-from __future__ import unicode_literals
+from __future__ import annotations
+import atexit
+import contextlib
import hashlib
import json
import os
import platform
+import re
import subprocess
import sys
-import traceback
+from dataclasses import dataclass
from zipimport import zipimporter
-from .compat import compat_realpath
-from .utils import encode_compat_str, Popen, write_string
-
-from .version import __version__
-
-
-''' # Not signed
-def rsa_verify(message, signature, key):
- from hashlib import sha256
- assert isinstance(message, bytes)
- byte_size = (len(bin(key[0])) - 2 + 8 - 1) // 8
- signature = ('%x' % pow(int(signature, 16), key[1], key[0])).encode()
- signature = (byte_size * 2 - len(signature)) * b'0' + signature
- asn1 = b'3031300d060960864801650304020105000420'
- asn1 += sha256(message).hexdigest().encode()
- if byte_size < len(asn1) // 2 + 11:
- return False
- expected = b'0001' + (byte_size - len(asn1) // 2 - 3) * b'ff' + b'00' + asn1
- return expected == signature
-'''
+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,
+ deprecation_warning,
+ format_field,
+ remove_end,
+ shell_quote,
+ system_identifier,
+ version_tuple,
+)
+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'
+
+# Backwards compatibility variables for the current channel
+API_URL = f'{API_BASE_URL}/{REPOSITORY}/releases'
+
+
+@functools.cache
+def _get_variant_and_executable_path():
+ """@returns (variant, executable_path)"""
+ if getattr(sys, 'frozen', False):
+ path = sys.executable
+ if not hasattr(sys, '_MEIPASS'):
+ return 'py2exe', path
+ elif sys._MEIPASS == os.path.dirname(path):
+ return f'{sys.platform}_dir', path
+ elif sys.platform == 'darwin':
+ machine = '_legacy' if version_tuple(platform.mac_ver()[0]) < (10, 15) else ''
+ else:
+ machine = f'_{platform.machine().lower()}'
+ # 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 ''
+ return f'{remove_end(sys.platform, "32")}{machine}_exe', path
+
+ path = os.path.dirname(__file__)
+ if isinstance(__loader__, zipimporter):
+ return 'zip', os.path.join(path, '..')
+ elif (os.path.basename(sys.argv[0]) in ('__main__.py', '-m')
+ and os.path.exists(os.path.join(path, '../.git/HEAD'))):
+ return 'source', path
+ return 'unknown', path
def detect_variant():
- if hasattr(sys, 'frozen'):
- prefix = 'mac' if sys.platform == 'darwin' else 'win'
- if getattr(sys, '_MEIPASS', None):
- if sys._MEIPASS == os.path.dirname(sys.executable):
- return f'{prefix}_dir'
- return f'{prefix}_exe'
- return 'py2exe'
- elif isinstance(globals().get('__loader__'), zipimporter):
- return 'zip'
- elif os.path.basename(sys.argv[0]) == '__main__.py':
- return 'source'
- return 'unknown'
+ return VARIANT or _get_variant_and_executable_path()[0]
+@functools.cache
+def current_git_head():
+ if detect_variant() != 'source':
+ return
+ with contextlib.suppress(Exception):
+ stdout, _, _ = Popen.run(
+ ['git', 'rev-parse', '--short', 'HEAD'],
+ text=True, cwd=os.path.dirname(os.path.abspath(__file__)),
+ stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ if re.fullmatch('[0-9a-f]+', stdout.strip()):
+ return stdout.strip()
+
+
+_FILE_SUFFIXES = {
+ 'zip': '',
+ 'py2exe': '_min.exe',
+ 'win_exe': '.exe',
+ 'win_x86_exe': '_x86.exe',
+ 'darwin_exe': '_macos',
+ 'darwin_legacy_exe': '_macos_legacy',
+ 'linux_exe': '_linux',
+ 'linux_aarch64_exe': '_linux_aarch64',
+ 'linux_armv7l_exe': '_linux_armv7l',
+}
+
_NON_UPDATEABLE_REASONS = {
- 'win_exe': None,
- 'zip': None,
- 'mac_exe': None,
- 'py2exe': None,
- 'win_dir': 'Auto-update is not supported for unpackaged windows executable; Re-download the latest release',
- 'mac_dir': 'Auto-update is not supported for unpackaged MacOS executable; Re-download the latest release',
