Mercurial > hg
view mercurial/thirdparty/zope/interface/exceptions.py @ 37179:49630e75635d
thirdparty: allow zope.interface.advice to be lazily imported
The symbol from this module is only used in functions. Let's access
that symbol through its imported module so importing
zope.interface.advice can be lazy.
Differential Revision: https://phab.mercurial-scm.org/D2931
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Wed, 21 Mar 2018 18:13:40 -0700 |
parents | 68ee61822182 |
children |
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############################################################################## # # Copyright (c) 2002 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. # ############################################################################## """Interface-specific exceptions """ from __future__ import absolute_import class Invalid(Exception): """A specification is violated """ class DoesNotImplement(Invalid): """ This object does not implement """ def __init__(self, interface): self.interface = interface def __str__(self): return """An object does not implement interface %(interface)s """ % self.__dict__ class BrokenImplementation(Invalid): """An attribute is not completely implemented. """ def __init__(self, interface, name): self.interface=interface self.name=name def __str__(self): return """An object has failed to implement interface %(interface)s The %(name)s attribute was not provided. """ % self.__dict__ class BrokenMethodImplementation(Invalid): """An method is not completely implemented. """ def __init__(self, method, mess): self.method=method self.mess=mess def __str__(self): return """The implementation of %(method)s violates its contract because %(mess)s. """ % self.__dict__ class InvalidInterface(Exception): """The interface has invalid contents """ class BadImplements(TypeError): """An implementation assertion is invalid because it doesn't contain an interface or a sequence of valid implementation assertions. """