def main():
""" () -> NoneType
Perform the encryption using the deck from file named DECK_FILENAME and
the message from file named MSG_FILENAME. If MODE is 'e', encrypt;
otherwise, decrypt.
"""
prompt = 'Enter the name of the file that contains the card deck: '
deck_file = open(get_valid_filename(prompt), 'r')
deck = cipher_functions.read_deck(deck_file)
deck_file.close()
if not (cipher_functions.is_valid_deck(deck)):
print('The supplied card deck is not a valid deck.')
print('Encryption process stopping.')
return
prompt = 'Enter the name of the file that contains the message: '
msg_file = open(get_valid_filename(prompt), 'r')
messages = cipher_functions.read_messages(msg_file)
msg_file.close()
mode = get_encryption_mode()
for msg in cipher_functions.process_messages(deck, messages, mode):
print(msg)
def main():
""" () -> NoneType
Perform the encryption using the deck from file named DECK_FILENAME and
the message from file named MSG_FILENAME. If MODE is 'e', encrypt;
otherwise, decrypt.
"""
prompt = 'Enter the name of the file that contains the card deck: '
deck_file = open(get_valid_filename(prompt), 'r')
deck = cipher_functions.read_deck(deck_file)
deck_file.close()
if not (cipher_functions.is_valid_deck(deck)):
print('The supplied card deck is not a valid deck.')
print('Encryption process stopping.')
return
prompt = 'Enter the name of the file that contains the message: '
msg_file = open(get_valid_filename(prompt), 'r')
messages = cipher_functions.read_messages(msg_file)
msg_file.close()
mode = get_encryption_mode()
for msg in cipher_functions.process_messages(deck, messages, mode):
print(msg)
.format(type(item))
# Type check cipher_functions.read_messages
result = cipher_functions.read_messages(open('secret1.txt'))
assert isinstance(result, list), \
'''read_messages should return a list, but returned {0}''' \
.format(type(result))
for item in result:
assert isinstance(item, str), \
'''read_messages should return a list of str, but returned a list of {0}'''\
.format(type(item))
# Type check cipher_functions.is_valid_deck
result = cipher_functions.is_valid_deck([1, 2, 3])
assert isinstance(result, bool), \
'''is_valid_deck should return a bool, but returned {0}''' \
.format(type(result))
# Type check cipher_functions.read_deck
result = cipher_functions.read_deck(open('deck1.txt'))
assert isinstance(result, list), \
'''read_deck should return a list, but returned {0}''' \
.format(type(result))
for item in result:
assert isinstance(item, int), \
'''read_deck should return a list of int, but returned a list of {0}'''\
.format(type(item))
assert isinstance(item, str), \
'''process_messages should return a list of str, but returned a list of {0}'''\
.format(type(item))
# Type check cipher_functions.read_messages
result = cipher_functions.read_messages(open('secret_message.txt'))
assert isinstance(result, list), \
'''read_messages should return a list, but returned {0}''' \
.format(type(result))
for item in result:
assert isinstance(item, str), \
'''read_messages should return a list of str, but returned a list of {0}'''\
.format(type(item))
# Type check cipher_functions.is_valid_deck
result = cipher_functions.is_valid_deck([1, 2, 3])
assert isinstance(result, bool), \
'''is_valid_deck should return a bool, but returned {0}''' \
.format(type(result))
# Type check cipher_functions.read_deck
result = cipher_functions.read_deck(open('card_deck.txt'))
assert isinstance(result, list), \
'''read_deck should return a list, but returned {0}''' \
.format(type(result))
for item in result:
assert isinstance(item, int), \
'''read_deck should return a list of int, but returned a list of {0}'''\
.format(type(item))
our_print("""
print("got:", x12b)
print("expected:", 11)
deck1 = [6, 2, 3, 4, 1, 5]
deck2 = [6, 2, 3, 4, 1, 5]
x13a = cipher_functions.process_messages(deck1, ['ABC'], 'e')
x13b = cipher_functions.process_messages(deck2, ['DCD'], 'd')
if x13a == ['DCD'] and x13b == ['ABC']:
print("process_messages:", True)
else:
print("process_messages:", False)
print("got:", x13a)
print("expected:", ['DCD'])
print("got:", x13b)
print("expected:", ['ABC'])
deck1 = [1, 4, 7, 10, 13, 16, 19, 22, 25, 28, 3, 6, \
9, 12, 15, 18, 21, 24, 27, 2, 5, 8, 11, 14, 17, 20, 23, 26]
deck2 = [1, 4, 7, 10, 13, 16, 19, 22, 25, 28, 3, 6, \
9, 12, 15, 18, 21, 24, 27, 2, 5, 8, 11, 14, 17, 20, 23, 29]
x14a = cipher_functions.is_valid_deck(deck1)
x14b = cipher_functions.is_valid_deck(deck2)
if x14a == True and x14b == False:
print("is_valid_deck:", True)
else:
print("is_valid_deck:", False)
print("got:", x14a)
print("expected:", True)
print("got:", x14b)
print("expected:", False)
