typehint

.pre-commit-config.yaml

@@ -1,19 +1,19 @@
 repos:
-    - repo: local
+    - repo: https://github.com/psf/black
+      rev: 24.1.1
       hooks:
         - id: black
-          name: black
-          language: python
-          entry: black
-          require_serial: true
-          types_or: [python, pyi]
+    - repo: https://github.com/PyCQA/flake8
+      rev: 7.0.0
+      hooks:
         - id: flake8
-          name: flake8
-          language: python
-          entry: flake8
-          require_serial: true
-          types_or: [python, pyi]
+          additional_dependencies:
+          - flake8-bugbear
+          - flake8-comprehensions
+    - repo: https://github.com/pycqa/isort
+      rev: 5.13.2
+      hooks:
+        - id: isort
 
 default_language_version:
-  python: python3.9
-
+  python: python3.11

ragdoll/__init__.py

@@ -1,6 +1,6 @@
 __version__ = "0.2.0"
 __author__ = "Aaron Zhang <[email protected]>"
 
-from ragdoll import env, base, errors, django
+from ragdoll import base, django, env, errors
 
 __all__ = ["env", "base", "errors", "django"]

ragdoll/base.py

@@ -1,5 +1,5 @@
 import abc
-from typing import Any, Type, Union, Optional, Mapping
+from typing import Any, Mapping, Optional, Type, Union
 
 from ragdoll import errors, utils
 

ragdoll/env.py

@@ -1,8 +1,7 @@
-import functools
 import os
 import typing
 
-from ragdoll import utils, errors
+from ragdoll import errors, utils
 from ragdoll.base import BaseEntry, BaseSetting
 
 __all__ = ["EnvSetting", "BaseEnvEntry", "StrEnv", "BoolEnv", "IntEnv"]
@@ -22,6 +21,10 @@ class StrEnv(BaseEnvEntry):
     def to_python(self, value: str) -> str:
         return value
 
+    if typing.TYPE_CHECKING:
+
+        def __get__(self, *args, **kwargs) -> str: ...
+
 
 class IntEnv(BaseEnvEntry):
     def __init__(self, *args, base: int = 10, **kwargs):
@@ -36,6 +39,10 @@ def to_python(self, value: str) -> int:
                 f"Cannot convert {self._name} to integer"
             ) from value_error
 
+    if typing.TYPE_CHECKING:
+
+        def __get__(self, *args, **kwargs) -> int: ...
+
 
 class BoolEnv(BaseEnvEntry):
     TRUE_VALUES = {"true", "1", "yes"}
@@ -55,14 +62,21 @@ def to_python(self, value: str) -> bool:
             f"{(self.TRUE_VALUES | self.FALSE_VALUES)!r}"
         )
 
+    if typing.TYPE_CHECKING:
+
+        def __get__(self, *args, **kwargs) -> bool: ...
+
 
 class EnvSetting(BaseSetting):
     case_sensitive = True
+    _source: typing.Optional[typing.Mapping] = None
 
     @utils.classproperty
-    @functools.lru_cache(maxsize=None)
     def source(cls) -> typing.Mapping:
-        if cls.case_sensitive:
-            return os.environ
-        else:
-            return {k.lower(): v for k, v in os.environ.items()}
+        if not cls._source:
+            if cls.case_sensitive:
+                cls._source = os.environ
+            else:
+                cls._source = {k.lower(): v for k, v in os.environ.items()}
+
+        return cls._source