Load config from protean-specific section in pyproject.toml

Protean related settings will be nested under [tool.protean.*] sections.

src/protean/domain/config.py

@@ -61,6 +61,11 @@ def find_config_file(directory: str):
             with open(config_file_name, "rb") as f:
                 config = tomllib.load(f)
 
+                # If pyproject.toml, extract protean configuration
+                #   from the 'tool.protean' section
+                if config_file_name.endswith("pyproject.toml"):
+                    config = config.get("tool", {}).get("protean", {})
+
         # Merge with defaults
         config = cls._deep_merge(defaults, config)
 

tests/config/test_load.py

@@ -147,3 +147,10 @@ def test_that_config_is_loaded_from_2nd_parent_folder_of_path():
 
     domain = derive_domain("src/publishing/domain23")
     assert domain.config["custom"]["foo"] == "grault"
+
+
+def test_that_config_is_loaded_from_a_sub_context_in_pyproject_toml():
+    change_working_directory_to("test24")
+
+    domain = derive_domain("src/publishing/domain24")
+    assert domain.config["custom"]["foo"] == "garply"

tests/support/test_domains/test16/pyproject.toml

@@ -1,5 +1,6 @@
+[tool.protean]
 debug = true
 testing = true
 
-[custom]
+[tool.protean.custom]
 FOO = "quux"

tests/support/test_domains/test17/pyproject.toml

@@ -1,5 +1,6 @@
+[tool.protean]
 debug = true
 testing = true
 
-[custom]
+[tool.protean.custom]
 FOO = "quux"

tests/support/test_domains/test24/README.md

@@ -0,0 +1,2 @@
+This folder contains a realistic pyproject.toml file with all protean settings
+nested under `tool.protean.*` keys.

tests/support/test_domains/test24/domain24.py

@@ -0,0 +1,4 @@
+from protean import Domain
+
+
+domain = Domain(__file__, "TEST24")

tests/support/test_domains/test24/pyproject.toml

@@ -0,0 +1,28 @@
+[tool.protean]
+debug = true
+testing = true
+secret_key = "tvTpk3PAfkGr5x9!2sFU%XpW7bR8cwKA"
+identity_strategy = "uuid"
+identity_type = "string"
+event_processing = "sync"
+command_processing = "sync"
+
+[tool.protean.databases.default]
+provider = "memory"
+
+[tool.protean.databases.memory]
+provider = "memory"
+
+[tool.protean.databases.sqlite]
+provider = "sqlalchemy"
+database = "sqlite"
+database_uri = "sqlite:///test.db"
+
+[tool.protean.brokers.default]
+provider = "inline"
+
+[tool.protean.caches.default]
+provider = "memory"
+
+[tool.protean.custom]
+foo = "garply"