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    <p>I guess you will need to get a key pressed by the user.</p> <p>You can achieve it (without pressing enter) with a method like this:</p> <pre class="lang-py prettyprint-override"><code>import termios, os, sys def getkey(): fd = sys.stdin.fileno() old = termios.tcgetattr(fd) new = termios.tcgetattr(fd) new[3] = new[3] &amp; ~termios.ICANON &amp; ~termios.ECHO new[6][termios.VMIN] = 1 new[6][termios.VTIME] = 0 termios.tcsetattr(fd, termios.TCSANOW, new) c = None try: c = os.read(fd, 1) finally: termios.tcsetattr(fd, termios.TCSAFLUSH, old) return c </code></pre> <p>Then, if this key is a tab key (for example, that's something you need to implement), then display all possibilities to user. If that's any other key, print it on stdout.</p> <p>Oh, of course you will need to have getkey() looped in a while, as long as the user hits enter. You can also get a method like raw_input, that will get the whole word sign by sign, or display all the possibilities, when you hit a tab.</p> <p>At least that's the item, you can start with. If you achieve any other problems, than write about them.</p> <p>EDIT 1:</p> <p>The get_word method can look like this:</p> <pre class="lang-py prettyprint-override"><code>def get_word(): s = "" while True: a = getkey() if a == "\n": break elif a == "\t": print "all possibilities" else: s += a return s word = get_word() print word </code></pre> <p>The issue I'm occuring right now is the way to display a sign, you have just entered without any enteres and spaces, what both <code>print a</code> and <code>print a,</code> does.</p>
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    1. POHow to code autocompletion in python?
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    1. COTo display the suggestions, you could then use the [curses](http://docs.python.org/library/curses.html) module to be able to mimic `vi`'s way of displaying the suggestions.
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    2. COOh, didn't hear about this one before. Looks interesting, thanks :)
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    3. CO@Gandi thank you. There is only the core part missing `incremental matching` and `showing hints while typing`
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