##############################################################################
#
# Copyright (c) 2008 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""
"""
__docformat__ = "reStructuredText"
import re
import zope.interface
import zope.schema
from z3c.schema.regex import interfaces
[docs]@zope.interface.implementer(interfaces.IRegex)
class Regex(zope.schema.ASCIILine):
"""Regex schema field.
Must be a compilable regular expression
"""
def _validate(self, value):
super(Regex, self)._validate(value)
try:
re.compile(value)
except re.error as e:
raise interfaces.InvalidRegex('%r, %s' % (value, e))
[docs] def fromUnicode(self, value):
v = str(value.strip())
self.validate(v)
return v