ImproperlyConfigured You must either define the environment variable DJANGO SETTINGS MODULE or call settings configure before accessing settings

Question

I was trying to configure my django project to deploy to heroku  I am getting the following error and I don t really know how to fix it    Here is the full traceback and error   22 46 15 web 1    Traceback  most recent call last   22 46 15 web 1      File   Users nir nirla venv lib python2 7 site-packages gunicorn arbiter py   line 495  in spawn worker 22 46 15 web 1        worker init process   22 46 15 web 1      File   Users nir nirla venv lib python2 7 site-packages gunicorn workers base py   line 106  in init process 22 46 15 web 1        self wsgi   self app wsgi   22 46 15 web 1      File   Users nir nirla venv lib python2 7 site-packages gunicorn app base py   line 114  in wsgi 22 46 15 web 1        self callable   self load   22 46 15 web 1      File   Users nir nirla venv lib python2 7 site-packages gunicorn app wsgiapp py   line 62  in load 22 46 15 web 1        return self load wsgiapp   22 46 15 web 1      File   Users nir nirla venv lib python2 7 site-packages gunicorn app wsgiapp py   line 49  in load wsgiapp 22 46 15 web 1        return util import app self app uri  22 46 15 web 1      File   Users nir nirla venv lib python2 7 site-packages gunicorn util py   line 354  in import app 22 46 15 web 1          import   module  22 46 15 web 1      File   Users nir nirla nirla wsgi py   line 12  in  lt module gt  22 46 15 web 1        from dj static import Cling 22 46 15 web 1      File   Users nir nirla venv lib python2 7 site-packages dj static py   line 7  in  lt module gt  22 46 15 web 1        from django contrib staticfiles handlers import StaticFilesHandler as DebugHandler 22 46 15 web 1      File   Users nir nirla venv lib python2 7 site-packages django contrib staticfiles handlers py   line 8  in  lt module gt  22 46 15 web 1        from django contrib staticfiles views import serve 22 46 15 web 1      File   Users nir nirla venv lib python2 7 site-packages django contrib staticfiles views py   line 13  in  lt module gt  22 46 15 web 1        from django views import static 22 46 15 web 1      File   Users nir nirla venv lib python2 7 site-packages django views static py   line 96  in  lt module gt  22 46 15 web 1        template translatable   ugettext noop  Index of   directory s   22 46 15 web 1      File   Users nir nirla venv lib python2 7 site-packages django utils translation   init   py   line 65  in gettext noop 22 46 15 web 1        return  trans gettext noop message  22 46 15 web 1      File   Users nir nirla venv lib python2 7 site-packages django utils translation   init   py   line 52  in   getattr   22 46 15 web 1        if settings USE I18N  22 46 15 web 1      File   Users nir nirla venv lib python2 7 site-packages django conf   init   py   line 54  in   getattr   22 46 15 web 1        self  setup name  22 46 15 web 1      File   Users nir nirla venv lib python2 7 site-packages django conf   init   py   line 47  in  setup 22 46 15 web 1           desc  ENVIRONMENT VARIABLE   22 46 15 web 1    ImproperlyConfigured  Requested setting USE I18N  but settings are not configured  You must either define the environment variable DJANGO SETTINGS MODULE or call settings configure   before accessing settings    Here is my wsgi py file   import os from django core wsgi import get wsgi application from dj static import Cling  os environ setdefault  DJANGO SETTINGS MODULE    nirla settings    nirla is the name of the project   application   Cling get wsgi application      And in case it was relevant  my manage py file    import os import sys      if   name         main             os environ setdefault  DJANGO SETTINGS MODULE    nirla settings            from django core management import execute from command line          execute from command line sys argv    Can anyone seem to understand the issue here  And if so  can you be so kind as to explain what is wrong  Thank you

User · Answer

If you are using the local server  run Django shell using python manage py shell  It will take you to the Django python environment and you are good to go

User · Answer

In my case it was the use of the call command module that posed a problem  I added set DJANGO SETTINGS MODULE mysite settings but it didn t work  I finally found it  add these lines at the top of the script  and the order matters  import os os environ setdefault  quot DJANGO SETTINGS MODULE quot    quot mysite settings quot    import django django setup    from django core management import call command

User · Answer

In my case it was python path issue   1 First set your PYTHONPATH  2 then set DJANGO SETTINGS MODULE then run django-admin shell command  django-admin dbshell   venv  shakeel workstation   project path  export PYTHONPATH  home shakeel project path  venv  shakeel workstation   project path  export DJANGO SETTINGS MODULE my project settings  venv  shakeel workstation   project path  django-admin dbshell SQLite version 3 22 0 2018-01-22 18 45 57 Enter  quot  help quot  for usage hints  sqlite gt   otherwise python manage py shell works like charm

User · Answer

From The Definitive Guide to Django  Web Development Done Right   If you   ve used Python before  you may be wondering why we   re running python manage py shell instead of just python  Both commands will start the interactive interpreter  but the manage py shell command has one key difference  before starting the interpreter  it tells Django which settings file to use   Use Case  Many parts of Django  including the template system  rely on your settings  and you won   t be able to use them unless the framework knows which settings to use   If you   re curious  here   s how it works behind the scenes  Django looks for an environment variable called DJANGO SETTINGS MODULE  which should be set to the import path of your settings py  For example  DJANGO SETTINGS MODULE might be set to  mysite settings   assuming mysite is on your Python path  When you run python manage py shell  the command takes care of setting DJANGO SETTINGS MODULE for you

User · Answer

I figured that the DJANGO SETTINGS MODULE had to be set some way  so I looked at the documentation  link updated  and found   export DJANGO SETTINGS MODULE mysite settings   Though that is not enough if you are running a server on heroku  you need to specify it there  too  Like this   heroku config set DJANGO SETTINGS MODULE mysite settings --account  lt your account name gt     In my specific case I ran these two and everything worked out   export DJANGO SETTINGS MODULE nirla settings heroku config set DJANGO SETTINGS MODULE nirla settings --account personal     Edit   I would also like to point out that you have to re-do this every time you close or restart your virtual environment  Instead  you should automate the process by going to venv bin activate and adding the line  set DJANGO SETTINGS MODULE mysite settings to the bottom of the code  From now on every time you activate the virtual environment  you will be using that app s settings

User · Answer

Django needs your application-specific settings  Since it is already inside your manage py  just use that  The faster  but perhaps temporary  solution is    python manage py shell

User · Answer

Create a  env file that will hold your credentials at the root of your project and leave it out of versioning     echo   env   gt  gt   gitignore   In the  env file  add the variables  adapt them according to your installation      echo  DJANGO SETTINGS MODULE myproject settings production  gt   env  50 caracter random key   echo  SECRET KEY         gt  gt   env   To use them  put this on top of your production py settings file   import os  env   os environ copy   SECRET KEY   env  SECRET KEY     Publish it to Heroku using this gem  http   github com ddollar heroku-config git    heroku plugins install git   github com ddollar heroku-config git   heroku config push   This way you avoid to change virtualenv files    Based on this tutorial

[python] ImproperlyConfigured: You must either define the environment variable DJANGO_SETTINGS_MODULE or call settings.configure() before accessing settings

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