mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-11-09 10:50:38 +00:00
258 lines
9.0 KiB
Python
258 lines
9.0 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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import traceback
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from zipimport import zipimporter
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from .compat import compat_realpath, functools
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from .utils import Popen, encode_compat_str, write_string
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from .version import __version__
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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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prefix = 'mac' if sys.platform == 'darwin' else 'win'
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if getattr(sys, '_MEIPASS', None):
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if sys._MEIPASS == os.path.dirname(sys.executable):
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return f'{prefix}_dir', path
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return f'{prefix}_exe', path
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return 'py2exe', path
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path = os.path.join(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]) == '__main__.py':
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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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_NON_UPDATEABLE_REASONS = {
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'win_exe': None,
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'zip': None,
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'mac_exe': None,
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'py2exe': None,
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'win_dir': 'Auto-update is not supported for unpackaged windows executable; Re-download the latest release',
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'mac_dir': 'Auto-update is not supported for unpackaged MacOS executable; Re-download the latest release',
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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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}
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def is_non_updateable():
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return _NON_UPDATEABLE_REASONS.get(detect_variant(), _NON_UPDATEABLE_REASONS['unknown'])
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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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JSON_URL = 'https://api.github.com/repos/yt-dlp/yt-dlp/releases/latest'
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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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b = bytearray(128 * 1024)
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mv = memoryview(b)
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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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# Download and check versions info
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try:
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version_info = ydl._opener.open(JSON_URL).read().decode()
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version_info = json.loads(version_info)
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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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def version_tuple(version_str):
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return tuple(map(int, version_str.split('.')))
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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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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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version_labels = {
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'zip_3': '',
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'win_exe_64': '.exe',
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'py2exe_64': '_min.exe',
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'win_exe_32': '_x86.exe',
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'mac_exe_64': '_macos',
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}
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def get_bin_info(bin_or_exe, version):
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label = version_labels[f'{bin_or_exe}_{version}']
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return next((i for i in version_info['assets'] if i['name'] == 'yt-dlp%s' % label), {})
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def get_sha256sum(bin_or_exe, version):
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filename = 'yt-dlp%s' % version_labels[f'{bin_or_exe}_{version}']
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urlh = next(
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(i for i in version_info['assets'] if i['name'] in ('SHA2-256SUMS')),
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{}).get('browser_download_url')
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if not urlh:
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return None
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hash_data = ydl._opener.open(urlh).read().decode()
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return dict(ln.split()[::-1] for ln in hash_data.splitlines()).get(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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if variant in ('win_exe', 'py2exe'):
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directory = os.path.dirname(filename)
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if not os.access(directory, os.W_OK):
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return report_permission_error(directory)
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try:
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if os.path.exists(filename + '.old'):
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os.remove(filename + '.old')
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except OSError:
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return report_unable('remove the old version')
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try:
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arch = platform.architecture()[0][:2]
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url = get_bin_info(variant, arch).get('browser_download_url')
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if not url:
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return report_network_error('fetch updates')
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urlh = ydl._opener.open(url)
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newcontent = urlh.read()
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urlh.close()
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except OSError:
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return report_network_error('download latest version')
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try:
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with open(filename + '.new', 'wb') as outf:
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outf.write(newcontent)
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except OSError:
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return report_permission_error(f'{filename}.new')
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expected_sum = get_sha256sum(variant, arch)
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if not expected_sum:
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ydl.report_warning('no hash information found for the release')
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elif calc_sha256sum(filename + '.new') != expected_sum:
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report_network_error('verify the new executable')
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try:
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os.remove(filename + '.new')
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except OSError:
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return report_unable('remove corrupt download')
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try:
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os.rename(filename, filename + '.old')
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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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os.rename(filename + '.new', filename)
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except OSError:
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report_unable('overwrite current version')
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os.rename(filename + '.old', filename)
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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(
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'ping 127.0.0.1 -n 5 -w 1000 & del /F "%s.old"' % filename,
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shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
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ydl.to_screen('Updated yt-dlp to version %s' % 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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elif variant in ('zip', 'mac_exe'):
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pack_type = '3' if variant == 'zip' else '64'
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try:
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url = get_bin_info(variant, pack_type).get('browser_download_url')
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if not url:
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return report_network_error('fetch updates')
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urlh = ydl._opener.open(url)
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newcontent = urlh.read()
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urlh.close()
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except OSError:
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return report_network_error('download the latest version')
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expected_sum = get_sha256sum(variant, pack_type)
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if not expected_sum:
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ydl.report_warning('no hash information found for the release')
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elif hashlib.sha256(newcontent).hexdigest() != expected_sum:
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return report_network_error('verify the new package')
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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 OSError:
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return report_unable('overwrite current version')
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ydl.to_screen('Updated yt-dlp to version %s; Restart yt-dlp to use the new version' % version_id)
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return
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assert False, f'Unhandled variant: {variant}'
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# Deprecated
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def update_self(to_screen, verbose, opener):
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printfn = to_screen
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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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class FakeYDL():
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_opener = opener
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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('WARNING: %s' % msg, *args, **kwargs)
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@staticmethod
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def report_error(msg, tb=None):
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printfn('ERROR: %s' % 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 += encode_compat_str(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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return run_update(FakeYDL())
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