def test_keyerror_and_index_error(self):
with suppress(KeyError):
my_dict = {'key': 'value'}
my_dict[4]
self.assertEqual(my_dict, {'key': 'value'})
with suppress(IndexError):
my_list = ['item']
my_list[1]
self.assertEqual(my_list, ['item'])
def test_suppresses_parent_exceptions(self):
with suppress(LookupError):
my_dict = {'key': 'value'}
my_dict[4]
self.assertEqual(my_dict, {'key': 'value'})
with suppress(LookupError):
my_list = ['item']
my_list[1]
self.assertEqual(my_list, ['item'])
def test_suppresses_parent_exceptions(self):
with suppress(LookupError):
my_dict = {"key": "value"}
my_dict[4]
self.assertEqual(my_dict, {"key": "value"})
with suppress(LookupError):
my_list = ["item"]
my_list[1]
self.assertEqual(my_list, ["item"])
def test_keyerror_and_index_error(self):
with suppress(KeyError):
my_dict = {"key": "value"}
my_dict[4]
self.assertEqual(my_dict, {"key": "value"})
with suppress(IndexError):
my_list = ["item"]
my_list[1]
self.assertEqual(my_list, ["item"])
def test_catches_any_number_of_exceptions(self):
with suppress(ValueError, TypeError):
int('hello')
with suppress(IndexError, TypeError):
int(None)
with self.assertRaises(KeyError):
with suppress(IndexError, TypeError):
{0: 1}[1]
with suppress(ValueError, SystemError, IndexError, TypeError):
['item'][1]
def test_does_not_suppress_other_exceptions(self):
with self.assertRaises(KeyError):
with suppress(IndexError):
my_dict = {'key': 'value'}
my_dict[4]
self.assertEqual(my_dict, {'key': 'value'})
with self.assertRaises(IndexError):
with suppress(KeyError):
my_list = ['item']
my_list[1]
self.assertEqual(my_list, ['item'])
def test_suppress_specific_exception(self):
with suppress(ValueError):
x = 1
int('hello')
x = 2
self.assertEqual(x, 1)
with suppress(TypeError):
x = 3
int(None)
x = 4
self.assertEqual(x, 3)
def test_does_not_suppress_other_exceptions(self):
with self.assertRaises(KeyError):
with suppress(IndexError):
my_dict = {"key": "value"}
my_dict[4]
self.assertEqual(my_dict, {"key": "value"})
with self.assertRaises(IndexError):
with suppress(KeyError):
my_list = ["item"]
my_list[1]
self.assertEqual(my_list, ["item"])
from suppress import suppress
with suppress(KeyError, TypeError):
a = 5
def test_allows_exception_to_be_viewed(self):
with suppress(LookupError) as suppressed:
my_dict = {'key': 'value'}
my_dict[4]
self.assertEqual(type(suppressed.exception), KeyError)
self.assertEqual(type(suppressed.traceback), TracebackType)
def test_works_when_no_exception_raised(self):
with suppress(Exception):
x = 4
self.assertEqual(x, 4)
states = splitLen
sData = markov_anneal.splitActivityMax(oData.cd[0:50000], splitLen)
scores = [0, 0]
entropys = [0, 0]
for i in range(2, 26):
print "Models:" + str(i)
bestScore = -1
bestModels = []
bestData = []
bestOut = []
for j in range(2):
suppress.suppress(2)
bm, bd, out = markov_anneal.train(sData, i, states, obs, \
iterations = 9, outliers = False, voidOutput = False)
suppress.restore(2)
mea = markov_anneal.modelErrorAverage(bm, bd, obs)
entropy = markov_anneal.assignedDataEntropy(bd, out)
score = (2**(sum(mea)/(len(mea) * 1.0)))*entropy
if bestScore == -1 or score < bestScore:
bestScore = score
bestEnt = entropy
print " best score:" + str(bestScore) + " best entropy:" + str(bestEnt)
scores.append(bestScore)
entropys.append(bestEnt)
states = splitLen
sData = markov_anneal.splitActivityMax(oData.cd[0:50000], splitLen)
scores = [0, 0]
entropys = [0, 0]
for i in range(2, 26):
print "Models:" + str(i)
bestScore = -1
bestModels = []
bestData = []
bestOut = []
for j in range(2):
suppress.suppress(2)
bm, bd, out = markov_anneal.train(sData, i, states, obs, \
iterations = 9, outliers = False, voidOutput = False)
suppress.restore(2)
mea = markov_anneal.modelErrorAverage(bm, bd, obs)
entropy = markov_anneal.assignedDataEntropy(bd, out)
score = (2**(sum(mea) / (len(mea) * 1.0))) * entropy
if bestScore == -1 or score < bestScore:
bestScore = score
bestEnt = entropy
print " best score:" + str(bestScore) + " best entropy:" + str(
bestEnt)
scores.append(bestScore)
entropys.append(bestEnt)