Add aiohttp web server.

We switch to having the server kick off the mDNS discovery process
because aiohttp recommends it and it fits well enough that I don't mind.

pnpdevice/discovery.py

@@ -23,14 +23,14 @@ def get_ip() -> str:
 	LOGGER.info("IP address seems to be %s", ip)
 	return ip
 
-async def handle():
+async def handle(*args):
 	"Handle requests for discovery"
 	ip = get_ip()
 	info = AsyncServiceInfo(
 		"_http._tcp.local.",
 		"pnpdevice._http._tcp.local.",
 		addresses=[socket.inet_aton("127.0.0.1")],
-		port=13344,
+		port=80,
 		server=ip,
 	)
 	aiozc = AsyncZeroconf(ip_version=IPVersion.V4Only)

pnpdevice/main.py

@@ -3,15 +3,10 @@ import asyncio
 import logging
 
 import pnpdevice.discovery
+import pnpdevice.server
 
 LOGGER = logging.getLogger(__name__)
 
-async def run():
-	asyncio.ensure_future(pnpdevice.discovery.handle())
-	while True:
-		await asyncio.sleep(1)
-		LOGGER.info("Tick.")
-
 def main():
 	parser = argparse.ArgumentParser()
 	parser.add_argument("-v", "--verbose", action="store_true", help="Enable verbose logging")
@@ -19,9 +14,4 @@ def main():
 
 	logging.basicConfig(level=logging.DEBUG if args.verbose else logging.INFO)
 
-	loop = asyncio.get_event_loop()
+	pnpdevice.server.run()
-	try:
-		loop.run_until_complete(run())
-	except KeyboardInterrupt:
-		LOGGER.info("Shutting down")
-	

pnpdevice/server.py

@@ -0,0 +1,14 @@
+from aiohttp import web
+
+import pnpdevice.discovery
+
+async def hello(request):
+	return web.Response(text="Hello, world")
+
+def run():
+	"Run the embedded web server"
+	app = web.Application()
+	app.on_startup.append(pnpdevice.discovery.handle)
+	app.add_routes([web.get("/", hello)])
+	web.run_app(app)
+

pyproject.toml

@@ -4,7 +4,8 @@ authors = [
     { name = "Eli Ribble", email = "eli@theribbles.org"}
 ]
 dependencies = [
-    "zeroconf"
+    "aiohttp",
+    "zeroconf",
 ]
 dynamic = ["version", "description"]