+import atexit
+import contextlib
import hashlib
import json
import os
import platform
+import re
import subprocess
import sys
-import traceback
+import urllib.error
from zipimport import zipimporter
-from .compat import compat_realpath, functools
-from .utils import Popen, encode_compat_str, write_string
-from .version import __version__
+from .compat import functools # isort: split
+from .compat import compat_realpath, compat_shlex_quote
+from .utils import (
+ Popen,
+ cached_method,
+ deprecation_warning,
+ remove_end,
+ remove_start,
+ sanitized_Request,
+ shell_quote,
+ system_identifier,
+ version_tuple,
+)
+from .version import CHANNEL, UPDATE_HINT, VARIANT, __version__
+
+UPDATE_SOURCES = {
+ 'stable': 'yt-dlp/yt-dlp',
+ 'nightly': 'yt-dlp/yt-dlp-nightly-builds',
+}
+REPOSITORY = UPDATE_SOURCES['stable']
+
+_VERSION_RE = re.compile(r'(\d+\.)*\d+')
+
+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(__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 or setup.py; 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'])
-
-
-def run_update(ydl):
- """
- Update the program file with the latest version from the repository
- Returns whether the program should terminate
- """
+ if UPDATE_HINT:
+ return UPDATE_HINT
+ return _NON_UPDATEABLE_REASONS.get(
+ detect_variant(), _NON_UPDATEABLE_REASONS['unknown' if VARIANT else 'other'])
- 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 _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 report_unable(action, expected=False):
- report_error(f'Unable to {action}', expected)
- def report_permission_error(file):
- report_unable(f'write to {file}; Try running as administrator', True)
+class Updater:
+ _exact = True
- def report_network_error(action, delim=';'):
- report_unable(f'{action}{delim} Visit https://github.com/yt-dlp/yt-dlp/releases/latest', True)
+ def __init__(self, ydl, target=None):
+ self.ydl = ydl
- 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()
+ self.target_channel, sep, self.target_tag = (target or CHANNEL).rpartition('@')
+ if not sep and self.target_tag in UPDATE_SOURCES: # stable => stable@latest
+ self.target_channel, self.target_tag = self.target_tag, None
+ elif not self.target_channel:
+ self.target_channel = CHANNEL
- # Download and check versions info
- try:
- version_info = ydl._opener.open(JSON_URL).read().decode()
- version_info = json.loads(version_info)
- except Exception:
- return report_network_error('obtain version info', delim='; Please try again later or')
+ if not self.target_tag:
+ self.target_tag, self._exact = 'latest', False
+ elif self.target_tag != 'latest':
+ self.target_tag = f'tags/{self.target_tag}'
- 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
+ @property
+ def _target_repo(self):
+ try:
+ return UPDATE_SOURCES[self.target_channel]
+ except KeyError:
+ return self._report_error(
+ f'Invalid update channel {self.target_channel!r} requested. '
+ f'Valid channels are {", ".join(UPDATE_SOURCES)}', True)
+
+ def _version_compare(self, a, b, channel=CHANNEL):
+ if channel != self.target_channel:
+ return False
+
+ 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
+
+ @functools.cached_property
+ def _tag(self):
+ if self._version_compare(self.current_version, self.latest_version):
+ return self.target_tag
+
+ 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
+
+ @cached_method
+ def _get_version_info(self, tag):
+ url = f'{API_BASE_URL}/{self._target_repo}/releases/{tag}'
+ self.ydl.write_debug(f'Fetching release info: {url}')
+ return json.loads(self.ydl.urlopen(sanitized_Request(url, headers={
+ 'Accept': 'application/vnd.github+json',
+ 'User-Agent': 'yt-dlp',
+ 'X-GitHub-Api-Version': '2022-11-28',
+ })).read().decode())
+
+ @property
+ def current_version(self):
+ """Current version"""
+ return __version__
+
+ @staticmethod
+ def _label(channel, tag):
+ """Label for a given channel and tag"""
+ return f'{channel}@{remove_start(tag, "tags/")}'
+
+ def _get_actual_tag(self, tag):
+ if tag.startswith('tags/'):
+ return tag[5:]
+ return self._get_version_info(tag)['tag_name']
+
+ @property
+ def new_version(self):
+ """Version of the latest release we can update to"""
+ return self._get_actual_tag(self._tag)
+
+ @property
+ def latest_version(self):
+ """Version of the target release"""
+ return self._get_actual_tag(self.target_tag)
+
+ @property
+ def has_update(self):
+ """Whether there is an update available"""
