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How do I transfer the contents of a stream to another in Python?
The trivial solution would be
output.write(input.read())
but that fails if the input file is larger than the available memory (or even infinitely large); and it doesn’t work well when a partial copy is useful as well. Basically I’m looking for the equivalent of org.apache.commons.IOUtils.copy.
shutil.copyfileandshutil.copyfileobjfor the rescue. See http://docs.python.org/library/shutil.html#module-shutil