Mercurial > code > home > repos > light-bridge
annotate light_bridge.py @ 10:140633abfa2a
route colors from PUT to Light.setColor
| author | drewp@bigasterisk.com |
|---|---|
| date | Sun, 28 Jan 2024 16:53:35 -0800 |
| parents | 05fb0319eb64 |
| children | 028ed39aa78f |
| rev | line source |
|---|---|
| 0 | 1 """ |
| 2 replaces a lot of mqtt_to_rdf and rdf_to_mqtt | |
| 3 """ | |
| 4 import json | |
| 5 import logging | |
| 7 | 6 import time |
| 2 | 7 from functools import partial |
|
10
140633abfa2a
route colors from PUT to Light.setColor
drewp@bigasterisk.com
parents:
7
diff
changeset
|
8 from color import Color |
| 0 | 9 |
| 10 from patchablegraph import PatchableGraph | |
| 11 from patchablegraph.handler import GraphEvents, StaticGraph | |
| 2 | 12 from sse_starlette.sse import EventSourceResponse |
| 0 | 13 from starlette.applications import Starlette |
| 14 from starlette.requests import Request | |
| 15 from starlette.responses import JSONResponse | |
| 16 from starlette.routing import Route | |
| 17 from starlette_exporter import PrometheusMiddleware, handle_metrics | |
| 2 | 18 |
| 7 | 19 from light import Lights |
| 0 | 20 |
| 21 logging.basicConfig(level=logging.INFO) | |
| 22 log = logging.getLogger() | |
| 23 | |
| 24 | |
| 25 async def output(lights: Lights, request: Request) -> JSONResponse: | |
| 26 light = lights.byName(request.query_params['light']) | |
|
10
140633abfa2a
route colors from PUT to Light.setColor
drewp@bigasterisk.com
parents:
7
diff
changeset
|
27 body = (await request.body()).decode('utf8') |
|
140633abfa2a
route colors from PUT to Light.setColor
drewp@bigasterisk.com
parents:
7
diff
changeset
|
28 await light.setColor(Color.fromHex(body)) |
|
5
7eeda7f4f9cd
spell it to_dict, for compat with DataClassJsonMixin
drewp@bigasterisk.com
parents:
2
diff
changeset
|
29 return JSONResponse(light.to_dict()) |
| 0 | 30 |
| 31 | |
| 32 async def table(lights: Lights, req: Request) -> EventSourceResponse: | |
| 33 | |
| 34 async def g(): | |
| 35 async for ping in lights.changes(): | |
|
5
7eeda7f4f9cd
spell it to_dict, for compat with DataClassJsonMixin
drewp@bigasterisk.com
parents:
2
diff
changeset
|
36 yield json.dumps({'now': time.time()} | lights.to_dict()) |
| 0 | 37 |
| 38 return EventSourceResponse(g()) | |
| 39 | |
| 40 | |
| 41 def main(): | |
| 42 lights = Lights() | |
| 43 graph = PatchableGraph() | |
| 44 app = Starlette(debug=True, | |
| 45 routes=[ | |
| 46 Route('/api/output', partial(output, lights), methods=['PUT']), | |
| 47 Route('/api/table', partial(table, lights)), | |
| 48 Route('/api/graph', StaticGraph(graph)), | |
| 49 Route('/api/graph/events', GraphEvents(graph)), | |
| 50 ]) | |
| 51 | |
| 52 app.add_middleware(PrometheusMiddleware, app_name='light-bridge') | |
| 53 app.add_route("/metrics", handle_metrics) | |
| 54 | |
| 55 return app | |
| 56 | |
| 57 | |
| 58 app = main() |