##############################################################################
#
# 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.baseurl import interfaces
#: Determine whether the URL is a base URL.
isValidBaseURL = re.compile(
r"[a-zA-Z0-9+.-]+:" # scheme
r"\S*$" # non space (should be pickier)
).match
[docs]@zope.interface.implementer(interfaces.IBaseURL)
class BaseURL(zope.schema.URI):
"""Base URL field.
Such a base url must end with a ``/``. This makes it simpler for
append a view name.
"""
def _validate(self, value):
if (isValidBaseURL(value)
and value.endswith('/')
and not value.endswith(':/')):
return
raise interfaces.InvalidBaseURL(value)
[docs] def fromUnicode(self, value):
v = str(value.strip())
self.validate(v)
return v