[issue22233] http.client splits headers on non-\r\n characters
Martin Panter
report at bugs.python.org
Fri Nov 27 20:34:32 EST 2015
Martin Panter added the comment:
David: what is the email issue you mentioned? In the mean time, I am uploading a patch to this issue.
It seems using StringIO is a bit slower than str.splitlines(). I found a way to optimize building long lines, which compensated a lot of the loss, but this optimization would apply even without using StringIO. My patch makes test.test_email 0.3% slower (the optimization alone would make it 4.4% faster), and test_email.TestFeedParsers.test_long_lines() is 3% slower (optimization 12% faster).
I also tried two other alternatives to str.splitlines(), but they were both slower than the StringIO technique:
* _partial is a list of UTF-8 bytes; join and use bytes.splitlines()
* _partial is a UTF-8 bytearray; use bytearray.splitlines()
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keywords: +patch
stage: needs patch -> patch review
versions: +Python 3.6
Added file: http://bugs.python.org/file41177/crlf-headers.patch
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