chg: [lang] improve language detection + UI: manual translation and detection

bin/lib/Language.py

@@ -7,6 +7,7 @@ import sys
 import html2text
 
 import gcld3
+from lexilang.detector import detect as lexilang_detect
 from libretranslatepy import LibreTranslateAPI
 
 sys.path.append(os.environ['AIL_BIN'])
@@ -342,18 +343,31 @@ def remove_obj_language(language, obj_type, obj_subtype, obj_id):
     obj_global_id = f'{obj_type}:{obj_subtype}:{obj_id}'
     r_lang.srem(f'obj:lang:{obj_global_id}', language)
 
+    delete_obj_translation(obj_global_id, language)
+
     r_lang.srem(f'langs:{obj_type}:{obj_subtype}:{language}', obj_global_id)
     if not r_lang.exists(f'langs:{obj_type}:{obj_subtype}:{language}'):
         r_lang.srem(f'objs:lang:{obj_type}:{obj_subtype}', language)
         r_lang.srem(f'languages:{language}', f'{obj_type}:{obj_subtype}')
         if not r_lang.exists(f'objs:lang:{obj_type}:{obj_subtype}'):
-            if r_lang.scard(f'objs:langs:{obj_type}', language) <= 1:
+            if r_lang.scard(f'objs:langs:{obj_type}') <= 1:
                 r_lang.srem(f'objs:langs:{obj_type}', language)
 
-def edit_obj_language(language, obj_type, obj_subtype, obj_id):
+# TODO handle fields
-    remove_obj_language(language, obj_type, obj_subtype, obj_id)
+def detect_obj_language(obj_type, obj_subtype, obj_id, content):
-    add_obj_language(language, obj_type, obj_subtype, obj_id)
+    detector = LanguagesDetector(nb_langs=1)
-
+    language = detector.detect(content)
+    if language:
+        language = language[0]
+        previous_lang = get_obj_languages(obj_type, obj_subtype, obj_id)
+        if previous_lang:
+            previous_lang = previous_lang[0]
+            if language != previous_lang:
+                remove_obj_language(language, obj_type, obj_subtype, obj_id)
+                add_obj_language(language, obj_type, obj_subtype, obj_id)
+        else:
+            add_obj_language(language, obj_type, obj_subtype, obj_id)
+        return language
 
 ## Translation
 def _get_obj_translation(obj_global_id, language, field=''):
@@ -364,6 +378,7 @@ def get_obj_translation(obj_global_id, language, source=None, content=None, fiel
         Returns translated content
     """
     translation = r_cache.get(f'translation:{language}:{obj_global_id}:{field}')
+    r_cache.expire(f'translation:{language}:{obj_global_id}:{field}', 0)
     if translation:
         # DEBUG
         # print('cache')
@@ -372,7 +387,10 @@ def get_obj_translation(obj_global_id, language, source=None, content=None, fiel
     # TODO HANDLE FIELDS TRANSLATION
     translation = _get_obj_translation(obj_global_id, language, field=field)
     if not translation:
-        translation = LanguageTranslator().translate(content, source=source, target=language)
+        source, translation = LanguageTranslator().translate(content, source=source, target=language)
+        if source and translation:
+            obj_type, subtype, obj_id = obj_global_id.split(':', 2)
+            add_obj_language(source, obj_type, subtype, obj_id)
     if translation:
         r_cache.set(f'translation:{language}:{obj_global_id}:{field}', translation)
         r_cache.expire(f'translation:{language}:{obj_global_id}:{field}', 300)
@@ -380,10 +398,14 @@ def get_obj_translation(obj_global_id, language, source=None, content=None, fiel
 
 
 # TODO Force to edit ????
+
 def set_obj_translation(obj_global_id, language, translation, field=''):
     r_cache.delete(f'translation:{language}:{obj_global_id}:')
     return r_lang.hset(f'tr:{obj_global_id}:{field}', language, translation)
 
