django-standalone.py

#!/usr/bin/env python
# https://docs.djangoproject.com/en/3.1/topics/settings/#calling-django-setup-is-required-for-standalone-django-usage
import django
from django.conf import settings

# https://blog.amedama.jp/entry/sqlite3-in-memory-issue
import tempfile
tfile = tempfile.NamedTemporaryFile()

import sqlite3
conn = sqlite3.connect(tfile.name)
c = conn.cursor()
c.execute('CREATE TABLE question (id integer primary key, text text)')

settings.configure(DEBUG=True, DATABASES={
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': tfile.name,
    }
})
django.setup()

# Now this script or any imported module can use any part of Django it needs.
from django import forms

class NameForm(forms.Form):
    your_name = forms.CharField(label='Your name', max_length=100)

name_form = NameForm()
print(name_form)


from django.db import models

class Question(models.Model):
    id = models.BigAutoField(primary_key=True)
    text = models.TextField()

    def __str__(self):
        return f'[{self.id}] {self.text}'

    class Meta:
        app_label = 'standalone'
        db_table = 'question'

q = Question(text="who's the president of USA?")
q.save()
print(q)
print(Question.objects.all())