Mercurial > libervia-backend

annotate src/tools/common/regex.py @ 2223:c6c9a97ffebf

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
plugin invitations: fixed url_template check
author Goffi <goffi@goffi.org>
date Sun, 16 Apr 2017 17:57:40 +0200
parents 2daf7b4c6756
children ad2a8e8b52da
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1934
2daf7b4c6756 use of /usr/bin/env instead of /usr/bin/python in shebang
Goffi <goffi@goffi.org>
parents: 1920
diff changeset
1 #!/usr/bin/env python2
1920
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
2 # -*- coding: utf-8 -*-
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
3
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
4 # Salut à Toi: an XMPP client
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
5 # Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org)
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
6
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
7 # This program is free software: you can redistribute it and/or modify
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
8 # it under the terms of the GNU Affero General Public License as published by
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
9 # the Free Software Foundation, either version 3 of the License, or
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
10 # (at your option) any later version.
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
11
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
12 # This program is distributed in the hope that it will be useful,
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
15 # GNU Affero General Public License for more details.
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
16
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
17 # You should have received a copy of the GNU Affero General Public License
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
19
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
20 """ regex tools common to backend and frontends """
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
21
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
22 import re
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
23 path_escape = {'%': '%25', '/': '%2F', '\\': '%5c'}
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
24 path_escape_rev = {re.escape(v):k for k, v in path_escape.iteritems()}
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
25 path_escape = {re.escape(k):v for k, v in path_escape.iteritems()}
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
26
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
27
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
28 def reJoin(exps):
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
29 """Join (OR) various regexes"""
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
30 return re.compile('|'.join(exps))
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
31
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
32
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
33 def reSubDict(pattern, repl_dict, string):
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
34 """Replace key, value found in dict according to pattern
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
35
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
36 @param pattern(basestr): pattern using keys found in repl_dict
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
37 @repl_dict(dict): keys found in this dict will be replaced by
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
38 corresponding values
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
39 @param string(basestr): string to use for the replacement
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
40 """
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
41 return pattern.sub(lambda m: repl_dict[re.escape(m.group(0))], string)
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
42
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
43 path_escape_re = reJoin(path_escape.keys())
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
44 path_escape_rev_re = reJoin(path_escape_rev.keys())
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
45
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
46
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
47 def pathEscape(string):
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
48 """Escape string so it can be use in a file path
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
49
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
50 @param string(basestr): string to escape
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
51 @return (str, unicode): escaped string, usable in a file path
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
52 """
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
53 return reSubDict(path_escape_re, path_escape, string)
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
54
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
55
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
56 def pathUnescape(string):
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
57 """Unescape string from value found in file path
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
58
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
59 @param string(basestr): string found in file path
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
60 @return (str, unicode): unescaped string
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
61 """
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
62 return reSubDict(path_escape_rev_re, path_escape_rev, string)