fix bugs horizon as str and renewables empty child

src/antares/craft/api_conf/request_wrapper.py

@@ -30,16 +30,29 @@
 ]
 
 
+class EmptyResponse(requests.Response):
+    """
+    Class to simulate an empty requests.Response.
+    """
+
+    def json(self, **kwargs: Any) -> list:
+        return []
+
+
 def _handle_exceptions(response: requests.Response) -> requests.Response:
     """
     If an exception occurred, returns APIError exception containing the AntaresWeb error message.
     """
     if response.status_code - 200 < 100:
         return response
     try:
-        msg = response.json()["description"]
+        error_data = response.json()
+        msg = error_data.get("description", response.reason)
+        if response.status_code == 404 and "renewables" in msg:
+            return EmptyResponse()
     except (json.decoder.JSONDecodeError, KeyError):
         msg = response.reason
+
     raise APIError(msg)
 
 

src/antares/craft/model/settings/general.py

@@ -10,9 +10,11 @@
 #
 # This file is part of the Antares project.
 
+import typing as t
+
 from antares.craft.tools.all_optional_meta import all_optional_model
 from antares.craft.tools.contents_tool import EnumIgnoreCase
-from pydantic import BaseModel, ConfigDict, Field
+from pydantic import BaseModel, ConfigDict, Field, field_validator
 from pydantic.alias_generators import to_camel
 
 
@@ -97,6 +99,11 @@ class DefaultGeneralParameters(BaseModel, extra="forbid", populate_by_name=True,
     mc_scenario: bool = False  # ? output/storenewset
     result_format: OutputFormat = Field(default=OutputFormat.TXT, exclude=True)
 
+    @field_validator("horizon", mode="before")
+    def transform_horizon_to_str(cls, val: t.Union[str, int, None]) -> t.Optional[str]:
+        # horizon can be an int.
+        return str(val) if val else val  # type: ignore
+
 
 @all_optional_model
 class GeneralParameters(DefaultGeneralParameters):

tests/antares/services/api_services/test_renewable_api.py

@@ -154,3 +154,23 @@ def test_read_renewables(self):
 
             assert expected_renewable.id == actual_renewable.id
             assert expected_renewable.name == actual_renewable.name
+
+    def test_read_renewables_with_404_response_then_return_empty_list(self):
+        study_id_test = "248bbb99-c909-47b7-b239-01f6f6ae7de7"
+        area_id = "zone"
+        url = f"https://antares.com/api/v1/studies/{study_id_test}/areas/{area_id}/"
+
+        with requests_mock.Mocker() as mocker:
+            mocker.get(
+                url + "clusters/renewable",
+                status_code=404,
+                json={"description": "'renewables' not a child of Input", "exception": "ChildNotFoundError"},
+            )
+
+            renewable_api = RenewableApiService(self.api, study_id_test)
+
+            actual_renewable_list = renewable_api.read_renewables(area_id)
+
+            assert actual_renewable_list == []
+
+            assert len(actual_renewable_list) == 0

tests/integration/test_web_client.py

@@ -18,6 +18,7 @@
 
 from antares.craft.api_conf.api_conf import APIconf
 from antares.craft.exceptions.exceptions import (
+    APIError,
     AreaDeletionError,
     BindingConstraintCreationError,
     ConstraintMatrixUpdateError,
@@ -504,6 +505,8 @@ def test_creation_lifecycle(self, antares_web: AntaresWebDesktop):
         # Really important note. To instance such object with value you must respect camel case.
         # Another way to do so is to instance the object and then fill its values
         new_settings.general_parameters = GeneralParameters(nbYears=4)
+        # To create a variant with horizon as string
+        new_settings.general_parameters.horizon = "2018"
         new_settings.advanced_parameters = AdvancedParameters()
         new_settings.advanced_parameters.unit_commitment_mode = UnitCommitmentMode.MILP
         new_study.update_settings(new_settings)
@@ -658,3 +661,16 @@ def test_creation_lifecycle(self, antares_web: AntaresWebDesktop):
         moved_study = read_study_api(api_config, study.service.study_id)
         assert moved_study.path == study.path
         assert moved_study.name == study.name
+
+        new_settings_aggregated = StudySettings()
+        new_settings_aggregated.general_parameters = GeneralParameters(nbYears=4)
+        new_settings_aggregated.advanced_parameters = AdvancedParameters()
+        new_settings_aggregated.advanced_parameters.unit_commitment_mode = UnitCommitmentMode.MILP
+        new_settings_aggregated.advanced_parameters.renewable_generation_modelling = "aggregated"
+        study_aggregated = create_study_api("test_aggregated", "880", api_config, new_settings_aggregated)
+        study_aggregated.create_area("area_without_renewables")
+        #  read_study_api does not raise an error
+        try:
+            read_study_api(api_config, study_aggregated.service.study_id)
+        except APIError as e:
+            pytest.fail(f"read_study_api raised an unexpected APIError: {e}")