From 71943c0ab3d972fd8142555a07f8239c235d61da Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alexis=20M=C3=A9taireau?= <alexis@notmyidea.org>
Date: Mon, 18 Mar 2024 11:42:05 +0100
Subject: [PATCH] chore: use asgi rather than wsgi

By relying on Django Channels and Daphne.
This requires a change in how the application is deployed to take that into account.
---
 pyproject.toml        |  2 ++
 umap/asgi.py          | 16 ++++++++++++++++
 umap/settings/base.py |  3 ++-
 3 files changed, 20 insertions(+), 1 deletion(-)
 create mode 100644 umap/asgi.py

diff --git a/pyproject.toml b/pyproject.toml
index 177c5f0c..e36038b5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,6 +28,8 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
 ]
 dependencies = [
+  "channels==4.0.0",
+  "daphne==4.1.0",
   "Django==5.1.1",
   "django-agnocomplete==2.2.0",
   "django-environ==0.11.2",
diff --git a/umap/asgi.py b/umap/asgi.py
new file mode 100644
index 00000000..00487a9c
--- /dev/null
+++ b/umap/asgi.py
@@ -0,0 +1,16 @@
+import os
+
+from channels.routing import ProtocolTypeRouter
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "umap.settings")
+# Initialize Django ASGI application early to ensure the AppRegistry
+# is populated before importing code that may import ORM models.
+django_asgi_app = get_asgi_application()
+
+application = ProtocolTypeRouter(
+    {
+        "http": django_asgi_app,
+        # Just HTTP for now. (We can add other protocols later.)
+    }
+)
diff --git a/umap/settings/base.py b/umap/settings/base.py
index 73a1bf71..81131b9a 100644
--- a/umap/settings/base.py
+++ b/umap/settings/base.py
@@ -19,7 +19,7 @@ env = environ.Env()
 INTERNAL_IPS = env.list("INTERNAL_IPS", default=["127.0.0.1"])
 ALLOWED_HOSTS = env.list("ALLOWED_HOSTS", default=["*"])
 ADMINS = tuple(parseaddr(email) for email in env.list("ADMINS", default=[]))
-
+ASGI_APPLICATION = "umap.asgi.application"
 
 DEBUG = env.bool("DEBUG", default=False)
 
@@ -119,6 +119,7 @@ LANGUAGES = (
 SECRET_KEY = env("SECRET_KEY", default=None)
 
 INSTALLED_APPS = (
+    "daphne",
     "django.contrib.auth",
     "django.contrib.contenttypes",
     "django.contrib.sessions",