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- from typing import ClassVar
- from fsspec import AbstractFileSystem
- __all__ = ("ChainedFileSystem",)
- class ChainedFileSystem(AbstractFileSystem):
- """Chained filesystem base class.
- A chained filesystem is designed to be layered over another FS.
- This is useful to implement things like caching.
- This base class does very little on its own, but is used as a marker
- that the class is designed for chaining.
- Right now this is only used in `url_to_fs` to provide the path argument
- (`fo`) to the chained filesystem from the underlying filesystem.
- Additional functionality may be added in the future.
- """
- protocol: ClassVar[str] = "chained"
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