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#!/usr/bin/env python | |
# | |
# Building a tar file chunk-by-chunk. | |
# | |
# This is a quick bit of sample code for streaming data to a tar file, | |
# building it piece-by-piece. The tarfile is built on-the-fly and streamed | |
# back out. This is useful for web applications that need to dynamically | |
# build a tar file without swamping the server. | |
from io import BytesIO | |
from os import walk |
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f = open('file.txt', 'w') | |
f.write('hi') | |
f.close() | |
# Better | |
with open('file.txt', 'w') as f: | |
f.write('hi') | |
with pytest.raises(ValueError): | |
int('hi') |