Add optional Mlflow module for DI in Nexus (#139)

esd_services_api_client/nexus/modules/__init__.py

@@ -0,0 +1,20 @@
+#  Copyright (c) 2023-2024. ECCO Sneaks & Data
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#
+
+"""
+ Import index.
+"""
+
+from esd_services_api_client.nexus.modules.mlflow_module import MlflowModule

esd_services_api_client/nexus/modules/mlflow_module.py

@@ -0,0 +1,43 @@
+#  Copyright (c) 2023-2024. ECCO Sneaks & Data
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#
+
+"""
+MLFlow module that provides the MLFlow client to the Nexus framework.
+"""
+
+import os
+from typing import final
+from injector import Module, singleton, provider
+from adapta.ml.mlflow import MlflowBasicClient
+from esd_services_api_client.nexus.exceptions.startup_error import (
+    FatalStartupConfigurationError,
+)
+
+
+@final
+class MlflowModule(Module):
+    """
+    MLFlow module.
+    """
+
+    @singleton
+    @provider
+    def provide(self) -> MlflowBasicClient:
+        """
+        DI factory method.
+        """
+        if "NEXUS__MLFLOW_TRACKING_URI" not in os.environ:
+            raise FatalStartupConfigurationError("NEXUS__MLFLOW_TRACKING_URI")
+        return MlflowBasicClient(os.environ["NEXUS__MLFLOW_TRACKING_URI"])