mirror of
https://github.com/nottinghamtec/PyRIGS.git
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121 lines
3.1 KiB
Python
121 lines
3.1 KiB
Python
##############################################################################
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#
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# Copyright (c) 2002 Zope Foundation and Contributors.
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# All Rights Reserved.
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#
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# This software is subject to the provisions of the Zope Public License,
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# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
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# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
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# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
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# FOR A PARTICULAR PURPOSE.
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#
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##############################################################################
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"""Bootstrap schema interfaces and exceptions
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"""
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import zope.interface
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from zope.schema._messageid import _
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class StopValidation(Exception):
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"""Raised if the validation is completed early.
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Note that this exception should be always caught, since it is just
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a way for the validator to save time.
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"""
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class ValidationError(zope.interface.Invalid):
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"""Raised if the Validation process fails."""
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def doc(self):
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return self.__class__.__doc__
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def __cmp__(self, other):
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if not hasattr(other, 'args'):
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return -1
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return cmp(self.args, other.args)
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def __eq__(self, other):
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if not hasattr(other, 'args'):
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return False
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return self.args == other.args
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__hash__ = zope.interface.Invalid.__hash__ # python3
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def __repr__(self): # pragma: no cover
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return '%s(%s)' % (self.__class__.__name__,
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', '.join(repr(arg) for arg in self.args))
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class RequiredMissing(ValidationError):
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__doc__ = _("""Required input is missing.""")
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class WrongType(ValidationError):
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__doc__ = _("""Object is of wrong type.""")
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class TooBig(ValidationError):
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__doc__ = _("""Value is too big""")
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class TooSmall(ValidationError):
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__doc__ = _("""Value is too small""")
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class TooLong(ValidationError):
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__doc__ = _("""Value is too long""")
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class TooShort(ValidationError):
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__doc__ = _("""Value is too short""")
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class InvalidValue(ValidationError):
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__doc__ = _("""Invalid value""")
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class ConstraintNotSatisfied(ValidationError):
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__doc__ = _("""Constraint not satisfied""")
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class NotAContainer(ValidationError):
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__doc__ = _("""Not a container""")
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class NotAnIterator(ValidationError):
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__doc__ = _("""Not an iterator""")
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class IFromUnicode(zope.interface.Interface):
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"""Parse a unicode string to a value
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We will often adapt fields to this interface to support views and
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other applications that need to conver raw data as unicode
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values.
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"""
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def fromUnicode(str):
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"""Convert a unicode string to a value.
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"""
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class IContextAwareDefaultFactory(zope.interface.Interface):
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"""A default factory that requires a context.
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The context is the field context. If the field is not bound, context may
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be ``None``.
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"""
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def __call__(context):
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"""Returns a default value for the field."""
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class NO_VALUE(object):
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def __repr__(self):
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return '<NO_VALUE>'
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NO_VALUE = NO_VALUE()
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