diff options
Diffstat (limited to 'youtube_dl/update.py')
| -rw-r--r-- | youtube_dl/update.py | 101 |
1 files changed, 57 insertions, 44 deletions
diff --git a/youtube_dl/update.py b/youtube_dl/update.py index 273083761..2d2703368 100644 --- a/youtube_dl/update.py +++ b/youtube_dl/update.py @@ -1,3 +1,5 @@ +from __future__ import unicode_literals + import io import json import traceback @@ -7,20 +9,18 @@ import subprocess import sys from zipimport import zipimporter -from .utils import ( +from .compat import ( compat_str, compat_urllib_request, ) from .version import __version__ + def rsa_verify(message, signature, key): from struct import pack from hashlib import sha256 - from sys import version_info - def b(x): - if version_info[0] == 2: return x - else: return x.encode('latin1') - assert(type(message) == type(b(''))) + + assert isinstance(message, bytes) block_size = 0 n = key[0] while n: @@ -31,14 +31,18 @@ def rsa_verify(message, signature, key): while signature: raw_bytes.insert(0, pack("B", signature & 0xFF)) signature >>= 8 - signature = (block_size - len(raw_bytes)) * b('\x00') + b('').join(raw_bytes) - if signature[0:2] != b('\x00\x01'): return False + signature = (block_size - len(raw_bytes)) * b'\x00' + b''.join(raw_bytes) + if signature[0:2] != b'\x00\x01': + return False signature = signature[2:] - if not b('\x00') in signature: return False - signature = signature[signature.index(b('\x00'))+1:] - if not signature.startswith(b('\x30\x31\x30\x0D\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x01\x05\x00\x04\x20')): return False + if b'\x00' not in signature: + return False + signature = signature[signature.index(b'\x00') + 1:] + if not signature.startswith(b'\x30\x31\x30\x0D\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x01\x05\x00\x04\x20'): + return False signature = signature[19:] - if signature != sha256(message).digest(): return False + if signature != sha256(message).digest(): + return False return True @@ -51,18 +55,19 @@ def update_self(to_screen, verbose): UPDATES_RSA_KEY = (0x9d60ee4d8f805312fdb15a62f87b95bd66177b91df176765d13514a0f1754bcd2057295c5b6f1d35daa6742c3ffc9a82d3e118861c207995a8031e151d863c9927e304576bc80692bc8e094896fcf11b66f3e29e04e3a71e9a11558558acea1840aec37fc396fb6b65dc81a1c4144e03bd1c011de62e3f1357b327d08426fe93, 65537) if not isinstance(globals().get('__loader__'), zipimporter) and not hasattr(sys, "frozen"): - to_screen(u'It looks like you installed youtube-dl with a package manager, pip, setup.py or a tarball. Please use that to update.') + to_screen('It looks like you installed youtube-dl with a package manager, pip, setup.py or a tarball. Please use that to update.') return # Check if there is a new version try: newversion = compat_urllib_request.urlopen(VERSION_URL).read().decode('utf-8').strip() except: - if verbose: to_screen(compat_str(traceback.format_exc())) - to_screen(u'ERROR: can\'t find the current version. Please try again later.') + if verbose: + to_screen(compat_str(traceback.format_exc())) + to_screen('ERROR: can\'t find the current version. Please try again later.') return if newversion == __version__: - to_screen(u'youtube-dl is up-to-date (' + __version__ + ')') + to_screen('youtube-dl is up-to-date (' + __version__ + ')') return # Download and check versions info @@ -70,16 +75,17 @@ def update_self(to_screen, verbose): versions_info = compat_urllib_request.urlopen(JSON_URL).read().decode('utf-8') versions_info = json.loads(versions_info) except: - if verbose: to_screen(compat_str(traceback.format_exc())) - to_screen(u'ERROR: can\'t obtain versions info. Please try again later.') + if verbose: + to_screen(compat_str(traceback.format_exc())) + to_screen('ERROR: can\'t obtain versions info. Please try again later.') return - if not 'signature' in versions_info: - to_screen(u'ERROR: the versions file is not signed or corrupted. Aborting.') + 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'] if not rsa_verify(json.dumps(versions_info, sort_keys=True).encode('utf-8'), signature, UPDATES_RSA_KEY): - to_screen(u'ERROR: