You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
96 lines
2.8 KiB
96 lines
2.8 KiB
#!/usr/bin/env python2
|
|
# -*- coding: utf-8 -*-
|
|
|
|
"""Youtubedlg module to update youtube-dl binary.
|
|
|
|
Attributes:
|
|
UPDATE_PUB_TOPIC (string): wxPublisher subscription topic of the
|
|
UpdateThread thread.
|
|
|
|
"""
|
|
|
|
from __future__ import unicode_literals
|
|
|
|
import os.path
|
|
from threading import Thread
|
|
from urllib2 import urlopen, URLError, HTTPError
|
|
|
|
from wx import CallAfter
|
|
from wx.lib.pubsub import setuparg1
|
|
from wx.lib.pubsub import pub as Publisher
|
|
|
|
from .utils import (
|
|
YOUTUBEDL_BIN,
|
|
check_path
|
|
)
|
|
|
|
UPDATE_PUB_TOPIC = 'update'
|
|
|
|
|
|
class UpdateThread(Thread):
|
|
|
|
"""Python Thread that downloads youtube-dl binary.
|
|
|
|
Attributes:
|
|
LATEST_YOUTUBE_DL (string): URL with the latest youtube-dl binary.
|
|
DOWNLOAD_TIMEOUT (int): Download timeout in seconds.
|
|
|
|
Args:
|
|
download_path (string): Absolute path where UpdateThread will download
|
|
the latest youtube-dl.
|
|
|
|
quiet (boolean): If True UpdateThread won't send the finish signal
|
|
back to the caller. Finish signal can be used to make sure that
|
|
the UpdateThread has been completed in an asynchronous way.
|
|
|
|
"""
|
|
|
|
LATEST_YOUTUBE_DL = 'https://yt-dl.org/latest/'
|
|
DOWNLOAD_TIMEOUT = 20
|
|
|
|
def __init__(self, download_path, quiet=False):
|
|
super(UpdateThread, self).__init__()
|
|
self.download_path = download_path
|
|
self.quiet = quiet
|
|
self.start()
|
|
|
|
def run(self):
|
|
self._talk_to_gui('download')
|
|
|
|
source_file = self.LATEST_YOUTUBE_DL + YOUTUBEDL_BIN
|
|
destination_file = os.path.join(self.download_path, YOUTUBEDL_BIN)
|
|
|
|
check_path(self.download_path)
|
|
|
|
try:
|
|
stream = urlopen(source_file, timeout=self.DOWNLOAD_TIMEOUT)
|
|
|
|
with open(destination_file, 'wb') as dest_file:
|
|
dest_file.write(stream.read())
|
|
|
|
self._talk_to_gui('correct')
|
|
except (HTTPError, URLError, IOError) as error:
|
|
self._talk_to_gui('error', unicode(error))
|
|
|
|
if not self.quiet:
|
|
self._talk_to_gui('finish')
|
|
|
|
def _talk_to_gui(self, signal, data=None):
|
|
"""Communicate with the GUI using wxCallAfter and wxPublisher.
|
|
|
|
Args:
|
|
signal (string): Unique signal string that informs the GUI for the
|
|
update process.
|
|
|
|
data (string): Can be any string data to pass along with the
|
|
given signal. Default is None.
|
|
|
|
Note:
|
|
UpdateThread supports 4 signals.
|
|
1) download: The update process started
|
|
2) correct: The update process completed successfully
|
|
3) error: An error occured while downloading youtube-dl binary
|
|
4) finish: The update thread is ready to join
|
|
|
|
"""
|
|
CallAfter(Publisher.sendMessage, UPDATE_PUB_TOPIC, (signal, data))
|