Commits

History for

Commits on Aug 13, 2026

gh-75008: Detect the lineterminator in csv.Sniffer.sniff() (GH-155061)
serhiy-storchaka
authored
3157786
gh-155033: Support copy.replace() for csv dialects (GH-155035)

serhiy-storchaka
and
claude
authored
b4af851

Commits on Jul 27, 2026

gh-154744: Improve detection of skipinitialspace in csv.Sniffer (GH-154745)
serhiy-storchaka
authored
b8862ae

Commits on Jul 22, 2026

gh-80678: Document the preferred delimiters of csv.Sniffer (#154336)

serhiy-storchaka
and
claude
authored
79cdcee

Commits on Jul 21, 2026

Commits on Oct 23, 2025

gh-137627: Make `csv.Sniffer.sniff()` delimiter detection 1.6x faster (#137628)

maurycy
and
picnixz
authored
6be6f8f

Commits on Sep 29, 2025

gh-76007: Deprecate `__version__` attribute (#138675)

authored
872eafd

Commits on Jan 18, 2025

gh-118761: Improve import time for `csv` (#128858)
picnixz
authored
d5e9aa6

Commits on Jul 19, 2024

gh-121905: Consistently use "floating-point" instead of "floating point" (GH-121907)
serhiy-storchaka
authored
1a0c7b9

Commits on Feb 5, 2024

gh-114628: Display csv.Error without context (#115005)
terryjreedy
authored
e207cc1

Commits on Jan 18, 2024

gh-114123: Migrate docstring from _csv to csv (#114124)

authored
72abb8c

Commits on Apr 12, 2023

gh-67230: add quoting rules to csv module (GH-29469)
smontanaro
authored
330a942

Commits on Dec 9, 2022

bpo-44512: Fix handling of extrasactions arg to csv.DictWriter with mixed or upper case (#26924)
akulakov
authored
d0679c1

Commits on Nov 10, 2022

gh-99281: [csv] remove try/except, `complex` always exists (#99282)
sobolevn
authored
d6f2767

Commits on Aug 25, 2022

gh-76728: Coerce DictReader and DictWriter fieldnames argument to a list (GH-32225)
dignissimus
authored
cd492d4

Commits on May 8, 2022

Commits on Jul 30, 2021

bpo-43625: Enhance csv sniffer has_headers() to be more accurate (GH-26939)
akulakov
authored
ceea579

Commits on May 10, 2019

bpo-27497: Add return value to csv.DictWriter.writeheader (GH-12306)

Rémi Lapeyre
authored and
vstinner
committed
fce5ff1

Commits on Jan 31, 2019

bpo-34003: Use dict instead of OrderedDict in csv.DictReader (GH-8014)

selik
authored and
rhettinger
committed
9f3f093

Commits on Feb 9, 2018

bpo-30157: Fix csv.Sniffer.sniff() regex pattern. (GH-5601)

serhiy-storchaka
and
jake-jake-jake
authored
2411292

Commits on Feb 6, 2017

Issue #29405: Make total calculation in _guess_delimiter more accurate.
zhangyangyu
committed
6aee6fb

Commits on Oct 21, 2016

Issue #18219: Optimize csv.DictWriter for large number of columns.
methane
committed
0a421a2

Commits on Sep 8, 2016

#27364: fix "incorrect" uses of escape character in the stdlib.
bitdancer
committed
44b548d

Commits on Aug 30, 2016

Issue #27842: The csv.DictReader now returns rows of type OrderedDict.
rhettinger
committed
43ca452

Commits on Nov 14, 2015

Issue #23883: Add missing APIs to __all__; patch by Jacek Kołodziej
vadmium
committed
19e69c5

Commits on Mar 30, 2015

Issue #23171: csv.Writer.writerow() now supports arbitrary iterables.
serhiy-storchaka
committed
7901b48

Commits on Mar 29, 2015

Issue #14260: The groupindex attribute of regular expression pattern object
serhiy-storchaka
committed
07360df

Commits on Nov 19, 2013

#19449: Handle non-string keys when generating 'fieldnames' error.
bitdancer
committed
fb099c9

Commits on Jun 29, 2013

#18155: Regex-escape delimiter, in case it is a regex special char.
bitdancer
committed
925a322

Commits on Mar 16, 2011

#11565: Merge with 3.1.
ezio-melotti
committed
3b3499b
#11565: Fix several typos. Patch by Piotr Kasprzyk.
ezio-melotti
committed
1392500

Commits on Oct 27, 2010

#5975: add unix_dialect to csv module.
birkenfeld
committed
7424dd3

Commits on Feb 23, 2010

Merged revisions 78384 via svnmerge from
bitdancer
committed
be0698b