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Upgrade yt_dlp and download script

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This commit is contained in:
itdominator
2025-05-02 16:11:08 -05:00
parent 3a2e8eeb08
commit d68d9ce4f9
1194 changed files with 60099 additions and 44436 deletions
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536
plugins/youtube_download/yt_dlp/update.py
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@@ -1,5 +1,8 @@
from __future__ import annotations
import atexit
import contextlib
import functools
import hashlib
import json
import os
@@ -7,31 +10,41 @@ import platform
import re
import subprocess
import sys
from dataclasses import dataclass
from zipimport import zipimporter
from .compat import functools # isort: split
from .compat import compat_realpath, compat_shlex_quote
from .networking import Request
from .networking.exceptions import HTTPError, network_exceptions
from .utils import (
NO_DEFAULT,
Popen,
cached_method,
deprecation_warning,
format_field,
remove_end,
remove_start,
shell_quote,
system_identifier,
version_tuple,
)
from .version import CHANNEL, UPDATE_HINT, VARIANT, __version__
from .version import (
CHANNEL,
ORIGIN,
RELEASE_GIT_HEAD,
UPDATE_HINT,
VARIANT,
__version__,
)
UPDATE_SOURCES = {
'stable': 'yt-dlp/yt-dlp',
'nightly': 'yt-dlp/yt-dlp-nightly-builds',
'master': 'yt-dlp/yt-dlp-master-builds',
}
REPOSITORY = UPDATE_SOURCES['stable']
_INVERSE_UPDATE_SOURCES = {value: key for key, value in UPDATE_SOURCES.items()}
_VERSION_RE = re.compile(r'(\d+\.)*\d+')
_HASH_PATTERN = r'[\da-f]{40}'
_COMMIT_RE = re.compile(rf'Generated from: https://(?:[^/?#]+/){{3}}commit/(?P<hash>{_HASH_PATTERN})')
API_BASE_URL = 'https://api.github.com/repos'
@@ -52,9 +65,18 @@ def _get_variant_and_executable_path():
machine = '_legacy' if version_tuple(platform.mac_ver()[0]) < (10, 15) else ''
else:
machine = f'_{platform.machine().lower()}'
is_64bits = sys.maxsize > 2**32
# Ref: https://en.wikipedia.org/wiki/Uname#Examples
if machine[1:] in ('x86', 'x86_64', 'amd64', 'i386', 'i686'):
machine = '_x86' if platform.architecture()[0][:2] == '32' else ''
machine = '_x86' if not is_64bits else ''
# platform.machine() on 32-bit raspbian OS may return 'aarch64', so check "64-bitness"
# See: https://github.com/yt-dlp/yt-dlp/issues/11813
elif machine[1:] == 'aarch64' and not is_64bits:
machine = '_armv7l'
# sys.executable returns a /tmp/ path for staticx builds (linux_static)
# Ref: https://staticx.readthedocs.io/en/latest/usage.html#run-time-information
if static_exe_path := os.getenv('STATICX_PROG_PATH'):
path = static_exe_path
return f'{remove_end(sys.platform, "32")}{machine}_exe', path
path = os.path.dirname(__file__)
@@ -85,7 +107,6 @@ def current_git_head():
_FILE_SUFFIXES = {
'zip': '',
'py2exe': '_min.exe',
'win_exe': '.exe',
'win_x86_exe': '_x86.exe',
'darwin_exe': '_macos',
@@ -96,11 +117,12 @@ _FILE_SUFFIXES = {
}
_NON_UPDATEABLE_REASONS = {
**{variant: None for variant in _FILE_SUFFIXES}, # Updatable
**dict.fromkeys(_FILE_SUFFIXES), # Updatable
**{variant: f'Auto-update is not supported for unpackaged {name} executable; Re-download the latest release'
for variant, name in {'win32_dir': 'Windows', 'darwin_dir': 'MacOS', 'linux_dir': 'Linux'}.items()},
'py2exe': 'py2exe is no longer supported by yt-dlp; This executable cannot be updated',
'source': 'You cannot update when running from source code; Use git to pull the latest changes',
'unknown': 'You installed yt-dlp with a package manager or setup.py; Use that to update',
'unknown': 'You installed yt-dlp from a manual build or with a package manager; Use that to update',
'other': 'You are using an unofficial build of yt-dlp; Build the executable again',
}
@@ -112,6 +134,25 @@ def is_non_updateable():
detect_variant(), _NON_UPDATEABLE_REASONS['unknown' if VARIANT else 'other'])
def _get_binary_name():
return format_field(_FILE_SUFFIXES, detect_variant(), template='yt-dlp%s', ignore=None, default=None)
def _get_system_deprecation():
