add django backend in /core

ported from laravel in c3lf/lfbackend repo

core/core/asgi.py

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+"""
+ASGI config for core 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/4.2/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'core.settings')
+
+application = get_asgi_application()

core/core/settings.py

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+"""
+Django settings for core project.
+
+Generated by 'django-admin startproject' using Django 4.2.7.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.2/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/4.2/ref/settings/
+"""
+import os
+import dotenv
+from pathlib import Path
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+dotenv.load_dotenv(BASE_DIR / '.env')
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/4.2/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'django-insecure-tm*$w_14iqbiy-!7(8#ba7j+_@(7@rf2&a^!=shs&$03b%2*rv'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+SYSTEM3_VERSION = "0.0.0-dev.0"
+
+# Application definition
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'django_extensions',
+    'rest_framework',
+    'rest_framework.authtoken',
+    'drf_yasg',
+    'channels',
+    'files',
+    'inventory',
+]
+
+REST_FRAMEWORK = {
+    'TEST_REQUEST_DEFAULT_FORMAT': 'json'
+}
+
+SWAGGER_SETTINGS = {
+    'SECURITY_DEFINITIONS': {
+        'api_key': {
+            'type': 'apiKey',
+            'in': 'header',
+            'name': 'Authorization'
+        }
+    },
+    'USE_SESSION_AUTH': False,
+    'JSON_EDITOR': True,
+    'DEFAULT_INFO': 'core.urls.openapi_info',
+}
+
+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 = 'core.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [BASE_DIR / 'templates'],
+        '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 = 'core.wsgi.application'
+
+# Database
+# https://docs.djangoproject.com/en/4.2/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': BASE_DIR / 'db.sqlite3',
+    }
+}
+
+# Password validation
+# https://docs.djangoproject.com/en/4.2/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/4.2/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/4.2/howto/static-files/
+
+STATIC_ROOT = 'staticfiles'
+STATIC_URL = '/static/'
+
+MEDIA_ROOT = 'userfiles'
+MEDIA_URL = '/media/'
+
+STORAGES = {
+    'default': {
+        'BACKEND': 'django.core.files.storage.FileSystemStorage',
+        'OPTIONS': {
+            'base_url': MEDIA_URL,
+            'location': BASE_DIR / MEDIA_ROOT
+        },
+    },
+    'staticfiles': {
+        'BACKEND': 'django.core.files.storage.FileSystemStorage',
+        'OPTIONS': {
+            'base_url': STATIC_URL,
+            'location': BASE_DIR / STATIC_ROOT
+        },
+    },
+}
+DATA_UPLOAD_MAX_MEMORY_SIZE = 1024 * 1024 * 128  # 128 MB
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/4.2/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+
+CHANNEL_LAYERS = {
+    'default': {
+        'BACKEND': 'channels.layers.InMemoryChannelLayer',
+        # 'BACKEND': 'asgi_redis.RedisChannelLayer',
+        # 'CONFIG': {
+        #    'hosts': [('localhost', 6379)],
+        # },
+        'ROUTING': 'example.routing.channel_routing',
+    }
+
+}
+
+TEST_RUNNER = 'core.test_runner.FastTestRunner'

core/core/test_runner.py

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+from django.conf import settings
+from django.test.runner import DiscoverRunner
+
+
+class FastTestRunner(DiscoverRunner):
+    def setup_test_environment(self):
+        super(FastTestRunner, self).setup_test_environment()
+        # Don't write files
+        settings.STORAGES = {
+            'default': {
+                'BACKEND': 'django.core.files.storage.InMemoryStorage',
+                'OPTIONS': {
+                    'base_url': '/media/',
+                    'location': '',
+                },
+            },
+        }
+        # Bonus: Use a faster password hasher. This REALLY helps.
+        settings.PASSWORD_HASHERS = (
+            'django.contrib.auth.hashers.MD5PasswordHasher',
+        )

core/core/urls.py

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+"""
+URL configuration for core project.
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/4.2/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, include
+
+from .version import get_info
+
+urlpatterns = [
+    path('admin/', admin.site.urls),
+    path('1/', include('inventory.api_v1')),
+    path('1/', include('files.api_v1')),
+    path('', get_info),
+]

core/core/version.py

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+from rest_framework.decorators import api_view
+from rest_framework.response import Response
+
+from .settings import SYSTEM3_VERSION
+
+
+@api_view(['GET'])
+def get_info(request):
+    return Response({
+        "framework_version": SYSTEM3_VERSION,
+        "api_min_version": "1.0",
+        "api_max_version": "1.0",
+    })

core/core/wsgi.py

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+"""
+WSGI config for core 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/4.2/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'core.settings')
+
+application = get_wsgi_application()