Mercurial > libervia-backend

annotate frontends/src/tools/strings.py @ 2389:5675af905725

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
plugin XEP-0060: added createIfNewNode method which doesn't fail in case of conflict.
author Goffi <goffi@goffi.org>
date Fri, 20 Oct 2017 08:44:09 +0200
parents 2c31ddf633e5
children
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: 1879
diff changeset
1 #!/usr/bin/env python2
690
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
2 # -*- coding: utf-8 -*-
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
3
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
4 # SAT helpers methods for plugins
1766
d17772b0fe22 copyright update
Goffi <goffi@goffi.org>
parents: 1396
diff changeset
5 # Copyright (C) 2013-2016 Adrien Cossa (souliane@mailoo.org)
690
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
6
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
7 # This program is free software: you can redistribute it and/or modify
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
8 # it under the terms of the GNU Affero General Public License as published by
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
9 # the Free Software Foundation, either version 3 of the License, or
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
10 # (at your option) any later version.
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
11
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
12 # This program is distributed in the hope that it will be useful,
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
15 # GNU Affero General Public License for more details.
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
16
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
17 # You should have received a copy of the GNU Affero General Public License
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
19
769
8b6137f7b4e1 tools: addURLToText moved from libervia to sat_frontends/tools/strings
souliane <souliane@mailoo.org>
parents: 719
diff changeset
20 import re
8b6137f7b4e1 tools: addURLToText moved from libervia to sat_frontends/tools/strings
souliane <souliane@mailoo.org>
parents: 719
diff changeset
21
2107
2c31ddf633e5 frontends(tools/strings): put URL regex outside of getURLParams and precompile it
Goffi <goffi@goffi.org>
parents: 1935
diff changeset
22 # Regexp from http://daringfireball.net/2010/07/improved_regex_for_matching_urls
2c31ddf633e5 frontends(tools/strings): put URL regex outside of getURLParams and precompile it
Goffi <goffi@goffi.org>
parents: 1935
diff changeset
23 RE_URL = re.compile(r"""(?i)\b((?:[a-z]{3,}://|(www|ftp)\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}/|mailto:|xmpp:)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?]))""")
2c31ddf633e5 frontends(tools/strings): put URL regex outside of getURLParams and precompile it
Goffi <goffi@goffi.org>
parents: 1935
diff changeset
24
2c31ddf633e5 frontends(tools/strings): put URL regex outside of getURLParams and precompile it
Goffi <goffi@goffi.org>
parents: 1935
diff changeset
25
2c31ddf633e5 frontends(tools/strings): put URL regex outside of getURLParams and precompile it
Goffi <goffi@goffi.org>
parents: 1935
diff changeset
26 # TODO: merge this class with an other module or at least rename it (strings is not a good name)
2c31ddf633e5 frontends(tools/strings): put URL regex outside of getURLParams and precompile it
Goffi <goffi@goffi.org>
parents: 1935
diff changeset
27
690
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
28
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
29 def getURLParams(url):
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
30 """This comes from pyjamas.Location.makeUrlDict with a small change
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
31 to also parse full URLs, and parameters with no value specified
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
32 (in that case the default value "" is used).
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
33 @param url: any URL with or without parameters
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
34 @return: a dictionary of the parameters, if any was given, or {}
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
35 """
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
36 dict_ = {}
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
37 if "/" in url:
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
38 # keep the part after the last "/"
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
39 url = url[url.rindex("/") + 1:]
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
40 if url.startswith("?"):
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
41 # remove the first "?"
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
42 url = url[1:]
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
43 pairs = url.split("&")
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
44 for pair in pairs:
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
45 if len(pair) < 3:
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
46 continue
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
47 kv = pair.split("=", 1)
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
48 dict_[kv[0]] = kv[1] if len(kv) > 1 else ""
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
49 return dict_
d8e7a58eaa00 misc: added a file for frontend's string operations:
souliane <souliane@mailoo.org>
parents:
diff changeset
50
769
8b6137f7b4e1 tools: addURLToText moved from libervia to sat_frontends/tools/strings
souliane <souliane@mailoo.org>
parents: 719
diff changeset
51
1790
bf7e468fe440 tools (strings): add a parameter "new_target" to addURLToText
souliane <souliane@mailoo.org>
parents: 1766
diff changeset
52 def addURLToText(string, new_target=True):
bf7e468fe440 tools (strings): add a parameter "new_target" to addURLToText
souliane <souliane@mailoo.org>
parents: 1766
diff changeset
53 """Check a text for what looks like an URL and make it clickable.
