yt-dlc/youtube_dlc/update.py
2021-07-26 04:08:02 +02:00

364 lines
14 KiB
Python

from __future__ import unicode_literals
import io
import json
import traceback
import hashlib
import os
import subprocess
import sys
import platform
from zipimport import zipimporter
from .compat import compat_realpath
from .utils import encode_compat_str
from .version import __version__
def update_binary(ydl):
LATEST_URL = 'https://api.github.com/repos/blackjack4494/yt-dlc/releases/latest'
def 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()
if isinstance(globals().get('__loader__'), zipimporter):
pass
elif hasattr(sys, 'frozen'):
pass
else:
return ydl.to_screen('It looks like you installed youtube-dlc with a package manager, pip, setup.py or a tarball. Please use that to update')
filename = compat_realpath(sys.executable if hasattr(sys, 'frozen') else sys.argv[0])
build_hash = sha256sum(filename)
ydl.to_screen('Current Build Hash %s' % build_hash)
# Download and check versions info
try:
latest = ydl._opener.open(LATEST_URL).read().decode('utf-8')
latest_json = json.loads(latest)
except Exception:
if ydl.verbose:
ydl.to_screen(encode_compat_str(traceback.format_exc()))
ydl.to_screen('ERROR: can\'t obtain versions info. Please try again later.')
return ydl.to_screen('Visit https://github.com/blackjack4494/yt-dlc/releases/latest')
latest_version = latest_json['tag_name']
def download_sha256sums():
download_url = ''
for _ in latest_json['assets']:
if 'SHA2-256SUMS' in _['name']:
download_url = _['browser_download_url']
break
if download_url:
return ydl._opener.open(download_url).read().decode('utf-8')
else:
ydl.to_screen('ERROR: can\'t obtain SHA256SUMS. Please try again later.')
return None
sha256sums = download_sha256sums()
sha256sums_dict = dict(_.split(':') in sha256sums for _ in sha256sums.split('\n'))
sha256sums_version = sha256sums_dict.get('version')
if sha256sums_version:
if build_hash in sha256sums_dict.values():
ydl.to_screen('SHA256 checksum successfully validated.')
if __version__.split('.') >= sha256sums_version.split('.') and __version__.split('.') >= latest_version.split('.'):
ydl.to_screen('youtube-dlc is up to date (%s)' % __version__)
return
else:
ydl.to_screen('Something is wrong here. Trying to update anyway.')
else:
if build_hash in sha256sums_dict.values():
ydl.to_screen('SHA256 checksum successfully validated.')
if __version__.split('.') >= latest_version.split('.'):
ydl.to_screen('youtube-dlc is up to date (%s)' % __version__)
return
if not latest_version == sha256sums_version:
ydl.to_screen('WARNING: available youtube-dlc versions differ. Trying to update anyway.')
ydl.to_screen('Updating to version ' + latest_version + ' ...')
version_labels = {
'zip_3': '',
'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((_ for _ in latest_json['assets'] if _['name'] == 'youtube-dlc%s' % label), {})
if not os.access(filename, os.W_OK):
return ydl.to_screen('no write permissions on %s' % filename)
# PyInstaller
if hasattr(sys, 'frozen'):
exe = filename
directory = os.path.dirname(exe)
if not os.access(directory, os.W_OK):
return ydl.to_screen('no write permissions on %s' % directory)
try:
if os.path.exists(filename + '.old'):
os.remove(filename + '.old')
except (IOError, OSError):
return ydl.to_screen('unable to remove the old version')
try:
arch = platform.architecture()[0][:2]
url = get_bin_info('exe', arch).get('browser_download_url')
if not url:
return ydl.to_screen('unable to fetch updates')
urlh = ydl._opener.open(url)
newcontent = urlh.read()
urlh.close()
except (IOError, OSError, StopIteration):
return ydl.to_screen('unable to download latest version')
try:
with open(exe + '.new', 'wb') as outf:
outf.write(newcontent)
except (IOError, OSError):
return ydl.to_screen('unable to write the new version')
expected_sum = sha256sums_dict.get('youtube-dlc%s' % version_labels['%s_%s' % ('exe', arch)])
if not expected_sum:
ydl.report_warning('no hash information found for the release')
elif sha256sum(exe + '.new') != expected_sum:
ydl.to_screen('unable to verify the new executable')
try:
os.remove(exe + '.new')
except OSError:
return ydl.to_screen('unable to remove corrupt download')
try:
os.rename(exe, exe + '.old')
except (IOError, OSError):
return ydl.to_screen('unable to move current version')
try:
os.rename(exe + '.new', exe)
except (IOError, OSError):
ydl.to_screen('unable to overwrite current version')
os.rename(exe + '.old', exe)
return
try:
# Continues to run in the background
subprocess.Popen(
'ping 127.0.0.1 -n 5 -w 1000 & del /F "%s.old"' % exe,
shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
ydl.to_screen('Updated youtube-dlc to version %s' % latest_version)
return True # Exit app
except OSError:
ydl.to_screen('unable to delete old version')
# Zip unix package
elif isinstance(globals().get('__loader__'), zipimporter):
try:
url = get_bin_info('zip', '3').get('browser_download_url')
if not url:
return ydl.to_screen('unable to fetch updates')
urlh = ydl._opener.open(url)
newcontent = urlh.read()
