added paprika import

cookbook/integration/paprika.py

@@ -0,0 +1,36 @@
+import json
+
+import microdata
+
+from cookbook.helper.recipe_url_import import find_recipe_json
+from cookbook.integration.integration import Integration
+from cookbook.models import Recipe, Step, Food, Ingredient, Unit
+
+
+class Paprika(Integration):
+
+    def get_file_from_recipe(self, recipe):
+        raise NotImplementedError('Method not implemented in storage integration')
+
+    def get_recipe_from_file(self, file):
+        html_text = file.getvalue().decode("utf-8")
+
+        items = microdata.get_items(html_text)
+        for i in items:
+            md_json = json.loads(i.json())
+            if 'schema.org/Recipe' in str(md_json['type']):
+                recipe_json = find_recipe_json(md_json['properties'], '')
+                recipe = Recipe.objects.create(name=recipe_json['name'].strip(), created_by=self.request.user, internal=True)
+                step = Step.objects.create(
+                    instruction=recipe_json['recipeInstructions']
+                )
+
+                for ingredient in recipe_json['recipeIngredient']:
+                    f, created = Food.objects.get_or_create(name=ingredient['ingredient']['text'])
+                    u, created = Unit.objects.get_or_create(name=ingredient['unit']['text'])
+                    step.ingredients.add(Ingredient.objects.create(
+                        food=f, unit=u, amount=ingredient['amount'], note=ingredient['note']
+                    ))
+
+                recipe.steps.add(step)
+                return recipe