the versions file signature is invalid. Aborting.') + to_screen('ERROR: the versions file signature is invalid. Aborting.') return version_id = versions_info['latest'] @@ -87,10 +93,10 @@ def update_self(to_screen, verbose): def version_tuple(version_str): return tuple(map(int, version_str.split('.'))) if version_tuple(__version__) >= version_tuple(version_id): - to_screen(u'youtube-dl is up to date (%s)' % __version__) + to_screen('youtube-dl is up to date (%s)' % __version__) return - to_screen(u'Updating to version ' + version_id + ' ...') + to_screen('Updating to version ' + version_id + ' ...') version = versions_info['versions'][version_id] print_notes(to_screen, versions_info['versions']) @@ -98,11 +104,11 @@ def update_self(to_screen, verbose): filename = sys.argv[0] # Py2EXE: Filename could be different if hasattr(sys, "frozen") and not os.path.isfile(filename): - if os.path.isfile(filename + u'.exe'): - filename += u'.exe' + if os.path.isfile(filename + '.exe'): + filename += '.exe' if not os.access(filename, os.W_OK): - to_screen(u'ERROR: no write permissions on %s' % filename) + to_screen('ERROR: no write permissions on %s' % filename) return # Py2EXE @@ -110,7 +116,7 @@ def update_self(to_screen, verbose): exe = os.path.abspath(filename) directory = os.path.dirname(exe) if not os.access(directory, os.W_OK): - to_screen(u'ERROR: no write permissions on %s' % directory) + to_screen('ERROR: no write permissions on %s' % directory) return try: @@ -118,40 +124,43 @@ def update_self(to_screen, verbose): newcontent = urlh.read() urlh.close() except (IOError, OSError): - if verbose: to_screen(compat_str(traceback.format_exc())) - to_screen(u'ERROR: unable to download latest version') + if verbose: + to_screen(compat_str(traceback.format_exc())) + to_screen('ERROR: unable to download latest version') return newcontent_hash = hashlib.sha256(newcontent).hexdigest() if newcontent_hash != version['exe'][1]: - to_screen(u'ERROR: the downloaded file hash does not match. Aborting.') + 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(compat_str(traceback.format_exc())) - to_screen(u'ERROR: unable to write the new version') + if verbose: + to_screen(compat_str(traceback.format_exc())) + to_screen('ERROR: unable to write the new version') return try: bat = os.path.join(directory, 'youtube-dl-updater.bat') with io.open(bat, 'w') as batfile: - batfile.write(u""" + 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-dl to version %s. start /b "" cmd /c del "%%~f0"&exit /b" - \n""" % (exe, exe, version_id)) + \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(compat_str(traceback.format_exc())) - to_screen(u'ERROR: unable to overwrite current version') + if verbose: + to_screen(compat_str(traceback.format_exc())) + to_screen('ERROR: unable to overwrite current version') return # Zip unix package @@ -161,35 +170,39 @@ start /b "" cmd /c del "%%~f0"&exit /b" newcontent = urlh.read() urlh.close() except (IOError, OSError): - if verbose: to_screen(compat_str(traceback.format_exc())) - to_screen(u'ERROR: unable to download latest version') + if verbose: + to_screen(compat_str(traceback.format_exc())) + to_screen('ERROR: unable to download latest version') return newcontent_hash = hashlib.sha256(newcontent).hexdigest() if newcontent_hash != version['bin'][1]: - to_screen(u'ERROR: the downloaded file hash does not match. Aborting.') + 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(compat_str(traceback.format_exc())) - to_screen(u'ERROR: unable to overwrite current version') + if verbose: + to_screen(compat_str(traceback.format_exc())) + to_screen('ERROR: unable to overwrite current version') return - to_screen(u'Updated youtube-dl. Restart youtube-dl to use the new version.') + to_screen('Updated youtube-dl. Restart youtube-dl to use the new version.') + def get_notes(versions, fromVersion): notes = [] - for v,vdata in sorted(versions.items()): + 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(u'PLEASE NOTE:') + to_screen('PLEASE NOTE:') for note in notes: to_screen(note) |