mirror of
https://github.com/yt-dlp/yt-dlp
synced 2024-12-27 21:59:17 +01:00
233ad894d3
This is not perfect, but is good enough for how we use this information Closes #3994
230 lines
7.8 KiB
Python
230 lines
7.8 KiB
Python
import hashlib
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import json
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import os
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import platform
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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 functools # isort: split
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from .compat import compat_realpath
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from .utils import Popen, traverse_obj, version_tuple
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from .version import __version__
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RELEASE_JSON_URL = 'https://api.github.com/repos/yt-dlp/yt-dlp/releases/latest'
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@functools.cache
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def _get_variant_and_executable_path():
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"""@returns (variant, executable_path)"""
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if hasattr(sys, 'frozen'):
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path = sys.executable
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if not hasattr(sys, '_MEIPASS'):
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return 'py2exe', path
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if sys._MEIPASS == os.path.dirname(path):
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return f'{sys.platform}_dir', path
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return f'{sys.platform}_exe', path
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path = os.path.dirname(__file__)
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if isinstance(__loader__, zipimporter):
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return 'zip', os.path.join(path, '..')
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elif (os.path.basename(sys.argv[0]) in ('__main__.py', '-m')
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and os.path.exists(os.path.join(path, '../.git/HEAD'))):
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return 'source', path
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return 'unknown', path
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def detect_variant():
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return _get_variant_and_executable_path()[0]
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_FILE_SUFFIXES = {
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'zip': '',
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'py2exe': '_min.exe',
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'win32_exe': '.exe',
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'darwin_exe': '_macos',
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}
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_NON_UPDATEABLE_REASONS = {
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**{variant: None for variant in _FILE_SUFFIXES}, # Updatable
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**{variant: f'Auto-update is not supported for unpackaged {name} executable; Re-download the latest release'
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for variant, name in {'win32_dir': 'Windows', 'darwin_dir': 'MacOS'}.items()},
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'source': 'You cannot update when running from source code; Use git to pull the latest changes',
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'unknown': 'It looks like you installed yt-dlp with a package manager, pip or setup.py; Use that to update',
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'other': 'It looks like you are using an unofficial build of yt-dlp; Build the executable again',
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}
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def is_non_updateable():
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return _NON_UPDATEABLE_REASONS.get(detect_variant(), _NON_UPDATEABLE_REASONS['other'])
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def run_update(ydl):
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"""
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Update the program file with the latest version from the repository
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Returns whether the program should terminate
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"""
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def report_error(msg, expected=False):
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ydl.report_error(msg, tb=False if expected else None)
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def report_unable(action, expected=False):
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report_error(f'Unable to {action}', expected)
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def report_permission_error(file):
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report_unable(f'write to {file}; Try running as administrator', True)
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def report_network_error(action, delim=';'):
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report_unable(f'{action}{delim} Visit https://github.com/yt-dlp/yt-dlp/releases/latest', True)
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def calc_sha256sum(path):
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h = hashlib.sha256()
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mv = memoryview(bytearray(128 * 1024))
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with open(os.path.realpath(path), 'rb', buffering=0) as f:
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for n in iter(lambda: f.readinto(mv), 0):
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h.update(mv[:n])
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return h.hexdigest()
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try:
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version_info = json.loads(ydl.urlopen(RELEASE_JSON_URL).read().decode())
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except Exception:
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return report_network_error('obtain version info', delim='; Please try again later or')
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version_id = version_info['tag_name']
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ydl.to_screen(f'Latest version: {version_id}, Current version: {__version__}')
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if version_tuple(__version__) >= version_tuple(version_id):
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ydl.to_screen(f'yt-dlp is up to date ({__version__})')
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return
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err = is_non_updateable()
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if err:
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return report_error(err, True)
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variant, filename = _get_variant_and_executable_path()
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filename = compat_realpath(filename) # Absolute path, following symlinks
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label = _FILE_SUFFIXES[variant]
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if label and platform.architecture()[0][:2] == '32':
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label = f'_x86{label}'
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release_name = f'yt-dlp{label}'
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ydl.to_screen(f'Current Build Hash {calc_sha256sum(filename)}')
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ydl.to_screen(f'Updating to version {version_id} ...')
