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yt-dlc
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[utils] Improve xpath_text

This commit is contained in:
Sergey M․ 2015-09-05 00:34:49 +06:00
parent 22889ab175
commit 8e636da499
1 changed files with 13 additions and 2 deletions
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15
youtube_dl/utils.py
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@ -181,7 +181,7 @@ def xpath_element(node, xpath, name=None, fatal=False, default=NO_DEFAULT):
xpath = xpath.encode('ascii')
n = node.find(xpath)
if n is None or n.text is None:
if n is None:
if default is not NO_DEFAULT:
return default
elif fatal:
@ -193,7 +193,18 @@ def xpath_element(node, xpath, name=None, fatal=False, default=NO_DEFAULT):
def xpath_text(node, xpath, name=None, fatal=False, default=NO_DEFAULT):
return xpath_element(node, xpath, name, fatal=fatal, default=default).text
n = xpath_element(node, xpath, name, fatal=fatal, default=default)
if n is None or n == default:
return n
if n.text is None:
if default is not NO_DEFAULT:
return default
elif fatal:
name = xpath if name is None else name
raise ExtractorError('Could not find XML element\'s text %s' % name)
else:
return None
return n.text
def xpath_attr(node, xpath, key, name=None, fatal=False, default=NO_DEFAULT):