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Issue #15677: Document that zlib and gzip accept a compression level of 0 to mean 'no compression'.

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Patch by Brian Brazil.
This commit is contained in:
Nadeem Vawda 2012-11-11 13:52:10 +01:00
parent c3197254ac
commit 04050b80b1
5 changed files with 17 additions and 10 deletions
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5
Lib/gzip.py
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@ -66,9 +66,10 @@ class GzipFile(io.BufferedIOBase):
Be aware that only the 'rb', 'ab', and 'wb' values should be used
for cross-platform portability.
The compresslevel argument is an integer from 1 to 9 controlling the
The compresslevel argument is an integer from 0 to 9 controlling the
level of compression; 1 is fastest and produces the least compression,
and 9 is slowest and produces the most compression. The default is 9.
and 9 is slowest and produces the most compression. 0 is no compression
at all. The default is 9.
The mtime argument is an optional numeric timestamp to be written
to the stream when compressing. All gzip compressed streams