chore: import upstream snapshot with attribution

packages/graphrag-cache/graphrag_cache/cache_config.py

@@ -0,0 +1,26 @@
+# Copyright (c) 2024 Microsoft Corporation.
+# Licensed under the MIT License
+
+"""Cache configuration model."""
+
+from graphrag_storage import StorageConfig, StorageType
+from pydantic import BaseModel, ConfigDict, Field
+
+from graphrag_cache.cache_type import CacheType
+
+
+class CacheConfig(BaseModel):
+    """The configuration section for cache."""
+
+    model_config = ConfigDict(extra="allow")
+    """Allow extra fields to support custom cache implementations."""
+
+    type: str = Field(
+        description="The cache type to use. Builtin types include 'Json', 'Memory', and 'Noop'.",
+        default=CacheType.Json,
+    )
+
+    storage: StorageConfig | None = Field(
+        description="The storage configuration to use for file-based caches such as 'Json'.",
+        default_factory=lambda: StorageConfig(type=StorageType.File, base_dir="cache"),
+    )