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281 commits

Author SHA1 Message Date
Serhiy Storchaka
fbb490fd2f
bpo-32308: Replace empty matches adjacent to a previous non-empty match in re.sub(). (#4846) 2018-01-04 11:06:13 +02:00
Serhiy Storchaka
b748e3b258
Fix improper use of re.escape() in tests. (#4814) 2017-12-12 19:21:50 +02:00
Serhiy Storchaka
70d56fb525
bpo-25054, bpo-1647489: Added support of splitting on zerowidth patterns. (#4471) 
Also fixed searching patterns that could match an empty string.
 2017-12-04 14:29:05 +02:00
Serhiy Storchaka
05cb728d68
bpo-30349: Raise FutureWarning for nested sets and set operations (#1553) 
in regular expressions.
 2017-11-16 12:38:26 +02:00
Serhiy Storchaka
3557b05c5a bpo-31690: Allow the inline flags "a", "L", and "u" to be used as group flags for RE. (#3885) 2017-10-24 23:31:42 +03:00
Serhiy Storchaka
0b5e61ddca bpo-30397: Add re.Pattern and re.Match. (#1646) 2017-10-04 20:09:49 +03:00
Serhiy Storchaka
5075416b8f bpo-30978: str.format_map() now passes key lookup exceptions through. (#2790) 
Previously any exception was replaced with a KeyError exception.
 2017-08-03 11:45:23 +03:00
Roy Williams
171b9a354e bpo-30605: Fix compiling binary regexs with BytesWarnings enabled. (#2016) 
Running our unit tests with `-bb` enabled triggered this failure.
 2017-06-10 08:01:16 +03:00
Serhiy Storchaka
c7ac7280c3 bpo-30375: Correct the stacklevel of regex compiling warnings. (#1595) 
Warnings emitted when compile a regular expression now always point
to the line in the user code.  Previously they could point into inners
of the re module if emitted from inside of groups or conditionals.
 2017-05-16 15:16:15 +03:00
Serhiy Storchaka
4ab6abfca4 bpo-30299: Display a bytecode when compile a regex in debug mode. (#1491) 
`re.compile(..., re.DEBUG)` now displays the compiled bytecode in
human readable form.
 2017-05-14 09:05:13 +03:00
Serhiy Storchaka
821a9d146b bpo-30340: Enhanced regular expressions optimization. (#1542) 
This increased the performance of matching some patterns up to 25 times.
 2017-05-14 08:32:33 +03:00
Serhiy Storchaka
305ccbe27e bpo-30298: Weaken the condition of deprecation warnings for inline modifiers. (#1490) 
Now allowed several subsequential inline modifiers at the start of the
pattern (e.g. '(?i)(?s)...').  In verbose mode whitespaces and comments
now are allowed before and between inline modifiers (e.g.
'(?x) (?i) (?s)...').
 2017-05-10 06:05:20 +03:00
Serhiy Storchaka
6d336a0279 bpo-30285: Optimize case-insensitive matching and searching (#1482) 
of regular expressions.
 2017-05-09 23:37:14 +03:00
Serhiy Storchaka
7186cc29be bpo-30277: Replace _sre.getlower() with _sre.ascii_tolower() and _sre.unicode_tolower(). (#1468) 2017-05-05 10:42:46 +03:00
Serhiy Storchaka
898ff03e1e bpo-30215: Make re.compile() locale agnostic. (#1361) 
Compiled regular expression objects with the re.LOCALE flag no longer
depend on the locale at compile time.  Only the locale at matching
time affects the result of matching.
 2017-05-05 08:53:40 +03:00
Serhiy Storchaka
fdbd01151d bpo-10076: Compiled regular expression and match objects now are copyable. (#1000) 2017-04-16 10:16:03 +03:00
Serhiy Storchaka
5908300e4b bpo-29995: re.escape() now escapes only special characters. (#1007) 2017-04-13 21:06:43 +03:00
Victor Stinner
d6debb24e0 bpo-29919: Remove unused imports found by pyflakes (#137) 
Make also minor PEP8 coding style fixes on modified imports.
 2017-03-27 16:05:26 +02:00
Benjamin Peterson
21a74312f2 Revert "bpo-29571: Use correct locale encoding in test_re (#149)" (#554) 
This reverts commit ace5c0fdd9.
 2017-03-07 22:48:09 -08:00
Benjamin Peterson
1e68716fd5 Revert "make the locale_flag fallback code work again (#375)" (#387) 
This reverts commit 43f5df5bfa.
 2017-03-01 21:53:00 -08:00
Benjamin Peterson
43f5df5bfa make the locale_flag fallback code work again (#375) 2017-02-28 23:59:12 -08:00
Nick Coghlan
ace5c0fdd9 bpo-29571: Use correct locale encoding in test_re (#149) 
``local.getlocale(locale.LC_CTYPE)`` and
``locale.getpreferredencoding(False)`` may give different answers
in some cases (such as the ``en_IN`` locale).

``re.LOCALE`` uses the latter, so update the test case to match.
 2017-02-18 15:01:22 +05:30
Serhiy Storchaka
ef5176769d Issue #29444: Fixed out-of-bounds buffer access in the group() method of 
the match object.  Based on patch by WGH.
 2017-02-04 22:57:44 +02:00
Serhiy Storchaka
86e42376c2 Issue #29444: Fixed out-of-bounds buffer access in the group() method of 
the match object.  Based on patch by WGH.
 2017-02-04 22:55:40 +02:00
Serhiy Storchaka
7e10dbbd45 Issue #29444: Fixed out-of-bounds buffer access in the group() method of 
the match object.  Based on patch by WGH.
 2017-02-04 22:53:57 +02:00
Serhiy Storchaka
70d28a184c Remove unused imports. 2016-12-16 20:00:15 +02:00
Victor Stinner
726a57d45f Issue #28765: _sre.compile() now checks the type of groupindex and indexgroup 
groupindex must a dictionary and indexgroup must be a tuple.

