Init DB

Author: hernanramirez

blog/__init__.py

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+from django.contrib import admin
+
+from .models.mongo_models import Comment
+from .models.postgres_models import Post
+
+admin.site.register(Post)
+admin.site.register(Comment)
+

blog/__pycache__/__init__.cpython-39.pyc

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+from django.apps import AppConfig
+
+
+class BlogConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'blog'

blog/__pycache__/admin.cpython-39.pyc

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+class NonRelRouter:
+    """
+    A router to control if database should use
+    primary database or non-relational one.
+    """
+
+    nonrel_models = {'comment'}
+
+    def db_for_read(self, model, **_hints):
+        if model._meta.model_name in self.nonrel_models:
+            return 'nonrel'
+        return 'default'
+
+    def db_for_write(self, model, **_hints):
+        if model._meta.model_name in self.nonrel_models:
+            return 'nonrel'
+        return 'default'
+    
+    def allow_relation(self, obj1, obj2, **_hints):
+        if obj1._meta.model_name in self.nonrel_models or obj2._meta.model_name in self.nonrel_models:
+            return True
+        return None
+
+    def allow_migrate(self, _db, _app_label, model_name=None, **_hints):
+        if _db == 'nonrel' or model_name in self.nonrel_models:
+            return False
+        return True

blog/__pycache__/apps.cpython-39.pyc

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+# Generated by Django 4.1 on 2022-10-18 13:39
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Post',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=100)),
+                ('content', models.TextField()),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Comment',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('message', models.TextField()),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('post', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='blog.post')),
+            ],
+            options={
+                'ordering': ('-created_at',),
+            },
+        ),
+    ]

blog/__pycache__/db_routers.cpython-39.pyc

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+from .postgres_models import *
+from .mongo_models import *

blog/__pycache__/tests.cpython-39.pyc

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+from django.db import models
+from djongo import models as mongo_models
+
+from .postgres_models import Post
+
+
+class Comment(models.Model):
+    _id = mongo_models.ObjectIdField()
+    post = models.ForeignKey(Post, on_delete=models.CASCADE)
+    message = models.TextField()
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        _db = 'nonrel'
+        ordering = ("-created_at", )
+
+    def __str__(self):
+        return self.message

blog/admin.py

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+from django.db import models
+
+class Post(models.Model):
+    title = models.CharField(max_length=100)
+    content = models.TextField()
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    def __str__(self):
+        return self.title

blog/apps.py

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+from django.test import TestCase
+
+# Create your tests here.

blog/db_routers.py

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+from django.shortcuts import render
+
+# Create your views here.

blog/migrations/0001_initial.py

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+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'multidb.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        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?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()

blog/migrations/__init__.py

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+"""
+ASGI config for multidb project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.1/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'multidb.settings')
+
+application = get_asgi_application()

blog/migrations/__pycache__/0001_initial.cpython-39.pyc

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+"""
+Django settings for multidb project.
+
+Generated by 'django-admin startproject' using Django 4.1.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.1/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/4.1/ref/settings/
+"""
+
+from pathlib import Path
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/4.1/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'django-insecure-7(i@ivgfgs&7$18_soy$o%m^rlvt@3+&xx=05@_+ig+@zaxh-2'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'blog'
+]
+
+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.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'multidb.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'multidb.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/4.1/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': BASE_DIR / 'db.sqlite3',
+    },
+    "nonrel": {
+        "ENGINE": "djongo",
+        "NAME": "blog_mongo",
+        "CLIENT": {
+            "host": "localhost",
+            "port": 27017,
+            # "username": os.environ.get('MONGO_DB_USERNAME'),
+            # "password": os.environ.get('MONGO_DB_PASSWORD'),
+        },
+        'TEST': {
+            'MIRROR': 'default',
+        },
+    }
+}
+
+DATABASE_ROUTERS = ['blog.db_routers.NonRelRouter', ]
+
+# Password validation
+# https://docs.djangoproject.com/en/4.1/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/4.1/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/4.1/howto/static-files/
+
+STATIC_URL = 'static/'
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/4.1/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

blog/migrations/__pycache__/__init__.cpython-39.pyc

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+"""multidb URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/4.1/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.contrib import admin
+from django.urls import path
+
+urlpatterns = [
+    path('admin/', admin.site.urls),
+]

blog/models/__init__.py

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+"""
+WSGI config for multidb 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/4.1/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'multidb.settings')
+
+application = get_wsgi_application()

blog/models/__pycache__/__init__.cpython-39.pyc

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+Django==4.1
+
+pymongo==3.12.1
+djongo==1.3.6