R-yan/l1ving_youtube-dl
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regex group names from dict

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This commit is contained in:
phiresky 2015-03-10 19:35:36 +01:00
parent b15128a953
commit 6a0a6bbb6e
1 changed files with 4 additions and 6 deletions
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10
youtube_dl/postprocessor/metadatafromtitle.py
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@ -13,7 +13,7 @@ class MetadataFromTitlePPError(PostProcessingError):
class MetadataFromTitlePP(PostProcessor):
def __init__(self, downloader, titleformat):
self._titleformat = titleformat
self._titleregex, self._attributes = self.fmtToRegex(titleformat)
self._titleregex = self.fmtToRegex(titleformat)
def fmtToRegex(self, fmt):
"""
@ -29,20 +29,18 @@ class MetadataFromTitlePP(PostProcessor):
# replace %(..)s with regex group and escape other string parts
for match in re.finditer(r'%\((\w+)\)s', fmt):
regex += re.escape(fmt[lastpos:match.start()])
groupname = match.group(1)
groups.append(groupname)
regex += r'(?P<' + groupname + '>.+)'
regex += r'(?P<' + match.group(1) + '>.+)'
lastpos = match.end()
if lastpos < len(fmt):
regex += re.escape(fmt[lastpos:len(fmt)])
return regex, groups
return regex
def run(self, info):
title = info['title']
match = re.match(self._titleregex, title)
if match is None:
raise MetadataFromTitlePPError('Could not interpret title of video as "%s"' % self._titleformat)
for attribute in self._attributes:
for attribute, value in match.groupdict().items():
value = match.group(attribute)
info[attribute] = value
self._downloader.to_screen('[fromtitle] parsed ' + attribute + ': ' + value)