app/django/contrib/gis/geos/error.py
author Lennard de Rijk <ljvderijk@gmail.com>
Thu, 06 Aug 2009 10:48:44 +0200
changeset 2734 f35f6f05c8c4
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Added and enabled new access check for viewing ProjectSurvey records. Org Admins, project Mentors and project Students are now allowed to see their own ProjectSurveyRecords. Note however that Students and Mentors have no interface yet to find the whereabouts of their records. Fixes Issue 659.

"""
 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