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annotate src/browser/sat_browser/strings.py @ 918:96a56856d357

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pages (blog_new/articles): first concert Libervia page, blog articles: This page is for now called blog_new to avoid conflict with former blog static page, but it will replace the older one when ready. The page get target profile from URL, the request 10 last blog from it, and display it using blog/articles template. Errors are not correctly handled for now (specially blog retrieval errors).
author Goffi <goffi@goffi.org>
date Mon, 06 Mar 2017 00:05:31 +0100
parents 2aaac0605ae2
children
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT helpers methods for plugins
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5 # Copyright (C) 2013-2016 Adrien Cossa (souliane@mailoo.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 from __pyjamas__ import JS
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22
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23 def getURLParams(url):
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24 """This comes from pyjamas.Location.makeUrlDict with a small change
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25 to also parse full URLs, and parameters with no value specified
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26 (in that case the default value "" is used).
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27 @param url: any URL with or without parameters
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28 @return: a dictionary of the parameters, if any was given, or {}
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29 """
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30 dict_ = {}
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31 if "/" in url:
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32 # keep the part after the last "/"
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33 url = url[url.rindex("/") + 1:]
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34 if url.startswith("?"):
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35 # remove the first "?"
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36 url = url[1:]
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37 pairs = url.split("&")
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38 for pair in pairs:
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39 if len(pair) < 3:
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40 continue
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41 kv = pair.split("=", 1)
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42 dict_[kv[0]] = kv[1] if len(kv) > 1 else ""
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43 return dict_
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45
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46 def addURLToText(text, new_target=True):
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47 """Check a text for what looks like an URL and make it clickable.
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48
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49 @param string (unicode): text to process
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50 @param new_target (bool): if True, make the link open in a new window
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51 """
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52 # FIXME: Workaround for a pyjamas bug with regex, base method in sat.frontends.tools.strings
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53 # In some case, Pyjamas' re module get crazy and freeze browsers (tested with Iceweasel and Chromium).
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54 # we use javascript as a workaround
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55 # This method is inspired from https://stackoverflow.com/questions/1500260/detect-urls-in-text-with-javascript
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56 JS("""var urlRegex = /(https?:\/\/[^\s]+)/g;
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57 var target = new_target ? ' target="_blank"' : '';
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58 return text.replace(urlRegex, function(url) {
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59 return '<a href="' + url + '"' + target + ' class="url">' + url + '</a>';
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60 })""")
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62
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63 def addURLToImage(text):
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64 """Check a XHTML text for what looks like an imageURL and make it clickable.
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65
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66 @param text (unicode): text to process
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67 """
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68 # FIXME: Pyjamas re module is not stable so we use pure JS instead, base method in sat.frontends.tools.strings
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69 JS("""var imgRegex = /<img[^>]* src="([^"]+)"[^>]*>/g;
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70 return text.replace(imgRegex, function(img, src) {
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71 return '<a href="' + src + '" target="_blank">' + img + '</a>';
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72 })""")
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73
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74 def fixXHTMLLinks(xhtml):
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75 """Add http:// if the scheme is missing and force opening in a new window.
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76
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77 @param string (unicode): XHTML Content
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78 """
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79 # FIXME: Pyjamas re module is not stable so we use pure JS instead, base method in sat.frontends.tools.strings
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80 JS("""var subs = [];
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81 var tag_re = /<a(?: \w+="[^"]*")* ?\/?>/g;
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82 var result;
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83 while ((result = tag_re.exec(xhtml)) !== null) {
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84 tag = result[0];
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85 var link_result = /href="([^"]*)"/.exec(tag);
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86 if (link_result && !(link_result[1].startsWith("#"))) { // found a link which is not an internal anchor
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87 var link = link_result[0];
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88 var url = link_result[1];
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89 if (! /target="([^"]*)"/.test(tag)) { // no target
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90 subs.push([tag, '<a target="_blank"' + tag.slice(2, tag.length)]);
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91 }
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92 if (! /^\w+:\/\//.test(url)) { // no scheme
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93 subs.push([link, 'href="http://' + url + '"']);
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94 }
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95 }
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96 }
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97 for (i in subs) {
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98 xhtml = xhtml.replace(subs[i][0], subs[i][1]);
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99 }
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100 """)
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101 return xhtml