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POAutocomplete with readline in python3
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copied!<p>I'm trying to use this nifty trick <a href="https://stackoverflow.com/questions/7821661/how-to-code-autocompletion-in-python">here</a> to work with a csv file. I can't seem to get autocomplete working in python3 though. I don't know where to begin with readline. The documentation was a little dense. My guess is that I'm missing something without <code>raw_input()</code> from Python 2.</p> <p>I've pasted my attempt below. When I'm in the shell and I hit tab, I just get big tabs and no autocomplete action. My intention is that the input statement below auto-completes on the strings <code>['10/10/2013', '10/13/2013', '10/14/2013', '10/15/2013']</code>.</p> <p>What am I missing?</p> <pre><code>import readline class MyCompleter(object): # Custom completer def __init__(self, options): self.options = sorted(options) def complete(self, text, state): if state == 0: # on first trigger, build possible matches if text: # cache matches (entries that start with entered text) self.matches = [s for s in self.options if s and s.startswith(text)] else: # no text entered, all matches possible self.matches = self.options[:] # return match indexed by state try: return self.matches[state] except IndexError: return None dates = [ '10/10/2013 13:03:51', '10/10/2013 13:54:32', '10/10/2013 18:48:48', '10/10/2013 19:13:00', '10/13/2013 12:58:17', '10/13/2013 13:38:15', '10/13/2013 16:48:58', '10/13/2013 17:23:59', '10/13/2013 20:09:56', '10/13/2013 21:54:14', '10/13/2013 21:57:43', '10/13/2013 22:47:40', '10/14/2013 13:32:53', '10/14/2013 21:14:51', '10/15/2013 10:18:23' ] dates = [x.split(' ')[0] for x in dates] completer = MyCompleter(list(set(dates))) readline.set_completer(completer.complete) readline.parse_and_bind('tab: complete') date = input('Enter a date in m/d/yy format\n\t') </code></pre> <p>Update: Nice answer below, but still broken for me on OS X. I don't even know where to begin troubleshooting that. I get autocomplete with this on Ubuntu, but it's not binding to <code>tab</code> on my OS X system somehow.</p>

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