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annotate src/tools/utils.py @ 806:5d6c45d6ee1b

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core: added "one_shot" option to registered callback: when this keyword is used, the callback is automatically removed once it has been called.
author Goffi <goffi@goffi.org>
date Tue, 04 Feb 2014 18:24:27 +0100
parents 84a6e83157c2
children 1fe00f0c9a91
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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4 # SAT: a jabber client
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5 # Copyright (C) 2009, 2010, 2011, 2012, 2013 Jérôme Poisson (goffi@goffi.org)
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 """ various useful methods """
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22 import unicodedata
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25 def clean_ustr(ustr):
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26 """Clean unicode string
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27 remove special characters from unicode string"""
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28 def valid_chars(unicode_source):
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29 for char in unicode_source:
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30 if unicodedata.category(char) == 'Cc' and char!='\n':
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31 continue
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32 yield char
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33 return ''.join(valid_chars(ustr))
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