feat: List all feature views (feast-dev#4256)

* feature: Adding type to base feature view

Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>

* fixed linter

Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>

* fixed type and meta

Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>

* adding new listing

Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>

* updated

Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>

* cleaning up changes

Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>

* reverting FV proto

Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>

* doing simple way

Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>

* added a test

Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>

* updated to add warnings

Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>

---------

Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>

sdk/python/feast/feature_store.py

@@ -13,6 +13,7 @@
 # limitations under the License.
 import copy
 import itertools
+import logging
 import os
 import warnings
 from collections import Counter, defaultdict
@@ -247,6 +248,20 @@ def list_feature_services(self) -> List[FeatureService]:
         """
         return self._registry.list_feature_services(self.project)
 
+    def list_all_feature_views(
+        self, allow_cache: bool = False
+    ) -> List[Union[FeatureView, StreamFeatureView, OnDemandFeatureView]]:
+        """
+        Retrieves the list of feature views from the registry.
+
+        Args:
+            allow_cache: Whether to allow returning entities from a cached registry.
+
+        Returns:
+            A list of feature views.
+        """
+        return self._list_all_feature_views(allow_cache)
+
     def list_feature_views(self, allow_cache: bool = False) -> List[FeatureView]:
         """
         Retrieves the list of feature views from the registry.
@@ -257,12 +272,50 @@ def list_feature_views(self, allow_cache: bool = False) -> List[FeatureView]:
         Returns:
             A list of feature views.
         """
+        logging.warning(
+            "list_feature_views will make breaking changes. Please use list_batch_feature_views instead. "
+            "list_feature_views will behave like list_all_feature_views in the future."
+        )
         return self._list_feature_views(allow_cache)
 
+    def _list_all_feature_views(
+        self,
+        allow_cache: bool = False,
+    ) -> List[Union[FeatureView, StreamFeatureView, OnDemandFeatureView]]:
+        all_feature_views = (
+            self._list_feature_views(allow_cache)
+            + self._list_stream_feature_views(allow_cache)
+            + self.list_on_demand_feature_views(allow_cache)
+        )
+        return all_feature_views
+
     def _list_feature_views(
         self,
         allow_cache: bool = False,
         hide_dummy_entity: bool = True,
+    ) -> List[FeatureView]:
+        logging.warning(
+            "_list_feature_views will make breaking changes. Please use _list_batch_feature_views instead. "
+            "_list_feature_views will behave like _list_all_feature_views in the future."
+        )
+        feature_views = []
+        for fv in self._registry.list_feature_views(
+            self.project, allow_cache=allow_cache
+        ):
+            if (
+                hide_dummy_entity
+                and fv.entities
+                and fv.entities[0] == DUMMY_ENTITY_NAME
+            ):
+                fv.entities = []
+                fv.entity_columns = []
+            feature_views.append(fv)
+        return feature_views
+
+    def _list_batch_feature_views(
+        self,
+        allow_cache: bool = False,
+        hide_dummy_entity: bool = True,
     ) -> List[FeatureView]:
         feature_views = []
         for fv in self._registry.list_feature_views(

sdk/python/tests/unit/test_on_demand_python_transformation.py

@@ -159,6 +159,10 @@ def python_singleton_view(inputs: dict[str, Any]) -> dict[str, Any]:
             self.store.write_to_online_store(
                 feature_view_name="driver_hourly_stats", df=driver_df
             )
+            assert len(self.store.list_all_feature_views()) == 4
+            assert len(self.store.list_feature_views()) == 1
+            assert len(self.store.list_on_demand_feature_views()) == 3
+            assert len(self.store.list_stream_feature_views()) == 0
 
     def test_python_pandas_parity(self):
         entity_rows = [