27 lines
909 B
Python
27 lines
909 B
Python
from parser import Parser
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from scrapy import log
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from scrapy.http import Request
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from scrapy.selector import Selector
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from FourmiCrawler.items import Result
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"""
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This parser will manage searching for chemicals through the ChemsSpider API,
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and parsing the resulting ChemSpider page.
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The token required for the API should be in a configuration file somewhere.
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"""
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class ChemSpider(Parser):
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website = "http://www.chemspider.com/*"
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__spider = 'ChemSpider'
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search = "Search.asmx/SimpleSearch?query=%s&token=052bfd06-5ce4-43d6-bf12-89eabefd2338"
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def parse(self, response):
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sel = Selector(response)
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log.msg('chemspider parse', level=log.WARNING)
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def new_compound_request(self,compound):
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searchurl = self.website[:-1] + self.search % compound
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log.msg('chemspider compound', level=log.WARNING)
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return Request(url=searchurl, callback=self.parse)
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