hrchu
/ gist:c964f18d60b44f0bb9af
Last active
August 29, 2015 14:08
Emulate large file in python, with file-like object interface and without memory overload
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| file_size=5*2**30 #5GB | |
| class FakeFile: | |
| def __init__(self): | |
| self.remain_size=file_size | |
| def read(self, size): | |
| if self.remain_size == 0: | |
| return None | |
| elif self.remain_size >= size: | |
| self.remain_size-=size |
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