urlh.close()
except (IOError, OSError, StopIteration):
return ydl.to_screen('unable to download latest version')
expected_sum = sha256sums_dict.get('youtube-dlc%s' % version_labels['%s_%s' % ('zip', '3')])
if not expected_sum:
ydl.report_warning('no hash information found for the release')
elif hashlib.sha256(newcontent).hexdigest() != expected_sum:
return ydl.to_screen('unable to verify the new zip')
try:
with open(filename, 'wb') as outf:
outf.write(newcontent)
except (IOError, OSError):
return ydl.to_screen('unable to overwrite current version')
ydl.to_screen('Updated youtube-dlc to version %s; Restart youtube-dlc to use the new version' % latest_version)
def update_self(to_screen, verbose, opener):
"""Update the program file with the latest version from the repository"""
UPDATE_URL = 'https://blackjack4494.github.io//update/'
VERSION_URL = UPDATE_URL + 'LATEST_VERSION'
JSON_URL = UPDATE_URL + 'versions.json'
# UPDATES_RSA_KEY = (0x9d60ee4d8f805312fdb15a62f87b95bd66177b91df176765d13514a0f1754bcd2057295c5b6f1d35daa6742c3ffc9a82d3e118861c207995a8031e151d863c9927e304576bc80692bc8e094896fcf11b66f3e29e04e3a71e9a11558558acea1840aec37fc396fb6b65dc81a1c4144e03bd1c011de62e3f1357b327d08426fe93, 65537)
def sha256sum():
h = hashlib.sha256()
b = bytearray(128 * 1024)
mv = memoryview(b)
with open(os.path.realpath(sys.executable), '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' % sha256sum())
if not isinstance(globals().get('__loader__'), zipimporter) and not hasattr(sys, 'frozen'):
to_screen('It looks like you installed youtube-dlc with a package manager, pip, setup.py or a tarball. Please use that to update.')
return
# compiled file.exe can find itself by
# to_screen(os.path.basename(sys.executable))
# and path to py or exe
# to_screen(os.path.realpath(sys.executable))
# Check if there is a new version
try:
newversion = opener.open(VERSION_URL).read().decode('utf-8').strip()
except Exception:
if verbose:
to_screen(encode_compat_str(traceback.format_exc()))
to_screen('ERROR: can\'t find the current version. Please try again later.')
to_screen('Visit https://github.com/blackjack4494/yt-dlc/releases/latest')
return
if newversion == __version__:
to_screen('youtube-dlc is up-to-date (' + __version__ + ')')
return
# Download and check versions info
try:
versions_info = opener.open(JSON_URL).read().decode('utf-8')
versions_info = json.loads(versions_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/blackjack4494/yt-dlc/releases/latest')
return
if 'signature' not in versions_info:
to_screen('ERROR: the versions file is not signed or corrupted. Aborting.')
return
# signature = versions_info['signature']
del versions_info['signature']
version_id = versions_info['latest']
def version_tuple(version_str):
return tuple(map(int, version_str.split('.')))
if version_tuple(__version__) >= version_tuple(version_id):
to_screen('youtube-dlc is up to date (%s)' % __version__)
return
to_screen('Updating to version ' + version_id + ' ...')
version = versions_info['versions'][version_id]
print_notes(to_screen, versions_info['versions'])
# 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
# Py2EXE
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:
urlh = opener.open(version['exe'][0])
newcontent = urlh.read()
urlh.close()
except (IOError, OSError):
if verbose:
to_screen(encode_compat_str(traceback.format_exc()))
to_screen('ERROR: unable to download latest version')
to_screen('Visit https://github.com/blackjack4494/yt-dlc/releases/latest')
return
newcontent_hash = hashlib.sha256(newcontent).hexdigest()
if newcontent_hash != version['exe'][1]:
to_screen('ERROR: the downloaded file hash does not match. Aborting.')
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
try:
bat = os.path.join(directory, 'youtube-dlc-updater.bat')
with io.open(bat, 'w') as batfile:
batfile.write('''
@echo off
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 youtube-dlc to version %s.
start /b "" cmd /c del "%%~f0"&exit /b"
\n''' % (exe, exe, version_id))
subprocess.Popen([bat]) # Continues to run in the background
return # Do not show premature success messages
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:
urlh = opener.open(version['bin'][0])
newcontent = urlh.read()
urlh.close()
except (IOError, OSError):
if verbose:
to_screen(encode_compat_str(traceback.format_exc()))
to_screen('ERROR: unable to download latest version')
to_screen('Visit https://github.com/blackjack4494/yt-dlc/releases/latest')
return
newcontent_hash = hashlib.sha256(newcontent).hexdigest()
if newcontent_hash != version['bin'][1]:
to_screen('ERROR: the downloaded file hash does not match. Aborting.')
return
try:
with open(filename, 'wb') as outf:
outf.write(newcontent)
except (IOError, OSError):
if verbose:
to_screen(encode_compat_str(traceback.format_exc()))
to_screen('ERROR: unable to overwrite current version')
return
to_screen('Updated youtube-dlc. Restart youtube-dlc to use the new version.')
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)