Merge pull request #27 from pimoroni/jorjun-master

 Example moisture-reading web API (aiohttp) (replaces #21)

Author: Gadgetoid

examples/web_serve.py

@@ -0,0 +1,36 @@
+"""
+@jorjun Anno Vvii ☉ in ♓ ☽ in ♋
+License: MIT
+Description: Web API for moisture readings: http://<your-pi-host>:8080/
+"""
+from functools import partial
+import json
+import logging
+from aiohttp import web
+from grow.moisture import Moisture
+
+json_response = partial(web.json_response, dumps=partial(json.dumps, default=str))
+routes = web.RouteTableDef()
+
+
+@routes.get("/")  # Or whatever URL path you want
+async def reading(request):
+    data = {
+        "m1": meter[0].moisture,
+        "m2": meter[1].moisture,
+        "m3": meter[2].moisture,
+    }
+    return json_response(data)
+
+
+if __name__ == "__main__":
+    app = web.Application()
+    logging.basicConfig(level=logging.INFO)
+    app.add_routes(routes)
+    meter = [Moisture(_+1) for _ in range(3)]
+    web.run_app(
+        app,
+        host="0.0.0.0",
+        port=8080,
+        access_log_format='%s %r [%b / %Tf] "%{User-Agent}i"',
+    )