def __init__(self, exc_info=None, **kwargs):
if not kwargs:
if exc_info is None:
exc_info = sys.exc_info()
else:
# This should always be the (type, value, traceback) tuple,
# either from a prior sys.exc_info() call or from some other
# creation...
if len(exc_info) != 3:
raise ValueError("Provided 'exc_info' must contain three"
" elements")
self._exc_info = exc_info
self._exc_type_names = tuple(
reflection.get_all_class_names(exc_info[0], up_to=Exception))
if not self._exc_type_names:
raise TypeError("Invalid exception type '%s' (%s)" %
(exc_info[0], type(exc_info[0])))
self._exception_str = exc.exception_message(self._exc_info[1])
self._traceback_str = ''.join(
traceback.format_tb(self._exc_info[2]))
self._causes = kwargs.pop('causes', None)
else:
self._causes = kwargs.pop('causes', None)
self._exc_info = exc_info
self._exception_str = kwargs.pop('exception_str')
self._exc_type_names = tuple(kwargs.pop('exc_type_names', []))
self._traceback_str = kwargs.pop('traceback_str', None)
if kwargs:
raise TypeError(
'Failure.__init__ got unexpected keyword argument(s): %s' %
', '.join(six.iterkeys(kwargs)))
def __init__(self, exc_info=None, **kwargs):
if not kwargs:
if exc_info is None:
exc_info = sys.exc_info()
else:
# This should always be the (type, value, traceback) tuple,
# either from a prior sys.exc_info() call or from some other
# creation...
if len(exc_info) != 3:
raise ValueError("Provided 'exc_info' must contain three"
" elements")
self._exc_info = exc_info
self._exc_type_names = tuple(
reflection.get_all_class_names(exc_info[0], up_to=Exception))
if not self._exc_type_names:
raise TypeError("Invalid exception type '%s' (%s)"
% (exc_info[0], type(exc_info[0])))
self._exception_str = exc.exception_message(self._exc_info[1])
self._traceback_str = ''.join(
traceback.format_tb(self._exc_info[2]))
else:
self._exc_info = exc_info # may be None
self._exception_str = kwargs.pop('exception_str')
self._exc_type_names = tuple(kwargs.pop('exc_type_names', []))
self._traceback_str = kwargs.pop('traceback_str', None)
if kwargs:
raise TypeError(
'Failure.__init__ got unexpected keyword argument(s): %s'
% ', '.join(six.iterkeys(kwargs)))
def test_std_class_up_to(self):
names = list(reflection.get_all_class_names(RuntimeError,
up_to=Exception))
self.assertEqual(RUNTIME_ERROR_CLASSES[:-2], names)
def test_std_class(self):
names = list(reflection.get_all_class_names(RuntimeError))
self.assertEqual(RUNTIME_ERROR_CLASSES, names)
def test_std_class_up_to(self):
names = list(
reflection.get_all_class_names(RuntimeError, up_to=Exception))
self.assertEqual(RUNTIME_ERROR_CLASSES[:-2], names)
def test_std_class(self):
names = list(reflection.get_all_class_names(RuntimeError))
self.assertEqual(RUNTIME_ERROR_CLASSES, names)
kwargs_func('0', 1, 2, 3, 4, k1=5, k2=6)
class A(object):
pass
class B(A):
pass
class C(B):
pass
for m in [
reflection.get_callable_args, reflection.get_callable_name,
reflection.accepts_kwargs
]:
for n in [args_func, kwargs_func]:
print("%-50s (%-20s): %s" % (reflection.get_callable_name(m),
reflection.get_callable_name(n), m(n)))
print(list(reflection.get_all_class_names(C())))
# Special arguments (like *args and **kwargs) are not included into output.
#print(reflection.get_callable_args(args_func))
#print(reflection.get_callable_args(kwargs_func))
def extract_roots(exc_type):
return to_tuple(
reflection.get_all_class_names(exc_type,
up_to=BaseException,
truncate_builtins=False))
