Python Regexp 2.7 in Launchpad (original) (raw)

Currently registered issues:

Atomic Grouping / Possessive Qualifiers

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-01

Named Match Groups as Match Attributes

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-02

Match objects support Array Indexing

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-03

Add support for Perl-Style Relative Back References

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-04

Allow Parenthetically Well-Nested Comments in Regular Expressions

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-05

Add support for fixed-width Expression matching, enabling the undocumented Template option

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-06

Better compiled expression Cache

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-07

Emacs / Perl like Named Character Sets

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-08

Engine Cleanups, Documentation and general Improvements

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-09

9-1) New Engine Proposal that replaces pseudo-recursion with a Single Loop

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-09-01

9-1-1) New Engine Proposal that replaces pseudo-recursion with Three Nested Loops

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-09-01-01

9-2) New Engine designed by Matthew Barnett

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-09-02

9-3) New Engine based on Thompson Non-Finite Automaton (NFA)

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-09-03
[ http://bugs.python.org/issue1662581 ]
[ http://bugs.python.org/issue1721518 ]
[ http://swtch.com/~rsc/regexp/regexp1.html ]

Reduce use of Magic Numbers by sharing Constants between the C-Engine and Python

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-10

Catch-All for any other Perl 5.10.0 / 6.0 features we may wish to add

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-11

Clarify elements of the Documentation about how Regular Expression Comment nesting works

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-12

Add a grouptuple method to the Match object which would return a 3-tuple for each match group

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-13

Allow UNICODE Match Group Identifiers

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-14

Add __doc__ strings to the Pattern_Type, Match_Type and Scanner_Type classes

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-15

Implement various FIXMEs

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-16

16-1) Allow the deletion of the string attribute associated with a Match object

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-16-01

Variable-Length Positive and Negative Look-Behind Expressions

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-17

Allow for Strings to be scanned in Reverse by a given Regular Expression Pattern

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-18

Allow In-Line Pattern Flags to be Positionally Dependant

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-19

Allow In-Line Pattern Flags to be Negated

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-20

Allow Scoped In-Line Pattern Flags

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-21

Change how a Zero-Width Pattern splits a string

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-22

Fix inconsistencies in how Character Ranges work in Case-Insensitive Character Classes

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-23

Fix missing character bug in findall / finditer methods

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-24

Allow sub-expressions of size greater than 65535

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-25

Allow Capture Groups in Look-Behind expressions

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-26

Allow UNICODE (\u, \U) escape sequences in Regular Expressions

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-27
[ http://bugs.python.org/issue3665 ]
[ http://bugs.python.org/file11235/re_unicode_escapes.diff - Georg Brandl]

Add Flags parameter to re.split, re.sub and re.subn

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-28
[ http://bugs.python.org/issue3482 ]
[ http://bugs.python.org/issue3255 ]

re.sub / re.subn should allow Unmatched Group replacement via empty string

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-29
[ http://bugs.python.org/issue1519638 ]

re.escape should only escape non-alphanumeric characters that are known Regular Expression operators

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-30
[ http://bugs.python.org/issue2650 ]
[ http://bugs.python.org/file10080/re.patch (Russ Cox) ]
[ http://bugs.python.org/file10084/re.patch (Russ Cox) ]
[ http://bugs.python.org/file10130/re.patch (Lorenz Quack - add Frozen Set to store characters) ]
[ http://bugs.python.org/file10215/re_patch.diff (Rafael Zanella -- combo w/ dict) ]

Make sure \w properly matches non-Roman scripts
a) Verify Regexp2.7 uses UNICODE 5.x
b) Verify whether Mc, Mn and Me character classes should be classified as Spaces or Words

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-31
[ http://bugs.python.org/issue1693050 ]

Add support for immutable bytes and mutable buffer objects in the place of basestring types

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-33
[ http://bugs.python.org/issue1282 ]
[ http://bugs.python.org/issue1708652 ]
[ http://www.python.org/dev/peps/pep-3137 ]

Ignore redundant repeat operators (e.g. in '(x*)*', '(x*)?', '(x*){n}' and '(x*){n,m}')

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-32
[ http://bugs.python.org/issue2537 ]
[ http://bugs.python.org/issue1633953 ]
[ http://bugs.python.org/issue1456280 ]
[ http://bugs.python.org/issue214033 - (x?)? - No longer pertinent ]

Add support for exact (start to finish) matches via an exact method on the pattern object (e.g. exact == search(r'\A...\Z', ...) == match(r'...\Z', ...))

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-34
[ http://bugs.python.org/issue1708652 ]

Add support for PCRE-style Regular Expression subroutines

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-35
[ http://bugs.python.org/issue694374 ]
[ http://manpages.courier-mta.org/htmlman3/pcresyntax.3.html ]

Add option to make \Z and \z operate like Perl / the PCRE, e.g. re.PERL, re.E, (?E)

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-36
[ Suggestion by Matthew Barnett ]

Solve the mysterious PyObjectDel / Py_DECREF debug memory issue

https://www.launchpad.net/~pythonregexp2.7/python/issue2636-99
[ http://bugs.python.org/issue3299 ]
[ http://bugs.python.org/file10891/_sre-2.patch (Victor Stinner) ]
[ http://bugs.python.org/file10892/_curses_panel.patch (Victor Stinner) ]
[ http://bugs.python.org/file10893/pyobject_del.patch (Victor Stinner) ]

A number of these issues have combined solutions as well as the core solutions listed here; see https://code.launchpad.net/~pythonregexp2.7 for a complete list of all current branches.

This is a group engaged in updating the current Regular Expression engine in the Python programming language to support enhanced features, various bug fixes and better documentation.