769
8b6137f7b4e1 tools: addURLToText moved from libervia to sat_frontends/tools/strings
souliane <souliane@mailoo.org>
parents: 719
diff changeset
54
1790
bf7e468fe440 tools (strings): add a parameter "new_target" to addURLToText
souliane <souliane@mailoo.org>
parents: 1766
diff changeset
55 @param string (unicode): text to process
bf7e468fe440 tools (strings): add a parameter "new_target" to addURLToText
souliane <souliane@mailoo.org>
parents: 1766
diff changeset
56 @param new_target (bool): if True, make the link open in a new window
bf7e468fe440 tools (strings): add a parameter "new_target" to addURLToText
souliane <souliane@mailoo.org>
parents: 1766
diff changeset
57 """
bf7e468fe440 tools (strings): add a parameter "new_target" to addURLToText
souliane <souliane@mailoo.org>
parents: 1766
diff changeset
58 # XXX: report any change to libervia.browser.strings.addURLToText
769
8b6137f7b4e1 tools: addURLToText moved from libervia to sat_frontends/tools/strings
souliane <souliane@mailoo.org>
parents: 719
diff changeset
59 def repl(match):
8b6137f7b4e1 tools: addURLToText moved from libervia to sat_frontends/tools/strings
souliane <souliane@mailoo.org>
parents: 719
diff changeset
60 url = match.group(0)
8b6137f7b4e1 tools: addURLToText moved from libervia to sat_frontends/tools/strings
souliane <souliane@mailoo.org>
parents: 719
diff changeset
61 if not re.match(r"""[a-z]{3,}://|mailto:|xmpp:""", url):
8b6137f7b4e1 tools: addURLToText moved from libervia to sat_frontends/tools/strings
souliane <souliane@mailoo.org>
parents: 719
diff changeset
62 url = "http://" + url
1790
bf7e468fe440 tools (strings): add a parameter "new_target" to addURLToText
souliane <souliane@mailoo.org>
parents: 1766
diff changeset
63 target = ' target="_blank"' if new_target else ''
bf7e468fe440 tools (strings): add a parameter "new_target" to addURLToText
souliane <souliane@mailoo.org>
parents: 1766
diff changeset
64 return '<a href="%s"%s class="url">%s</a>' % (url, target, match.group(0))
2107
2c31ddf633e5 frontends(tools/strings): put URL regex outside of getURLParams and precompile it
Goffi <goffi@goffi.org>
parents: 1935
diff changeset
65 return RE_URL.sub(repl, string)
842
429c6a0ef73d frontends (tools): addURLToImage makes an image clickable
souliane <souliane@mailoo.org>
parents: 811
diff changeset
66
429c6a0ef73d frontends (tools): addURLToImage makes an image clickable
souliane <souliane@mailoo.org>
parents: 811
diff changeset
67
429c6a0ef73d frontends (tools): addURLToImage makes an image clickable
souliane <souliane@mailoo.org>
parents: 811
diff changeset
68 def addURLToImage(string):
1790
bf7e468fe440 tools (strings): add a parameter "new_target" to addURLToText
souliane <souliane@mailoo.org>
parents: 1766
diff changeset
69 """Check a XHTML text for what looks like an imageURL and make it clickable.
bf7e468fe440 tools (strings): add a parameter "new_target" to addURLToText
souliane <souliane@mailoo.org>
parents: 1766
diff changeset
70
bf7e468fe440 tools (strings): add a parameter "new_target" to addURLToText
souliane <souliane@mailoo.org>
parents: 1766
diff changeset
71 @param string (unicode): text to process
bf7e468fe440 tools (strings): add a parameter "new_target" to addURLToText
souliane <souliane@mailoo.org>
parents: 1766
diff changeset
72 """
bf7e468fe440 tools (strings): add a parameter "new_target" to addURLToText
souliane <souliane@mailoo.org>
parents: 1766
diff changeset
73 # XXX: report any change to libervia.browser.strings.addURLToImage
842
429c6a0ef73d frontends (tools): addURLToImage makes an image clickable
souliane <souliane@mailoo.org>
parents: 811
diff changeset
74 def repl(match):
429c6a0ef73d frontends (tools): addURLToImage makes an image clickable
souliane <souliane@mailoo.org>
parents: 811
diff changeset
75 url = match.group(1)
429c6a0ef73d frontends (tools): addURLToImage makes an image clickable
souliane <souliane@mailoo.org>
parents: 811
diff changeset
76 return '<a href="%s" target="_blank">%s</a>' % (url, match.group(0))
429c6a0ef73d frontends (tools): addURLToImage makes an image clickable
souliane <souliane@mailoo.org>
parents: 811
diff changeset
77 pattern = r"""<img[^>]* src="([^"]+)"[^>]*>"""
429c6a0ef73d frontends (tools): addURLToImage makes an image clickable
souliane <souliane@mailoo.org>
parents: 811
diff changeset
78 return re.sub(pattern, repl, string)
1801
07390a9d1c09 tools (strings): add method fixXHTMLLinks to add a scheme if missing, and force opening in new tab
souliane <souliane@mailoo.org>
parents: 1790
diff changeset
79
07390a9d1c09 tools (strings): add method fixXHTMLLinks to add a scheme if missing, and force opening in new tab
souliane <souliane@mailoo.org>
parents: 1790
diff changeset
80
07390a9d1c09 tools (strings): add method fixXHTMLLinks to add a scheme if missing, and force opening in new tab
souliane <souliane@mailoo.org>
parents: 1790
diff changeset
81 def fixXHTMLLinks(xhtml):
07390a9d1c09 tools (strings): add method fixXHTMLLinks to add a scheme if missing, and force opening in new tab
souliane <souliane@mailoo.org>
parents: 1790
diff changeset
82 """Add http:// if the scheme is missing and force opening in a new window.
