<s> from scrapy . contrib . spiders import CrawlSpider , Rule <EOL> from scrapy . contrib . linkextractors . sgml import SgmlLinkExtractor <EOL> from scrapy . selector import HtmlXPathSelector <EOL> from openrecipes . items import RecipeItem , RecipeItemLoader <EOL> from openrecipes . util import parse_iso_date <EOL> class ChowMixin ( object ) : <EOL> """<STR_LIT>""" <EOL> source = '<STR_LIT>' <EOL> def parse_item ( self , response ) : <EOL> hxs = HtmlXPathSelector ( response ) <EOL> base_path = """<STR_LIT>""" <EOL> recipes_scopes = hxs . select ( base_path ) <EOL> name_path = '<STR_LIT>' <EOL> recipeYield_path = '<STR_LIT>' <EOL> description_path = '<STR_LIT>' <EOL> image_path = '<STR_LIT>' <EOL> cookTime_path = '<STR_LIT>' <EOL> prepTime_path = '<STR_LIT>' <EOL> ingredients_path = '<STR_LIT>' <EOL> ingredients_alt_path = '<STR_LIT>' <EOL> recipes = [ ] <EOL> for r_scope in recipes_scopes : <EOL> il = RecipeItemLoader ( item = RecipeItem ( ) ) <EOL> il . add_value ( '<STR_LIT:source>' , self . source ) <EOL> il . add_value ( '<STR_LIT:name>' , r_scope . select ( name_path ) . extract ( ) ) <EOL> il . add_value ( '<STR_LIT:image>' , r_scope . select ( image_path ) . extract ( ) ) <EOL> il . add_value ( '<STR_LIT:description>' , r_scope . select ( description_path ) . extract ( ) ) <EOL> il . add_value ( '<STR_LIT:url>' , response . url ) <EOL> il . add_value ( '<STR_LIT>' , parse_iso_date ( r_scope . select ( prepTime_path ) ) ) <EOL> il . add_value ( '<STR_LIT>' , parse_iso_date ( r_scope . select ( cookTime_path ) ) ) <EOL> il . add_value ( '<STR_LIT>' , r_scope . select ( recipeYield_path ) . extract ( ) ) <EOL> ingredient_scopes = r_scope . select ( ingredients_path ) <EOL> ingredients = [ ] <EOL> for i_scope in ingredient_scopes : <EOL> ingredient = i_scope . select ( '<STR_LIT>' ) . extract ( ) <EOL> ingredients . append ( '<STR_LIT:U+0020>' . join ( i . strip ( ) for i in ingredient ) . encode ( '<STR_LIT:utf-8>' ) ) <EOL> if not ingredients : <EOL> ingredient_scopes = r_scope . select ( ingredients_alt_path ) <EOL> for i_scope in ingredient_scopes : <EOL> ingredients . append ( i_scope . extract ( ) . strip ( ) . encode ( '<STR_LIT:utf-8>' ) ) <EOL> il . add_value ( '<STR_LIT>' , ingredients ) <EOL> recipes . append ( il . load_item ( ) ) <EOL> return recipes <EOL> class ChowSpider ( CrawlSpider , ChowMixin ) : <EOL> name = "<STR_LIT>" <EOL> allowed_domains = [ <EOL> "<STR_LIT>" <EOL> ] <EOL> start_urls = [ <EOL> "<STR_LIT>" <EOL> ] <EOL> rules = ( <EOL> Rule ( SgmlLinkExtractor ( allow = ( '<STR_LIT>' ) ) ) , <EOL> Rule ( SgmlLinkExtractor ( allow = ( '<STR_LIT>' ) ) , <EOL> callback = '<STR_LIT>' ) , <EOL> ) </s>
