Mercurial > libervia-backend

annotate src/tools/common/regex.py @ 2243:5e12fc5ae52a

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plugin events: separation of event node and invitees node - event node is handling the main metadata of the event, and invitees node handle the invitations/invitees answers - invitees and blog node are automatically created and associated to the event, except if they are specified (in which cas the existing one are used and attached to the event node) - extra metadata are added to <meta> elements
author Goffi <goffi@goffi.org>
date Fri, 19 May 2017 12:43:41 +0200
parents 2daf7b4c6756
children ad2a8e8b52da
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1934
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1 #!/usr/bin/env python2
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2 # -*- coding: utf-8 -*-
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3
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4 # Salut à Toi: an XMPP client
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5 # Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org)
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6
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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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11
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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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16
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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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19
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20 """ regex tools common to backend and frontends """
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21
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22 import re
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23 path_escape = {'%': '%25', '/': '%2F', '\\': '%5c'}
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24 path_escape_rev = {re.escape(v):k for k, v in path_escape.iteritems()}
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25 path_escape = {re.escape(k):v for k, v in path_escape.iteritems()}
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27
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28 def reJoin(exps):
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29 """Join (OR) various regexes"""
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30 return re.compile('|'.join(exps))
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32
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33 def reSubDict(pattern, repl_dict, string):
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34 """Replace key, value found in dict according to pattern
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35
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36 @param pattern(basestr): pattern using keys found in repl_dict
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37 @repl_dict(dict): keys found in this dict will be replaced by
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38 corresponding values
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39 @param string(basestr): string to use for the replacement
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40 """
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41 return pattern.sub(lambda m: repl_dict[re.escape(m.group(0))], string)
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42
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43 path_escape_re = reJoin(path_escape.keys())
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44 path_escape_rev_re = reJoin(path_escape_rev.keys())
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47 def pathEscape(string):
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48 """Escape string so it can be use in a file path
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50 @param string(basestr): string to escape
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51 @return (str, unicode): escaped string, usable in a file path
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52 """
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53 return reSubDict(path_escape_re, path_escape, string)
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56 def pathUnescape(string):
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57 """Unescape string from value found in file path
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58
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59 @param string(basestr): string found in file path
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60 @return (str, unicode): unescaped string
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61 """
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62 return reSubDict(path_escape_rev_re, path_escape_rev, string)