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def get_file(name, fatal=True):
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error = report_network_error if fatal else lambda _: None
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url = traverse_obj(
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version_info, ('assets', lambda _, v: v['name'] == name, 'browser_download_url'), get_all=False)
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if not url:
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return error('fetch updates')
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try:
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return ydl.urlopen(url).read()
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except OSError:
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return error('download latest version')
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def verify(content):
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if not content:
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return False
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hash_data = get_file('SHA2-256SUMS', fatal=False) or b''
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expected = dict(ln.split()[::-1] for ln in hash_data.decode().splitlines()).get(release_name)
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if not expected:
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ydl.report_warning('no hash information found for the release')
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elif hashlib.sha256(content).hexdigest() != expected:
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return report_network_error('verify the new executable')
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return True
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directory = os.path.dirname(filename)
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if not os.access(filename, os.W_OK):
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return report_permission_error(filename)
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elif not os.access(directory, os.W_OK):
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return report_permission_error(directory)
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new_filename, old_filename = f'{filename}.new', f'{filename}.old'
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if variant == 'zip': # Can be replaced in-place
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new_filename, old_filename = filename, None
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try:
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if os.path.exists(old_filename or ''):
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os.remove(old_filename)
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except OSError:
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return report_unable('remove the old version')
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newcontent = get_file(release_name)
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if not verify(newcontent):
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return
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try:
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with open(new_filename, 'wb') as outf:
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outf.write(newcontent)
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except OSError:
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return report_permission_error(new_filename)
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try:
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if old_filename:
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os.rename(filename, old_filename)
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except OSError:
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return report_unable('move current version')
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try:
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if old_filename:
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os.rename(new_filename, filename)
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except OSError:
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report_unable('overwrite current version')
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os.rename(old_filename, filename)
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return
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if variant not in ('win32_exe', 'py2exe'):
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if old_filename:
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os.remove(old_filename)
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ydl.to_screen(f'Updated yt-dlp to version {version_id}; Restart yt-dlp to use the new version')
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return
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try:
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# Continues to run in the background
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Popen(f'ping 127.0.0.1 -n 5 -w 1000 & del /F "{old_filename}"',
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shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
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ydl.to_screen(f'Updated yt-dlp to version {version_id}')
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return True # Exit app
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except OSError:
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report_unable('delete the old version')
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# Deprecated
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def update_self(to_screen, verbose, opener):
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import traceback
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from .utils import write_string
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write_string(
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'DeprecationWarning: "yt_dlp.update.update_self" is deprecated and may be removed in a future version. '
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'Use "yt_dlp.update.run_update(ydl)" instead\n')
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printfn = to_screen
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class FakeYDL():
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to_screen = printfn
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@staticmethod
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def report_warning(msg, *args, **kwargs):
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return printfn(f'WARNING: {msg}', *args, **kwargs)
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@staticmethod
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def report_error(msg, tb=None):
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printfn(f'ERROR: {msg}')
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if not verbose:
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return
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if tb is None:
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# Copied from YoutubeDL.trouble
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if sys.exc_info()[0]:
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tb = ''
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if hasattr(sys.exc_info()[1], 'exc_info') and sys.exc_info()[1].exc_info[0]:
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tb += ''.join(traceback.format_exception(*sys.exc_info()[1].exc_info))
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tb += traceback.format_exc()
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else:
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tb_data = traceback.format_list(traceback.extract_stack())
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tb = ''.join(tb_data)
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if tb:
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printfn(tb)
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def urlopen(self, url):
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return opener.open(url)
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return run_update(FakeYDL())
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