use new .get_probability() from zyte-common-items==0.12.0

setup.py

@@ -17,7 +17,7 @@
         "scrapy-poet>=0.16.0",
         "scrapy-spider-metadata>=0.1.2",
         "scrapy-zyte-api[provider]>=0.12.2",
-        "zyte-common-items>=0.8.0",
+        "zyte-common-items>=0.12.0",
     ],
     classifiers=[
         "Development Status :: 3 - Alpha",

zyte_spider_templates/spiders/base.py

@@ -112,11 +112,7 @@ def get_parse_navigation_request(
         )
 
     def get_parse_product_request_priority(self, request: ProbabilityRequest) -> int:
-        # TODO: Simplify when https://github.com/zytedata/zyte-common-items/pull/64 is released
-        probability = 0
-        if metadata := getattr(request, "metadata", None):
-            probability = metadata.probability
-        return int(100 * probability) + self._NEXT_PAGE_PRIORITY
+        return int(100 * request.get_probability()) + self._NEXT_PAGE_PRIORITY
 
     def get_parse_product_request(
         self, request: ProbabilityRequest, callback: Optional[Callable] = None

zyte_spider_templates/spiders/ecommerce.py

@@ -156,9 +156,7 @@ def parse_navigation(
     def parse_product(
         self, response: DummyResponse, product: Product
     ) -> Iterable[Product]:
-        probability = None
-        if metadata := getattr(product, "metadata", None):
-            probability = metadata.probability
+        probability = product.get_probability()
 
         # TODO: convert to a configurable parameter later on after the launch
         if probability is None or probability >= 0.1: