app/django/contrib/gis/geos/error.py
author Pawel Solyga <Pawel.Solyga@gmail.com>
Fri, 27 Mar 2009 14:19:16 +0000
changeset 2022 3d84ec6dbd03
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Fix Issue 381(Date fields should be displayed in ISO standard formatting) and Issue 207 (Date selector Javascript control always starts out with year 1900 selected). Patch by: Daniel Hans Reviewed by: Pawel Solyga

"""
 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