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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/pukkandan/yt-dlp/releases/latest'
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 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/pukkandan/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 + ' ...')
def get_bin_info(bin_or_exe, version):
labels = {
'zip_3': '',
'zip_2': '',
# 'zip_2': '_py2',
'exe_64': '.exe',
'exe_32': '_x86.exe',
}
label = labels['%s_%s' % (bin_or_exe, version)]
return next(
i for i in version_info['assets']
if i['name'] in ('yt-dlp%s' % label, 'youtube-dlc%s' % label))
# 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]
urlh = opener.open(get_bin_info('exe', arch)['browser_download_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/pukkandan/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
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 # 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:
py_ver = platform.python_version()[0]
urlh = opener.open(get_bin_info('zip', py_ver)['browser_download_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/pukkandan/yt-dlp/releases/latest')
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 yt-dlp. Restart youtube-dlc 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)
'''
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