Ejemplo n.º 1
0
 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']])
Ejemplo n.º 2
0
 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']])
Ejemplo n.º 3
0
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))