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103 commits

Author SHA1 Message Date
Ageev Maxim
7c3692fe27
gh-130928: Fix error message during bytes formatting for the 'i' flag (#130967) 2025-03-24 22:07:03 +03:00
Sergey B Kirpichev
f39a07be47
gh-87790: support thousands separators for formatting fractional part of floats (#125304) 
```pycon
>>> f"{123_456.123_456:_._f}"  # Whole and fractional
'123_456.123_456'
>>> f"{123_456.123_456:_f}"    # Integer component only
'123_456.123456'
>>> f"{123_456.123_456:._f}"   # Fractional component only
'123456.123_456'
>>> f"{123_456.123_456:.4_f}"  # with precision
'123456.1_235'
```
 2025-02-25 16:27:07 +01:00
Serhiy Storchaka
1a0c7b9ba4
gh-121905: Consistently use "floating-point" instead of "floating point" (GH-121907) 2024-07-19 08:06:02 +00:00
Sergey B Kirpichev
b278c723d7
gh-119780: Adjust exception messages in Lib/test/test_format.py (GH-119781) 
Mismatches were just output to the stdout, without making the test failing.
 2024-05-31 11:07:16 +03:00
Erlend E. Aasland
ea94b3b149
gh-116303: Skip test module dependent tests if test modules are unavailable (#117341) 2024-04-03 15:11:36 +02:00
John Belmonte
3ed8c88290
gh-104018: disallow "z" format specifier in %-format of byte strings (GH-104033) 
PEP-0682 specified that %-formatting would not support the "z" specifier,
but it was unintentionally allowed for bytes. This PR makes use of the "z"
flag an error for %-formatting in a bytestring.

Issue: #104018

---------

Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
 2023-05-01 20:47:14 +01:00
John Belmonte
b0b836b20c
bpo-45995: add "z" format specifer to coerce negative 0 to zero (GH-30049) 
Add "z" format specifier to coerce negative 0 to zero.

See https://github.com/python/cpython/issues/90153 (originally https://bugs.python.org/issue45995) for discussion.
This covers `str.format()` and f-strings.  Old-style string interpolation is not supported.

Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
 2022-04-11 15:34:18 +01:00
Nikita Sobolev
8d8729146f
bpo-20524: adds better error message for .format() (GH-28310) 
It now lists the bad format_spec and the type of the object.
 2021-09-24 11:18:04 -04:00
Mohamad Mansour
8f943ca257
[codemod] Fix non-matching bracket pairs (GH-28473) 
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
 2021-09-22 01:09:00 +02:00
Zackery Spytz
9654592478
bpo-42506: Fix unexpected output in test_format (GH-23564) 2020-11-30 17:39:12 +09:00
Lysandros Nikolaou
301822859b
bpo-42224: Fix test_format when locale does not expect number grouping (GH-23067) 2020-11-02 17:27:30 +02:00
han-solo
749ed85e44
Fixed mistake in test for f-string error description (GH-22036) (GH-22059) 2020-09-02 04:56:37 -04:00
han-solo
0d6aa7f0ee
bpo-41681: Fix for f-string/str.format error description when using 2 , in format specifier (GH-22036) 
* Fixed `f-string/str.format` error description when using two `,` in format specifier.

Co-authored-by: millefalcon <hanish0019@hmail.com>
 2020-09-01 10:34:29 -04:00
Mark Dickinson
895c9c1d43
bpo-40780: Fix failure of _Py_dg_dtoa to remove trailing zeros (GH-20435) 
* Fix failure of _Py_dg_dtoa to remove trailing zeros

