view src/tools/utils.py @ 1319:781ee3539252 frontends_multi_profiles

quick frontends(quick app): add a listeners (observer/observable) mechanism to call a callback when a event happen. Implemented an "avatar" event.
author Goffi <goffi@goffi.org>
date Mon, 09 Feb 2015 21:39:51 +0100
parents 1a759096ccbd
children 3a20312d4012
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#!/usr/bin/python
# -*- coding: utf-8 -*-

# SAT: a jabber client
# Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Jérôme Poisson (goffi@goffi.org)

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.

# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

""" various useful methods """

import unicodedata


def clean_ustr(ustr):
    """Clean unicode string
    remove special characters from unicode string"""
    def valid_chars(unicode_source):
        for char in unicode_source:
            if unicodedata.category(char) == 'Cc' and char!='\n':
                continue
            yield char
    return ''.join(valid_chars(ustr))