+def delete_obj_translation(obj_global_id, language, field=''):
+    r_cache.delete(f'translation:{language}:{obj_global_id}:')
+    r_lang.hdel(f'tr:{obj_global_id}:{field}', language)
 
 ## --LANGUAGE ENGINE-- ##
 
@@ -410,11 +432,22 @@ class LanguagesDetector:
         if self.min_len > 0:
             if len(content) < self.min_len:
                 return languages
+        # p = self.detector.FindTopNMostFreqLangs(content, num_langs=3)
+        # for lang in p:
+        #     print(lang.language, lang.probability, lang.proportion, lang.is_reliable)
+        # print('------------------------------------------------')
         for lang in self.detector.FindTopNMostFreqLangs(content, num_langs=self.nb_langs):
             if lang.proportion >= self.min_proportion and lang.probability >= self.min_probability and lang.is_reliable:
                 languages.append(lang.language)
         return languages
 
+    def detect_lexilang(self, content):  # TODO clean text ??? - TODO REMOVE SEPARATOR
+        language, prob = lexilang_detect(content)
+        if prob > 0:
+            return [language]
+        else:
+            return []
+
     def detect_libretranslate(self, content):
         languages = []
         try:
@@ -431,19 +464,26 @@ class LanguagesDetector:
                     languages.append(language)
         return languages
 
-    def detect(self, content, force_gcld3=False):
+    def detect(self, content, force_gcld3=False):  # TODO detect length between 20-200 ????
+        content = _clean_text_to_translate(content, html=True)
+        # print('cleaned content', content)
         # gcld3
-        if len(content) >= 200 or not self.lt or force_gcld3:
+        if len(content) < 100:
-            language = self.detect_gcld3(content)
+            languages = self.detect_lexilang(content)
-        # libretranslate
         else:
-            language = self.detect_libretranslate(content)
+            # if len(content) >= 200 or not self.lt or force_gcld3:
-        return language
+            #     print('gcld3')
+            languages = self.detect_gcld3(content)
+        # libretranslate
+        # else:
+        #     languages = self.detect_libretranslate(content)
+        return languages
 
 class LanguageTranslator:
 
     def __init__(self):
         self.lt = LibreTranslateAPI(get_translator_instance())
+        self.ld = LanguagesDetector(nb_langs=1)
 
     def languages(self):
         languages = []
@@ -473,13 +513,13 @@ class LanguageTranslator:
             return language[0].get('language')
 
     def detect(self, content):
-        # gcld3
+        # print('++++++++++++++++++++++++++++++++++++++++++++++++++++++')
-        if len(content) >= 200:
+        # print(content)
-            language = self.detect_gcld3(content)
+        language = self.ld.detect(content)
-        # libretranslate
+        if language:
-        else:
+            # print(language[0])
-            language = self.detect_libretranslate(content)
+            # print('##############################################################')
-        return language
+            return language[0]
 
     def translate(self, content, source=None, target="en"):  # TODO source target
         if target not in get_translation_languages():
@@ -498,9 +538,9 @@ class LanguageTranslator:
                         translation = None
                     # TODO LOG and display error
                     if translation == content:
-                        print('EQUAL')
+                        # print('EQUAL')
                         translation = None
-        return translation
+        return source, translation
 
 
 LIST_LANGUAGES = {}

bin/lib/chats_viewer.py

@@ -404,18 +404,33 @@ def api_get_message(message_id, translation_target=None):
     message = Messages.Message(message_id)
     if not message.exists():
         return {"status": "error", "reason": "Unknown uuid"}, 404
-    meta = message.get_meta({'chat', 'content', 'files-names', 'icon', 'images', 'link', 'parent', 'parent_meta', 'reactions', 'thread', 'translation', 'user-account'}, translation_target=translation_target)
+    meta = message.get_meta({'chat', 'content', 'files-names', 'icon', 'images', 'language', 'link', 'parent', 'parent_meta', 'reactions', 'thread', 'translation', 'user-account'}, translation_target=translation_target)
     return meta, 200
 
