Mercurial > libervia-backend

annotate libervia/backend/plugins/plugin_exp_lang_detect.py @ 4242:8acf46ed7f36

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frontends: remote control implementation: This is the frontends common part of remote control implementation. It handle the creation of WebRTC session, and management of inputs. For now the reception use freedesktop.org Desktop portal, and works mostly with Wayland based Desktop Environments. rel 436
author Goffi <goffi@goffi.org>
date Sat, 11 May 2024 13:52:43 +0200
parents 4b842c1fb686
children 0d7bb4df2343
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1 #!/usr/bin/env python3
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2
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4 # SAT plugin to detect language (experimental)
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5 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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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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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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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 libervia.backend.core.i18n import _, D_
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21 from libervia.backend.core.constants import Const as C
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22 from libervia.backend.core.log import getLogger
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23
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24 log = getLogger(__name__)
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25 from libervia.backend.core import exceptions
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27 try:
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28 from langid.langid import LanguageIdentifier, model
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29 except ImportError:
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30 raise exceptions.MissingModule(
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31 'Missing module langid, please download/install it with "pip install langid")'
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32 )
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34 identifier = LanguageIdentifier.from_modelstring(model, norm_probs=False)
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37 PLUGIN_INFO = {
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38 C.PI_NAME: "Language detection plugin",
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39 C.PI_IMPORT_NAME: "EXP-LANG-DETECT",
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40 C.PI_TYPE: "EXP",
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41 C.PI_PROTOCOLS: [],
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42 C.PI_DEPENDENCIES: [],
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43 C.PI_MAIN: "LangDetect",
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44 C.PI_HANDLER: "no",
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45 C.PI_DESCRIPTION: _("""Detect and set message language when unknown"""),
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46 }
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47
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48 CATEGORY = D_("Misc")
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49 NAME = "lang_detect"
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50 LABEL = D_("language detection")
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51 PARAMS = """
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52 <params>
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53 <individual>
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54 <category name="{category_name}">
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55 <param name="{name}" label="{label}" type="bool" value="true" />
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56 </category>
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57 </individual>
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58 </params>
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59 """.format(
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60 category_name=CATEGORY, name=NAME, label=_(LABEL)
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61 )
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64 class LangDetect(object):
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65 def __init__(self, host):
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66 log.info(_("Language detection plugin initialization"))
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67 self.host = host
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68 host.memory.update_params(PARAMS)
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69 host.trigger.add("message_received", self.message_received_trigger)
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70 host.trigger.add("sendMessage", self.message_send_trigger)
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72 def add_language(self, mess_data):
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73 message = mess_data["message"]
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74 if len(message) == 1 and list(message.keys())[0] == "":
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75 msg = list(message.values())[0].strip()
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76 if msg:
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77 lang = identifier.classify(msg)[0]
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78 mess_data["message"] = {lang: msg}
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79 return mess_data
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80
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81 def message_received_trigger(self, client, message_elt, post_treat):
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82 """ Check if source is linked and repeat message, else do nothing """
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83
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84 lang_detect = self.host.memory.param_get_a(
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85 NAME, CATEGORY, profile_key=client.profile
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86 )
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87 if lang_detect:
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88 post_treat.addCallback(self.add_language)
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89 return True
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90
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91 def message_send_trigger(self, client, data, pre_xml_treatments, post_xml_treatments):
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92 lang_detect = self.host.memory.param_get_a(
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93 NAME, CATEGORY, profile_key=client.profile
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94 )
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95 if lang_detect:
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96 self.add_language(data)
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97 return True