app/django/contrib/gis/geos/error.py
author Sverre Rabbelier <srabbelier@gmail.com>
Mon, 10 Nov 2008 00:42:41 +0000
changeset 461 fca6a8b5ae34
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Partially use the new user code The 'edit self' is not working fully yet, the 'lookup' code is not working at all, as such, only 'create', 'edit', 'list', and 'delete' make use of the generic code.

"""
 This module houses the GEOS exceptions, specifically, GEOSException and
 GEOSGeometryIndexError.
"""

class GEOSException(Exception):
    "The base GEOS exception, indicates a GEOS-related error."
    pass

class GEOSIndexError(GEOSException, KeyError):
    """
    This exception is raised when an invalid index is encountered, and has
    the 'silent_variable_feature' attribute set to true.  This ensures that
    django's templates proceed to use the next lookup type gracefully when
    an Exception is raised.  Fixes ticket #4740.
    """
    # "If, during the method lookup, a method raises an exception, the exception
    #  will be propagated, unless the exception has an attribute 
    #  `silent_variable_failure` whose value is True." -- Django template docs.
    silent_variable_failure = True