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from __future__ import unicode_literals
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
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):
''' Exists for backward compatibility. Use run_update(ydl) instead '''
printfn = to_screen
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())
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, network=False, expected=False, delim=';'):
if network:
msg += '%s Visit https://github.com/yt-dlp/yt-dlp/releases/latest' % delim
ydl.report_error(msg, tb='' if network or expected else None)
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()
err = None
if isinstance(globals().get('__loader__'), zipimporter):
# We only support python 3.6 or above
if sys.version_info < (3, 6):
err = 'This is the last release of yt-dlp for Python version %d.%d! Please update to Python 3.6 or above' % sys.version_info[:2]
elif hasattr(sys, 'frozen'):
# Python 3.6 supports only vista and above
if sys.getwindowsversion()[0] < 6:
err = 'This is the last release of yt-dlp for your version of Windows. Please update to Windows Vista or above'
else:
err = 'It looks like you installed yt-dlp with a package manager, pip, setup.py or a tarball. Please use that to update'
if err:
return report_error(err, expected=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('Current Build Hash %s' % calc_sha256sum(filename))
# 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_error('can\'t obtain versions info. Please try again later ', True, delim='or')
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):
ydl.to_screen('yt-dlp is up to date (%s)' % __version__)
return
ydl.to_screen('Updating to version ' + version_id + ' ...')
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((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 = ydl._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)
if not os.access(filename, os.W_OK):
return report_error('no write permissions on %s' % filename, expected=True)
# PyInstaller
if hasattr(sys, 'frozen'):
exe = filename
directory = os.path.dirname(exe)
if not os.access(directory, os.W_OK):
return report_error('no write permissions on %s' % directory, expected=True)
try:
if os.path.exists(filename + '.old'):
os.remove(filename + '.old')
except (IOError, OSError):
return report_error('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 report_error('unable to fetch updates', True)
urlh = ydl._opener.open(url)
newcontent = urlh.read()
urlh.close()
except (IOError, OSError, StopIteration):
return report_error('unable to download latest version', True)
try:
with open(exe + '.new', 'wb') as outf:
outf.write(newcontent)
except (IOError, OSError):
return report_error('unable to write the new version')
expected_sum = get_sha256sum('exe', arch)
if not expected_sum:
ydl.report_warning('no hash information found for the release')
elif calc_sha256sum(exe + '.new') != expected_sum:
report_error('unable to verify the new executable', True)
try:
os.remove(exe + '.new')
except OSError:
return report_error('unable to remove corrupt download')
try:
os.rename(exe, exe + '.old')
except (IOError, OSError):
return report_error('unable to move current version')
try:
os.rename(exe + '.new', exe)
except (IOError, OSError):
report_error('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 yt-dlp to version %s' % version_id)
return True # Exit app
except OSError:
report_error('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 report_error('unable to fetch updates', True)
urlh = ydl._opener.open(url)
newcontent = urlh.read()
urlh.close()
except (IOError, OSError, StopIteration):
return report_error('unable to download latest version', True)
expected_sum = get_sha256sum('zip', '3')
if expected_sum and hashlib.sha256(newcontent).hexdigest() != expected_sum:
return report_error('unable to verify the new zip', True)
try:
with open(filename, 'wb') as outf:
outf.write(newcontent)
except (IOError, OSError):
return report_error('unable to overwrite current version')
ydl.to_screen('Updated yt-dlp to version %s; Restart yt-dlp to use the new version' % version_id)
''' # 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)
'''
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