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Parser now adds extra requests for every identifier to an external source that is in the Wikipedia chembox

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Nout van Deijck 2014-04-23 13:18:50 +02:00
parent b5c83125f7
commit 1ced65e2b6
1 changed files with 19 additions and 4 deletions
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21
FourmiCrawler/parsers/WikipediaParser.py
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@ -47,8 +47,14 @@ class WikipediaParser(Parser):
log.msg('Wiki prop: |%s| |%s| |%s|' % (item['attribute'], item['value'], item['source']), level=log.DEBUG)
items=filter(lambda a: a['value']!='', items) #remove items with an empty value
itemlist=self.cleanitems(items)
request=Request(self.getchemspider(sel))
itemlist.append(request)
# request=Request(self.getchemspider(sel))
# itemlist.append(request)
for identifier in self.get_identifiers(sel):
request_identifier=Request(identifier)
# print request_identifier
itemlist.append(request_identifier)
return itemlist
def new_compound_request(self, compound):
@ -67,6 +73,15 @@ class WikipediaParser(Parser):
return items
def getchemspider(self, sel):
link=sel.xpath('//tr/td/a[@title="ChemSpider"]/../../td[2]/span/a/@href').extract()[0] # ('//tr[contains(@href, "/wiki/Melting_point")]/text()').extract()
link=sel.xpath('//a[@title="ChemSpider"]/../../td[2]/span/a/@href').extract()[0] # ('//tr[contains(@href, "/wiki/Melting_point")]/text()').extract()
print link
return link
def get_identifiers(self, sel):
links=sel.xpath('//span[contains(concat(" ",normalize-space(@class)," "),"reflink")]/a[contains(concat(" ",normalize-space(@class)," "),"external")]/@href').extract()
# identifiers=[]
# for link in links:
# identifier=Request(link)
# identifiers.append(identifier)
# print identifiers
return links