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-rw-r--r--youtube_dl/utils.py12
1 files changed, 9 insertions, 3 deletions
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 39860e9..c42dd4c 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -365,9 +365,9 @@ def get_elements_by_attribute(attribute, value, html, escape_value=True):
retlist = []
for m in re.finditer(r'''(?xs)
<([a-zA-Z0-9:._-]+)
- (?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]*|="[^"]*"|='[^']*'))*?
+ (?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]*|="[^"]*"|='[^']*'|))*?
\s+%s=['"]?%s['"]?
- (?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]*|="[^"]*"|='[^']*'))*?
+ (?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]*|="[^"]*"|='[^']*'|))*?
\s*>
(?P<content>.*?)
</\1>
@@ -596,7 +596,7 @@ def unescapeHTML(s):
assert type(s) == compat_str
return re.sub(
- r'&([^;]+;)', lambda m: _htmlentity_transform(m.group(1)), s)
+ r'&([^&;]+;)', lambda m: _htmlentity_transform(m.group(1)), s)
def get_subprocess_encoding():
@@ -1815,6 +1815,10 @@ def float_or_none(v, scale=1, invscale=1, default=None):
return default
+def bool_or_none(v, default=None):
+ return v if isinstance(v, bool) else default
+
+
def strip_or_none(v):
return None if v is None else v.strip()
@@ -2733,6 +2737,8 @@ def cli_option(params, command_option, param):
def cli_bool_option(params, command_option, param, true_value='true', false_value='false', separator=None):
param = params.get(param)
+ if param is None:
+ return []
assert isinstance(param, bool)
if separator:
return [command_option + separator + (true_value if param else false_value)]