MIN_SUPPORTED, MIN_RECOMMENDED = (3, 9), (3, 9)
if sys.version_info > MIN_RECOMMENDED:
return None
major, minor = sys.version_info[:2]
PYTHON_MSG = f'Please update to Python {".".join(map(str, MIN_RECOMMENDED))} or above'
if sys.version_info < MIN_SUPPORTED:
return f'Python version {major}.{minor} is no longer supported! {PYTHON_MSG}'
return f'Support for Python version {major}.{minor} has been deprecated. {PYTHON_MSG}'
def _sha256_file(path):
h = hashlib.sha256()
mv = memoryview(bytearray(128 * 1024))
@@ -121,73 +162,116 @@ def _sha256_file(path):
return h.hexdigest()
def _make_label(origin, tag, version=None):
if '/' in origin:
channel = _INVERSE_UPDATE_SOURCES.get(origin, origin)
else:
channel = origin
label = f'{channel}@{tag}'
if version and version != tag:
label += f' build {version}'
if channel != origin:
label += f' from {origin}'
return label
@dataclass
class UpdateInfo:
"""
Update target information
Can be created by `query_update()` or manually.
Attributes:
tag The release tag that will be updated to. If from query_update,
the value is after API resolution and update spec processing.
The only property that is required.
version The actual numeric version (if available) of the binary to be updated to,
after API resolution and update spec processing. (default: None)
requested_version Numeric version of the binary being requested (if available),
after API resolution only. (default: None)
commit Commit hash (if available) of the binary to be updated to,
after API resolution and update spec processing. (default: None)
This value will only match the RELEASE_GIT_HEAD of prerelease builds.
binary_name Filename of the binary to be updated to. (default: current binary name)
checksum Expected checksum (if available) of the binary to be
updated to. (default: None)
"""
tag: str
version: str | None = None
requested_version: str | None = None
commit: str | None = None
binary_name: str | None = _get_binary_name() # noqa: RUF009 # Always returns the same value
checksum: str | None = None
class Updater:
_exact = True
# XXX: use class variables to simplify testing
_channel = CHANNEL
_origin = ORIGIN
_update_sources = UPDATE_SOURCES
def __init__(self, ydl, target=None):
def __init__(self, ydl, target: str | None = None):
self.ydl = ydl
# For backwards compat, target needs to be treated as if it could be None
self.requested_channel, sep, self.requested_tag = (target or self._channel).rpartition('@')
# Check if requested_tag is actually the requested repo/channel
if not sep and ('/' in self.requested_tag or self.requested_tag in self._update_sources):
self.requested_channel = self.requested_tag
self.requested_tag: str = None # type: ignore (we set it later)
elif not self.requested_channel:
# User did not specify a channel, so we are requesting the default channel
self.requested_channel = self._channel.partition('@')[0]
self.target_channel, sep, self.target_tag = (target or CHANNEL).rpartition('@')
# stable => stable@latest
if not sep and ('/' in self.target_tag or self.target_tag in UPDATE_SOURCES):
self.target_channel = self.target_tag
self.target_tag = None
elif not self.target_channel:
self.target_channel = CHANNEL.partition('@')[0]
if not self.target_tag:
self.target_tag = 'latest'
# --update should not be treated as an exact tag request even if CHANNEL has a @tag
self._exact = bool(target) and target != self._channel
if not self.requested_tag:
# User did not specify a tag, so we request 'latest' and track that no exact tag was passed
self.requested_tag = 'latest'
self._exact = False
elif self.target_tag != 'latest':
self.target_tag = f'tags/{self.target_tag}'
if '/' in self.target_channel:
self._target_repo = self.target_channel
if self.target_channel not in (CHANNEL, *UPDATE_SOURCES.values()):
if '/' in self.requested_channel:
# requested_channel is actually a repository
self.requested_repo = self.requested_channel
if not self.requested_repo.startswith('yt-dlp/') and self.requested_repo != self._origin:
self.ydl.report_warning(