-def api_manually_translate_message(message_id, translation_target, translation):
+def api_message_detect_language(message_id):
+    message = Messages.Message(message_id)
+    if not message.exists():
+        return {"status": "error", "reason": "Unknown uuid"}, 404
+    lang = message.detect_language()
+    return {"language": lang}, 200
+
+def api_manually_translate_message(message_id, source, translation_target, translation):
     message = Messages.Message(message_id)
     if not message.exists():
         return {"status": "error", "reason": "Unknown uuid"}, 404
-    if len(translation) > 200000: # TODO REVIEW LIMIT
-        return {"status": "error", "reason": "Max Size reached"}, 400
-    if translation_target not in Language.get_translation_languages():
-        return {"status": "error", "reason": "Unknown Language"}, 400
     if translation:
+        if len(translation) > 200000: # TODO REVIEW LIMIT
+            return {"status": "error", "reason": "Max Size reached"}, 400
+    all_languages = Language.get_translation_languages()
+    if source not in all_languages:
+        print(source)
+        return {"status": "error", "reason": "Unknown source Language"}, 400
+    message_language = message.get_language()
+    if message_language != source:
+        message.edit_language(message_language, source)
+    if translation:
+        if translation_target not in all_languages:
+            return {"status": "error", "reason": "Unknown target Language"}, 400
         message.set_translation(translation_target, translation)
     # TODO SANITYZE translation
     return None, 200

bin/lib/objects/Messages.py

@@ -175,6 +175,13 @@ class Message(AbstractObject):
     # message media
     # flag is deleted -> event or missing from feeder pass ???
 
+    def get_language(self):
+        languages = self.get_languages()
+        if languages:
+            return languages.pop()
+        else:
+            return None
+
     def get_translation(self, content=None, source=None, target='fr'):
         """
         Returns translated content
@@ -289,8 +296,14 @@ class Message(AbstractObject):
             meta['files-names'] = self.get_files_names()
         if 'reactions' in options:
             meta['reactions'] = self.get_reactions()
+        if 'language' in options:
+            meta['language'] = self.get_language()
         if 'translation' in options and translation_target:
-            meta['translation'] = self.translate(content=meta.get('content'), target=translation_target)
+            if meta.get('language'):
+                source = meta['language']
+            else:
+                source = None
+            meta['translation'] = self.translate(content=meta.get('content'), source=source, target=translation_target)
 
         # meta['encoding'] = None
         return meta

bin/lib/objects/abstract_chat_object.py

@@ -226,7 +226,7 @@ class AbstractChatObject(AbstractSubtypeObject, ABC):
     def get_message_meta(self, message, timestamp=None, translation_target='', options=None):  # TODO handle file message
         message = Messages.Message(message[9:])
         if not options:
-            options = {'content', 'files-names', 'images', 'link', 'parent', 'parent_meta', 'reactions', 'thread', 'translation', 'user-account'}
+            options = {'content', 'files-names', 'images', 'language', 'link', 'parent', 'parent_meta', 'reactions', 'thread', 'translation', 'user-account'}
         meta = message.get_meta(options=options, timestamp=timestamp, translation_target=translation_target)
         return meta
 

bin/lib/objects/abstract_object.py

@@ -25,7 +25,7 @@ from lib import Duplicate
 from lib.correlations_engine import get_nb_correlations, get_correlations, add_obj_correlation, delete_obj_correlation, delete_obj_correlations, exists_obj_correlation, is_obj_correlated, get_nb_correlation_by_correl_type, get_obj_inter_correlation
 from lib.Investigations import is_object_investigated, get_obj_investigations, delete_obj_investigations
 from lib.relationships_engine import get_obj_nb_relationships, add_obj_relationship
-from lib.Language import get_obj_languages, add_obj_language, remove_obj_language, get_obj_translation, set_obj_translation
+from lib.Language import get_obj_languages, add_obj_language, remove_obj_language, detect_obj_language, get_obj_translation, set_obj_translation, delete_obj_translation
 from lib.Tracker import is_obj_tracked, get_obj_trackers, delete_obj_trackers
 
