mirror of
https://github.com/Hopiu/linkchecker.git
synced 2026-03-17 14:30:30 +00:00
43 lines
1.4 KiB
Python
43 lines
1.4 KiB
Python
# -*- coding: iso-8859-1 -*-
|
|
# Copyright (C) 2011-2014 Bastian Kleineidam
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License along
|
|
# with this program; if not, write to the Free Software Foundation, Inc.,
|
|
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
"""Provide custom validators."""
|
|
|
|
from PyQt4 import QtGui
|
|
import re
|
|
|
|
|
|
def check_regex (value):
|
|
"""Check if given string value can be compiled with re.compile()."""
|
|
try:
|
|
re.compile(value)
|
|
except re.error:
|
|
return False
|
|
else:
|
|
return True
|
|
|
|
|
|
class PyRegexValidator (QtGui.QValidator):
|
|
"""Validate input that it is a valid Python regular expression."""
|
|
|
|
def validate (self, input, pos):
|
|
if check_regex(unicode(input)):
|
|
return (QtGui.QValidator.Acceptable, pos)
|
|
return (QtGui.QValidator.Intermediate, pos)
|
|
|
|
def fixup (self, input):
|
|
while not check_regex(unicode(input)):
|
|
input.chop(1)
|