added finecooking spider

Author: Joey Erskine

scrapy_proj/openrecipes/spiders/finecooking_spider.py

@@ -0,0 +1,76 @@
+from scrapy.contrib.spiders import CrawlSpider, Rule
+from scrapy.contrib.linkextractors.sgml import SgmlLinkExtractor
+from scrapy.selector import HtmlXPathSelector
+from openrecipes.items import RecipeItem, RecipeItemLoader
+import re
+
+
+class FinecookingMixin(object):
+    source = 'finecooking'
+
+    def parse_item(self, response):
+
+        hxs = HtmlXPathSelector(response)
+
+        base_path = './/*[@id="ctl00_phMainContent_recipe_content"]'
+
+        recipes_scopes = hxs.select(base_path)
+
+        name_path = '//*[@class="main-title"]/text()'
+        description_path = '//*[@property="v:summary"]/text()'
+        image_path = 'concat("http://www.finecooking.com", //*[@rel="v:photo"]/@src)'
+        #prepTime_path = 'TODO'
+        #cookTime_path = 'TODO'
+        recipeYield_path = '//*[@class="yield"]/text()'
+        ingredients_path = '//*[@property="v:amount"]/text()'
+        datePublished = 'TODO'
+
+        recipes = []
+
+        label_regex = re.compile(r'^For ')
+
+        for r_scope in recipes_scopes:
+            il = RecipeItemLoader(item=RecipeItem())
+
+            il.add_value('source', self.source)
+
+            il.add_value('name', r_scope.select(name_path).extract())
+            il.add_value('image', r_scope.select(image_path).extract())
+            il.add_value('url', response.url)
+            il.add_value('description', r_scope.select(description_path).extract())
+
+            #il.add_value('prepTime', r_scope.select(prepTime_path).extract())
+            #il.add_value('cookTime', r_scope.select(cookTime_path).extract())
+            il.add_value('recipeYield', r_scope.select(recipeYield_path).extract())
+
+            ingredient_scopes = r_scope.select(ingredients_path)
+            ingredients = []
+            for i_scope in ingredient_scopes:
+                ingredient = i_scope.extract().strip()
+                if not label_regex.match(ingredient) and not ingredient.endswith(':'):
+                    ingredients.append(ingredient)
+            il.add_value('ingredients', ingredients)
+
+            il.add_value('datePublished', r_scope.select(datePublished).extract())
+
+            recipes.append(il.load_item())
+
+        return recipes
+
+
+class FinecookingcrawlSpider(CrawlSpider, FinecookingMixin):
+
+    name = "finecooking.com"
+
+    allowed_domains = ["finecooking.com"]
+
+    start_urls = [
+        "http://www.finecooking.com/browseallingredients.aspx",
+    ]
+
+    rules = (
+        Rule(SgmlLinkExtractor(allow=('/recipes/[A-Za-z]+/\d+.aspx'))),
+
+        Rule(SgmlLinkExtractor(allow=('/recipes/[a-z]+.aspx')),
+             callback='parse_item'),
+    )