import hashlib import json import os import platform import subprocess import sys from zipimport import zipimporter from .compat import functools # isort: split from .compat import compat_realpath from .utils import Popen, traverse_obj, version_tuple from .version import __version__ RELEASE_JSON_URL = 'https://api.github.com/repos/yt-dlp/yt-dlp/releases/latest' @functools.cache def _get_variant_and_executable_path(): """@returns (variant, executable_path)""" if hasattr(sys, 'frozen'): path = sys.executable if not hasattr(sys, '_MEIPASS'): return 'py2exe', path if sys._MEIPASS == os.path.dirname(path): return f'{sys.platform}_dir', path return f'{sys.platform}_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(): return _get_variant_and_executable_path()[0] _FILE_SUFFIXES = { 'zip': '', 'py2exe': '_min.exe', 'win32_exe': '.exe', 'darwin_exe': '_macos', } _NON_UPDATEABLE_REASONS = { **{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'}.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', 'other': 'It looks like 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['other']) def run_update(ydl): """ Update the program file with the latest version from the repository Returns whether the program should terminate """ def report_error(msg, expected=False): ydl.report_error(msg, tb=False 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() 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() try: version_info = json.loads(ydl.urlopen(RELEASE_JSON_URL).read().decode()) except Exception: return report_network_error('obtain version info', delim='; Please try again later or') 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) variant, filename = _get_variant_and_executable_path() filename = compat_realpath(filename) # Absolute path, following symlinks label = _FILE_SUFFIXES[variant] if label and platform.architecture()[0][:2] == '32': label = f'_x86{label}' release_name = f'yt-dlp{label}' ydl.to_screen(f'Current Build Hash {calc_sha256sum(filename)}') ydl.to_screen(f'Updating to version {version_id} ...') def get_file(name, fatal=True): error = report_network_error if fatal else lambda _: None url = traverse_obj( version_info, ('assets', lambda _, v: v['name'] == name, 'browser_download_url'), get_all=False) if not url: return error('fetch updates') try: return ydl.urlopen(url).read() except OSError: return error('download latest version') def verify(content): if not content: return False hash_data = get_file('SHA2-256SUMS', fatal=False) or b'' expected = dict(ln.split()[::-1] for ln in hash_data.decode().splitlines()).get(release_name) if not expected: ydl.report_warning('no hash information found for the release') elif hashlib.sha256(content).hexdigest() != expected: return report_network_error('verify the new executable') return True directory = os.path.dirname(filename) if not os.access(filename, os.W_OK): return report_permission_error(filename) elif not os.access(directory, os.W_OK): return report_permission_error(directory) new_filename, old_filename = f'{filename}.new', f'{filename}.old' if variant == 'zip': # Can be replaced in-place new_filename, old_filename = filename, None try: if os.path.exists(old_filename or ''): os.remove(old_filename) except OSError: return report_unable('remove the old version') newcontent = get_file(release_name) if not verify(newcontent): return try: with open(new_filename, 'wb') as outf: outf.write(newcontent) except OSError: return report_permission_error(new_filename) try: if old_filename: os.rename(filename, old_filename) except OSError: return report_unable('move current version') try: if old_filename: os.rename(new_filename, filename) except OSError: report_unable('overwrite current version') os.rename(old_filename, filename) return if variant not in ('win32_exe', 'py2exe'): if old_filename: os.remove(old_filename) ydl.to_screen(f'Updated yt-dlp to version {version_id}; Restart yt-dlp to use the new version') return try: # Continues to run in the background Popen(f'ping 127.0.0.1 -n 5 -w 1000 & del /F "{old_filename}"', shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL) ydl.to_screen(f'Updated yt-dlp to version {version_id}') return True # Exit app except OSError: report_unable('delete the old version') # Deprecated def update_self(to_screen, verbose, opener): import traceback from .utils import write_string 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(): to_screen = printfn @staticmethod def report_warning(msg, *args, **kwargs): return printfn(f'WARNING: {msg}', *args, **kwargs) @staticmethod def report_error(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 urlopen(self, url): return opener.open(url) return run_update(FakeYDL())