Python用户输入重播

Python user input replay

本问题已经有最佳答案，请猛点这里访问。

我怎样才能获得最后的raw_input？我的py询问问题(raw_input)，如果用户类型错误再次询问相同，并且用户需要再次输入，那么如何让最后一个输入让de用户只需编辑它？(就像一个shell按下键盘)

您正在寻找readline模块。这是effbot.org的一个例子：

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# File: readline-example-2.py

class Completer:
def __init__(self, words):
self.words = words
self.prefix = None
def complete(self, prefix, index):
if prefix != self.prefix:
# we have a new prefix!
# find all words that start with this prefix
self.matching_words = [
w for w in self.words if w.startswith(prefix)
]
self.prefix = prefix
try:
return self.matching_words[index]
except IndexError:
return None

import readline

# a set of more or less interesting words
words ="perl","pyjamas","python","pythagoras"

completer = Completer(words)

readline.parse_and_bind("tab: complete")
readline.set_completer(completer.complete)

# try it out!
while 1:
print repr(raw_input(">>>"))