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/django/contrib/gis/geos/error.py

https://code.google.com/p/mango-py/
Python | 20 lines | 9 code | 2 blank | 9 comment | 0 complexity | 7ddeb276fd7d4800786ee8a14dc8c1ac MD5 | raw file
 1"""
 2 This module houses the GEOS exceptions, specifically, GEOSException and
 3 GEOSGeometryIndexError.
 4"""
 5
 6class GEOSException(Exception):
 7    "The base GEOS exception, indicates a GEOS-related error."
 8    pass
 9
10class GEOSIndexError(GEOSException, KeyError):
11    """
12    This exception is raised when an invalid index is encountered, and has
13    the 'silent_variable_feature' attribute set to true.  This ensures that
14    django's templates proceed to use the next lookup type gracefully when
15    an Exception is raised.  Fixes ticket #4740.
16    """
17    # "If, during the method lookup, a method raises an exception, the exception
18    #  will be propagated, unless the exception has an attribute 
19    #  `silent_variable_failure` whose value is True." -- Django template docs.
20    silent_variable_failure = True