How to have a Python script for a Django app that accesses models without using the shell?

Since Django 1.4 you should avoid using setup_environ(settings) (post by Melug) because it is deprecated. Use the following instead and you will be able to access your model

import os

os.environ.setdefault("DJANGO_SETTINGS_MODULE", "your_project_name.settings")

# your imports, e.g. Django models
from your_project_name.models import Location

# From now onwards start your script..

Here is an example to access and modify your model:

if __name__ == '__main__':    
    # e.g. add a new location
    l = Location()"Berlin"

    # this is an example to access your model
    locations = Location.objects.all()
    print locations

    # e.g. delete the location
    berlin = Location.objects.filter(name="Berlin")
    print berlin

Example model:

class Location(models.Model):
    name = models.CharField(max_length=100)

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