38 lines
1 KiB
Python
38 lines
1 KiB
Python
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import os.path
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from virtualenv.util.lock import NoOpFileLock
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from .via_disk_folder import AppDataDiskFolder, PyInfoStoreDisk
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class ReadOnlyAppData(AppDataDiskFolder):
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can_update = False
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def __init__(self, folder: str) -> None:
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if not os.path.isdir(folder):
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raise RuntimeError(f"read-only app data directory {folder} does not exist")
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super().__init__(folder)
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self.lock = NoOpFileLock(folder)
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def reset(self) -> None:
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raise RuntimeError("read-only app data does not support reset")
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def py_info_clear(self) -> None:
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raise NotImplementedError
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def py_info(self, path):
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return _PyInfoStoreDiskReadOnly(self.py_info_at, path)
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def embed_update_log(self, distribution, for_py_version): # noqa: U100
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raise NotImplementedError
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class _PyInfoStoreDiskReadOnly(PyInfoStoreDisk):
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def write(self, content): # noqa: U100
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raise RuntimeError("read-only app data python info cannot be updated")
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__all__ = [
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"ReadOnlyAppData",
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]
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