Update manage.py and settings.py to Django 1.11

gargantext/settings.py

 """
 Django settings for gargantext project.
 
-Generated by 'django-admin startproject' using Django 1.9.2.
+Generated by 'django-admin startproject' using Django 1.11.7.
 
 For more information on this file, see
-https://docs.djangoproject.com/en/1.9/topics/settings/
+https://docs.djangoproject.com/en/1.11/topics/settings/
 
 For the full list of settings and their values, see
-https://docs.djangoproject.com/en/1.9/ref/settings/
+https://docs.djangoproject.com/en/1.11/ref/settings/
 """
 
 import os
@@ -17,7 +17,7 @@ BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
 
 # Quick-start development settings - unsuitable for production
-# See https://docs.djangoproject.com/en/1.9/howto/deployment/checklist/
+# See https://docs.djangoproject.com/en/1.11/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
 SECRET_KEY = '!%ktkh981)piil1%t5r0g4$^0=uvdafk!=f2x8djxy7_gq(n5%'
@@ -43,13 +43,12 @@ INSTALLED_APPS = [
     'gargantext',
 ]
 
-MIDDLEWARE_CLASSES = [
+MIDDLEWARE = [
     'django.middleware.security.SecurityMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
     'django.middleware.common.CommonMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
-    'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
 ]
@@ -75,7 +74,7 @@ TEMPLATES = [
 WSGI_APPLICATION = 'gargantext.wsgi.application'
 
 # Database
-# https://docs.djangoproject.com/en/1.9/ref/settings/#databases
+# https://docs.djangoproject.com/en/1.11/ref/settings/#databases
 
 DATABASES = {
     'default': {
@@ -96,7 +95,7 @@ DATABASES['default']['URL'] = \
     )
 
 # Password validation
-# https://docs.djangoproject.com/en/1.9/ref/settings/#auth-password-validators
+# https://docs.djangoproject.com/en/1.11/ref/settings/#auth-password-validators
 
 AUTH_PASSWORD_VALIDATORS = [
     {
@@ -114,7 +113,7 @@ AUTH_PASSWORD_VALIDATORS = [
 ]
 
 # Internationalization
-# https://docs.djangoproject.com/en/1.9/topics/i18n/
+# https://docs.djangoproject.com/en/1.11/topics/i18n/
 
 LANGUAGE_CODE = 'en-us'
 

gargantext/urls.py

-"""URL Configuration of GarganText"""
+"""gargantext URL Configuration
 
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/1.11/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  url(r'^$', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  url(r'^$', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.conf.urls import url, include
+    2. Add a URL to urlpatterns:  url(r'^blog/', include('blog.urls'))
+"""
 from django.conf.urls import url
 from django.contrib import admin
 from django.views.generic.base          import RedirectView        as Redirect
 from django.contrib.staticfiles.storage import staticfiles_storage as static
 
-
 urlpatterns = [
     url(r'^admin/', admin.site.urls),
     url(r'^favicon.ico$', Redirect.as_view(url=static.url('favicon.ico'),

gargantext/wsgi.py

@@ -4,7 +4,7 @@ WSGI config for gargantext project.
 It exposes the WSGI callable as a module-level variable named ``application``.
 
 For more information on this file, see
-https://docs.djangoproject.com/en/1.9/howto/deployment/wsgi/
+https://docs.djangoproject.com/en/1.11/howto/deployment/wsgi/
 """
 
 import os

manage.py

@@ -4,7 +4,19 @@ import sys
 
 if __name__ == "__main__":
     os.environ.setdefault("DJANGO_SETTINGS_MODULE", "gargantext.settings")
-
+    try:
         from django.core.management import execute_from_command_line
-
+    except ImportError:
+        # The above import may fail for some other reason. Ensure that the
+        # issue is really that Django is missing to avoid masking other
+        # exceptions on Python 2.
+        try:
+            import django
+        except ImportError:
+            raise ImportError(
+                "Couldn't import Django. Are you sure it's installed and "
+                "available on your PYTHONPATH environment variable? Did you "
+                "forget to activate a virtual environment?"
+            )
+        raise
     execute_from_command_line(sys.argv)