chore(anta): Add deprecation on deprecated method

anta/catalog.py

@@ -14,11 +14,11 @@
 from json import load as json_load
 from pathlib import Path
 from typing import TYPE_CHECKING, Any, Literal, Optional, Union
-from warnings import warn
 
 from pydantic import BaseModel, ConfigDict, RootModel, ValidationError, ValidationInfo, field_validator, model_serializer, model_validator
 from pydantic.types import ImportString
 from pydantic_core import PydanticCustomError
+from typing_extensions import deprecated
 from yaml import YAMLError, safe_dump, safe_load
 
 from anta.logger import anta_log_exception
@@ -440,13 +440,12 @@ def merge_catalogs(cls, catalogs: list[AntaCatalog]) -> AntaCatalog:
         combined_tests = list(chain(*(catalog.tests for catalog in catalogs)))
         return cls(tests=combined_tests)
 
+    @deprecated(
+        "This method is deprecated, use `AntaCatalogs.merge_catalogs` class method instead. This will be removed in ANTA v2.0.0.", category=DeprecationWarning
+    )
     def merge(self, catalog: AntaCatalog) -> AntaCatalog:
         """Merge two AntaCatalog instances.
 
-        Warning
-        -------
-        This method is deprecated and will be removed in ANTA v2.0. Use `AntaCatalog.merge_catalogs()` instead.
-
         Parameters
         ----------
         catalog
@@ -457,12 +456,6 @@ def merge(self, catalog: AntaCatalog) -> AntaCatalog:
         AntaCatalog
             A new AntaCatalog instance containing the tests of the two instances.
         """
-        # TODO: Use a decorator to deprecate this method instead. See https://github.com/aristanetworks/anta/issues/754
-        warn(
-            message="AntaCatalog.merge() is deprecated and will be removed in ANTA v2.0. Use AntaCatalog.merge_catalogs() instead.",
-            category=DeprecationWarning,
-            stacklevel=2,
-        )
         return self.merge_catalogs([self, catalog])
 
     def dump(self) -> AntaCatalogFile:

anta/result_manager/__init__.py

@@ -316,6 +316,7 @@ def filter(self, hide: set[AntaTestStatus]) -> ResultManager:
         manager.results = self.get_results(possible_statuses - hide)
         return manager
 
+    @deprecated("This method is deprecated. This will be removed in ANTA v2.0.0.", category=DeprecationWarning)
     def filter_by_tests(self, tests: set[str]) -> ResultManager:
         """Get a filtered ResultManager that only contains specific tests.
 
@@ -333,6 +334,7 @@ def filter_by_tests(self, tests: set[str]) -> ResultManager:
         manager.results = [result for result in self._result_entries if result.test in tests]
         return manager
 
+    @deprecated("This method is deprecated. This will be removed in ANTA v2.0.0.", category=DeprecationWarning)
     def filter_by_devices(self, devices: set[str]) -> ResultManager:
         """Get a filtered ResultManager that only contains specific devices.
 
@@ -350,6 +352,7 @@ def filter_by_devices(self, devices: set[str]) -> ResultManager:
         manager.results = [result for result in self._result_entries if result.name in devices]
         return manager
 
+    @deprecated("This method is deprecated. This will be removed in ANTA v2.0.0.", category=DeprecationWarning)
     def get_tests(self) -> set[str]:
         """Get the set of all the test names.
 
@@ -360,6 +363,7 @@ def get_tests(self) -> set[str]:
         """
         return {str(result.test) for result in self._result_entries}
 
+    @deprecated("This method is deprecated. This will be removed in ANTA v2.0.0.", category=DeprecationWarning)
     def get_devices(self) -> set[str]:
         """Get the set of all the device names.
 

pyproject.toml

@@ -28,7 +28,8 @@ dependencies = [
   "pydantic-extra-types>=2.3.0",
   "PyYAML>=6.0",
   "requests>=2.31.0",
-  "rich>=13.5.2,<14"
+  "rich>=13.5.2,<14",
+  "typing_extensions>=4.12"  # required for deprecated before Python 3.13
 ]
 keywords = ["test", "anta", "Arista", "network", "automation", "networking", "devops", "netdevops"]
 classifiers = [