MountFS fixes #487
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MountFS fixes #487
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* Don't allow files/dirs to be created inside MountFS's internal MemoryFS * Change MountFS's .mounts attribute to a dict instead of a list of tuples * Add a MountFS.unmount method * Add associated unit-tests
althonos
requested changes
Sep 24, 2021
| @@ -67,7 +69,7 @@ def __init__(self, auto_close=True): | |||
| super(MountFS, self).__init__() | |||
| self.auto_close = auto_close | |||
| self.default_fs = MemoryFS() # type: FS | |||
| self.mounts = [] # type: MutableSequence[Tuple[Text, FS]] | |||
| self.mounts = {} # type: Dict[Text, FS] | |||
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I think the reason a list was in use here was to preserve ordering of mounted files. Sure, a dict is fine for newer Python versions but I'd think this would change behaviour on Python 2.7. I think using collections.OrderedDict would work instead (and we can drop that when we move the code to PyFilesystem3).
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Type of changes
Checklist
Description
Addresses issues outlined #486
It's a long time since I've done any PyFilesystem development, so this should should be considered "WIP code", comments welcome... (e.g. I'm not sure if the
unmountmethod is actually useful?)This should be reviewed with care as the "bugfixes" this includes (the first two bullet-points above) subtly change the API of MountFS.