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Diffstat (limited to 'youtube_dl/update.py')
-rw-r--r--youtube_dl/update.py45
1 files changed, 31 insertions, 14 deletions
diff --git a/youtube_dl/update.py b/youtube_dl/update.py
index 273083761..d32a86708 100644
--- a/youtube_dl/update.py
+++ b/youtube_dl/update.py
@@ -13,13 +13,17 @@ from .utils import (
)
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')
+ if version_info[0] == 2:
+ return x
+ else:
+ return x.encode('latin1')
assert(type(message) == type(b('')))
block_size = 0
n = key[0]
@@ -32,13 +36,17 @@ def rsa_verify(message, signature, key):
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
+ if signature[0:2] != b('\x00\x01'):
+ return False
signature = signature[2:]
- if not b('\x00') in signature: return False
+ 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 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
@@ -58,7 +66,8 @@ def update_self(to_screen, verbose):
try:
newversion = compat_urllib_request.urlopen(VERSION_URL).read().decode('utf-8').strip()
except:
- if verbose: to_screen(compat_str(traceback.format_exc()))
+ if verbose:
+ to_screen(compat_str(traceback.format_exc()))
to_screen(u'ERROR: can\'t find the current version. Please try again later.')
return
if newversion == __version__:
@@ -70,7 +79,8 @@ 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()))
+ if verbose:
+ to_screen(compat_str(traceback.format_exc()))
to_screen(u'ERROR: can\'t obtain versions info. Please try again later.')
return
if not 'signature' in versions_info:
@@ -118,7 +128,8 @@ def update_self(to_screen, verbose):
newcontent = urlh.read()
urlh.close()
except (IOError, OSError):
- if verbose: to_screen(compat_str(traceback.format_exc()))
+ if verbose:
+ to_screen(compat_str(traceback.format_exc()))
to_screen(u'ERROR: unable to download latest version')
return
@@ -131,7 +142,8 @@ def update_self(to_screen, verbose):
with open(exe + '.new', 'wb') as outf:
outf.write(newcontent)
except (IOError, OSError):
- if verbose: to_screen(compat_str(traceback.format_exc()))
+ if verbose:
+ to_screen(compat_str(traceback.format_exc()))
to_screen(u'ERROR: unable to write the new version')
return
@@ -150,7 +162,8 @@ start /b "" cmd /c del "%%~f0"&exit /b"
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()))
+ if verbose:
+ to_screen(compat_str(traceback.format_exc()))
to_screen(u'ERROR: unable to overwrite current version')
return
@@ -161,7 +174,8 @@ 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()))
+ if verbose:
+ to_screen(compat_str(traceback.format_exc()))
to_screen(u'ERROR: unable to download latest version')
return
@@ -174,19 +188,22 @@ start /b "" cmd /c del "%%~f0"&exit /b"
with open(filename, 'wb') as outf:
outf.write(newcontent)
except (IOError, OSError):
- if verbose: to_screen(compat_str(traceback.format_exc()))
+ if verbose:
+ to_screen(compat_str(traceback.format_exc()))
to_screen(u'ERROR: unable to overwrite current version')
return
to_screen(u'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: