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[youtubedl] / youtube_dl / compat.py

diff --git a/youtube_dl/compat.py b/youtube_dl/compat.py
index 9d33a8ec5fbd80a75a5d382e8621f6dc616c7aa0..e989cdbbd180abf4543726e86d088cd45225bfca 100644 (file)
--- a/youtube_dl/compat.py
+++ b/youtube_dl/compat.py
@@ -3,53 +3,55 @@ from __future__ import unicode_literals
 import getpass
 import optparse
 import os
 import getpass
 import optparse
 import os

+import re
+import socket

 import subprocess
 import sys
 
 
 try:
     import urllib.request as compat_urllib_request
 import subprocess
 import sys
 
 
 try:
     import urllib.request as compat_urllib_request

-except ImportError: # Python 2
+except ImportError:  # Python 2

     import urllib2 as compat_urllib_request
 
 try:
     import urllib.error as compat_urllib_error
     import urllib2 as compat_urllib_request
 
 try:
     import urllib.error as compat_urllib_error

-except ImportError: # Python 2
+except ImportError:  # Python 2

     import urllib2 as compat_urllib_error
 
 try:
     import urllib.parse as compat_urllib_parse
     import urllib2 as compat_urllib_error
 
 try:
     import urllib.parse as compat_urllib_parse

-except ImportError: # Python 2
+except ImportError:  # Python 2

     import urllib as compat_urllib_parse
 
 try:
     from urllib.parse import urlparse as compat_urllib_parse_urlparse
     import urllib as compat_urllib_parse
 
 try:
     from urllib.parse import urlparse as compat_urllib_parse_urlparse

-except ImportError: # Python 2
+except ImportError:  # Python 2

     from urlparse import urlparse as compat_urllib_parse_urlparse
 
 try:
     import urllib.parse as compat_urlparse
     from urlparse import urlparse as compat_urllib_parse_urlparse
 
 try:
     import urllib.parse as compat_urlparse

-except ImportError: # Python 2
+except ImportError:  # Python 2

     import urlparse as compat_urlparse
 
 try:
     import http.cookiejar as compat_cookiejar
     import urlparse as compat_urlparse
 
 try:
     import http.cookiejar as compat_cookiejar

-except ImportError: # Python 2
+except ImportError:  # Python 2

     import cookielib as compat_cookiejar
 
 try:
     import html.entities as compat_html_entities
     import cookielib as compat_cookiejar
 
 try:
     import html.entities as compat_html_entities

-except ImportError: # Python 2
+except ImportError:  # Python 2

     import htmlentitydefs as compat_html_entities
 
 try:
     import html.parser as compat_html_parser
     import htmlentitydefs as compat_html_entities
 
 try:
     import html.parser as compat_html_parser

-except ImportError: # Python 2
+except ImportError:  # Python 2

     import HTMLParser as compat_html_parser
 
 try:
     import http.client as compat_http_client
     import HTMLParser as compat_html_parser
 
 try:
     import http.client as compat_http_client

-except ImportError: # Python 2
+except ImportError:  # Python 2

     import httplib as compat_http_client
 
 try:
     import httplib as compat_http_client
 
 try:


@@ -69,6 +71,11 @@ try:
 except ImportError:
     compat_subprocess_get_DEVNULL = lambda: open(os.path.devnull, 'w')
 
 except ImportError:
     compat_subprocess_get_DEVNULL = lambda: open(os.path.devnull, 'w')
 

+try:
+    import http.server as compat_http_server
+except ImportError:
+    import BaseHTTPServer as compat_http_server
+

 try:
     from urllib.parse import unquote as compat_urllib_parse_unquote
 except ImportError:
 try:
     from urllib.parse import unquote as compat_urllib_parse_unquote
 except ImportError:


@@ -107,16 +114,36 @@ except ImportError:
             string += pct_sequence.decode(encoding, errors)
         return string
 
             string += pct_sequence.decode(encoding, errors)
         return string
 

+try:
+    compat_str = unicode  # Python 2
+except NameError:
+    compat_str = str
+
+try:
+    compat_basestring = basestring  # Python 2
+except NameError:
+    compat_basestring = str
+
+try:
+    compat_chr = unichr  # Python 2
+except NameError:
+    compat_chr = chr
+
+try:
+    from xml.etree.ElementTree import ParseError as compat_xml_parse_error
+except ImportError:  # Python 2.6
+    from xml.parsers.expat import ExpatError as compat_xml_parse_error
+

 
 try:
     from urllib.parse import parse_qs as compat_parse_qs
 
 try:
     from urllib.parse import parse_qs as compat_parse_qs

-except ImportError: # Python 2
+except ImportError:  # Python 2

     # HACK: The following is the correct parse_qs implementation from cpython 3's stdlib.
     # Python 2's version is apparently totally broken
 
     def _parse_qsl(qs, keep_blank_values=False, strict_parsing=False,
     # HACK: The following is the correct parse_qs implementation from cpython 3's stdlib.
     # Python 2's version is apparently totally broken
 
     def _parse_qsl(qs, keep_blank_values=False, strict_parsing=False,

-                encoding='utf-8', errors='replace'):
-        qs, _coerce_result = qs, unicode
+                   encoding='utf-8', errors='replace'):
+        qs, _coerce_result = qs, compat_str

         pairs = [s2 for s1 in qs.split('&') for s2 in s1.split(';')]
         r = []
         for name_value in pairs:
         pairs = [s2 for s1 in qs.split('&') for s2 in s1.split(';')]
         r = []
         for name_value in pairs:


@@ -144,10 +171,10 @@ except ImportError: # Python 2
         return r
 
     def compat_parse_qs(qs, keep_blank_values=False, strict_parsing=False,
         return r
 
     def compat_parse_qs(qs, keep_blank_values=False, strict_parsing=False,

-                encoding='utf-8', errors='replace'):
+                        encoding='utf-8', errors='replace'):

         parsed_result = {}
         pairs = _parse_qsl(qs, keep_blank_values, strict_parsing,
         parsed_result = {}
         pairs = _parse_qsl(qs, keep_blank_values, strict_parsing,

-                        encoding=encoding, errors=errors)
+                           encoding=encoding, errors=errors)

         for name, value in pairs:
             if name in parsed_result:
                 parsed_result[name].append(value)
         for name, value in pairs:
             if name in parsed_result:
                 parsed_result[name].append(value)


@@ -155,31 +182,21 @@ except ImportError: # Python 2
                 parsed_result[name] = [value]
         return parsed_result
 
                 parsed_result[name] = [value]
         return parsed_result
 

-try:
-    compat_str = unicode # Python 2
-except NameError:
-    compat_str = str
-
-try:
-    compat_chr = unichr # Python 2
-except NameError:
-    compat_chr = chr
-
-try:
-    from xml.etree.ElementTree import ParseError as compat_xml_parse_error
-except ImportError:  # Python 2.6
-    from xml.parsers.expat import ExpatError as compat_xml_parse_error
-

 try:
     from shlex import quote as shlex_quote
 except ImportError:  # Python < 3.3
     def shlex_quote(s):
 try:
     from shlex import quote as shlex_quote
 except ImportError:  # Python < 3.3
     def shlex_quote(s):

-        return "'" + s.replace("'", "'\"'\"'") + "'"
+        if re.match(r'^[-_\w./]+$', s):
+            return s
+        else:
+            return "'" + s.replace("'", "'\"'\"'") + "'"

 
 
 def compat_ord(c):
 
 
 def compat_ord(c):

-    if type(c) is int: return c
-    else: return ord(c)
+    if type(c) is int:
+        return c
+    else:
+        return ord(c)

 
 
 if sys.version_info >= (3, 0):
 
 
 if sys.version_info >= (3, 0):


@@ -241,7 +258,7 @@ else:
                 userhome = compat_getenv('HOME')
             elif 'USERPROFILE' in os.environ:
                 userhome = compat_getenv('USERPROFILE')
                 userhome = compat_getenv('HOME')
             elif 'USERPROFILE' in os.environ:
                 userhome = compat_getenv('USERPROFILE')

