Mercurial > libervia-backend

annotate sat/tools/common/regex.py @ 2606:6a261b725f71

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
misc (README): added sat_templates installation for Xavier Maillard contributions + removed non contributions related sentences: non contributions related sentences were not presents for everybody, and not really giving informations.
author Goffi <goffi@goffi.org>
date Sat, 02 Jun 2018 17:29:55 +0200
parents 26edcf3a30eb
children 56f94936df1e
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
2483
0046283a285d dates update
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
5 # Copyright (C) 2009-2018 Jérôme Poisson (goffi@goffi.org)
1920
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()}
2297
ad2a8e8b52da core (tools/common/regex): new ansiRemove method to remove ANSI escape codes from a string
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
26 # thanks to Martijn Pieters (https://stackoverflow.com/a/14693789)
ad2a8e8b52da core (tools/common/regex): new ansiRemove method to remove ANSI escape codes from a string
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
27 RE_ANSI_REMOVE = re.compile(r'\x1b[^m]*m')
1920
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
28
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
29
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
30 def reJoin(exps):
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
31 """Join (OR) various regexes"""
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
32 return re.compile('|'.join(exps))
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
33
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
34
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
35 def reSubDict(pattern, repl_dict, string):
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
36 """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
37
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
38 @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
39 @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
40 corresponding values
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
41 @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
42 """
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
43 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
44
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
45 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
46 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
47
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
48
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
49 def pathEscape(string):
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
50 """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
51
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
52 @param string(basestr): string to escape
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
53 @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
54 """
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
55 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
56
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
57
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
58 def pathUnescape(string):
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
59 """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
60
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
61 @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
62 @return (str, unicode): unescaped string
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
63 """
03526c8abeb0 tools (common): added regex module with path (un)escaping methods
Goffi <goffi@goffi.org>
parents:
diff changeset
64 return reSubDict(path_escape_rev_re, path_escape_rev, string)
2297
ad2a8e8b52da core (tools/common/regex): new ansiRemove method to remove ANSI escape codes from a string
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
65
ad2a8e8b52da core (tools/common/regex): new ansiRemove method to remove ANSI escape codes from a string
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
66 def ansiRemove(string):
ad2a8e8b52da core (tools/common/regex): new ansiRemove method to remove ANSI escape codes from a string
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
67 """Remove ANSI escape codes from string
ad2a8e8b52da core (tools/common/regex): new ansiRemove method to remove ANSI escape codes from a string
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
68
ad2a8e8b52da core (tools/common/regex): new ansiRemove method to remove ANSI escape codes from a string
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
69 @param string(basestr): string to filter
ad2a8e8b52da core (tools/common/regex): new ansiRemove method to remove ANSI escape codes from a string
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
70 @return (str, unicode): string without ANSI escape codes
ad2a8e8b52da core (tools/common/regex): new ansiRemove method to remove ANSI escape codes from a string
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
71 """
ad2a8e8b52da core (tools/common/regex): new ansiRemove method to remove ANSI escape codes from a string
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
72 return RE_ANSI_REMOVE.sub('', string)