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59 lines
1.9 KiB
59 lines
1.9 KiB
13 years ago
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# -*- coding: utf-8 -*-
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# Copyright (C) 2011 Niels Thykier <niels@thykier.net>
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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import readline
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import bisect
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class Completer:
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"""Completer class
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This class provides a readline completer for the britney hint-tester
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command-line interface.
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"""
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def __init__(self, britney):
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"""Constructor
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Creates a completer for a given britney.
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"""
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self.matches = []
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self.cmds = ['easy', 'hint', 'force-hint', 'exit', 'quit']
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self.britney = britney
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self.packages = sorted(britney.generate_package_list())
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def completer(self, text, state):
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"""readline completer (see the readline API)"""
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origline = readline.get_line_buffer()
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words = origline.split()
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if state < 1:
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self.matches = []
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if len(words) < 1 or words[0] == text:
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# complete a command
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self.matches = [x for x in self.cmds if x.startswith(text)]
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else:
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# complete pkg/[arch/]version
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start = bisect.bisect_left(self.packages, text)
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while start < len(self.packages):
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if not self.packages[start].startswith(text):
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break
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self.matches.append(self.packages[start])
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start += 1
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if len(self.matches) > state:
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return self.matches[state]
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return None
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