34 lines
1,006 B
Python
34 lines
1,006 B
Python
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): # type: (str) -> None
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if not os.path.isdir(folder):
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raise RuntimeError("read-only app data directory {} does not exist".format(folder))
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self.lock = NoOpFileLock(folder)
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def reset(self): # type: () -> None
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raise RuntimeError("read-only app data does not support reset")
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def py_info_clear(self): # type: () -> 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):
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raise NotImplementedError
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class _PyInfoStoreDiskReadOnly(PyInfoStoreDisk):
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def write(self, content):
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raise RuntimeError("read-only app data python info cannot be updated")
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__all__ = ("ReadOnlyAppData",)
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