 logging.config.dictConfig(ail_logger.get_config(name='ail'))
@@ -313,12 +313,22 @@ class AbstractObject(ABC):
     def remove_language(self, language):
         return remove_obj_language(language, self.type, self.get_subtype(r_str=True), self.id)
 
+    def edit_language(self, old_language, new_language):
+        self.remove_language(old_language)
+        self.add_language(new_language)
+
+    def detect_language(self, field=''):
+        return detect_obj_language(self.type, self.get_subtype(r_str=True), self.id, self.get_content())
+
     def get_translation(self, language, field=''):
         return get_obj_translation(self.get_global_id(), language, field=field)
 
     def set_translation(self, language, translation, field=''):
         return set_obj_translation(self.get_global_id(), language, translation, field=field)
 
+    def delete_translation(self, language, field=''):
+        return delete_obj_translation(self.get_global_id(), language, field=field)
+
     def translate(self, content=None, field='', source=None, target='en'):
         global_id = self.get_global_id()
         if not content:

requirements.txt

@@ -44,6 +44,7 @@ scrapy-splash>=0.7.2
 # Languages
 gcld3
 libretranslatepy
+lexilang
 
 #Graph
 numpy>1.18.1

update/v5.4/Update.sh

@@ -24,6 +24,7 @@ echo ""
 echo -e $GREEN"Updating python packages ..."$DEFAULT
 echo ""
 pip install -U pylacus
+pip install -U lexilang
 
 
 bash ${AIL_BIN}/LAUNCH.sh -lrv

var/www/blueprints/chats_explorer.py

@@ -240,11 +240,24 @@ def objects_message():
 @login_read_only
 def objects_message_translate():
     message_id = request.form.get('id')
+    source = request.form.get('language_target')
     target = request.form.get('target')
     translation = request.form.get('translation')
     if target == "Don't Translate":
         target = None
-    resp = chats_viewer.api_manually_translate_message(message_id, target, translation)
+    resp = chats_viewer.api_manually_translate_message(message_id, source, target, translation)
+    if resp[1] != 200:
+        return create_json_response(resp[0], resp[1])
+    else:
+        return redirect(url_for('chats_explorer.objects_message', id=message_id, target=target))
+
+@chats_explorer.route("/objects/message/detect/language", methods=['GET'])
+@login_required
+@login_read_only
+def objects_message_detect_language():
+    message_id = request.args.get('id')
+    target = request.args.get('target')
+    resp = chats_viewer.api_message_detect_language(message_id)
     if resp[1] != 200:
         return create_json_response(resp[0], resp[1])
     else:

var/www/templates/chats_explorer/block_message.html

@@ -81,24 +81,6 @@
             <hr class="m-1">
             <pre class="my-0 text-secondary">{{ message['translation'] }}</pre>
 
