Remove has_cache_support

scrapy_poet/page_input_providers.py

@@ -29,16 +29,13 @@
     ResponseUrl,
 )
 from web_poet.pages import is_injectable
-from web_poet.serialization import serialize_leaf
 
 from scrapy_poet.downloader import create_scrapy_downloader
 from scrapy_poet.injection_errors import (
     MalformedProvidedClassesError,
     ProviderDependencyDeadlockError,
 )
 
-from .utils import get_registered_anotations
-
 
 class PageObjectInputProvider:
     """
@@ -122,17 +119,6 @@ def is_provided(self, type_: Callable) -> bool:
                 f"{self!r}. Expected either 'set' or 'callable'"
             )
 
-    @property
-    def has_cache_support(self):
-        registered_annotations = get_registered_anotations(serialize_leaf)
-        has_cache_support = False
-        for annotation in registered_annotations:
-            if self.is_provided(annotation):
-                has_cache_support = True
-                break
-
-        return has_cache_support
-
     # FIXME: Can't import the Injector as class annotation due to circular dep.
     def __init__(self, injector):
         """Initializes the provider. Invoked only at spider start up."""

scrapy_poet/utils/__init__.py

@@ -1,6 +1,6 @@
 import os
 from functools import lru_cache
-from typing import Any, Callable, List, Type
+from typing import Type
 from warnings import warn
 
 from packaging.version import Version
@@ -76,16 +76,3 @@ def create_registry_instance(cls: Type, crawler: Crawler):
 @lru_cache()
 def is_min_scrapy_version(version: str) -> bool:
     return Version(SCRAPY_VERSION) >= Version(version)
-
-
-def get_registered_anotations(generic_func: Callable) -> List[type]:
-    """Get argument annotations from all registered functions for a given generic function"""
-    registered_funcs: List[Callable] = list(generic_func.registry.values())  # type: ignore[attr-defined]
-    registered_annotations = []
-    for func in registered_funcs:
-        # get all parameter annotations, except from the return value
-        # `inspect.get_annotations()` could be a better option but it's not compatible with python<3.10
-        annotations = list(func.__annotations__.values())[:-1]
-        registered_annotations += annotations
-
-    return [t for t in registered_annotations if t != Any]