-            elif not 'HOMEPATH' in os.environ:
+            elif 'HOMEPATH' not in os.environ:

                 return path
             else:
                 try:
                 return path
             else:
                 try:


@@ -250,7 +267,7 @@ else:
                     drive = ''
                 userhome = os.path.join(drive, compat_getenv('HOMEPATH'))
 
                     drive = ''
                 userhome = os.path.join(drive, compat_getenv('HOMEPATH'))
 

-            if i != 1: #~user
+            if i != 1:  # ~user

                 userhome = os.path.join(os.path.dirname(userhome), path[1:i])
 
             return userhome + path[i:]
                 userhome = os.path.join(os.path.dirname(userhome), path[1:i])
 
             return userhome + path[i:]


@@ -264,7 +281,7 @@ if sys.version_info < (3, 0):
         print(s.encode(preferredencoding(), 'xmlcharrefreplace'))
 else:
     def compat_print(s):
         print(s.encode(preferredencoding(), 'xmlcharrefreplace'))
 else:
     def compat_print(s):

-        assert type(s) == type(u'')
+        assert isinstance(s, compat_str)

         print(s)
 
 
         print(s)
 
 


@@ -291,7 +308,9 @@ else:
 
 # Old 2.6 and 2.7 releases require kwargs to be bytes
 try:
 
 # Old 2.6 and 2.7 releases require kwargs to be bytes
 try:

-    (lambda x: x)(**{'x': 0})
+    def _testfunc(x):
+        pass
+    _testfunc(**{'x': 0})

 except TypeError:
     def compat_kwargs(kwargs):
         return dict((bytes(k), v) for k, v in kwargs.items())
 except TypeError:
     def compat_kwargs(kwargs):
         return dict((bytes(k), v) for k, v in kwargs.items())


@@ -299,6 +318,32 @@ else:
     compat_kwargs = lambda kwargs: kwargs
 
 
     compat_kwargs = lambda kwargs: kwargs
 
 

+if sys.version_info < (2, 7):
+    def compat_socket_create_connection(address, timeout, source_address=None):
+        host, port = address
+        err = None
+        for res in socket.getaddrinfo(host, port, 0, socket.SOCK_STREAM):
+            af, socktype, proto, canonname, sa = res
+            sock = None
+            try:
+                sock = socket.socket(af, socktype, proto)
+                sock.settimeout(timeout)
+                if source_address:
+                    sock.bind(source_address)
+                sock.connect(sa)
+                return sock
+            except socket.error as _:
+                err = _
+                if sock is not None:
+                    sock.close()
+        if err is not None:
+            raise err
+        else:
+            raise socket.error("getaddrinfo returns an empty list")
+else:
+    compat_socket_create_connection = socket.create_connection
+
+

 # Fix https://github.com/rg3/youtube-dl/issues/4223
 # See http://bugs.python.org/issue9161 for what is broken
 def workaround_optparse_bug9161():
 # Fix https://github.com/rg3/youtube-dl/issues/4223
 # See http://bugs.python.org/issue9161 for what is broken
 def workaround_optparse_bug9161():


@@ -322,6 +367,7 @@ def workaround_optparse_bug9161():
 
 __all__ = [
     'compat_HTTPError',
 
 __all__ = [
     'compat_HTTPError',

+    'compat_basestring',

     'compat_chr',
     'compat_cookiejar',
     'compat_expanduser',
     'compat_chr',
     'compat_cookiejar',
     'compat_expanduser',


@@ -330,10 +376,12 @@ __all__ = [
     'compat_html_entities',
     'compat_html_parser',
     'compat_http_client',
     'compat_html_entities',
     'compat_html_parser',
     'compat_http_client',

+    'compat_http_server',

     'compat_kwargs',
     'compat_ord',
     'compat_parse_qs',
     'compat_print',
     'compat_kwargs',
     'compat_ord',
     'compat_parse_qs',
     'compat_print',

+    'compat_socket_create_connection',

     'compat_str',
     'compat_subprocess_get_DEVNULL',
     'compat_urllib_error',
     'compat_str',
     'compat_subprocess_get_DEVNULL',
     'compat_urllib_error',