+ **{variant: None for variant in _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()},
'source': 'You cannot update when running from source code; Use git to pull the latest changes',
- 'unknown': 'It looks like you installed yt-dlp with a package manager, pip, setup.py or a tarball; Use that to update',
+ 'unknown': 'You installed yt-dlp with a package manager or setup.py; Use that to update',
+ 'other': 'You are using an unofficial build of yt-dlp; Build the executable again',
}
def is_non_updateable():
- return _NON_UPDATEABLE_REASONS.get(detect_variant(), _NON_UPDATEABLE_REASONS['unknown'])
+ if UPDATE_HINT:
+ return UPDATE_HINT
+ return _NON_UPDATEABLE_REASONS.get(
+ detect_variant(), _NON_UPDATEABLE_REASONS['unknown' if VARIANT else 'other'])
-def run_update(ydl):
- """
- Update the program file with the latest version from the repository
- Returns whether the program should terminate
- """
+def _get_binary_name():
+ return format_field(_FILE_SUFFIXES, detect_variant(), template='yt-dlp%s', ignore=None, default=None)
- JSON_URL = 'https://api.github.com/repos/yt-dlp/yt-dlp/releases/latest'
- def report_error(msg, expected=False):
- ydl.report_error(msg, tb='' if expected else None)
+def _get_system_deprecation():
+ MIN_SUPPORTED, MIN_RECOMMENDED = (3, 8), (3, 8)
- def report_unable(action, expected=False):
- report_error(f'Unable to {action}', expected)
+ if sys.version_info > MIN_RECOMMENDED:
+ return None
- def report_permission_error(file):
- report_unable(f'write to {file}; Try running as administrator', True)
+ major, minor = sys.version_info[:2]
+ if sys.version_info < MIN_SUPPORTED:
+ msg = f'Python version {major}.{minor} is no longer supported'
+ else:
+ msg = (f'Support for Python version {major}.{minor} has been deprecated. '
+ '\nYou may stop receiving updates on this version at any time')
- def report_network_error(action, delim=';'):
- report_unable(f'{action}{delim} Visit https://github.com/yt-dlp/yt-dlp/releases/latest', True)
+ major, minor = MIN_RECOMMENDED
+ return f'{msg}! Please update to Python {major}.{minor} or above'
- def calc_sha256sum(path):
- h = hashlib.sha256()
- b = bytearray(128 * 1024)
- mv = memoryview(b)
- with open(os.path.realpath(path), 'rb', buffering=0) as f:
- for n in iter(lambda: f.readinto(mv), 0):
- h.update(mv[:n])
- return h.hexdigest()
- # Download and check versions info
- try:
- version_info = ydl._opener.open(JSON_URL).read().decode('utf-8')
- version_info = json.loads(version_info)
- except Exception:
- return report_network_error('obtain version info', delim='; Please try again later or')
+def _sha256_file(path):
+ h = hashlib.sha256()
+ mv = memoryview(bytearray(128 * 1024))
+ with open(os.path.realpath(path), 'rb', buffering=0) as f:
+ for n in iter(lambda: f.readinto(mv), 0):
+ h.update(mv[:n])
+ return h.hexdigest()
- def version_tuple(version_str):
- return tuple(map(int, version_str.split('.')))
- version_id = version_info['tag_name']
- ydl.to_screen(f'Latest version: {version_id}, Current version: {__version__}')
- if version_tuple(__version__) >= version_tuple(version_id):
- ydl.to_screen(f'yt-dlp is up to date ({__version__})')
- return
+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
- err = is_non_updateable()
- if err:
- ydl.to_screen(f'Latest version: {version_id}, Current version: {__version__}')
- return report_error(err, True)
-
- # sys.executable is set to the full pathname of the exe-file for py2exe
- # though symlinks are not followed so that we need to do this manually
- # with help of realpath
- filename = compat_realpath(sys.executable if hasattr(sys, 'frozen') else sys.argv[0])
- ydl.to_screen(f'Current version {__version__}; Build Hash {calc_sha256sum(filename)}')
- ydl.to_screen(f'Updating to version {version_id} ...')
