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comparison mercurial/vfs.py @ 41091:d9b6b9ed96d8

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vfs: add a `_auditpath` to abstract vfs We are about to make `rename` audit path. Since rename lives in the `abstractvfs` layer, we need it to be aware of auditing to some extent. The default implementation is no-op because multiple existing vfs are not using auditing at all right now (eg: fncachevfs).
author Boris Feld <boris.feld@octobus.net>
date Wed, 26 Dec 2018 13:44:23 +0100
parents c8006a25b845
children 9e593db5f1a1
comparison
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41090:c8006a25b845 41091:d9b6b9ed96d8
43 """Abstract base class; cannot be instantiated""" 43 """Abstract base class; cannot be instantiated"""
44 44
45 def __init__(self, *args, **kwargs): 45 def __init__(self, *args, **kwargs):
46 '''Prevent instantiation; don't call this from subclasses.''' 46 '''Prevent instantiation; don't call this from subclasses.'''
47 raise NotImplementedError('attempted instantiating ' + str(type(self))) 47 raise NotImplementedError('attempted instantiating ' + str(type(self)))
48
49 def _auditpath(self, path, mode):
50 pass
48 51
49 def tryread(self, path): 52 def tryread(self, path):
50 '''gracefully return an empty string for missing files''' 53 '''gracefully return an empty string for missing files'''
51 try: 54 try:
52 return self.read(path) 55 return self.read(path)