debian/copyright: Fix missing-license-paragraph-in-dep5-copyright.

[youtubedl] / youtube_dl / update.py

diff --git a/youtube_dl/update.py b/youtube_dl/update.py
index 0689a4891200bf2a03024b96ec2ecda5d857efb1..4c07a558e7ad2f2db422ed2a0124df49efc6b09c 100644 (file)
--- a/youtube_dl/update.py
+++ b/youtube_dl/update.py
@@ -1,22 +1,26 @@
+from __future__ import unicode_literals
+

 import io
 import json
 import traceback
 import hashlib
 import io
 import json
 import traceback
 import hashlib

+import os

 import subprocess
 import sys
 from zipimport import zipimporter
 
 import subprocess
 import sys
 from zipimport import zipimporter
 

-from .utils import *
+from .compat import (
+    compat_str,
+    compat_urllib_request,
+)

 from .version import __version__
 
 from .version import __version__
 

+

 def rsa_verify(message, signature, key):
     from struct import pack
     from hashlib import sha256
 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:
     block_size = 0
     n = key[0]
     while n:


@@ -27,16 +31,21 @@ def rsa_verify(message, signature, key):
     while signature:
         raw_bytes.insert(0, pack("B", signature & 0xFF))
         signature >>= 8
     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:]
     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:]
     signature = signature[19:]

-    if signature != sha256(message).digest(): return False
+    if signature != sha256(message).digest():
+        return False

     return True
 
     return True
 

+

 def update_self(to_screen, verbose):
     """Update the program file with the latest version from the repository"""
 
 def update_self(to_screen, verbose):
     """Update the program file with the latest version from the repository"""
 


@@ -46,18 +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"):
     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:
         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__:
         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
         return
 
     # Download and check versions info


@@ -65,20 +75,28 @@ 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:
         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:
         return
     if not 'signature' in versions_info:

-        to_screen(u'ERROR: the versions file is not signed or corrupted. Aborting.')
+        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):
         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']
         return
 
     version_id = versions_info['latest']

-    to_screen(u'Updating to version ' + version_id + '...')
+
+    def version_tuple(version_str):
+        return tuple(map(int, version_str.split('.')))
+    if version_tuple(__version__) >= version_tuple(version_id):
+        to_screen('youtube-dl 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'])
     version = versions_info['versions'][version_id]
 
     print_notes(to_screen, versions_info['versions'])


@@ -86,11 +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):
     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):
 
     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
         return
 
     # Py2EXE


@@ -98,48 +116,51 @@ def update_self(to_screen, verbose):
         exe = os.path.abspath(filename)
         directory = os.path.dirname(exe)
         if not os.access(directory, os.W_OK):
         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:
             urlh = compat_urllib_request.urlopen(version['exe'][0])
             newcontent = urlh.read()
             urlh.close()
             return
 
         try:
             urlh = compat_urllib_request.urlopen(version['exe'][0])
             newcontent = urlh.read()
             urlh.close()

-        except (IOError, OSError) as err:
-            if verbose: to_screen(compat_str(traceback.format_exc()))
-            to_screen(u'ERROR: unable to download latest version')
+        except (IOError, OSError):
+            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]:
             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)
             return
 
         try:
             with open(exe + '.new', 'wb') as outf:
                 outf.write(newcontent)

-        except (IOError, OSError) as err:
-            if verbose: to_screen(compat_str(traceback.format_exc()))
-            to_screen(u'ERROR: unable to write the new version')
+        except (IOError, OSError):
+            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:
             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"
 @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
 
             subprocess.Popen([bat])  # Continues to run in the background
             return  # Do not show premature success messages

-        except (IOError, OSError) as err:
-            if verbose: to_screen(compat_str(traceback.format_exc()))
-            to_screen(u'ERROR: unable to overwrite current version')
+        except (IOError, OSError):
+            if verbose:
+                to_screen(compat_str(traceback.format_exc()))
+            to_screen('ERROR: unable to overwrite current version')

             return
 
     # Zip unix package
             return
 
     # Zip unix package


@@ -148,36 +169,40 @@ start /b "" cmd /c del "%%~f0"&exit /b"
             urlh = compat_urllib_request.urlopen(version['bin'][0])
             newcontent = urlh.read()
             urlh.close()
             urlh = compat_urllib_request.urlopen(version['bin'][0])
             newcontent = urlh.read()
             urlh.close()

-        except (IOError, OSError) as err:
-            if verbose: to_screen(compat_str(traceback.format_exc()))
-            to_screen(u'ERROR: unable to download latest version')
+        except (IOError, OSError):
+            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]:
             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)
             return
 
         try:
             with open(filename, 'wb') as outf:
                 outf.write(newcontent)

-        except (IOError, OSError) as err:
-            if verbose: to_screen(compat_str(traceback.format_exc()))
-            to_screen(u'ERROR: unable to overwrite current version')
+        except (IOError, OSError):
+            if verbose:
+                to_screen(compat_str(traceback.format_exc()))
+            to_screen('ERROR: unable to overwrite current version')

             return
 
             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 = []
 
 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
 
         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:
 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)
         for note in notes:
             to_screen(note)