diff options
Diffstat (limited to 'yt_dlp/update.py')
| -rw-r--r-- | yt_dlp/update.py | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/yt_dlp/update.py b/yt_dlp/update.py new file mode 100644 index 000000000..81c9013a1 --- /dev/null +++ b/yt_dlp/update.py @@ -0,0 +1,244 @@ +from __future__ import unicode_literals + +import io +import json +import traceback +import hashlib +import os +import platform +import subprocess +import sys +from zipimport import zipimporter + +from .compat import compat_realpath +from .utils import encode_compat_str + +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 +''' + + +def update_self(to_screen, verbose, opener): + """ + 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 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() + + to_screen('Current Build Hash %s' % calc_sha256sum(sys.executable)) + + if not isinstance(globals().get('__loader__'), zipimporter) and not hasattr(sys, 'frozen'): + to_screen('It looks like you installed yt-dlp with a package manager, pip, setup.py or a tarball. Please use that to update.') + return + + # Download and check versions info + try: + version_info = opener.open(JSON_URL).read().decode('utf-8') + version_info = json.loads(version_info) + except Exception: + if verbose: + to_screen(encode_compat_str(traceback.format_exc())) + to_screen('ERROR: can\'t obtain versions info. Please try again later.') + to_screen('Visit https://github.com/yt-dlp/yt-dlp/releases/latest') + return + + def version_tuple(version_str): + return tuple(map(int, version_str.split('.'))) + + version_id = version_info['tag_name'] + if version_tuple(__version__) >= version_tuple(version_id): + to_screen('yt-dlp is up to date (%s)' % __version__) + return + + to_screen('Updating to version ' + version_id + ' ...') + + version_labels = { + 'zip_3': '', + 'zip_2': '', + # 'zip_2': '_py2', + 'exe_64': '.exe', + 'exe_32': '_x86.exe', + } + + 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): + label = 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: + return None + hash_data = opener.open(urlh).read().decode('utf-8') + hashes = list(map(lambda x: x.split(':'), hash_data.splitlines())) + return next( + (i[1] for i in hashes if i[0] == 'yt-dlp%s' % label), + None) + + # 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]) + + if not os.access(filename, os.W_OK): + to_screen('ERROR: no write permissions on %s' % filename) + return + + # PyInstaller + if hasattr(sys, 'frozen'): + exe = filename + directory = os.path.dirname(exe) + if not os.access(directory, os.W_OK): + to_screen('ERROR: no write permissions on %s' % directory) + return + + try: + arch = platform.architecture()[0][:2] + url = get_bin_info('exe', arch).get('browser_download_url') + if not url: + to_screen('ERROR: unable to fetch updates') + to_screen('Visit https://github.com/yt-dlp/yt-dlp/releases/latest') + return + urlh = opener.open(url) + newcontent = urlh.read() + urlh.close() + except (IOError, OSError, StopIteration): + if verbose: + to_screen(encode_compat_str(traceback.format_exc())) + to_screen('ERROR: unable to download latest version') + to_screen('Visit https://github.com/yt-dlp/yt-dlp/releases/latest') + return + + try: + with open(exe + '.new', 'wb') as outf: + outf.write(newcontent) + except (IOError, OSError): + if verbose: + to_screen(encode_compat_str(traceback.format_exc())) + to_screen('ERROR: unable to write the new version') + return + + expected_sum = get_sha256sum('exe', arch) + if not expected_sum: + to_screen('WARNING: no hash information found for the release') + elif calc_sha256sum(exe + '.new') != expected_sum: + to_screen('ERROR: unable to verify the new executable') + to_screen('Visit https://github.com/yt-dlp/yt-dlp/releases/latest') + try: + os.remove(exe + '.new') + except OSError: + to_screen('ERROR: unable to remove corrupt download') + return + + try: + bat = os.path.join(directory, 'yt-dlp-updater.cmd') + with io.open(bat, 'w') as batfile: + batfile.write(''' +@( + echo.Waiting for file handle to be closed ... + ping 127.0.0.1 -n 5 -w 1000 > NUL + move /Y "%s.new" "%s" > NUL + echo.Updated yt-dlp to version %s. +) +@start /b "" cmd /c del "%%~f0"&exit /b + ''' % (exe, exe, version_id)) + + subprocess.Popen([bat]) # Continues to run in the background + return True # Exit app + except (IOError, OSError): + if verbose: + to_screen(encode_compat_str(traceback.format_exc())) + to_screen('ERROR: unable to overwrite current version') + return + + # Zip unix package + elif isinstance(globals().get('__loader__'), zipimporter): + try: + py_ver = platform.python_version()[0] + url = get_bin_info('zip', py_ver).get('browser_download_url') + if not url: + to_screen('ERROR: unable to fetch updates') + to_screen('Visit https://github.com/yt-dlp/yt-dlp/releases/latest') + return + urlh = opener.open(url) + newcontent = urlh.read() + urlh.close() + except (IOError, OSError, StopIteration): + if verbose: + to_screen(encode_compat_str(traceback.format_exc())) + to_screen('ERROR: unable to download latest version') + to_screen('Visit https://github.com/yt-dlp/yt-dlp/releases/latest') + return + + try: + with open(filename + '.new', 'wb') as outf: + outf.write(newcontent) + except (IOError, OSError): + if verbose: + to_screen(encode_compat_str(traceback.format_exc())) + to_screen('ERROR: unable to write the new version') + return + + expected_sum = get_sha256sum('zip', py_ver) + if expected_sum and calc_sha256sum(filename + '.new') != expected_sum: + to_screen('ERROR: unable to verify the new zip') + to_screen('Visit https://github.com/yt-dlp/yt-dlp/releases/latest') + try: + os.remove(filename + '.new') + except OSError: + to_screen('ERROR: unable to remove corrupt zip') + return + + try: + os.rename(filename + '.new', filename) + except OSError: + to_screen('ERROR: unable to overwrite current version') + return + + to_screen('Updated yt-dlp. Restart yt-dlp to use the new version.') + + +''' # 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) +''' |