app/django/contrib/gis/geos/error.py
author Sverre Rabbelier <sverre@rabbelier.nl>
Mon, 07 Sep 2009 20:27:37 +0200
changeset 2878 cf4b80992451
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permissions -rw-r--r--
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"""
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 This module houses the GEOS exceptions, specifically, GEOSException and
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 GEOSGeometryIndexError.
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"""
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class GEOSException(Exception):
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    "The base GEOS exception, indicates a GEOS-related error."
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    pass
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class GEOSIndexError(GEOSException, KeyError):
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    """
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    This exception is raised when an invalid index is encountered, and has
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    the 'silent_variable_feature' attribute set to true.  This ensures that
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    django's templates proceed to use the next lookup type gracefully when
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    an Exception is raised.  Fixes ticket #4740.
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    """
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    # "If, during the method lookup, a method raises an exception, the exception
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    #  will be propagated, unless the exception has an attribute 
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    #  `silent_variable_failure` whose value is True." -- Django template docs.
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    silent_variable_failure = True