def test_slices(self):
self.assertEqual(list(slices(self.seq, ':3')),
[['a0', 'a1', 'a2'], ['b0', 'b1', 'b2']])
self.assertEqual(
list(slices(self.seq, ':.3, 5', dialect='dot_notation')),
[['a0', 'a1', 'a4'], ['b0', 'b1', 'b4']])
def test_slices(self):
self.assertEqual(list(slices(self.seq, ':3')),
[['a0', 'a1', 'a2'], ['b0', 'b1', 'b2']])
self.assertEqual(list(slices(self.seq, ':.3, 5',
dialect='dot_notation')), [['a0', 'a1', 'a4'],
['b0', 'b1', 'b4']])
rows = [
['alpha-1', 'alpha-2', 'alpha-3', 'alpha-4', 'alpha-5', 'alpha-6'],
['beta-1', 'beta-2', 'beta-3', 'beta-4', 'beta-5', 'beta-6'],
['gamma-1', 'gamma-2', 'gamma-3', 'gamma-4', 'gamma-5', 'gamma-6'],
]
dialect = True
while dialect:
print(Grammar().list_dialects())
dialect = input('\nEnter dialect? ')
if dialect and dialect in Grammar().get_dialects():
columns = True
while columns:
print()
columns = input('\nSelect columns? ')
if columns:
try:
# main workhorse function
rows = slices(rows, columns, dialect)
for row in rows:
print(row)
except InvalidSliceString as error:
print('InvalidSliceString: {}'.format(error))
except EndPointZeroNotAllowedError as error:
print('EndPointValueError: {}'.format(error))