Implement logger in another way.

app/__init__.py

@@ -4,9 +4,11 @@ from flask_login import LoginManager
 from flask_mail import Mail
 from flask_socketio import SocketIO
 from flask_sqlalchemy import SQLAlchemy
+import logging
 
 
 db = SQLAlchemy()
+logger = logging.getLogger(__name__)
 login_manager = LoginManager()
 login_manager.login_view = 'auth.login'
 mail = Mail()

app/corpora/events.py

-from app import db, socketio
+from app import db, logger, socketio
 from app.events import connected_sessions
 from app.models import Corpus
 from flask import current_app, request
 from flask_login import current_user, login_required
 from .CQiWrapper.CQiWrapper import CQiWrapper
-import logging
-import json
 
 
 '''
@@ -40,24 +38,22 @@ def init_corpus_analysis(corpus_id):
 @socketio.on('query_event')
 @login_required
 def recv_query(message):
-    logger = logging.getLogger(__name__)
     logger.warning(message)
     analysis_client = analysis_clients[request.sid]
     corpus_name = 'CORPUS'
-    result_subcorpus_name = 'Query-results'
+    result_subcorpus_name = 'Query-results'  # should be set by the user somehow
     query = message['query']
     analysis_client.set_corpus_name(corpus_name)
     analysis_client.create_attribute_strings()
     analysis_client.query_subcorpus(result_subcorpus_name, query)
-    results = analysis_client.show_results()
+    logger.warning('Vorher')
+    #results = analysis_client.show_results()
+    results = analysis_client.get_cpos_info([1995, 2000], analysis_client)
+    logger.warning('Nacher')
     logger.warning('Query results: {}'.format(str(results)))
-    json_results = json.dumps(results)
-    logger.warning('JSON results are {}'.format(json_results))
-    socketio.emit('query_results', json_results)
 
 
 def observe_corpus_analysis_connection(app, corpus_id, session_id):
-    logger = logging.getLogger(__name__)
     with app.app_context():
         corpus = Corpus.query.filter_by(id=corpus_id).first()
         while corpus.status != 'analysing':
@@ -70,6 +66,7 @@ def observe_corpus_analysis_connection(app, corpus_id, session_id):
         analysis_clients[session_id] = analysis_client
         socketio.emit('init_corpus_analysis', 'Ready', room=session_id)
         while session_id in connected_sessions:
+            '''
             try:
                 analysis_client.ctrl_ping()
             except Exception as err:
@@ -77,6 +74,8 @@ def observe_corpus_analysis_connection(app, corpus_id, session_id):
                 break
             else:
                 socketio.sleep(3)
+            '''
+            socketio.sleep(3)
         analysis_client.disconnect()
         analysis_clients.pop(session_id, None)
         analysis_sessions[str(corpus_id)].remove(session_id)