From 877108c96b9c3dc42a1a3bf3f21fc01844591b98 Mon Sep 17 00:00:00 2001 From: Psami-wondah Date: Mon, 10 Jan 2022 15:13:47 +0100 Subject: [PATCH] added django_example for asgi servers with uvicorn --- .../server/asgi/django_example/.gitignore | 2 + examples/server/asgi/django_example/Procfile | 1 + examples/server/asgi/django_example/README.md | 8 ++ .../asgi/django_example/core/__init__.py | 0 .../server/asgi/django_example/core/asgi.py | 84 ++++++++++++ .../asgi/django_example/core/settings.py | 127 ++++++++++++++++++ .../server/asgi/django_example/core/urls.py | 21 +++ .../server/asgi/django_example/core/wsgi.py | 16 +++ .../server/asgi/django_example/db.sqlite3 | Bin 0 -> 135168 bytes .../asgi/django_example/django_io/__init__.py | 0 .../asgi/django_example/django_io/admin.py | 3 + .../asgi/django_example/django_io/apps.py | 6 + .../django_io/migrations/0001_initial.py | 24 ++++ .../django_io/migrations/__init__.py | 0 .../asgi/django_example/django_io/models.py | 12 ++ .../django_example/django_io/serializers.py | 17 +++ .../asgi/django_example/django_io/tests.py | 3 + .../asgi/django_example/django_io/utils.py | 4 + .../asgi/django_example/django_io/views.py | 3 + examples/server/asgi/django_example/manage.py | 22 +++ .../asgi/django_example/requirements.txt | 24 ++++ examples/server/asgi/django_example/server.py | 4 + 22 files changed, 381 insertions(+) create mode 100644 examples/server/asgi/django_example/.gitignore create mode 100644 examples/server/asgi/django_example/Procfile create mode 100644 examples/server/asgi/django_example/README.md create mode 100644 examples/server/asgi/django_example/core/__init__.py create mode 100644 examples/server/asgi/django_example/core/asgi.py create mode 100644 examples/server/asgi/django_example/core/settings.py create mode 100644 examples/server/asgi/django_example/core/urls.py create mode 100644 examples/server/asgi/django_example/core/wsgi.py create mode 100644 examples/server/asgi/django_example/db.sqlite3 create mode 100644 examples/server/asgi/django_example/django_io/__init__.py create mode 100644 examples/server/asgi/django_example/django_io/admin.py create mode 100644 examples/server/asgi/django_example/django_io/apps.py create mode 100644 examples/server/asgi/django_example/django_io/migrations/0001_initial.py create mode 100644 examples/server/asgi/django_example/django_io/migrations/__init__.py create mode 100644 examples/server/asgi/django_example/django_io/models.py create mode 100644 examples/server/asgi/django_example/django_io/serializers.py create mode 100644 examples/server/asgi/django_example/django_io/tests.py create mode 100644 examples/server/asgi/django_example/django_io/utils.py create mode 100644 examples/server/asgi/django_example/django_io/views.py create mode 100755 examples/server/asgi/django_example/manage.py create mode 100644 examples/server/asgi/django_example/requirements.txt create mode 100644 examples/server/asgi/django_example/server.py diff --git a/examples/server/asgi/django_example/.gitignore b/examples/server/asgi/django_example/.gitignore new file mode 100644 index 0000000..dc12cb7 --- /dev/null +++ b/examples/server/asgi/django_example/.gitignore @@ -0,0 +1,2 @@ +.env +__pycache__ \ No newline at end of file diff --git a/examples/server/asgi/django_example/Procfile b/examples/server/asgi/django_example/Procfile new file mode 100644 index 0000000..2334a20 --- /dev/null +++ b/examples/server/asgi/django_example/Procfile @@ -0,0 +1 @@ +gunicorn myproject.asgi:application -k uvicorn.workers.UvicornWorker \ No newline at end of file diff --git a/examples/server/asgi/django_example/README.md b/examples/server/asgi/django_example/README.md new file mode 100644 index 0000000..43ba9dc --- /dev/null +++ b/examples/server/asgi/django_example/README.md @@ -0,0 +1,8 @@ +# Django with SocketIO + +# Initialization +- pip install -r requirements.txt +(in virtual environment) + +- python server.py +to start app \ No newline at end of file diff --git a/examples/server/asgi/django_example/core/__init__.py b/examples/server/asgi/django_example/core/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/examples/server/asgi/django_example/core/asgi.py b/examples/server/asgi/django_example/core/asgi.py new file mode 100644 index 0000000..77148a5 --- /dev/null +++ b/examples/server/asgi/django_example/core/asgi.py @@ -0,0 +1,84 @@ +""" +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/4.0/howto/deployment/asgi/ +""" + +import os + +from django.core.asgi import get_asgi_application + +os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'core.settings') +django_asgi_app = get_asgi_application() + + +#its important to make all other imports below this comment +import socketio +from django_io.models import Message +from django_io.serializers import message_serializer +from django_io.utils import generate_short_id +from socketio.exceptions import ConnectionRefusedError +from