-            {% set mess_id_escape= message['id'] | replace("/", "_") %}
-            <button class="btn btn-light p-0" type="button" data-toggle="collapse" data-target="#collapseTrans{{ mess_id_escape }}" aria-expanded="false" aria-controls="collapseTrans{{ mess_id_escape }}">
-                <i class="fas fa-language"></i>
-            </button>
-            <div class="collapse" id="collapseTrans{{ mess_id_escape }}">
-                <div class="card card-body">
-                    <form method="post" action="{{ url_for('chats_explorer.objects_message_translate') }}" target="_blank">
-                        <input type="text" id="id" name="id" value="{{message['id']}}" hidden>
-                        <input type="text" id="target" name="target" value="{{translation_target}}" hidden>
-                        <span>{{translation_target}}:</span>
-                        <textarea class="form-control" id="translation" name="translation">{{ message['translation'] }}</textarea>
-                        <button class="btn btn-primary" type="submit">
-                            <i class="fas fa-pen-alt"> Manual Translation</i>
-                        </button>
-                    </form>
-                </div>
-            </div>
-
         {% endif %}
         {% for reaction in message['reactions'] %}
             <span class="border rounded px-1">{{ reaction }} {{ message['reactions'][reaction] }}</span>
@@ -113,10 +95,47 @@
             <span class="badge badge-{{ bootstrap_label[loop.index0 % 5] }}">{{ tag }}</span>
         {%  endfor %}
         <div class="">
+
+            {% set mess_id_escape= message['id'] | replace("/", "_") %}
+            <span class="btn btn-outline-dark p-0 px-1" type="button" data-toggle="collapse" data-target="#collapseTrans{{ mess_id_escape }}" aria-expanded="false" aria-controls="collapseTrans{{ mess_id_escape }}">
+                <i class="fas fa-language"></i> {% if message['language'] %}{{ message['language'] }}{% endif %}
+            </span>
+            <div class="collapse" id="collapseTrans{{ mess_id_escape }}">
+                <div class="card card-body">
+                    <form method="post" action="{{ url_for('chats_explorer.objects_message_translate') }}" target="_blank">
+                        <input type="text" id="id" name="id" value="{{message['id']}}" hidden>
+                        <span class="badge badge-primary">Source:</span>
+                        <span class="">
+                            <select id="language_target" name="language_target" class="form-select" aria-label="Message Language" onchange="$('#translation').val('');">
+                                    <option selected value="{{ message['language'] }}">{{ message['language'] }}</option>
+                                {% for language in translation_languages %}
+                                    <option value="{{ language }}">{{ translation_languages[language] }}</option>
+                                {% endfor %}
+                            </select>
+                        </span>
+                        {% if translation_target %}
+                            <input type="text" id="target" name="target" value="{{translation_target}}" hidden>
+                            &nbsp;&nbsp;&nbsp;&nbsp;<span class="badge badge-primary">Target:</span><span>{{translation_target}}</span>
+                            <textarea class="form-control" id="translation" name="translation">{{ message['translation'] }}</textarea>
+                            <button class="btn btn-dark" type="submit">
+                                <i class="fas fa-pen-alt"> Update Language or Translation</i>
+                            </button>
+                        {% else %}
+                            <button class="btn btn-dark" type="submit">
+                                <i class="fas fa-pen-alt"> Update Language</i>
+                            </button>
+                        {% endif %}
+                    </form>
+                    <div>
+                        <a class="btn btn-primary" href="{{ url_for('chats_explorer.objects_message_detect_language')}}?id={{ message['id'] }}">
+                            <i class="fas fa-redo"></i> Detect Language
+                        </a>
+                    </div>
+                </div>
+            </div>
+
             <a class="btn btn-light btn-sm text-secondary px-1" href="{{ url_for('correlation.show_correlation')}}?type={{ message['type'] }}&subtype={{ message['subtype'] }}&id={{ message['id'] }}"><i class="fas fa-project-diagram"></i></a>
             <a class="btn btn-light btn-sm text-secondary px-1" href="{{ message['link'] }}"><i class="fas fa-eye"></i></a>
         </div>
     </div>
 </div>
-
-

var/www/templates/chats_explorer/block_translation.html

@@ -10,6 +10,7 @@
                         <option selected>Don't Translate</option>
                     {% else %}
                         <option selected value="{{ translation_target }}">{{ translation_target }}</option>
+                        <option>Don't Translate</option>
                     {% endif %}
                     {% for language in translation_languages %}
                         <option value="{{ language }}">{{ translation_languages[language] }}</option>