f'You are switching to an {self.ydl._format_err("unofficial", "red")} executable '
f'from {self.ydl._format_err(self._target_repo, self.ydl.Styles.EMPHASIS)}. '
f'from {self.ydl._format_err(self.requested_repo, self.ydl.Styles.EMPHASIS)}. '
f'Run {self.ydl._format_err("at your own risk", "light red")}')
self._block_restart('Automatically restarting into custom builds is disabled for security reasons')
else:
self._target_repo = UPDATE_SOURCES.get(self.target_channel)
if not self._target_repo:
# Check if requested_channel resolves to a known repository or else raise
self.requested_repo = self._update_sources.get(self.requested_channel)
if not self.requested_repo:
self._report_error(
f'Invalid update channel {self.target_channel!r} requested. '
f'Valid channels are {", ".join(UPDATE_SOURCES)}', True)
f'Invalid update channel {self.requested_channel!r} requested. '
f'Valid channels are {", ".join(self._update_sources)}', True)
def _version_compare(self, a, b, channel=CHANNEL):
if self._exact and channel != self.target_channel:
return False
self._identifier = f'{detect_variant()} {system_identifier()}'
if _VERSION_RE.fullmatch(f'{a}.{b}'):
a, b = version_tuple(a), version_tuple(b)
return a == b if self._exact else a >= b
return a == b
@property
def current_version(self):
"""Current version"""
return __version__
@functools.cached_property
def _tag(self):
if self._version_compare(self.current_version, self.latest_version):
return self.target_tag
@property
def current_commit(self):
"""Current commit hash"""
return RELEASE_GIT_HEAD
identifier = f'{detect_variant()} {self.target_channel} {system_identifier()}'
for line in self._download('_update_spec', 'latest').decode().splitlines():
if not line.startswith('lock '):
continue
_, tag, pattern = line.split(' ', 2)
if re.match(pattern, identifier):
if not self._exact:
return f'tags/{tag}'
elif self.target_tag == 'latest' or not self._version_compare(
tag, self.target_tag[5:], channel=self.target_channel):
self._report_error(
f'yt-dlp cannot be updated above {tag} since you are on an older Python version', True)
return f'tags/{self.current_version}'
return self.target_tag
def _download_asset(self, name, tag=None):
if not tag:
tag = self.requested_tag
@cached_method
def _get_version_info(self, tag):
url = f'{API_BASE_URL}/{self._target_repo}/releases/{tag}'
path = 'latest/download' if tag == 'latest' else f'download/{tag}'
url = f'https://github.com/{self.requested_repo}/releases/{path}/{name}'
self.ydl.write_debug(f'Downloading {name} from {url}')
return self.ydl.urlopen(url).read()
def _call_api(self, tag):
tag = f'tags/{tag}' if tag != 'latest' else tag
url = f'{API_BASE_URL}/{self.requested_repo}/releases/{tag}'
self.ydl.write_debug(f'Fetching release info: {url}')
return json.loads(self.ydl.urlopen(Request(url, headers={
'Accept': 'application/vnd.github+json',
@@ -195,105 +279,181 @@ class Updater:
'X-GitHub-Api-Version': '2022-11-28',
})).read().decode())
@property
def current_version(self):
"""Current version"""
return __version__
def _get_version_info(self, tag: str) -> tuple[str | None, str | None]:
if _VERSION_RE.fullmatch(tag):
return tag, None
@staticmethod
def _label(channel, tag):
"""Label for a given channel and tag"""
return f'{channel}@{remove_start(tag, "tags/")}'
api_info = self._call_api(tag)
def _get_actual_tag(self, tag):
if tag.startswith('tags/'):
return tag[5:]
return self._get_version_info(tag)['tag_name']
if tag == 'latest':
requested_version = api_info['tag_name']
else:
match = re.search(rf'\s+(?P<version>{_VERSION_RE.pattern})$', api_info.get('name', ''))
requested_version = match.group('version') if match else None
@property
def new_version(self):
"""Version of the latest release we can update to"""
return self._get_actual_tag(self._tag)
if re.fullmatch(_HASH_PATTERN, api_info.get('target_commitish', '')):
target_commitish = api_info['target_commitish']
else:
match = _COMMIT_RE.match(api_info.get('body', ''))
target_commitish = match.group('hash') if match else None
@property
def latest_version(self):
