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annotate libervia/frontends/tools/strings.py @ 4118:07370d2a9bde

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plugin XEP-0167: keep media order when starting a call: media content order is relevant when building Jingle contents/SDP notably for bundling. This patch fixes the previous behaviour of always using the same order by keeping the order of the data (i.e. order of original SDP offer). Previous behaviour could lead to call failure. rel 424
author Goffi <goffi@goffi.org>
date Tue, 03 Oct 2023 15:15:24 +0200
parents 26b7ed2817da
children 0d7bb4df2343
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1 #!/usr/bin/env python3
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2
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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 import re
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21
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22 # Regexp from http://daringfireball.net/2010/07/improved_regex_for_matching_urls
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23 RE_URL = re.compile(
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24 r"""(?i)\b((?:[a-z]{3,}://|(www|ftp)\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}/|mailto:|xmpp:|geo:)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?]))"""
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25 )
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28 # TODO: merge this class with an other module or at least rename it (strings is not a good name)
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30
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31 def get_url_params(url):
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32 """This comes from pyjamas.Location.makeUrlDict with a small change
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33 to also parse full URLs, and parameters with no value specified
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34 (in that case the default value "" is used).
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35 @param url: any URL with or without parameters
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36 @return: a dictionary of the parameters, if any was given, or {}
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37 """
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38 dict_ = {}
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39 if "/" in url:
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40 # keep the part after the last "/"
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41 url = url[url.rindex("/") + 1 :]
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42 if url.startswith("?"):
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43 # remove the first "?"
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44 url = url[1:]
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45 pairs = url.split("&")
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46 for pair in pairs:
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47 if len(pair) < 3:
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48 continue
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49 kv = pair.split("=", 1)
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50 dict_[kv[0]] = kv[1] if len(kv) > 1 else ""
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51 return dict_
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52
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54 def add_url_to_text(string, new_target=True):
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55 """Check a text for what looks like an URL and make it clickable.
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56
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57 @param string (unicode): text to process
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58 @param new_target (bool): if True, make the link open in a new window
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59 """
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60 # XXX: report any change to libervia.browser.strings.add_url_to_text
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61 def repl(match):
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62 url = match.group(0)
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63 if not re.match(r"""[a-z]{3,}://|mailto:|xmpp:""", url):
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64 url = "http://" + url
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65 target = ' target="_blank"' if new_target else ""
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66 return '<a href="%s"%s class="url">%s</a>' % (url, target, match.group(0))
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67
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68 return RE_URL.sub(repl, string)
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71 def add_url_to_image(string):
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72 """Check a XHTML text for what looks like an imageURL and make it clickable.
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73
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74 @param string (unicode): text to process
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75 """
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76 # XXX: report any change to libervia.browser.strings.add_url_to_image
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77 def repl(match):
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78 url = match.group(1)
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79 return '<a href="%s" target="_blank">%s</a>' % (url, match.group(0))
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80
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81 pattern = r"""<img[^>]* src="([^"]+)"[^>]*>"""
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82 return re.sub(pattern, repl, string)
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83
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84
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85 def fix_xhtml_links(xhtml):
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86 """Add http:// if the scheme is missing and force opening in a new window.
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87
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88 @param string (unicode): XHTML Content
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89 """
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90 subs = []
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91 for match in re.finditer(r'<a( \w+="[^"]*")* ?/?>', xhtml):
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92 tag = match.group(0)
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93 url = re.search(r'href="([^"]*)"', tag)
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94 if url and not url.group(1).startswith("#"): # skip internal anchor
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95 if not re.search(r'target="([^"]*)"', tag): # no target
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96 subs.append((tag, '<a target="_blank"%s' % tag[2:]))
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97 if not re.match(r"^\w+://", url.group(1)): # no scheme
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98 subs.append((url.group(0), 'href="http://%s"' % url.group(1)))
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99
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100 for url, new_url in subs:
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101 xhtml = xhtml.replace(url, new_url)
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102 return xhtml