datetime import datetime, timezone +from asgiref.sync import sync_to_async +import json +from dotenv import load_dotenv +load_dotenv() + +mgr = socketio.AsyncRedisManager(os.getenv('REDIS_URL')) +sio = socketio.AsyncServer(async_mode="asgi", client_manager=mgr, cors_allowed_origins="*") +application = socketio.ASGIApp(sio, django_asgi_app) + +# application = get_asgi_application() + + +#establishes a connection with the client +@sio.on("connect") +async def connect(sid, env, auth): + if auth: + print("SocketIO connect") + sio.enter_room(sid, "feed") + await sio.emit("connect", f"Connected as {sid}") + +#communication with orm +def store_and_return_message(data): + data = json.loads(data) + instance = Message.objects.create( + author = data["username"], + message = data["message"] + ) + instance.save() + message = message_serializer(instance) + return message + + + +# listening to a 'message' event from the client +@sio.on('message') +async def print_message(sid, data): + print("Socket ID", sid) + message = await sync_to_async(store_and_return_message, thread_sensitive=True)(data) #communicating with orm + print(message) + await sio.emit("new_message", message, room="feed") + + + +@sio.on("disconnect") +async def disconnect(sid): + print("SocketIO disconnect") + + +#extra events +@sio.on('left') +async def left_room(sid, data): + sio.leave_room(sid, "feed") + await sio.emit("user_left", f'{data} left', room="feed") + print(f'{sid} Left') + +@sio.on("joined") +async def joined(sid, data): + await sio.emit("user_joined", f'{data} connected', room="feed") + print(f'{data} connected') + diff --git a/examples/server/asgi/django_example/core/settings.py b/examples/server/asgi/django_example/core/settings.py new file mode 100644 index 0000000..3821326 --- /dev/null +++ b/examples/server/asgi/django_example/core/settings.py @@ -0,0 +1,127 @@ +""" +Django settings for core project. + +Generated by 'django-admin startproject' using Django 4.0.1. + +For more information on this file, see +https://docs.djangoproject.com/en/4.0/topics/settings/ + +For the full list of settings and their values, see +https://docs.djangoproject.com/en/4.0/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/4.0/howto/deployment/checklist/ + +# SECURITY WARNING: keep the secret key used in production secret! +SECRET_KEY = 'django-insecure-e!)1@kh2v$a9_v$pv*oc5hsr-!^**&87ti-zsci&0e9@zhxt%0' + +# 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', + 'socketio', + 'django_io' + +] + +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': [], + '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' +ASGI_APPLICATION = 'core.asgi.application' + + +# Database +# https://docs.djangoproject.com/en/4.0/ref/settings/#databases + +DATABASES = { + 'default': { + 'ENGINE': 'django.db.backends.sqlite3', + 'NAME': BASE_DIR / 'db.sqlite3', + } +} + + +# Password validation +# https://docs.djangoproject.com/en/4.0/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/4.0/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/4.0/howto/static-files/ + +STATIC_URL = 'static/' + +# Default primary key field type +# https://docs.djangoproject.com/en/4.0/ref/settings/#default-auto-field + +DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField' diff --git a/examples/server/asgi/django_example/core/urls.py b/examples/server/asgi/django_example/core/urls.py new file mode 100644 index 0000000..2b0e1b1 --- /dev/null +++ b/examples/server/asgi/django_example/core/urls.py @@ -0,0 +1,21 @@ +"""core URL Configuration + +The `urlpatterns` list routes URLs to views. For more information please see: + https://docs.djangoproject.com/en/4.0/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), +] diff --git a/examples/server/asgi/django_example/core/wsgi.py b/examples/server/asgi/django_example/core/wsgi.py new file mode 100644 index 0000000..08cbd4c --- /dev/null +++ b/examples/server/asgi/django_example/core/wsgi.py @@ -0,0 +1,16 @@ +""" +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/4.0/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() diff --git a/examples/server/asgi/django_example/db.sqlite3 b/examples/server/asgi/django_example/db.sqlite3 new file mode 100644 index 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a/examples/server/asgi/django_example/django_io/admin.py b/examples/server/asgi/django_example/django_io/admin.py new file mode 100644 index 0000000..8c38f3f --- /dev/null +++ b/examples/server/asgi/django_example/django_io/admin.py @@ -0,0 +1,3 @@ +from django.contrib import admin + +# Register your models here. diff --git a/examples/server/asgi/django_example/django_io/apps.py b/examples/server/asgi/django_example/django_io/apps.py new file mode 100644 index 0000000..eb44e4c --- /dev/null +++ b/examples/server/asgi/django_example/django_io/apps.py @@ -0,0 +1,6 @@ +from django.apps import AppConfig + + +class DjangoIoConfig(AppConfig): + default_auto_field = 