Previously, indexgroup was a list. Use a tuple to reduce the memory usage.
 2016-11-22 23:04:39 +01:00
Serhiy Storchaka
53c53ea4c5 Issue #27030: Unknown escapes in re.sub() replacement template are allowed 
again.  But they still are deprecated and will be disabled in 3.7.
 2016-12-06 19:15:29 +02:00
Victor Stinner
bcf4dccfa7 Issue #28727: Optimize pattern_richcompare() for a==a 
A pattern is equal to itself.
 2016-11-22 15:30:38 +01:00
Victor Stinner
b44fb128ae Implement rich comparison for _sre.SRE_Pattern 
Issue #28727: Regular expression patterns, _sre.SRE_Pattern objects created by
re.compile(), become comparable (only x==y and x!=y operators). This change
should fix the issue #18383: don't duplicate warning filters when the warnings
module is reloaded (thing usually only done in unit tests).
 2016-11-21 16:35:08 +01:00
Victor Stinner
8bf43e6d0b Issue #28082: Add basic unit tests on re enums 2016-11-14 12:38:43 +01:00
Serhiy Storchaka
662cef66d7 Issue #25953: re.sub() now raises an error for invalid numerical group 
reference in replacement template even if the pattern is not found in
the string.  Error message for invalid group reference now includes the
group index and the position of the reference.
Based on patch by SilentGhost.
 2016-10-23 12:11:19 +03:00
Serhiy Storchaka
0eb60a7cb9 Issue #11957: Restored re tests for passing count and maxsplit as positional 
arguments.
 2016-09-25 20:39:04 +03:00
Serhiy Storchaka
b02f8fc3af Issue #11957: Restored re tests for passing count and maxsplit as positional 
arguments.
 2016-09-25 20:36:23 +03:00
Serhiy Storchaka
abf275af58 Issue #22493: Warning message emitted by using inline flags in the middle of 
regular expression now contains a (truncated) regex pattern.
Patch by Tim Graham.
 2016-09-17 01:29:58 +03:00
Eric V. Smith
605bdae078 Issue 24454: Improve the usability of the re match object named group API 2016-09-11 08:55:43 -04:00
Serhiy Storchaka
bd48d27944 Issue #22493: Inline flags now should be used only at the start of the 
regular expression.  Deprecation warning is emitted if uses them in the
middle of the regular expression.
 2016-09-11 12:50:02 +03:00
Serhiy Storchaka
cc66a6528d Backported tests for issue #28070. 2016-09-11 01:39:51 +03:00
Serhiy Storchaka
d65cd091e9 Issue #28070: Fixed parsing inline verbose flag in regular expressions. 2016-09-11 01:39:01 +03:00
Serhiy Storchaka
be9a4e5c85 Issue #433028: Added support of modifier spans in regular expressions. 2016-09-10 00:57:55 +03:00
R David Murray
44b548dda8 #27364: fix "incorrect" uses of escape character in the stdlib. 
And most of the tools.

Patch by Emanual Barry, reviewed by me, Serhiy Storchaka, and
Martin Panter.
 2016-09-08 13:59:53 -04:00
Serhiy Storchaka
977b3ac1c1 Issue #27177: Match objects in the re module now support index-like objects 
as group indices.  Based on patches by Jeroen Demeyer and Xiang Zhang.
 2016-06-18 16:48:07 +03:00
Serhiy Storchaka
9bd85b83f6 Issue #27030: Unknown escapes consisting of `'\'` and ASCII letter in 
regular expressions now are errors.
 2016-06-11 19:15:00 +03:00
Serhiy Storchaka
485407ce1e Issue #24580: Symbolic group references to open group in re patterns now are 
explicitly forbidden as well as numeric group references.
 2015-07-18 23:27:00 +03:00
Serhiy Storchaka
07360df481 Issue #14260: The groupindex attribute of regular expression pattern object 
now is non-modifiable mapping.
 2015-03-30 01:01:48 +03:00
Serhiy Storchaka
632a77e6a3 Issue #22364: Improved some re error messages using regex for hints. 2015-03-25 21:03:47 +02:00
Serhiy Storchaka
a54aae0683 Issue #23622: Unknown escapes in regular expressions that consist of `'\'` 
and ASCII letter now raise a deprecation warning and will be forbidden in
Python 3.6.
 2015-03-24 22:58:14 +02:00
Serhiy Storchaka
4eea62fd2e Issues #814253, #9179: Group references and conditional group references now 
work in lookbehind assertions in regular expressions.
 2015-02-21 10:07:35 +02:00
Serhiy Storchaka
83e802796c Issue #22818: Splitting on a pattern that could match an empty string now 
raises a warning.  Patterns that can only match empty strings are now
rejected.
 2015-02-03 11:04:19 +02:00
Serhiy Storchaka
22a309a434 Issue #21032: Deprecated the use of re.LOCALE flag with str patterns or 
re.ASCII. It was newer worked.
 2014-12-01 11:50:07 +02:00