"""Version of the target release"""
return self._get_actual_tag(self.target_tag)
if not (requested_version or target_commitish):
self._report_error('One of either version or commit hash must be available on the release', expected=True)
@property
def has_update(self):
"""Whether there is an update available"""
return not self._version_compare(self.current_version, self.new_version)
return requested_version, target_commitish
@functools.cached_property
def filename(self):
"""Filename of the executable"""
return compat_realpath(_get_variant_and_executable_path()[1])
def _download_update_spec(self, source_tags):
for tag in source_tags:
try:
return self._download_asset('_update_spec', tag=tag).decode()
except network_exceptions as error:
if isinstance(error, HTTPError) and error.status == 404:
continue
self._report_network_error(f'fetch update spec: {error}')
return None
def _download(self, name, tag):
slug = 'latest/download' if tag == 'latest' else f'download/{tag[5:]}'
url = f'https://github.com/{self._target_repo}/releases/{slug}/{name}'
self.ydl.write_debug(f'Downloading {name} from {url}')
return self.ydl.urlopen(url).read()
@functools.cached_property
def release_name(self):
"""The release filename"""
return f'yt-dlp{_FILE_SUFFIXES[detect_variant()]}'
@functools.cached_property
def release_hash(self):
"""Hash of the latest release"""
hash_data = dict(ln.split()[::-1] for ln in self._download('SHA2-256SUMS', self._tag).decode().splitlines())
return hash_data[self.release_name]
def _report_error(self, msg, expected=False):
self.ydl.report_error(msg, tb=False if expected else None)
self.ydl._download_retcode = 100
def _report_permission_error(self, file):
self._report_error(f'Unable to write to {file}; Try running as administrator', True)
def _report_network_error(self, action, delim=';'):
self._report_error(
f'Unable to {action}{delim} visit '
f'https://github.com/{self._target_repo}/releases/{self.target_tag.replace("tags/", "tag/")}', True)
f'The requested tag {self.requested_tag} does not exist for {self.requested_repo}', True)
return None
def _process_update_spec(self, lockfile: str, resolved_tag: str):
lines = lockfile.splitlines()
is_version2 = any(line.startswith('lockV2 ') for line in lines)
for line in lines:
if is_version2:
if not line.startswith(f'lockV2 {self.requested_repo} '):
continue
_, _, tag, pattern = line.split(' ', 3)
else:
if not line.startswith('lock '):
continue
_, tag, pattern = line.split(' ', 2)
if re.match(pattern, self._identifier):
if _VERSION_RE.fullmatch(tag):
if not self._exact:
return tag
elif self._version_compare(tag, resolved_tag):
return resolved_tag
elif tag != resolved_tag:
continue
self._report_error(
f'yt-dlp cannot be updated to {resolved_tag} since you are on an older Python version '
'or your operating system is not compatible with the requested build', True)
return None
return resolved_tag
def _version_compare(self, a: str, b: str):
"""
Compare two version strings
This function SHOULD NOT be called if self._exact == True
"""
if _VERSION_RE.fullmatch(f'{a}.{b}'):
return version_tuple(a) >= version_tuple(b)
return a == b
def query_update(self, *, _output=False) -> UpdateInfo | None:
"""Fetches info about the available update
@returns An `UpdateInfo` if there is an update available, else None
"""
if not self.requested_repo:
self._report_error('No target repository could be determined from input')
return None
def check_update(self):
"""Report whether there is an update available"""
if not self._target_repo:
return False
try:
self.ydl.to_screen((
f'Available version: {self._label(self.target_channel, self.latest_version)}, ' if self.target_tag == 'latest' else ''
) + f'Current version: {self._label(CHANNEL, self.current_version)}')
requested_version, target_commitish = self._get_version_info(self.requested_tag)
except network_exceptions as e:
return self._report_network_error(f'obtain version info ({e})', delim='; Please try again later or')
self._report_network_error(f'obtain version info ({e})', delim='; Please try again later or')
