloads_label.show()
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self.downloads.downloads_container.resize(self.downloads.downloads_container.sizeHint())
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def update_downloads_completed(self, count):
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"""
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Update the 'Downloads completed' info widget.
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"""
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if count == 0:
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self.info_completed_downloads_image = self.common.get_resource_path('images/download_completed_none.png')
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else:
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self.info_completed_downloads_image = self.common.get_resource_path('images/download_completed.png')
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self.info_completed_downloads_count.setText('<img src="{0:s}" /> {1:d}'.format(self.info_completed_downloads_image, count))
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self.info_completed_downloads_count.setToolTip(strings._('info_completed_downloads_tooltip', True).format(count))
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def update_downloads_in_progress(self, count):
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"""
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Update the 'Downloads in progress' info widget.
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"""
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if count == 0:
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self.info_in_progress_downloads_image = self.common.get_resource_path('images/download_in_progress_none.png')
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else:
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self.info_in_progress_downloads_image = self.common.get_resource_path('images/download_in_progress.png')
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self.info_show_downloads.setIcon(QtGui.QIcon(self.common.get_resource_path('images/download_window_green.png')))
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self.info_in_progress_downloads_count.setText('<img src="{0:s}" /> {1:d}'.format(self.info_in_progress_downloads_image, count))
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self.info_in_progress_downloads_count.setToolTip(strings._('info_in_progress_downloads_tooltip', True).format(count))
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@staticmethod
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def _compute_total_size(filenames):
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total_size = 0
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for filename in filenames:
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if os.path.isfile(filename):
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total_size += os.path.getsize(filename)
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if os.path.isdir(filename):
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total_size += Common.dir_size(filename)
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return total_size
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class ZipProgressBar(QtWidgets.QProgressBar):
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update_processed_size_signal = QtCore.pyqtSignal(int)
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def __init__(self, total_files_size):
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super(ZipProgressBar, self).__init__()
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self.setMaximumHeight(20)
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self.setMinimumWidth(200)
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self.setValue(0)
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self.setFormat(strings._('zip_progress_bar_format'))
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cssStyleData ="""
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QProgressBar {
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border: 1px solid #4e064f;
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background-color: #ffffff !important;
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text-align: center;
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color: #9b9b9b;
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}
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QProgressBar::chunk {
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border: 0px;
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background-color: #4e064f;
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width: 10px;
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}"""
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self.setStyleSheet(cssStyleData)
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self._total_files_size = total_files_size
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self._processed_size = 0
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self.update_processed_size_signal.connect(self.update_processed_size)
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@property
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def total_files_size(self):
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return self._total_files_size
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@total_files_size.setter
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def total_files_size(self, val):
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self._total_files_size = val
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@property
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def processed_size(self):
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return self._processed_size
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@processed_size.setter
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def processed_size(self, val):
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self.update_processed_size(val)
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def update_processed_size(self, val):
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self._processed_size = val
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if self.processed_size < self.total_files_size:
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self.setValue(int((self.processed_size * 100) / self.total_files_size))
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elif self.total_files_size != 0:
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|
self.setValue(100)
|
|
else:
|
|
self.setValue(0)
|