app/django/contrib/gis/geos/error.py
author Daniel Bentley <dbentley@google.com>
Wed, 15 Apr 2009 08:01:17 +0000
changeset 2184 a1bda9afa5d0
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Step 2 of moving to new seeding model. Create Seeder class, which abstracts some seeding. Move user to Seeder class, and make new OrganizationSeeder class. If people like this, I'll finish the rest soon. Patch by: Dan Bentley
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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