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Added ImageLinkExtractor's missing docstring 

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extra : convert_revision : svn%3Ab85faa78-f9eb-468e-a121-7cced6da292c%40593
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elpolilla 2009-01-02 02:25:17 +00:00
parent 5757e54a28
commit c82c799d07
1 changed files with 9 additions and 0 deletions
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9
scrapy/trunk/scrapy/link/extractors.py
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@ -87,6 +87,15 @@ class RegexLinkExtractor(LinkExtractor):
return any(allowed) and not any(denied)
class ImageLinkExtractor(object):
'''ImageLinkExtractor objects are intended to extract image links from HTML pages
given certain xpath locations.
These locations can be passed in a list/tuple either when instanciating the LinkExtractor,
or whenever you call extract_links.
If no locations are specified in any of these places, a default pattern '//img' will be used.
If locations are specified when instanciating the LinkExtractor, and also when calling extract_links,
both locations will be used for that call of extract_links'''
def __init__(self, locations=None):
self.locations = tuple(locations) if hasattr(locations, '__iter__') else tuple()