pyexpat patch for changing buffer_size

[achimgaedke]

BPO	1137
Nosy	@akuchling
Files	pyexpat_c_patch pyexpat_test_patch pyexpat_doc_patch simpler_patch.txt: Simplified version pyexpat-patch2.txt: Complete, simplified version

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = 'https://github.com/akuchling'
closed_at = <Date 2008-01-08.14:34:01.633>
created_at = <Date 2007-09-09.16:40:11.825>
labels = ['expert-XML']
title = 'pyexpat patch for changing buffer_size'
updated_at = <Date 2008-01-08.22:58:17.049>
user = 'https://bugs.python.org/AchimGaedke'

bugs.python.org fields:

activity = <Date 2008-01-08.22:58:17.049>
actor = 'AchimGaedke'
assignee = 'akuchling'
closed = True
closed_date = <Date 2008-01-08.14:34:01.633>
closer = 'akuchling'
components = ['XML']
creation = <Date 2007-09-09.16:40:11.825>
creator = 'AchimGaedke'
dependencies = []
files = ['8409', '8410', '8411', '9097', '9098']
hgrepos = []
issue_num = 1137
keywords = ['patch']
message_count = 5.0
messages = ['55767', '59494', '59497', '59538', '59571']
nosy_count = 2.0
nosy_names = ['akuchling', 'AchimGaedke']
pr_nums = []
priority = 'normal'
resolution = 'accepted'
stage = None
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue1137'
versions = ['Python 2.6']

[achimgaedke]

Hello!

Sometimes people have big amounts of text/data in xml files. To make
processing more effective, they should be able to change the buffer size
for collecting character data in one string.

Here comes a patch that applies necessary changes in setattr method. It
handles reallocation sufficiently efficient without introducing extra
variables to the parser class.

Also a documentation patch and some test cases are available.

These patches and tests were done with debian etch python2.5, which is
python-2.5.1 . This patch also works on python2.4 .

[akuchling]

Here's a simpler, but still untested version of the patch that cuts out
the various cases for reallocating when there's already buffered data
and just does a flush every time.

[akuchling]

Here's another update of the simplified version, that also updated the
documentation patch for reST and updates the test for the current code.

[akuchling]

Committed to the trunk in rev. 59853.

AchimGaedke: thanks for your contribution! Also, please submit a signed
copy of the
contributor agreement when you can: see
http://www.python.org/psf/contrib/ for details.

[achimgaedke]

Also the shortend version will bring better performance.
Thanks!