-
- version_labels = {
- 'zip_3': '',
- 'win_exe_64': '.exe',
- 'py2exe_64': '_min.exe',
- 'win_exe_32': '_x86.exe',
- 'mac_exe_64': '_macos',
- }
-
- def get_bin_info(bin_or_exe, version):
- label = version_labels['%s_%s' % (bin_or_exe, version)]
- return next((i for i in version_info['assets'] if i['name'] == 'yt-dlp%s' % label), {})
-
- def get_sha256sum(bin_or_exe, version):
- filename = 'yt-dlp%s' % version_labels['%s_%s' % (bin_or_exe, version)]
- urlh = next(
- (i for i in version_info['assets'] if i['name'] in ('SHA2-256SUMS')),
- {}).get('browser_download_url')
- if not urlh:
+
+@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()
+ checksum: str | None = None
+
+ _has_update = True
+
+
+class Updater:
+ # XXX: use class variables to simplify testing
+ _channel = CHANNEL
+ _origin = ORIGIN
+ _update_sources = UPDATE_SOURCES
+
+ 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]
+
+ # --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
+
+ 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.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:
+ # 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.requested_channel!r} requested. '
+ f'Valid channels are {", ".join(self._update_sources)}', True)
+
+ self._identifier = f'{detect_variant()} {system_identifier()}'
+
+ @property
+ def current_version(self):
+ """Current version"""
+ return __version__
+
+ @property
+ def current_commit(self):
+ """Current commit hash"""
+ return RELEASE_GIT_HEAD
+
+ def _download_asset(self, name, tag=None):
+ if not tag:
+ tag = self.requested_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',
+ 'User-Agent': 'yt-dlp',
+ 'X-GitHub-Api-Version': '2022-11-28',
+ })).read().decode())
+
+ def _get_version_info(self, tag: str) -> tuple[str | None, str | None]:
+ if _VERSION_RE.fullmatch(tag):
+ return tag, None
+
+ api_info = self._call_api(tag)
+
+ 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
+
+ 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
+
+ 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)
+
+ return requested_version, target_commitish
+
+ 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}')
+
+ self._report_error(
+ 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', 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 and returns info about the available update"""
+ if not self.requested_repo:
+ self._report_error('No target repository could be determined from input')
return None
- hash_data = ydl._opener.open(urlh).read().decode('utf-8')
- return dict(ln.split()[::-1] for ln in hash_data.splitlines()).get(filename)
-
- if not os.access(filename, os.W_OK):
- return report_permission_error(filename)
-
- # PyInstaller
- variant = detect_variant()
- if variant in ('win_exe', 'py2exe'):
- directory = os.path.dirname(filename)
- if not os.access(directory, os.W_OK):
- return report_permission_error(directory)
- try:
- if os.path.exists(filename + '.old'):
- os.remove(filename + '.old')
- except (IOError, OSError):
- return report_unable('remove the old version')
try:
- arch = platform.architecture()[0][:2]
- url = get_bin_info(variant, arch).get('browser_download_url')
- if not url:
- return report_network_error('fetch updates')
- urlh = ydl._opener.open(url)
- newcontent = urlh.read()
- urlh.close()
- except (IOError, OSError):
- return report_network_error('download latest version')
+ requested_version, target_commitish = self._get_version_info(self.requested_tag)
+ except network_exceptions as e:
+ self._report_network_error(f'obtain version info ({e})', delim='; Please try again later or')
+ return None
- try:
- with open(filename + '.new', 'wb') as outf:
- outf.write(newcontent)
- except (IOError, OSError):
- return report_permission_error(f'{filename}.new')
-
- expected_sum = get_sha256sum(variant, arch)
- if not expected_sum:
- ydl.report_warning('no hash information found for the release')