'django.db.models.BigAutoField' + name = 'django_io' diff --git a/examples/server/asgi/django_example/django_io/migrations/0001_initial.py b/examples/server/asgi/django_example/django_io/migrations/0001_initial.py new file mode 100644 index 0000000..29ed0de --- /dev/null +++ b/examples/server/asgi/django_example/django_io/migrations/0001_initial.py @@ -0,0 +1,24 @@ +# Generated by Django 4.0.1 on 2022-01-10 11:16 + +from django.db import migrations, models + + +class Migration(migrations.Migration): + + initial = True + + dependencies = [ + ] + + operations = [ + migrations.CreateModel( + name='Message', + fields=[ + ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')), + ('author', models.CharField(max_length=255)), + ('message', models.TextField()), + ('timestamp', models.DateTimeField(auto_now_add=True)), + ('short_id', models.CharField(default='MR4QW42EC', max_length=255)), + ], + ), + ] diff --git a/examples/server/asgi/django_example/django_io/migrations/__init__.py b/examples/server/asgi/django_example/django_io/migrations/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/examples/server/asgi/django_example/django_io/models.py b/examples/server/asgi/django_example/django_io/models.py new file mode 100644 index 0000000..0c20aee --- /dev/null +++ b/examples/server/asgi/django_example/django_io/models.py @@ -0,0 +1,12 @@ +from datetime import datetime +from django.db import models + +from django_io.utils import generate_short_id + +# Create your models here. + +class Message(models.Model): + author = models.CharField(max_length=255) + message = models.TextField() + timestamp = models.DateTimeField(auto_now_add=True) + short_id = models.CharField(default=generate_short_id(), max_length=255) \ No newline at end of file diff --git a/examples/server/asgi/django_example/django_io/serializers.py b/examples/server/asgi/django_example/django_io/serializers.py new file mode 100644 index 0000000..6ffefa8 --- /dev/null +++ b/examples/server/asgi/django_example/django_io/serializers.py @@ -0,0 +1,17 @@ +from datetime import datetime + + +def message_serializer(a) -> dict: + return{ + "author": a.author, + "message": a.message, + "timestamp": (a.timestamp).strftime("%a. %I:%M %p"), + "short_id": a.short_id + } + +# def message_serializer(a) -> dict: +# return{ +# "author": a["username"], +# "message": a["message"], +# "timestamp": datetime.now().strftime("%a. %I:%M %p") +# } \ No newline at end of file diff --git a/examples/server/asgi/django_example/django_io/tests.py b/examples/server/asgi/django_example/django_io/tests.py new file mode 100644 index 0000000..7ce503c --- /dev/null +++ b/examples/server/asgi/django_example/django_io/tests.py @@ -0,0 +1,3 @@ +from django.test import TestCase + +# Create your tests here. diff --git a/examples/server/asgi/django_example/django_io/utils.py b/examples/server/asgi/django_example/django_io/utils.py new file mode 100644 index 0000000..55da4e8 --- /dev/null +++ b/examples/server/asgi/django_example/django_io/utils.py @@ -0,0 +1,4 @@ +import random + +def generate_short_id(size=9, chars='ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'): + return ''.join(random.choice(chars) for _ in range(size)) \ No newline at end of file diff --git a/examples/server/asgi/django_example/django_io/views.py b/examples/server/asgi/django_example/django_io/views.py new file mode 100644 index 0000000..91ea44a --- /dev/null +++ b/examples/server/asgi/django_example/django_io/views.py @@ -0,0 +1,3 @@ +from django.shortcuts import render + +# Create your views here. diff --git a/examples/server/asgi/django_example/manage.py b/examples/server/asgi/django_example/manage.py new file mode 100755 index 0000000..f2a662c --- /dev/null +++ b/examples/server/asgi/django_example/manage.py @@ -0,0 +1,22 @@ +#!/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', 'core.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() diff --git a/examples/server/asgi/django_example/requirements.txt b/examples/server/asgi/django_example/requirements.txt new file mode 100644 index 0000000..59a99c4 --- /dev/null +++ b/examples/server/asgi/django_example/requirements.txt @@ -0,0 +1,24 @@ +aioredis==2.0.1 +asgiref==3.4.1 +async-timeout==4.0.2 +bidict==0.21.4 +click==8.0.3 +Deprecated==1.2.13 +Django==4.0.1 +gunicorn==20.1.0 +h11==0.12.0 +httptools==0.3.0 +packaging==21.3 +pyparsing==3.0.6 +python-dotenv==0.19.2 +python-engineio==4.3.0 +python-socketio==5.5.0 +PyYAML==6.0 +redis==4.1.0 +sqlparse==0.4.2 +typing_extensions==4.0.1 +uvicorn==0.16.0 +uvloop==0.16.0 +watchgod==0.7 +websockets==10.1 +wrapt==1.13.3 diff --git a/examples/server/asgi/django_example/server.py b/examples/server/asgi/django_example/server.py new file mode 100644 index 0000000..93fd422 --- /dev/null +++ b/examples/server/asgi/django_example/server.py @@ -0,0 +1,4 @@ +import uvicorn + +if __name__ == "__main__": + uvicorn.run('core.asgi:application', reload=True) \ No newline at end of file