如果代码中涉及raw_input，我无法获得pdb提示符。我附上了示例代码
我正在使用
调试代码python -m pdb python_program.py
输出结尾
from six import print_ as xprint
from six.moves import input
import random
HANGMANPICS = ['''
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=========''', '''
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=========''', '''
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=========''', '''
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=========''', '''
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=========''', '''
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=========''', '''
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=========''']
words = ('ant baboon badger bat bear beaver camel cat clam cobra cougar '
'coyote crow deer dog donkey duck eagle ferret fox frog goat '
'goose hawk lion lizard llama mole monkey moose mouse mule newt '
'otter owl panda parrot pigeon python rabbit ram rat raven '
'rhino salmon seal shark sheep skunk sloth snake spider '
'stork swan tiger toad trout turkey turtle weasel whale wolf '
'wombat zebra ').split()
class Hangman:
def __init__(self, words):
"""Initializes the game state
Selects the secret word for the game by a random choice
from a list of words.
Args:
words (list of strings): List of words to choose from
"""
self._missed_letters = ''
self._correct_letters = ''
self._secret_word = random.choice(words)
self._game_is_done = False
def _display_board(self):
"""Displays the current status of the game that is being played."""
xprint(HANGMANPICS[len(self._missed_letters)])
xprint()
xprint('Missed letters:', end=' ')
for letter in self._missed_letters:
xprint(letter, end=' ')
xprint()
blanks = '_' * len(self._secret_word)
# replace blanks with correctly guessed letters
for i in range(len(self._secret_word)):
if self._secret_word[i] in self._correct_letters:
blanks = blanks[:i] + self._secret_word[i] + blanks[i+1:]
# show the secret word with spaces in between each letter
for letter in blanks:
xprint(letter, end=' ')
xprint()
def _get_guess(self, already_guessed):
"""Gets the input from the user.
Makes sure that the input entered is a letter and
the letter entered is not already guessed by the user.
"""
while True:
xprint('Guess a letter.')
guess = raw_input().lower()
if len(guess) != 1:
xprint('Please enter a single letter.')
elif guess in already_guessed:
xprint('You have already guessed that letter. Choose again.')
elif guess not in 'abcdefghijklmnopqrstuvwxyz':
xprint('Please enter a LETTER.')
else:
return guess
def _check_win(self):
"""Returns True if the user has won, False otherwise.
Checks if the user has correctly guessed the secret word.
"""
for i in range(len(self._secret_word)):
if self._secret_word[i] not in self._correct_letters:
return False
xprint('Yes! The secret word is "{0}"! '
'You have won!'.format(self._secret_word))
return True
def _check_lost(self):
"""Returns True if the user has lost, False otherwise.
Alerts the user if all his chances have been used, without
guessing the secret word.
"""
if len(self._missed_letters) == len(HANGMANPICS) - 1:
self._display_board()
missed = len(self._missed_letters)
correct = len(self._correct_letters)
word = self._secret_word
xprint('You have run out of guesses!')
xprint('After {0} missed guesses and {1} correct guesses, '
'the word was "{2}"'.format(missed, correct, word))
return True
return False
def run(self):
"""Initialises the game play and coordinates the game activities."""
xprint('H A N G M A N')
while not self._game_is_done:
self._display_board()
guessed_letters = self._missed_letters + self._correct_letters
guess = self._get_guess(guessed_letters)
if guess in self._secret_word:
self._correct_letters = self._correct_letters + guess
self._game_is_done = self._check_win()
else:
self._missed_letters = self._missed_letters + guess
self._game_is_done = self._check_lost()
def play_again():
"""Returns True if the player wants to play again, False otherwise."""
xprint('Do you want to play again? (yes or no)')
return raw_input().lower() == 'yes'
def main():
"""Main application entry point."""
current_game = Hangman(words)
while True:
current_game.run()
if play_again():
current_game = Hangman(words)
else:
break
if __name__ == "__main__":
main()
输出（不预期）：
pdb>
H A N G M A N
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=========
Missed letters:
_ _ _ _ _ _
Guess a letter.
Please enter a single letter.
Guess a letter.
a
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=========
Missed letters:
_ _ _ _ a _
Guess a letter.
b
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=========
Missed letters: b
有办法处理此类案件，还是我做错了？
干杯
P.S：代码来自repo。