* Add regression test and news entry

* Add explanation about why it's safe to strip trailing zeros

* Make code safer, clean up comments, add change note at top of file

* Nitpick: avoid implicit int-to-float conversion in tests
 2020-05-29 14:23:57 +01:00
Min ho Kim
39d87b5471 Fix typos mostly in comments, docs and test names (GH-15209) 2019-08-30 16:21:19 -04:00
Xiang Zhang
7e2a54cdd9 bpo-28856: Let %b format for bytes support objects that follow the buffer protocol (GH-546) 2017-03-14 15:07:15 +08:00
Serhiy Storchaka
9f8ad3f39e bpo-29568: Disable any characters between two percents for escaped percent "%%" in the format string for classic string formatting. (GH-513) 2017-03-08 11:51:19 +08:00
Serhiy Storchaka
b7fc5e42c5 Issue #29073: Added a test for bytearray formatting with null byte. 2016-12-28 09:56:52 +02:00
Serhiy Storchaka
c9ad8b7a23 Issue #29073: bytearray formatting no longer truncates on first null byte. 2016-12-28 09:54:22 +02:00
Serhiy Storchaka
025f8953f1 Issue #29000: Fixed bytes formatting of octals with zero padding in alternate 
form.
 2016-12-17 22:13:05 +02:00
Serhiy Storchaka
b1a1619bf0 Issue #29000: Fixed bytes formatting of octals with zero padding in alternate 
form.
 2016-12-17 21:48:03 +02:00
Martin Panter
0a7b8596c0 Issues #28916, #26483: Merge stdtypes.rst from 3.5 2016-12-11 02:31:32 +00:00
Martin Panter
41176ae1d2 Issue #28916: Correct description of %o and %x alternative forms 
* In Python 3, the specifier is 0o
* There is no special case for leading zeros
* Remove duplicate tests
* Clarify other existing tests and comments
 2016-12-11 01:07:29 +00:00
Serhiy Storchaka
6db1f6f7ae Issue #26983: Fixed test_format failure. 
Patch by SilentGhost.
 2016-06-06 13:00:03 +03:00
Victor Stinner
0cdad1e2bc Issue #25349: Add fast path for b'%c' % int 
Optimize also %% formater.
 2015-10-09 22:50:36 +02:00
Serhiy Storchaka
de1c27feaa Issue #23466: Fixed expected error message in test_format. 2015-04-04 17:29:28 +03:00
Serhiy Storchaka
41525e31a5 Issue #23466: Raised OverflowError if %c argument is out of range. 2015-04-03 20:53:46 +03:00
Serhiy Storchaka
2c7b5a9d0d Issue #23466: %c, %o, %x, and %X in bytes formatting now raise TypeError on 
non-integer input.
 2015-03-30 09:19:08 +03:00
Ethan Furman
62e977f1b6 Close issue23467: add %r compatibility to bytes and bytearray 2015-03-11 08:17:00 -07:00
Ethan Furman
b95b56150f Issue20284: Implement PEP461 2015-01-23 20:05:18 -08:00
Ethan Furman
38d872ee5d Issue19995: passing a non-int to %o, %c, %x, or %X now raises an exception 2014-03-19 08:38:52 -07:00
Serhiy Storchaka
f28ba369dd Issue #20532: Tests which use _testcapi now are marked as CPython only. 2014-02-07 10:10:55 +02:00
Serhiy Storchaka
5cfc79deae Issue #20532: Tests which use _testcapi now are marked as CPython only. 2014-02-07 10:06:39 +02:00
Serhiy Storchaka
a146bef02b Catch deprecation warnings emitted when non-integers are formatted with %c, %o 
and %x (introduced in issue #19995).
 2014-02-06 22:44:27 +02:00
Ethan Furman
f9bba9c67f Issue19995: issue deprecation warning for non-integer values to %c, %o, %x, %X 2014-01-11 23:20:58 -08:00
Ethan Furman
df3ed242c0 Issue19995: %o, %x, %X now only accept ints 2014-01-05 06:50:30 -08:00
Mark Dickinson
ed7bb488b4 Remove failing checks for explicit error messages. 2013-10-13 11:34:01 +01:00
Mark Dickinson
ef8627b3f0 Issue #18659: fix test_format test that wasn't being executed. Thanks Vajrasky Kok for the patch. 2013-10-13 11:04:36 +01:00
Mark Dickinson
f3e4b62d02 Issue #18659: Backed out changeset cfd875bcbe41 after buildbot failures. 2013-08-05 10:59:36 +01:00
Mark Dickinson
a9e626f704 Issue #18659: fix test_format test that wasn't being executed. Thanks Vajrasky Kok for the patch. 2013-08-05 10:30:14 +01:00
Victor Stinner
2ab07f01a4 (Merge 3.3) Issue #18137: Detect integer overflow on precision in 
float.__format__() and complex.__format__().
 2013-06-23 14:55:43 +02:00
Victor Stinner
2f084ecfe7 Issue #18137: Detect integer overflow on precision in float.__format__() and 
complex.__format__().
 2013-06-23 14:54:30 +02:00
Victor Stinner
cfc4c13b04 Add _PyUnicodeWriter_WriteSubstring() function 
Write a function to enable more optimizations:

 * If the substring is the whole string and overallocation is disabled, just
   keep a reference to the string, don't copy characters
 * Avoid a call to the expensive _PyUnicode_FindMaxChar() function when
   possible
 2013-04-03 01:48:39 +02:00
Ezio Melotti
33136fa6e7 #17217: merge with 3.3. 2013-02-23 07:58:28 +02:00
Ezio Melotti
4ad8eec09e #17217: merge with 3.2. 2013-02-23 07:57:53 +02:00
Ezio Melotti
507eb09ad6 #17217: fix UnicodeEncodeErrors errors in test_format by printing ASCII only. 2013-02-23 07:53:56 +02:00
Victor Stinner
621ef3d84f Issue #15609: Optimize str%args for integer argument 
- Use _PyLong_FormatWriter() instead of formatlong() when possible, to avoid
   a temporary buffer
 - Enable the fast path when width is smaller or equals to the length,
   and when the precision is bigger or equals to the length
 - Add unit tests!
 - formatlong() uses PyUnicode_Resize() instead of _PyUnicode_FromASCII()
   to resize the output string
 2012-10-02 00:33:47 +02:00
Victor Stinner
184252ad3f Fix "%f" format of str%args if the result is not an ASCII or latin1 string 2012-06-16 02:57:41 +02:00
Stefan Krah
0509d9418a Issue #14113: Fix a test_strptime failure caused by changes to LC_ALL. 2012-02-27 10:18:51 +01:00
Victor Stinner
90f50d4df9 Issue #13706: Fix format(float, "n") for locale with non-ASCII decimal point (e.g. ps_aF) 2012-02-24 01:44:47 +01:00