07390a9d1c09 tools (strings): add method fixXHTMLLinks to add a scheme if missing, and force opening in new tab
souliane <souliane@mailoo.org>
parents: 1790
diff changeset
83
07390a9d1c09 tools (strings): add method fixXHTMLLinks to add a scheme if missing, and force opening in new tab
souliane <souliane@mailoo.org>
parents: 1790
diff changeset
84 @param string (unicode): XHTML Content
07390a9d1c09 tools (strings): add method fixXHTMLLinks to add a scheme if missing, and force opening in new tab
souliane <souliane@mailoo.org>
parents: 1790
diff changeset
85 """
07390a9d1c09 tools (strings): add method fixXHTMLLinks to add a scheme if missing, and force opening in new tab
souliane <souliane@mailoo.org>
parents: 1790
diff changeset
86 subs = []
07390a9d1c09 tools (strings): add method fixXHTMLLinks to add a scheme if missing, and force opening in new tab
souliane <souliane@mailoo.org>
parents: 1790
diff changeset
87 for match in re.finditer(r'<a( \w+="[^"]*")* ?/?>', xhtml):
07390a9d1c09 tools (strings): add method fixXHTMLLinks to add a scheme if missing, and force opening in new tab
souliane <souliane@mailoo.org>
parents: 1790
diff changeset
88 tag = match.group(0)
07390a9d1c09 tools (strings): add method fixXHTMLLinks to add a scheme if missing, and force opening in new tab
souliane <souliane@mailoo.org>
parents: 1790
diff changeset
89 url = re.search(r'href="([^"]*)"', tag)
1879
b43ee22eac98 frontends (tools/strings): fixXHTMLLinks skips internal anchors (links starting with "#")
souliane <souliane@mailoo.org>
parents: 1801
diff changeset
90 if url and not url.group(1).startswith("#"): # skip internal anchor
1801
07390a9d1c09 tools (strings): add method fixXHTMLLinks to add a scheme if missing, and force opening in new tab
souliane <souliane@mailoo.org>
parents: 1790
diff changeset
91 if not re.search(r'target="([^"]*)"', tag): # no target
07390a9d1c09 tools (strings): add method fixXHTMLLinks to add a scheme if missing, and force opening in new tab
souliane <souliane@mailoo.org>
parents: 1790
diff changeset
92 subs.append((tag, '<a target="_blank"%s' % tag[2:]))
07390a9d1c09 tools (strings): add method fixXHTMLLinks to add a scheme if missing, and force opening in new tab
souliane <souliane@mailoo.org>
parents: 1790
diff changeset
93 if not re.match(r"^\w+://", url.group(1)): # no scheme
07390a9d1c09 tools (strings): add method fixXHTMLLinks to add a scheme if missing, and force opening in new tab
souliane <souliane@mailoo.org>
parents: 1790
diff changeset
94 subs.append((url.group(0), 'href="http://%s"' % url.group(1)))
07390a9d1c09 tools (strings): add method fixXHTMLLinks to add a scheme if missing, and force opening in new tab
souliane <souliane@mailoo.org>
parents: 1790
diff changeset
95
07390a9d1c09 tools (strings): add method fixXHTMLLinks to add a scheme if missing, and force opening in new tab
souliane <souliane@mailoo.org>
parents: 1790
diff changeset
96 for url, new_url in subs:
07390a9d1c09 tools (strings): add method fixXHTMLLinks to add a scheme if missing, and force opening in new tab
souliane <souliane@mailoo.org>
parents: 1790
diff changeset
97 xhtml = xhtml.replace(url, new_url)
07390a9d1c09 tools (strings): add method fixXHTMLLinks to add a scheme if missing, and force opening in new tab
souliane <souliane@mailoo.org>
parents: 1790
diff changeset
98 return xhtml
07390a9d1c09 tools (strings): add method fixXHTMLLinks to add a scheme if missing, and force opening in new tab
souliane <souliane@mailoo.org>
parents: 1790
diff changeset
99