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-rw-r--r--youtube_dl/compat.py23
1 files changed, 22 insertions, 1 deletions
diff --git a/youtube_dl/compat.py b/youtube_dl/compat.py
index b8aaf5a46..718902019 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 . !
@@ -2787,6 +2806,7 @@ 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 +2883,7 @@ __all__ = [
'compat_cookiejar',
'compat_cookies',
'compat_etree_fromstring',
+ 'compat_etree_register_namespace',
'compat_expanduser',
'compat_get_terminal_size',
'compat_getenv',