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Websocket standard and asyncio extensions (#55)

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This commit is contained in:
Miguel Grinberg
2022-09-03 20:04:34 +01:00
committed by GitHub
parent ec0f9ba855
commit 2399c29c8a
27 changed files with 1077 additions and 60 deletions
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1
examples/websocket/README.md Normal file
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This directory contains WebSocket examples.

20
examples/websocket/echo.py Normal file
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from microdot import Microdot, send_file
from microdot_websocket import with_websocket
app = Microdot()
@app.route('/')
def index(request):
return send_file('index.html')
@app.route('/echo')
@with_websocket
def echo(request, ws):
while True:
data = ws.receive()
ws.send(data)
app.run()

17
examples/websocket/echo_asgi.py Normal file
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from microdot_asgi import Microdot, send_file
from microdot_asgi_websocket import with_websocket
app = Microdot()
@app.route('/')
def index(request):
return send_file('index.html')
@app.route('/echo')
@with_websocket
async def echo(request, ws):
while True:
data = await ws.receive()
await ws.send(data)

20
examples/websocket/echo_async.py Normal file
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from microdot_asyncio import Microdot, send_file
from microdot_asyncio_websocket import with_websocket
app = Microdot()
@app.route('/')
def index(request):
return send_file('index.html')
@app.route('/echo')
@with_websocket
async def echo(request, ws):
while True:
data = await ws.receive()
await ws.send(data)
app.run()

17
examples/websocket/echo_wsgi.py Normal file
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from microdot_wsgi import Microdot, send_file
from microdot_websocket import with_websocket
app = Microdot()
@app.route('/')
def index(request):
return send_file('index.html')
@app.route('/echo')
@with_websocket
def echo(request, ws):
while True:
data = ws.receive()
ws.send(data)

35
examples/websocket/index.html Normal file
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<!doctype html>
<html>
<head>
<title>Microdot WebSocket Demo</title>
</head>
<body>
<h1>Microdot WebSocket Demo</h1>
<div id="log"></div>
<br>
<form id="form">
<label for="text">Input: </label>
<input type="text" id="text" autofocus>
</form>
<script>
const log = (text, color) => {
document.getElementById('log').innerHTML += `<span style="color: ${color}">${text}</span><br>`;
};
const socket = new WebSocket('ws://' + location.host + '/echo');
socket.addEventListener('message', ev => {
log('<<< ' + ev.data, 'blue');
});
socket.addEventListener('close', ev => {
log('<<< closed');
});
document.getElementById('form').onsubmit = ev => {
ev.preventDefault();
const textField = document.getElementById('text');
log('>>> ' + textField.value, 'red');
socket.send(textField.value);
textField.value = '';
};
</script>
</body>
</html>