import hashlib import json import os import platform import subprocess import sys import traceback from zipimport import zipimporter from .compat import compat_realpath from .utils import encode_compat_str, Popen, write_string from .version import __version__ 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' _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', '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', } 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 """ 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 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) def report_network_error(action, delim=';'): report_unable(f'{action}{delim} Visit https://github.com/yt-dlp/yt-dlp/releases/latest', True) 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 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 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('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 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 OSError: return report_network_error('download latest version') try: with open(filename + '.new', 'wb') as outf: outf.write(newcontent) except 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') try: os.remove(filename + '.new') except OSError: return report_unable('remove corrupt download') 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') 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') 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') try: with open(filename, 'wb') as outf: outf.write(newcontent) except OSError: return report_unable('overwrite current version') 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}' # 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\n') 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())