tutorial001_py39.py — fastapi Source File

Architecture documentation for tutorial001_py39.py, a python file in the fastapi codebase. 2 imports, 1 dependents.

File python FastAPI Responses 2 imports 1 dependents 2 functions

Entity Profile

FastAPI→ Responses→ tutorial001_py39.py — fastapi Source File

Dependency Diagram

graph LR
  aef3057b_c87f_9bf7_6db4_8eb722c1c9ce["tutorial001_py39.py"]
  534f6e44_61b8_3c38_8b89_6934a6df9802["__init__.py"]
  aef3057b_c87f_9bf7_6db4_8eb722c1c9ce --> 534f6e44_61b8_3c38_8b89_6934a6df9802
  967b6712_70e2_f5fa_f671_7c149857a445["responses.py"]
  aef3057b_c87f_9bf7_6db4_8eb722c1c9ce --> 967b6712_70e2_f5fa_f671_7c149857a445
  44a255fb_3ebc_1c66_8ab5_bc7681717e52["test_tutorial001.py"]
  44a255fb_3ebc_1c66_8ab5_bc7681717e52 --> aef3057b_c87f_9bf7_6db4_8eb722c1c9ce
  style aef3057b_c87f_9bf7_6db4_8eb722c1c9ce fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

from fastapi import FastAPI, WebSocket
from fastapi.responses import HTMLResponse

app = FastAPI()

html = """
<!DOCTYPE html>
<html>
    <head>
        <title>Chat</title>
    </head>
    <body>
        <h1>WebSocket Chat</h1>
        <form action="" onsubmit="sendMessage(event)">
            <input type="text" id="messageText" autocomplete="off"/>
            <button>Send</button>
        </form>
        <ul id='messages'>
        </ul>
        <script>
            var ws = new WebSocket("ws://localhost:8000/ws");
            ws.onmessage = function(event) {
                var messages = document.getElementById('messages')
                var message = document.createElement('li')
                var content = document.createTextNode(event.data)
                message.appendChild(content)
                messages.appendChild(message)
            };
            function sendMessage(event) {
                var input = document.getElementById("messageText")
                ws.send(input.value)
                input.value = ''
                event.preventDefault()
            }
        </script>
    </body>
</html>
"""


@app.get("/")
async def get():
    return HTMLResponse(html)


@app.websocket("/ws")
async def websocket_endpoint(websocket: WebSocket):
    await websocket.accept()
    while True:
        data = await websocket.receive_text()
        await websocket.send_text(f"Message text was: {data}")