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August 29, 2015 14:04
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| import os | |
| class TransactComplete: | |
| def __init__(self,thing): | |
| self.original_filename = thing.filename | |
| self.thing = thing | |
| thing.filename = "{}.pending".format(thing.filename) | |
| def enter(self):return None | |
| def exit(self,*a): | |
| os.rename(self.original_filename,self.original_filename+".bak") | |
| os.rename(self.original_filename+".pending",self.original_filename) | |
| self.thing.filename = self.original_filename |
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