I gang

venv/lib/python3.12/site-packages/pydantic_settings/sources/providers/json.py

@@ -0,0 +1,48 @@
+"""JSON file settings source."""
+
+from __future__ import annotations as _annotations
+
+import json
+from pathlib import Path
+from typing import (
+    TYPE_CHECKING,
+    Any,
+)
+
+from ..base import ConfigFileSourceMixin, InitSettingsSource
+from ..types import DEFAULT_PATH, PathType
+
+if TYPE_CHECKING:
+    from pydantic_settings.main import BaseSettings
+
+
+class JsonConfigSettingsSource(InitSettingsSource, ConfigFileSourceMixin):
+    """
+    A source class that loads variables from a JSON file
+    """
+
+    def __init__(
+        self,
+        settings_cls: type[BaseSettings],
+        json_file: PathType | None = DEFAULT_PATH,
+        json_file_encoding: str | None = None,
+        deep_merge: bool = False,
+    ):
+        self.json_file_path = json_file if json_file != DEFAULT_PATH else settings_cls.model_config.get('json_file')
+        self.json_file_encoding = (
+            json_file_encoding
+            if json_file_encoding is not None
+            else settings_cls.model_config.get('json_file_encoding')
+        )
+        self.json_data = self._read_files(self.json_file_path, deep_merge=deep_merge)
+        super().__init__(settings_cls, self.json_data)
+
+    def _read_file(self, file_path: Path) -> dict[str, Any]:
+        with file_path.open(encoding=self.json_file_encoding) as json_file:
+            return json.load(json_file)
+
+    def __repr__(self) -> str:
+        return f'{self.__class__.__name__}(json_file={self.json_file_path})'
+
+
+__all__ = ['JsonConfigSettingsSource']