[setup] Database config (#11813)

* Adjust config template file

* Check UPPERCASE value as backup

* fix typing issue

* ignore ty issues for now

Co-authored-by: Copilot <copilot@github.com>

---------

Co-authored-by: Matthias Mair <code@mjmair.com>
Co-authored-by: Copilot <copilot@github.com>

pyproject.toml

@@ -109,12 +109,13 @@ unresolved-reference="ignore"  # 21 # see https://github.com/astral-sh/ty/issues
 unresolved-attribute="ignore"  # 505 # need Plugin Mixin typing
 call-non-callable="ignore"  # 8 ##
 invalid-assignment="ignore"  # 17  # need to wait for better django field stubs
-invalid-method-override="ignore" # 99
+# invalid-method-override="ignore" # 99
 invalid-return-type="ignore"  # 22 ##
-possibly-missing-attribute="ignore"  # 25 # https://github.com/astral-sh/ty/issues/164
+# possibly-missing-attribute="ignore"  # 25 # https://github.com/astral-sh/ty/issues/164
 unknown-argument="ignore"  # 3  # need to wait for better django field stubs
 invalid-argument-type="ignore"  # 49
 no-matching-overload="ignore"  # 3  # need to wait for betterdjango field stubs
+possibly-unbound-attribute="ignore"  # 21
 
 [tool.coverage.run]
 source = ["src/backend/InvenTree", "InvenTree"]

src/backend/InvenTree/InvenTree/config.py

@@ -9,7 +9,7 @@ import shutil
 import string
 import sys
 from pathlib import Path
-from typing import Optional
+from typing import Any, Optional
 
 logger = logging.getLogger('inventree')
 CONFIG_DATA = None
@@ -254,6 +254,24 @@ def do_typecast(value, type, var_name=None):
     return value
 
 
+def get_config_value(config_key: str) -> Optional[Any]:
+    """Helper function to retrieve a configuration value from the config file."""
+    cfg_data = load_config_data()
+
+    result = None
+
+    # Hack to allow 'path traversal' in configuration file
+    for key in config_key.strip().split('.'):
+        if type(cfg_data) is not dict or key not in cfg_data:
+            result = None
+            break
+
+        result = cfg_data[key]
+        cfg_data = cfg_data[key]
+
+    return result
+
+
 def get_setting(env_var=None, config_key=None, default_value=None, typecast=None):
     """Helper function for retrieving a configuration setting value.
 
@@ -291,18 +309,7 @@ def get_setting(env_var=None, config_key=None, default_value=None, typecast=None
 
     # Next, try to load from configuration file
     if config_key is not None:
-        cfg_data = load_config_data()
-
-        result = None
-
-        # Hack to allow 'path traversal' in configuration file
-        for key in config_key.strip().split('.'):
-            if type(cfg_data) is not dict or key not in cfg_data:
-                result = None
-                break
-
-            result = cfg_data[key]
-            cfg_data = cfg_data[key]
+        result = get_config_value(config_key)
 
         if result is not None:
             set_metadata('yaml')

src/backend/InvenTree/InvenTree/setting/db_backend.py

@@ -4,27 +4,38 @@ from pathlib import Path
 
 import structlog
 
-from InvenTree.config import get_boolean_setting, get_setting
+from InvenTree.config import get_boolean_setting, get_config_value, get_setting
 
 logger = structlog.get_logger('inventree')
 
 
 def get_db_backend():
     """Return the database backend configuration."""
+    # For the core database configuration values, we test for UPPERCASE configuration values as a backup,
+    # due to legacy reasons (original config files were uppercase,
+    # but we moved to lowercase for consistency with other settings.
+
     db_config = {
         'ENGINE': get_setting(
             'INVENTREE_DB_ENGINE', 'database.engine', '', typecast=str
-        ),
-        'NAME': get_setting('INVENTREE_DB_NAME', 'database.name', '', typecast=str),
-        'USER': get_setting('INVENTREE_DB_USER', 'database.user', '', typecast=str),
+        )
+        or get_config_value('database.ENGINE'),
+        'NAME': get_setting('INVENTREE_DB_NAME', 'database.name', '', typecast=str)
+        or get_config_value('database.NAME'),
+        'USER': get_setting('INVENTREE_DB_USER', 'database.user', '', typecast=str)
+        or get_config_value('database.USER'),
         'PASSWORD': get_setting(
             'INVENTREE_DB_PASSWORD', 'database.password', '', typecast=str
-        ),
-        'HOST': get_setting('INVENTREE_DB_HOST', 'database.host', '', typecast=str),
-        'PORT': get_setting('INVENTREE_DB_PORT', 'database.port', '', typecast=str),
+        )
+        or get_config_value('database.PASSWORD'),
+        'HOST': get_setting('INVENTREE_DB_HOST', 'database.host', '', typecast=str)
+        or get_config_value('database.HOST'),
+        'PORT': get_setting('INVENTREE_DB_PORT', 'database.port', '', typecast=str)
+        or get_config_value('database.PORT'),
         'OPTIONS': get_setting(
             'INVENTREE_DB_OPTIONS', 'database.options', {}, typecast=dict
         )
+        or get_config_value('database.OPTIONS')
         or {},
     }
 

src/backend/InvenTree/config_template.yaml

@@ -18,15 +18,15 @@
 # TO MAINTAINERS: Do not change database strings
 database:
   # --- Available options: ---
-  # ENGINE: Database engine. Selection from:
+  # engine: Database engine. Selection from:
   #         - mysql
   #         - postgresql
   #         - sqlite3
-  # NAME: Database name
-  # USER: Database username (if required)
-  # PASSWORD: Database password (if required)
-  # HOST: Database host address (if required)
-  # PORT: Database host port (if required)
+  # name: Database name
+  # user: Database username (if required)
+  # password: Database password (if required)
+  # host: Database host address (if required)
+  # port: Database host port (if required)
 
 # Base URL for the InvenTree server (or use the environment variable INVENTREE_SITE_URL)
 # site_url: 'http://localhost:8000'

src/backend/InvenTree/plugin/plugin.py

@@ -5,7 +5,6 @@ import json
 import re
 import warnings
 from datetime import datetime
-from distutils.sysconfig import get_python_lib
 from importlib.metadata import PackageNotFoundError, metadata
 from pathlib import Path
 from typing import Optional
@@ -528,6 +527,8 @@ class InvenTreePlugin(VersionMixin, MixinBase, MetaBase):
     @mark_final
     def is_editable(cls):
         """Returns if the current part is editable."""
+        from distutils.sysconfig import get_python_lib
+
         pkg_name = cls.__name__.split('.')[0]
         dist_info = list(Path(get_python_lib()).glob(f'{pkg_name}-*.dist-info'))
         return bool(len(dist_info) == 1)