/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. 

  2.  This module houses the GEOS exceptions, specifically, GEOSException and
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  3.  GEOSGeometryIndexError.
    4. 

  4. """
    5. 

    6. 

  6. class GEOSException(Exception):
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  7.     "The base GEOS exception, indicates a GEOS-related error."
    8. 

  8.     pass
    9. 

  9. 

  10. class GEOSIndexError(GEOSException, KeyError):
    11. 

  11.     """
    12. 

  12.     This exception is raised when an invalid index is encountered, and has
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  13.     the 'silent_variable_feature' attribute set to true.  This ensures that
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  14.     django's templates proceed to use the next lookup type gracefully when
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  15.     an Exception is raised.  Fixes ticket #4740.
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  16.     """
    17. 

  17.     # "If, during the method lookup, a method raises an exception, the exception
    18. 

  18.     #  will be propagated, unless the exception has an attribute 
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  19.     #  `silent_variable_failure` whose value is True." -- Django template docs.
    20. 

  20.     silent_variable_failure = True
    21.