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SitemapSpider: added support for parsing gzipped sitemaps (patch contributed by Rolando Espinoza)

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This commit is contained in:
Pablo Hoffman 2011-07-06 01:33:46 -03:00
parent 5707051352
commit 949e11ee31
1 changed files with 11 additions and 2 deletions
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13
scrapy/contrib/spiders/sitemap.py
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@ -3,6 +3,7 @@ import re
from scrapy.spider import BaseSpider
from scrapy.http import Request, XmlResponse
from scrapy.utils.sitemap import Sitemap, sitemap_urls_from_robots
from scrapy.utils.gz import gunzip
from scrapy import log
class SitemapSpider(BaseSpider):
@ -28,10 +29,15 @@ class SitemapSpider(BaseSpider):
for url in sitemap_urls_from_robots(response.body):
yield Request(url, callback=self._parse_sitemap)
else:
if not isinstance(response, XmlResponse):
if isinstance(response, XmlResponse):
body = response.body
elif is_gzipped(response):
body = gunzip(response.body)
else:
log.msg("Ignoring non-XML sitemap: %s" % response, log.WARNING)
return
s = Sitemap(response.body)
s = Sitemap(body)
if s.type == 'sitemapindex':
for loc in iterloc(s):
if any(x.search(loc) for x in self._follow):
@ -43,6 +49,9 @@ class SitemapSpider(BaseSpider):
yield Request(loc, callback=c)
break
def is_gzipped(response):
ctype = response.headers.get('Content-Type', '')
return ctype in ('application/x-gzip', 'applicatoin/gzip')
def regex(x):
if isinstance(x, basestring):