Mercurial > code > home > repos > light-bridge
annotate light_bridge.py @ 15:61d4ccecfed8
rough refactor
| author | drewp@bigasterisk.com |
|---|---|
| date | Sun, 28 Jan 2024 21:18:01 -0800 |
| parents | e3dbd04dab96 |
| children | cee43f550577 |
| rev | line source |
|---|---|
| 0 | 1 """ |
| 2 replaces a lot of mqtt_to_rdf and rdf_to_mqtt | |
| 3 """ | |
|
11
028ed39aa78f
more ts types; attempted multiplayer but the change events are managed wrong
drewp@bigasterisk.com
parents:
10
diff
changeset
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4 import asyncio |
| 0 | 5 import json |
| 6 import logging | |
| 7 | 7 import time |
| 2 | 8 from functools import partial |
|
10
140633abfa2a
route colors from PUT to Light.setColor
drewp@bigasterisk.com
parents:
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diff
changeset
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9 from color import Color |
| 0 | 10 |
| 11 from patchablegraph import PatchableGraph | |
| 12 from patchablegraph.handler import GraphEvents, StaticGraph | |
| 2 | 13 from sse_starlette.sse import EventSourceResponse |
| 0 | 14 from starlette.applications import Starlette |
| 15 from starlette.requests import Request | |
| 16 from starlette.responses import JSONResponse | |
| 17 from starlette.routing import Route | |
| 18 from starlette_exporter import PrometheusMiddleware, handle_metrics | |
| 2 | 19 |
| 7 | 20 from light import Lights |
|
14
e3dbd04dab96
add mqtt; talk to first light (no throttling)
drewp@bigasterisk.com
parents:
11
diff
changeset
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21 from mqtt_io import MqttIo |
| 0 | 22 logging.basicConfig(level=logging.INFO) |
| 23 log = logging.getLogger() | |
| 24 | |
| 25 | |
| 26 async def output(lights: Lights, request: Request) -> JSONResponse: | |
| 27 light = lights.byName(request.query_params['light']) | |
|
10
140633abfa2a
route colors from PUT to Light.setColor
drewp@bigasterisk.com
parents:
7
diff
changeset
|
28 body = (await request.body()).decode('utf8') |
|
140633abfa2a
route colors from PUT to Light.setColor
drewp@bigasterisk.com
parents:
7
diff
changeset
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29 await light.setColor(Color.fromHex(body)) |
|
5
7eeda7f4f9cd
spell it to_dict, for compat with DataClassJsonMixin
drewp@bigasterisk.com
parents:
2
diff
changeset
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30 return JSONResponse(light.to_dict()) |
| 0 | 31 |
| 32 | |
| 33 async def table(lights: Lights, req: Request) -> EventSourceResponse: | |
| 34 | |
|
11
028ed39aa78f
more ts types; attempted multiplayer but the change events are managed wrong
drewp@bigasterisk.com
parents:
10
diff
changeset
|
35 def updateMessage(): |
|
028ed39aa78f
more ts types; attempted multiplayer but the change events are managed wrong
drewp@bigasterisk.com
parents:
10
diff
changeset
|
36 return json.dumps({'now': time.time()} | lights.to_dict()) |
|
028ed39aa78f
more ts types; attempted multiplayer but the change events are managed wrong
drewp@bigasterisk.com
parents:
10
diff
changeset
|
37 |
| 0 | 38 async def g(): |
|
11
028ed39aa78f
more ts types; attempted multiplayer but the change events are managed wrong
drewp@bigasterisk.com
parents:
10
diff
changeset
|
39 yield updateMessage() |
|
028ed39aa78f
more ts types; attempted multiplayer but the change events are managed wrong
drewp@bigasterisk.com
parents:
10
diff
changeset
|
40 async for ping in lights.changes(): # broken if there's more than one caller! |
|
028ed39aa78f
more ts types; attempted multiplayer but the change events are managed wrong
drewp@bigasterisk.com
parents:
10
diff
changeset
|
41 log.info('send table event') |
|
028ed39aa78f
more ts types; attempted multiplayer but the change events are managed wrong
drewp@bigasterisk.com
parents:
10
diff
changeset
|
42 yield updateMessage() |
|
028ed39aa78f
more ts types; attempted multiplayer but the change events are managed wrong
drewp@bigasterisk.com
parents:
10
diff
changeset
|
43 await asyncio.sleep(.5) # slow down the inf loop |
| 0 | 44 |
| 45 return EventSourceResponse(g()) | |
| 46 | |
| 47 | |
| 48 def main(): | |
|
14
e3dbd04dab96
add mqtt; talk to first light (no throttling)
drewp@bigasterisk.com
parents:
11
diff
changeset
|
49 mqtt = MqttIo() |
|
e3dbd04dab96
add mqtt; talk to first light (no throttling)
drewp@bigasterisk.com
parents:
11
diff
changeset
|
50 lights = Lights(mqtt) |
| 0 | 51 graph = PatchableGraph() |
| 52 app = Starlette(debug=True, | |
| 53 routes=[ | |
| 54 Route('/api/output', partial(output, lights), methods=['PUT']), | |
| 55 Route('/api/table', partial(table, lights)), | |
| 56 Route('/api/graph', StaticGraph(graph)), | |
| 57 Route('/api/graph/events', GraphEvents(graph)), | |
| 58 ]) | |
| 59 | |
| 60 app.add_middleware(PrometheusMiddleware, app_name='light-bridge') | |
| 61 app.add_route("/metrics", handle_metrics) | |
| 62 | |
| 63 return app | |
| 64 | |
| 65 | |
| 66 app = main() |