return None
if self._exact and self._origin != self.requested_repo:
has_update = True
elif requested_version:
if self._exact:
has_update = self.current_version != requested_version
else:
has_update = not self._version_compare(self.current_version, requested_version)
elif target_commitish:
has_update = target_commitish != self.current_commit
else:
has_update = False
resolved_tag = requested_version if self.requested_tag == 'latest' else self.requested_tag
current_label = _make_label(self._origin, self._channel.partition('@')[2] or self.current_version, self.current_version)
requested_label = _make_label(self.requested_repo, resolved_tag, requested_version)
latest_or_requested = f'{"Latest" if self.requested_tag == "latest" else "Requested"} version: {requested_label}'
if not has_update:
if _output:
self.ydl.to_screen(f'{latest_or_requested}\nyt-dlp is up to date ({current_label})')
return None
update_spec = self._download_update_spec(('latest', None) if requested_version else (None,))
if not update_spec:
return None
# `result_` prefixed vars == post-_process_update_spec() values
result_tag = self._process_update_spec(update_spec, resolved_tag)
if not result_tag or result_tag == self.current_version:
return None
elif result_tag == resolved_tag:
result_version = requested_version
elif _VERSION_RE.fullmatch(result_tag):
result_version = result_tag
else: # actual version being updated to is unknown
result_version = None
checksum = None
# Non-updateable variants can get update_info but need to skip checksum
if not is_non_updateable():
self.ydl.to_screen(f'Current Build Hash: {_sha256_file(self.filename)}')
try:
hashes = self._download_asset('SHA2-256SUMS', result_tag)
except network_exceptions as error:
if not isinstance(error, HTTPError) or error.status != 404:
self._report_network_error(f'fetch checksums: {error}')
return None
self.ydl.report_warning('No hash information found for the release, skipping verification')
else:
for ln in hashes.decode().splitlines():
if ln.endswith(_get_binary_name()):
checksum = ln.split()[0]
break
if not checksum:
self.ydl.report_warning('The hash could not be found in the checksum file, skipping verification')
if self.has_update:
return True
if _output:
update_label = _make_label(self.requested_repo, result_tag, result_version)
self.ydl.to_screen(
f'Current version: {current_label}\n{latest_or_requested}'
+ (f'\nUpgradable to: {update_label}' if update_label != requested_label else ''))
if self.target_tag == self._tag:
self.ydl.to_screen(f'yt-dlp is up to date ({self._label(CHANNEL, self.current_version)})')
elif not self._exact:
self.ydl.report_warning('yt-dlp cannot be updated any further since you are on an older Python version')
return False
return UpdateInfo(
tag=result_tag,
version=result_version,
requested_version=requested_version,
commit=target_commitish if result_tag == resolved_tag else None,
checksum=checksum)
def update(self, update_info=NO_DEFAULT):
"""Update yt-dlp executable to the latest version
@param update_info `UpdateInfo | None` as returned by query_update()
"""
if update_info is NO_DEFAULT:
update_info = self.query_update(_output=True)
if not update_info:
return False
def update(self):
"""Update yt-dlp executable to the latest version"""
if not self.check_update():
return
err = is_non_updateable()
if err:
return self._report_error(err, True)
self.ydl.to_screen(f'Updating to {self._label(self.target_channel, self.new_version)} ...')
if (_VERSION_RE.fullmatch(self.target_tag[5:])
and version_tuple(self.target_tag[5:]) < (2023, 3, 2)):
self.ydl.report_warning('You are downgrading to a version without --update-to')
self._block_restart('Cannot automatically restart to a version without --update-to')
self._report_error(err, True)
return False
self.ydl.to_screen(f'Current Build Hash: {_sha256_file(self.filename)}')
update_label = _make_label(self.requested_repo, update_info.tag, update_info.version)
self.ydl.to_screen(f'Updating to {update_label} ...')
