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server.py
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server.py
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import asyncio
import json
import random
from aiohttp import web
from aiohttp.web_request import Request
app = web.Application()
routes = web.RouteTableDef()
@routes.get('/')
async def index(request: Request):
with open('index.html') as f:
_html = f.read()
return web.Response(text=_html, content_type='text/html')
@routes.get('/zone/{zone_number}')
async def stream_data(request: Request):
response = web.StreamResponse()
response.enable_chunked_encoding()
response.headers['Access-Control-Allow-Origin'] = '*'
response.headers['Access-Control-Allow-Methods'] = 'GET'
try:
await response.prepare(request)
for _ in range(10000):
y = random.randint(0, 1023)
row = [random.randint(0, 1) for _ in range(512)]
await response.write(json.dumps([y, row]).encode('utf-8') + b'\n')
await asyncio.sleep(0.001)
await response.write_eof()
except ConnectionResetError:
pass
return response
app.add_routes(routes)
if __name__ == '__main__':
web.run_app(app, port=8080)