- elif calc_sha256sum(filename + '.new') != expected_sum:
- report_network_error('verify the new executable')
+ 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():
try:
- os.remove(filename + '.new')
- except OSError:
- return report_unable('remove corrupt download')
+ 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 _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 ''))
+
+ 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"""
+ if update_info is NO_DEFAULT:
+ update_info = self.query_update(_output=True)
+ if not update_info:
+ return False
+
+ err = is_non_updateable()
+ if err:
+ 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):
+ return self._report_permission_error(self.filename)
+ elif not os.access(directory, os.W_OK):
+ return self._report_permission_error(directory)
+
+ new_filename, old_filename = f'{self.filename}.new', f'{self.filename}.old'
+ if detect_variant() == 'zip': # Can be replaced in-place
+ new_filename, old_filename = self.filename, None
try:
- os.rename(filename, filename + '.old')
- except (IOError, OSError):
- return report_unable('move current version')
- try:
- os.rename(filename + '.new', filename)
- except (IOError, OSError):
- report_unable('overwrite current version')
- os.rename(filename + '.old', filename)
- return
- try:
- # Continues to run in the background
- Popen(
- 'ping 127.0.0.1 -n 5 -w 1000 & del /F "%s.old"' % filename,
- shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
- ydl.to_screen('Updated yt-dlp to version %s' % version_id)
- return True # Exit app
+ if os.path.exists(old_filename or ''):
+ os.remove(old_filename)
except OSError:
- report_unable('delete the old version')
+ return self._report_error('Unable to remove the old version')
- elif variant in ('zip', 'mac_exe'):
- pack_type = '3' if variant == 'zip' else '64'
try:
- url = get_bin_info(variant, pack_type).get('browser_download_url')
- if not url:
- return report_network_error('fetch updates')
- urlh = ydl._opener.open(url)
- newcontent = urlh.read()
- urlh.close()
- except (IOError, OSError):
- return report_network_error('download the latest version')
-
- expected_sum = get_sha256sum(variant, pack_type)
- if not expected_sum:
- ydl.report_warning('no hash information found for the release')
- elif hashlib.sha256(newcontent).hexdigest() != expected_sum:
- return report_network_error('verify the new package')
+ 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.requested_repo}@{update_info.tag} does not exist', True)
+ return self._report_network_error(f'fetch updates: {e}', tag=update_info.tag)
+
+ 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(filename, 'wb') as outf:
+ with open(new_filename, 'wb') as outf:
outf.write(newcontent)
- except (IOError, OSError):
- return report_unable('overwrite current version')
+ except OSError:
+ return self._report_permission_error(new_filename)
+
+ if old_filename:
+ mask = os.stat(self.filename).st_mode
+ try:
+ os.rename(self.filename, old_filename)
+ except OSError:
+ return self._report_error('Unable to move current version')
+
+ try:
+ os.rename(new_filename, self.filename)
+ except OSError:
+ self._report_error('Unable to overwrite current version')
+ return os.rename(old_filename, self.filename)
+
+ variant = detect_variant()
+ if variant.startswith('win') or variant == 'py2exe':
+ 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:
+ try:
+ os.remove(old_filename)
+ except OSError:
+ self._report_error('Unable to remove the old version')
+
+ try:
+ 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)}')
+
+ self.ydl.to_screen(f'Updated yt-dlp to {update_label}')
+ return True
+
+ @functools.cached_property
+ def filename(self):
+ """Filename of the executable"""
+ return compat_realpath(_get_variant_and_executable_path()[1])
+
+ @functools.cached_property
+ def cmd(self):
+ """The command-line to run the executable, if known"""
+ # 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