directory = os.path.dirname(self.filename)
if not os.access(self.filename, os.W_OK):
@@ -312,20 +472,17 @@ class Updater:
return self._report_error('Unable to remove the old version')
try:
newcontent = self._download(self.release_name, self._tag)
newcontent = self._download_asset(update_info.binary_name, update_info.tag)
except network_exceptions as e:
if isinstance(e, HTTPError) and e.status == 404:
return self._report_error(
f'The requested tag {self._label(self.target_channel, self.target_tag)} does not exist', True)
return self._report_network_error(f'fetch updates: {e}')
f'The requested tag {self.requested_repo}@{update_info.tag} does not exist', True)
return self._report_network_error(f'fetch updates: {e}', tag=update_info.tag)
try:
expected_hash = self.release_hash
except Exception:
self.ydl.report_warning('no hash information found for the release')
else:
if hashlib.sha256(newcontent).hexdigest() != expected_hash:
return self._report_network_error('verify the new executable')
if not update_info.checksum:
self._block_restart('Automatically restarting into unverified builds is disabled for security reasons')
elif hashlib.sha256(newcontent).hexdigest() != update_info.checksum:
return self._report_network_error('verify the new executable', tag=update_info.tag)
try:
with open(new_filename, 'wb') as outf:
@@ -347,7 +504,7 @@ class Updater:
return os.rename(old_filename, self.filename)
variant = detect_variant()
if variant.startswith('win') or variant == 'py2exe':
if variant.startswith('win'):
atexit.register(Popen, f'ping 127.0.0.1 -n 5 -w 1000 & del /F "{old_filename}"',
shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
elif old_filename:
@@ -360,19 +517,29 @@ class Updater:
os.chmod(self.filename, mask)
except OSError:
return self._report_error(
f'Unable to set permissions. Run: sudo chmod a+rx {compat_shlex_quote(self.filename)}')
f'Unable to set permissions. Run: sudo chmod a+rx {shell_quote(self.filename)}')
self.ydl.to_screen(f'Updated yt-dlp to {self._label(self.target_channel, self.new_version)}')
self.ydl.to_screen(f'Updated yt-dlp to {update_label}')
return True
@functools.cached_property
def filename(self):
"""Filename of the executable"""
return os.path.realpath(_get_variant_and_executable_path()[1])
@functools.cached_property
def cmd(self):
"""The command-line to run the executable, if known"""
argv = None
# There is no sys.orig_argv in py < 3.10. Also, it can be [] when frozen
if getattr(sys, 'orig_argv', None):
return sys.orig_argv
argv = sys.orig_argv
elif getattr(sys, 'frozen', False):
return sys.argv
argv = sys.argv
# linux_static exe's argv[0] will be /tmp/staticx-NNNN/yt-dlp_linux if we don't fixup here
if argv and os.getenv('STATICX_PROG_PATH'):
argv = [self.filename, *argv[1:]]
return argv
def restart(self):
"""Restart the executable"""
@@ -387,53 +554,30 @@ class Updater:
return self.ydl._download_retcode
self.restart = wrapper
def _report_error(self, msg, expected=False):
self.ydl.report_error(msg, tb=False if expected else None)
self.ydl._download_retcode = 100
def _report_permission_error(self, file):
self._report_error(f'Unable to write to {file}; try running as administrator', True)
def _report_network_error(self, action, delim=';', tag=None):
if not tag:
tag = self.requested_tag
path = tag if tag == 'latest' else f'tag/{tag}'
self._report_error(
f'Unable to {action}{delim} visit '
f'https://github.com/{self.requested_repo}/releases/{path}', True)
def run_update(ydl):
"""Update the program file with the latest version from the repository
@returns Whether there was a successful update (No update = False)
"""
deprecation_warning(
'"yt_dlp.update.run_update(ydl)" is deprecated and may be removed in a future version. '
'Use "yt_dlp.update.Updater(ydl).update()" instead')
return Updater(ydl).update()
# Deprecated
def update_self(to_screen, verbose, opener):
import traceback
deprecation_warning(f'"{__name__}.update_self" is deprecated and may be removed '
f'in a future version. Use "{__name__}.run_update(ydl)" instead')
printfn = to_screen
class FakeYDL():
to_screen = printfn
def report_warning(self, msg, *args, **kwargs):
return printfn(f'WARNING: {msg}', *args, **kwargs)
def report_error(self, msg, tb=None):
printfn(f'ERROR: {msg}')
if not verbose:
return
if tb is None:
# Copied from YoutubeDL.trouble
if sys.exc_info()[0]:
tb = ''
if hasattr(sys.exc_info()[1], 'exc_info') and sys.exc_info()[1].exc_info[0]:
tb += ''.join(traceback.format_exception(*sys.exc_info()[1].exc_info))
tb += traceback.format_exc()
else:
tb_data = traceback.format_list(traceback.extract_stack())
tb = ''.join(tb_data)
if tb:
printfn(tb)
def write_debug(self, msg, *args, **kwargs):
printfn(f'[debug] {msg}', *args, **kwargs)
def urlopen(self, url):
return opener.open(url)
return run_update(FakeYDL())
__all__ = ['Updater']