Viewing file:  errors.py (1.29 KB) -rw-r--r--
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# -*- test-case-name: nevow.test -*-
"""
Exception classes raised by Nevow.
"""
class RenderError(Exception):
"""
Base exception class for all errors which can occur during rendering.
"""
class MissingRenderMethod(RenderError):
"""
Tried to use a render method which does not exist.
@ivar element: The element which did not have the render method.
@ivar renderName: The name of the renderer which could not be found.
"""
def __init__(self, element, renderName):
RenderError.__init__(self, element, renderName)
self.element = element
self.renderName = renderName
def __repr__(self):
return '%r: %r had no renderer named %r' % (self.__class__.__name__,
self.element,
self.renderName)
class MissingDocumentFactory(RenderError):
"""
Tried to render an Element without a docFactory.
@ivar element: The Element which did not have a document factory.
"""
def __init__(self, element):
RenderError.__init__(self, element)
self.element = element
def __repr__(self):
return '%r: %r had no docFactory' % (self.__class__.__name__,
self.element)
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