+ elif getattr(sys, 'frozen', False):
+ return sys.argv
+
+ def restart(self):
+ """Restart the executable"""
+ assert self.cmd, 'Must be frozen or Py >= 3.10'
+ self.ydl.write_debug(f'Restarting: {shell_quote(self.cmd)}')
+ _, _, returncode = Popen.run(self.cmd)
+ return returncode
+
+ def _block_restart(self, msg):
+ def wrapper():
+ self._report_error(f'{msg}. Restart yt-dlp to use the updated version', expected=True)
+ 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
+ self._report_error(
+ f'Unable to {action}{delim} visit https://github.com/{self.requested_repo}/releases/'
+ + tag if tag == "latest" else f"tag/{tag}", True)
+
+ # XXX: Everything below this line in this class is deprecated / for compat only
+ @property
+ def _target_tag(self):
+ """Deprecated; requested tag with 'tags/' prepended when necessary for API calls"""
+ return f'tags/{self.requested_tag}' if self.requested_tag != 'latest' else self.requested_tag
+
+ def _check_update(self):
+ """Deprecated; report whether there is an update available"""
+ return bool(self.query_update(_output=True))
+
+ def __getattr__(self, attribute: str):
+ """Compat getter function for deprecated attributes"""
+ deprecated_props_map = {
+ 'check_update': '_check_update',
+ 'target_tag': '_target_tag',
+ 'target_channel': 'requested_channel',
+ }
+ update_info_props_map = {
+ 'has_update': '_has_update',
+ 'new_version': 'version',
+ 'latest_version': 'requested_version',
+ 'release_name': 'binary_name',
+ 'release_hash': 'checksum',
+ }
+
+ if attribute not in deprecated_props_map and attribute not in update_info_props_map:
+ raise AttributeError(f'{type(self).__name__!r} object has no attribute {attribute!r}')
+
+ msg = f'{type(self).__name__}.{attribute} is deprecated and will be removed in a future version'
+ if attribute in deprecated_props_map:
+ source_name = deprecated_props_map[attribute]
+ if not source_name.startswith('_'):
+ msg += f'. Please use {source_name!r} instead'
+ source = self
+ mapping = deprecated_props_map
+
+ else: # attribute in update_info_props_map
+ msg += '. Please call query_update() instead'
+ source = self.query_update()
+ if source is None:
+ source = UpdateInfo('', None, None, None)
+ source._has_update = False
+ mapping = update_info_props_map
+
+ deprecation_warning(msg)
+ for target_name, source_name in mapping.items():
+ value = getattr(source, source_name)
+ setattr(self, target_name, value)
+
+ return getattr(self, attribute)
+
+
+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)
+ """
+ return Updater(ydl).update()
- ydl.to_screen('Updated yt-dlp to version %s; Restart yt-dlp to use the new version' % version_id)
- return
- assert False, f'Unhandled variant: {variant}'
-
-
-''' # UNUSED
-def get_notes(versions, fromVersion):
- notes = []
- for v, vdata in sorted(versions.items()):
- if v > fromVersion:
- notes.extend(vdata.get('notes', []))
- return notes
-
-
-def print_notes(to_screen, versions, fromVersion=__version__):
- notes = get_notes(versions, fromVersion)
- if notes:
- to_screen('PLEASE NOTE:')
- for note in notes:
- to_screen(note)
-'''
-
-
-# Deprecated
-def update_self(to_screen, verbose, opener):
-
- printfn = to_screen
-
- write_string(
- 'DeprecationWarning: "yt_dlp.update.update_self" is deprecated and may be removed in a future version. '
- 'Use "yt_dlp.update.run_update(ydl)" instead')
-
- class FakeYDL():
- _opener = opener
- to_screen = printfn
-
- @staticmethod
- def report_warning(msg, *args, **kwargs):
- return printfn('WARNING: %s' % msg, *args, **kwargs)
-
- @staticmethod
- def report_error(msg, tb=None):
- printfn('ERROR: %s' % 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 += encode_compat_str(traceback.format_exc())
- else:
- tb_data = traceback.format_list(traceback.extract_stack())
- tb = ''.join(tb_data)
- if tb:
- printfn(tb)
-
- return run_update(FakeYDL())
+__all__ = ['Updater']