mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2025-09-03 08:35:32 +00:00
[skip travis] renaming
to avoid using same folder when using pip install for example
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Unknown
190
youtube_dlc/update.py
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190
youtube_dlc/update.py
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from __future__ import unicode_literals
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import io
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import json
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import traceback
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import hashlib
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import os
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import subprocess
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import sys
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from zipimport import zipimporter
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from .compat import compat_realpath
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from .utils import encode_compat_str
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from .version import __version__
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def rsa_verify(message, signature, key):
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from hashlib import sha256
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assert isinstance(message, bytes)
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byte_size = (len(bin(key[0])) - 2 + 8 - 1) // 8
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signature = ('%x' % pow(int(signature, 16), key[1], key[0])).encode()
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signature = (byte_size * 2 - len(signature)) * b'0' + signature
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asn1 = b'3031300d060960864801650304020105000420'
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asn1 += sha256(message).hexdigest().encode()
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if byte_size < len(asn1) // 2 + 11:
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return False
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expected = b'0001' + (byte_size - len(asn1) // 2 - 3) * b'ff' + b'00' + asn1
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return expected == signature
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def update_self(to_screen, verbose, opener):
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"""Update the program file with the latest version from the repository"""
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UPDATE_URL = 'https://yt-dl.org/update/'
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VERSION_URL = UPDATE_URL + 'LATEST_VERSION'
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JSON_URL = UPDATE_URL + 'versions.json'
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UPDATES_RSA_KEY = (0x9d60ee4d8f805312fdb15a62f87b95bd66177b91df176765d13514a0f1754bcd2057295c5b6f1d35daa6742c3ffc9a82d3e118861c207995a8031e151d863c9927e304576bc80692bc8e094896fcf11b66f3e29e04e3a71e9a11558558acea1840aec37fc396fb6b65dc81a1c4144e03bd1c011de62e3f1357b327d08426fe93, 65537)
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if not isinstance(globals().get('__loader__'), zipimporter) and not hasattr(sys, 'frozen'):
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to_screen('It looks like you installed youtube-dlc with a package manager, pip, setup.py or a tarball. Please use that to update.')
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return
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# Check if there is a new version
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try:
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newversion = opener.open(VERSION_URL).read().decode('utf-8').strip()
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except Exception:
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if verbose:
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to_screen(encode_compat_str(traceback.format_exc()))
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to_screen('ERROR: can\'t find the current version. Please try again later.')
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return
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if newversion == __version__:
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to_screen('youtube-dlc is up-to-date (' + __version__ + ')')
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return
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# Download and check versions info
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try:
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versions_info = opener.open(JSON_URL).read().decode('utf-8')
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versions_info = json.loads(versions_info)
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except Exception:
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if verbose:
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to_screen(encode_compat_str(traceback.format_exc()))
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to_screen('ERROR: can\'t obtain versions info. Please try again later.')
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return
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if 'signature' not in versions_info:
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to_screen('ERROR: the versions file is not signed or corrupted. Aborting.')
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return
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signature = versions_info['signature']
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del versions_info['signature']
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if not rsa_verify(json.dumps(versions_info, sort_keys=True).encode('utf-8'), signature, UPDATES_RSA_KEY):
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to_screen('ERROR: the versions file signature is invalid. Aborting.')
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return
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version_id = versions_info['latest']
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def version_tuple(version_str):
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return tuple(map(int, version_str.split('.')))
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if version_tuple(__version__) >= version_tuple(version_id):
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to_screen('youtube-dlc is up to date (%s)' % __version__)
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return
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to_screen('Updating to version ' + version_id + ' ...')
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version = versions_info['versions'][version_id]
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print_notes(to_screen, versions_info['versions'])
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# sys.executable is set to the full pathname of the exe-file for py2exe
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# though symlinks are not followed so that we need to do this manually
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# with help of realpath
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filename = compat_realpath(sys.executable if hasattr(sys, 'frozen') else sys.argv[0])
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if not os.access(filename, os.W_OK):
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to_screen('ERROR: no write permissions on %s' % filename)
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return
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# Py2EXE
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if hasattr(sys, 'frozen'):
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exe = filename
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directory = os.path.dirname(exe)
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if not os.access(directory, os.W_OK):
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to_screen('ERROR: no write permissions on %s' % directory)
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return
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try:
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urlh = opener.open(version['exe'][0])
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newcontent = urlh.read()
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urlh.close()
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except (IOError, OSError):
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if verbose:
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to_screen(encode_compat_str(traceback.format_exc()))
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to_screen('ERROR: unable to download latest version')
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return
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newcontent_hash = hashlib.sha256(newcontent).hexdigest()
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if newcontent_hash != version['exe'][1]:
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to_screen('ERROR: the downloaded file hash does not match. Aborting.')
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return
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try:
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with open(exe + '.new', 'wb') as outf:
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outf.write(newcontent)
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except (IOError, OSError):
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if verbose:
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to_screen(encode_compat_str(traceback.format_exc()))
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to_screen('ERROR: unable to write the new version')
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return
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try:
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bat = os.path.join(directory, 'youtube-dlc-updater.bat')
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with io.open(bat, 'w') as batfile:
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batfile.write('''
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@echo off
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echo Waiting for file handle to be closed ...
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ping 127.0.0.1 -n 5 -w 1000 > NUL
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move /Y "%s.new" "%s" > NUL
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echo Updated youtube-dlc to version %s.
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start /b "" cmd /c del "%%~f0"&exit /b"
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\n''' % (exe, exe, version_id))
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subprocess.Popen([bat]) # Continues to run in the background
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return # Do not show premature success messages
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except (IOError, OSError):
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if verbose:
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to_screen(encode_compat_str(traceback.format_exc()))
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to_screen('ERROR: unable to overwrite current version')
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return
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# Zip unix package
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elif isinstance(globals().get('__loader__'), zipimporter):
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try:
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urlh = opener.open(version['bin'][0])
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newcontent = urlh.read()
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urlh.close()
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except (IOError, OSError):
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if verbose:
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to_screen(encode_compat_str(traceback.format_exc()))
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to_screen('ERROR: unable to download latest version')
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return
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newcontent_hash = hashlib.sha256(newcontent).hexdigest()
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if newcontent_hash != version['bin'][1]:
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to_screen('ERROR: the downloaded file hash does not match. Aborting.')
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return
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try:
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with open(filename, 'wb') as outf:
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outf.write(newcontent)
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except (IOError, OSError):
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if verbose:
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to_screen(encode_compat_str(traceback.format_exc()))
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to_screen('ERROR: unable to overwrite current version')
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return
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to_screen('Updated youtube-dlc. Restart youtube-dlc to use the new version.')
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def get_notes(versions, fromVersion):
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notes = []
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for v, vdata in sorted(versions.items()):
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if v > fromVersion:
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notes.extend(vdata.get('notes', []))
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return notes
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def print_notes(to_screen, versions, fromVersion=__version__):
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notes = get_notes(versions, fromVersion)
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if notes:
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to_screen('PLEASE NOTE:')
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for note in notes:
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to_screen(note)
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