[issue17341] Poor error message when compiling invalid regex
Roundup Robot added the comment: New changeset 65db865c0851 by R David Murray in branch '3.3': #17341: Include name in re error message about invalid group name. http://hg.python.org/cpython/rev/65db865c0851 New changeset 227fed7a05d4 by R David Murray in branch 'default': Merge #17341: Include name in re error message about invalid group name. http://hg.python.org/cpython/rev/227fed7a05d4 New changeset bbb3aa45b4ea by R David Murray in branch '2.7': #17341: Include name in re error message about invalid group name. http://hg.python.org/cpython/rev/bbb3aa45b4ea -- nosy: +python-dev ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue17341 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue17341] Poor error message when compiling invalid regex
R. David Murray added the comment: Thanks Jason. -- resolution: - fixed stage: - committed/rejected status: open - closed versions: +Python 3.3, Python 3.4 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue17341 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue17341] Poor error message when compiling invalid regex
Changes by Jason Michalski arm...@armooo.net: -- keywords: +patch Added file: http://bugs.python.org/file29802/cpython-3.3-17341.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue17341 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue17341] Poor error message when compiling invalid regex
Changes by Jason Michalski arm...@armooo.net: Added file: http://bugs.python.org/file29803/cpython-2.7-17341.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue17341 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue17341] Poor error message when compiling invalid regex
Serhiy Storchaka added the comment: See also issue14462. It will be easier to include a full group name than an invalid character. -- nosy: +serhiy.storchaka ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue17341 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue17341] Poor error message when compiling invalid regex
New submission from Roy Smith:
re.compile('(?P=foo)')
Traceback (most recent call last):
File stdin, line 1, in module
File /home/roy/env/python/lib/python2.7/re.py, line 190, in compile
return _compile(pattern, flags)
File /home/roy/env/python/lib/python2.7/re.py, line 242, in _compile
raise error, v # invalid expression
sre_constants.error: bad character in group name
The error here is that I put a = where it shouldn't be. The error message is
misleading. The group name is the stuff between the 's. That part's fine.
What's broken is the stuff outside of the 's.
Unclear if it's reasonable to expect such precise error reporting here, but
this one seems particularly misleading, so opening a ticket to record the
observation.
--
components: Regular Expressions
messages: 183375
nosy: ezio.melotti, mrabarnett, roysmith
priority: normal
severity: normal
status: open
title: Poor error message when compiling invalid regex
type: behavior
versions: Python 2.7
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[issue17341] Poor error message when compiling invalid regex
R. David Murray added the comment: The error is that '' is not legal in a group name, and the parser is parsing the P= form. The error message could be improved by including the bad character in the message. -- keywords: +easy nosy: +r.david.murray ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue17341 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