+ return not self._version_compare(self.current_version, self.new_version)
+
+ @functools.cached_property
+ def filename(self):
+ """Filename of the executable"""
+ return compat_realpath(_get_variant_and_executable_path()[1])
+
+ 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)
+
+ 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)}')
+ except Exception:
+ return self._report_network_error('obtain version info', delim='; Please try again later or')
+
+ if not is_non_updateable():
+ self.ydl.to_screen(f'Current Build Hash: {_sha256_file(self.filename)}')
+
+ if self.has_update:
+ return True
+
+ 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
+
+ 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')
+
+ 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
- err = is_non_updateable()
- if err:
- 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 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[f'{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[f'{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:
- return None
- hash_data = ydl._opener.open(urlh).read().decode()
- 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')
+ if os.path.exists(old_filename or ''):
+ os.remove(old_filename)
except OSError:
- return report_unable('remove the old version')
+ return self._report_error('Unable to 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 OSError:
- return report_network_error('download latest version')
+ newcontent = self._download(self.release_name, self._tag)
+ except Exception as e:
+ if isinstance(e, urllib.error.HTTPError) and e.code == 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}')
+
+ 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')
try:
- with open(filename + '.new', 'wb') as outf:
+ with open(new_filename, 'wb') as outf:
outf.write(newcontent)
except OSError:
- return report_permission_error(f'{filename}.new')
+ return self._report_permission_error(new_filename)
- 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 old_filename:
+ mask = os.stat(self.filename).st_mode
try:
- os.remove(filename + '.new')
+ os.rename(self.filename, old_filename)
except OSError:
- return report_unable('remove corrupt download')
+ return self._report_error('Unable to move current version')
- try:
- os.rename(filename, filename + '.old')
- except OSError:
- return report_unable('move current version')
- try:
- os.rename(filename + '.new', filename)
- except 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
- except OSError:
- report_unable('delete the old 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')
- 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 OSError:
- return report_network_error('download the latest 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)}')
- 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')
+ self.ydl.to_screen(f'Updated yt-dlp to {self._label(self.target_channel, self.new_version)}')
+ return True
- try:
- with open(filename, 'wb') as outf:
- outf.write(newcontent)
- except OSError:
- return report_unable('overwrite current version')
+ @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
- ydl.to_screen('Updated yt-dlp to version %s; Restart yt-dlp to use the new version' % version_id)
- return
+ 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
- assert False, f'Unhandled variant: {variant}'
+
+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()
# Deprecated
def update_self(to_screen, verbose, opener):
+ import traceback
- printfn = to_screen
+ deprecation_warning(f'"{__name__}.update_self" is deprecated and may be removed '
+ f'in a future version. Use "{__name__}.run_update(ydl)" instead')
- 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\n')
+ printfn = to_screen
class FakeYDL():
- _opener = opener
to_screen = printfn
- @staticmethod
- def report_warning(msg, *args, **kwargs):
- return printfn('WARNING: %s' % msg, *args, **kwargs)
+ def report_warning(self, msg, *args, **kwargs):
+ return printfn(f'WARNING: {msg}', *args, **kwargs)
- @staticmethod
- def report_error(msg, tb=None):
- printfn('ERROR: %s' % msg)
+ def report_error(self, msg, tb=None):
+ printfn(f'ERROR: {msg}')
if not verbose:
return
if tb is None:
- # Copied from YoutubeDl.trouble
+ # 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())
+ 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']
projects / yt-dlp.git / blobdiff