def _errordetails(self, exception_class, default=xmlrpc.XMLRPC.FAILURE):
"""
Returns an error code for a given exception by looking it up in the
sibling module called 'constants' using the uppercased class name as
identifier.
Example: the exception::
smac.api.errors.UnknownMimetype
causes the following lookup::
smac.api.constants.UNKNOWN_MIMETYPE # Error code
smac.api.constants.UNKNOWN_MIMETYPE_MSG # Error message
A value of default is retuned in no definition is found.
"""
const_name = text.camelcase_to_uppercase(exception_class.__name__)
module_name = exception_class.__module__.replace('ttypes', 'constants')
__import__(module_name)
errno = getattr(sys.modules[module_name], const_name, default)
errmsg = getattr(sys.modules[module_name], const_name + '_MSG', "")
return errno, errmsg
def test_camelcase_to_uppercase(self):
for key, value in self.VALUES:
self.assertEqual(value.upper(), camelcase_to_uppercase(key))