def main():
parser = argparse.ArgumentParser(description="Caesar cipher solver")
parser.add_argument('ciphertext', type=str, help='text to decipher')
args = parser.parse_args()
# Get every Caesar shift of the ciphertext
shifts = [etao.caesar_shift(args.ciphertext, n) for n in range(26)]
# Score each shift according to English character frequency.
# Get tuples that pair the score with the text.
scored_shifts = [(etao.score_text(shift), shift) for shift in shifts]
# Sort by score, descending order
scored_shifts.sort(reverse=True)
# Print the top 3 results
for result in scored_shifts[0:3]:
print '"%s" (%02d%%)' % (result[1], int(result[0] * 100))
def main():
parser = argparse.ArgumentParser(description="Caesar cipher solver")
parser.add_argument('ciphertext', type=str, help='text to decipher')
args = parser.parse_args()
# Get every Caesar shift of the ciphertext
shifts = [etao.caesar_shift(args.ciphertext, n) for n in range(26)]
# Score each shift according to English character frequency.
# Get tuples that pair the score with the text.
scored_shifts = [(etao.score_text(shift), shift) for shift in shifts]
# Sort by score, descending order
scored_shifts.sort(reverse=True)
# Print the top 3 results
for result in scored_shifts[0:3]:
print '"%s" (%02d%%)' % (result[1], int(result[0] * 100))
def test_shift_text_invalid_type(self):
with self.assertRaises(TypeError):
etao.caesar_shift(123, 0)
def test_shift_with_symbols(self):
self.assertEqual(etao.caesar_shift('A. B!', 2), 'C. D!')
def test_shift_text_max(self):
self.assertEqual(etao.caesar_shift('ABCD', 25), 'ZABC')
def test_shift_text_min(self):
self.assertEqual(etao.caesar_shift('ABCD', 1), 'BCDE')
def test_shift_text_invalid_type(self):
with self.assertRaises(TypeError):
etao.caesar_shift(123, 0)
def test_shift_with_symbols(self):
self.assertEqual(etao.caesar_shift('A. B!', 2), 'C. D!')
def test_shift_text_max(self):
self.assertEqual(etao.caesar_shift('ABCD', 25), 'ZABC')
def test_shift_text_min(self):
self.assertEqual(etao.caesar_shift('ABCD', 1), 'BCDE')
