Mercurial > libervia-backend
annotate src/plugins/plugin_exp_lang_detect.py @ 2556:340128e0b354
jp (base): fixed URI's item with use_pubsub
author | Goffi <goffi@goffi.org> |
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date | Sun, 01 Apr 2018 20:41:03 +0200 |
parents | 0046283a285d |
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plugin exp_lang_detect: language detection plugin, first draft
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1 #!/usr/bin/env python2 |
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2 # -*- coding: utf-8 -*- |
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3 |
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4 # SAT plugin to detect language (experimental) |
2483 | 5 # Copyright (C) 2009-2018 Jérôme Poisson (goffi@goffi.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 sat.core.i18n import _, D_ |
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21 from sat.core.constants import Const as C |
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22 from sat.core.log import getLogger |
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23 log = getLogger(__name__) |
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24 from sat.core import exceptions |
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25 |
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26 try: |
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27 from langid.langid import LanguageIdentifier, model |
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28 except ImportError: |
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29 raise exceptions.MissingModule(u'Missing module langid, please download/install it with "pip install langid")') |
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30 |
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31 identifier = LanguageIdentifier.from_modelstring(model, norm_probs=False) |
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32 |
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33 |
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34 PLUGIN_INFO = { |
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35 C.PI_NAME: "Language detection plugin", |
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36 C.PI_IMPORT_NAME: "EXP-LANG-DETECT", |
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37 C.PI_TYPE: "EXP", |
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38 C.PI_PROTOCOLS: [], |
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39 C.PI_DEPENDENCIES: [], |
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40 C.PI_MAIN: "LangDetect", |
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41 C.PI_HANDLER: "no", |
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42 C.PI_DESCRIPTION: _("""Detect and set message language when unknown""") |
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43 } |
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44 |
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45 CATEGORY = D_(u"Misc") |
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46 NAME = u"lang_detect" |
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47 LABEL = D_(u"language detection") |
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48 PARAMS = """ |
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49 <params> |
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50 <individual> |
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51 <category name="{category_name}"> |
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52 <param name="{name}" label="{label}" type="bool" value="true" /> |
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53 </category> |
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54 </individual> |
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55 </params> |
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56 """.format(category_name=CATEGORY, |
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57 name=NAME, |
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58 label=_(LABEL), |
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59 ) |
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60 |
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61 |
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62 class LangDetect(object): |
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63 |
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64 def __init__(self, host): |
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65 log.info(_(u"Language detection plugin initialization")) |
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66 self.host = host |
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67 host.memory.updateParams(PARAMS) |
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68 host.trigger.add("MessageReceived", self.MessageReceivedTrigger) |
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69 host.trigger.add("sendMessage", self.MessageSendTrigger) |
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70 |
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71 def addLanguage(self, mess_data): |
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72 message = mess_data['message'] |
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73 if len(message) == 1 and message.keys()[0] == '': |
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74 msg = message.values()[0] |
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75 lang = identifier.classify(msg)[0] |
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76 mess_data["message"] = {lang: msg} |
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77 return mess_data |
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78 |
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79 def MessageReceivedTrigger(self, client, message_elt, post_treat): |
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80 """ Check if source is linked and repeat message, else do nothing """ |
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81 |
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82 lang_detect = self.host.memory.getParamA(NAME, CATEGORY, profile_key=client.profile) |
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83 if lang_detect: |
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84 post_treat.addCallback(self.addLanguage) |
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85 return True |
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86 |
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87 def MessageSendTrigger(self, client, data, pre_xml_treatments, post_xml_treatments): |
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88 lang_detect = self.host.memory.getParamA(NAME, CATEGORY, profile_key=client.profile) |
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89 if lang_detect: |
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90 self.addLanguage(data) |
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91 return True |