feat: read configuration from environment vars and custom dotenv file

Author: azmeuk

CHANGELOG.md

@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 Versions follow [Semantic Versioning](https://semver.org/>) (<major>.<minor>.<patch>).
 
+## Changed
+
+- Configuration is read from `.pytest-iam.env`
+- Configuration is read from enviroment vars prefixed by `PYTEST_IAM_`
+
 ## [0.0.11] - 2024-04-22
 
 ### Changed

doc/configuration.rst

@@ -10,3 +10,8 @@ This returns a :const:`dict` containing the canaille :doc:`canaille:configuratio
     def iam_configuration(iam_configuration):
         iam_configuration["ACL"]["DEFAULT"]["WRITE"].append("groups")
         return iam_configuration
+
+The configuration will also be read:
+
+- from a `.pytest-iam.env` file if existing;
+- from any environment var with a valid Canaille setting name prefixed by `PYTEST_IAM_`.

pytest_iam/__init__.py

@@ -184,7 +184,9 @@ def iam_server(iam_configuration) -> Server:
     thread."""
 
     port = portpicker.pick_unused_port()
-    app = create_app(config=iam_configuration)
+    app = create_app(
+        config=iam_configuration, env_file=".pytest-iam.env", env_prefix="PYTEST_IAM_"
+    )
     server = Server(app, port)
 
     server_thread = threading.Thread(target=server.httpd.serve_forever)