X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/99b46abf79266c2bf5eabc291dc4f366e61b5dde..1d04e265122c7ed6edf8f3c75a0619931b9368b9:/youtube_dl/compat.py

diff --git a/youtube_dl/compat.py b/youtube_dl/compat.py
index b8aaf5a..3952711 100644
--- a/youtube_dl/compat.py
+++ b/youtube_dl/compat.py
@@ -2344,7 +2344,7 @@ try:
     from urllib.parse import unquote_plus as compat_urllib_parse_unquote_plus
 except ImportError:  # Python 2
     _asciire = (compat_urllib_parse._asciire if hasattr(compat_urllib_parse, '_asciire')
-                else re.compile('([\x00-\x7f]+)'))
+                else re.compile(r'([\x00-\x7f]+)'))
 
     # HACK: The following are the correct unquote_to_bytes, unquote and unquote_plus
     # implementations from cpython 3.4.3's stdlib. Python 2's version
@@ -2491,6 +2491,7 @@ class _TreeBuilder(etree.TreeBuilder):
     def doctype(self, name, pubid, system):
         pass
 
+
 if sys.version_info[0] >= 3:
     def compat_etree_fromstring(text):
         return etree.XML(text, parser=etree.XMLParser(target=_TreeBuilder()))
@@ -2528,6 +2529,24 @@ else:
                 el.text = el.text.decode('utf-8')
         return doc
 
+if hasattr(etree, 'register_namespace'):
+    compat_etree_register_namespace = etree.register_namespace
+else:
+    def compat_etree_register_namespace(prefix, uri):
+        """Register a namespace prefix.
+        The registry is global, and any existing mapping for either the
+        given prefix or the namespace URI will be removed.
+        *prefix* is the namespace prefix, *uri* is a namespace uri. Tags and
+        attributes in this namespace will be serialized with prefix if possible.
+        ValueError is raised if prefix is reserved or is invalid.
+        """
+        if re.match(r"ns\d+$", prefix):
+            raise ValueError("Prefix format reserved for internal use")
+        for k, v in list(etree._namespace_map.items()):
+            if k == uri or v == prefix:
+                del etree._namespace_map[k]
+        etree._namespace_map[uri] = prefix
+
 if sys.version_info < (2, 7):
     # Here comes the crazy part: In 2.6, if the xpath is a unicode,
     # .//node does not match if a node is a direct child of . !
@@ -2673,7 +2692,7 @@ else:
                 userhome = pwent.pw_dir
             userhome = userhome.rstrip('/')
             return (userhome + path[i:]) or '/'
-    elif compat_os_name == 'nt' or compat_os_name == 'ce':
+    elif compat_os_name in ('nt', 'ce'):
         def compat_expanduser(path):
             """Expand ~ and ~user constructs.
 
@@ -2741,6 +2760,12 @@ else:
     compat_kwargs = lambda kwargs: kwargs
 
 
+try:
+    compat_numeric_types = (int, float, long, complex)
+except NameError:  # Python 3
+    compat_numeric_types = (int, float, complex)
+
+
 if sys.version_info < (2, 7):
     def compat_socket_create_connection(address, timeout, source_address=None):
         host, port = address
@@ -2787,6 +2812,7 @@ def workaround_optparse_bug9161():
             return real_add_option(self, *bargs, **bkwargs)
         optparse.OptionGroup.add_option = _compat_add_option
 
+
 if hasattr(shutil, 'get_terminal_size'):  # Python >= 3.3
     compat_get_terminal_size = shutil.get_terminal_size
 else:
@@ -2863,6 +2889,7 @@ __all__ = [
     'compat_cookiejar',
     'compat_cookies',
     'compat_etree_fromstring',
+    'compat_etree_register_namespace',
     'compat_expanduser',
     'compat_get_terminal_size',
     'compat_getenv',
@@ -2874,6 +2901,7 @@ __all__ = [
     'compat_input',
     'compat_itertools_count',
     'compat_kwargs',
+    'compat_numeric_types',
     'compat_ord',
     'compat_os_name',
     'compat_parse_qs',