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Case insensitive rel values; ensure linked icon exists

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This commit is contained in:
Sam Ruby 2011-02-11 12:01:02 -05:00
parent 6481eaf5a8
commit c88afaacb0
1 changed files with 3 additions and 3 deletions
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6
favicon.py
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@ -32,11 +32,11 @@ for sub in config.subscriptions():
def favicon(page):
parser=html5parser.HTMLParser(tree=treebuilders.getTreeBuilder('dom'))
doc=parser.parse(urlopen(page))
favicon = urljoin(page, '/favicon.ico')
for link in doc.getElementsByTagName('link'):
if link.hasAttribute('rel') and link.hasAttribute('href'):
if 'icon' in link.attributes['rel'].value.split(' '):
return urljoin(page, link.attributes['href'].value)
favicon = urljoin(page, '/favicon.ico')
if 'icon' in link.attributes['rel'].value.lower().split(' '):
favicon = urljoin(page, link.attributes['href'].value)
if urlopen(favicon).info()['content-length'] != '0':
return favicon