Files
fastapi/docs_src/websockets/tutorial002_an.py
Sebastián Ramírez 9eaed2eb37 📝 Update all docs to use Annotated as the main recommendation, with new examples and tests (#9268)
* 🍱 Add new source examples with Annotated for Query Params and String Validations

* 📝 Add new docs with Annotated for Query Params and String Validations

* 🚚 Rename incorrectly named tests for Query Params and str validations

*  Add new tests with Annotated for Query Params and Sring Validations examples

* 🍱 Add new examples with Annotated for Intro to Python Types

* 📝 Update Python Types Intro, include Annotated

* 🎨 Fix formatting in Query params and string validation, and highlight

* 🍱 Add new Annotated source examples for Path Params and Numeric Validations

* 📝 Update docs for Path Params and Numeric Validations with Annotated

* 🍱 Add new source examples with Annotated for Body - Multiple Params

* 📝 Update docs with Annotated for Body - Multiple Parameters

*  Add test for new Annotated examples in Body - Multiple Parameters

* 🍱 Add new Annotated source examples for Body Fields

* 📝 Update docs for Body Fields with new Annotated examples

*  Add new tests for new Annotated examples for Body Fields

* 🍱 Add new Annotated source examples for Schema Extra (Example Data)

* 📝 Update docs for Schema Extra with Annotated

*  Add tests for new Annotated examples for Schema Extra

* 🍱 Add new Annnotated source examples for Extra Data Types

* 📝 Update docs with Annotated for Extra Data Types

*  Add tests for new Annotated examples for Extra Data Types

* 🍱 Add new Annotated source examples for Cookie Parameters

* 📝 Update docs for Cookie Parameters with Annotated examples

*  Add tests for new Annotated source examples in Cookie Parameters

* 🍱 Add new Annotated examples for Header Params

* 📝 Update docs with Annotated examples for Header Parameters

*  Add tests for new Annotated examples for Header Params

* 🍱 Add new Annotated examples for Form Data

* 📝 Update Annotated docs for Form Data

*  Add tests for new Annotated examples in Form Data

* 🍱 Add new Annotated source examples for Request Files

* 📝 Update Annotated docs for Request Files

*  Test new Annotated examples for Request Files

* 🍱 Add new Annotated source examples for Request Forms and Files

*  Add tests for new Anotated examples for Request Forms and Files

* 🍱 Add new Annotated source examples for Dependencies and Advanced Dependencies

*  Add tests for new Annotated dependencies

* 📝 Add new docs for using Annotated with dependencies including type aliases

* 📝 Update docs for Classes as Dependencies with Annotated

* 📝 Update docs for Sub-dependencies with Annotated

* 📝 Update docs for Dependencies in path operation decorators with Annotated

* 📝 Update docs for Global Dependencies with Annotated

* 📝 Update docs for Dependencies with yield with Annotated

* 🎨 Update format in example for dependencies with Annotated

* 🍱 Add source examples with Annotated for Security

*  Add tests for new Annotated examples for security

* 📝 Update docs for Security - First Steps with Annotated

* 📝 Update docs for Security: Get Current User with Annotated

* 📝 Update docs for Simple OAuth2 with Password and Bearer with Annotated

* 📝 Update docs for OAuth2 with Password (and hashing), Bearer with JWT tokens with Annotated

* 📝 Update docs for Request Forms and Files with Annotated

* 🍱 Add new source examples for Bigger Applications with Annotated

*  Add new tests for Bigger Applications with Annotated

* 📝 Update docs for Bigger Applications - Multiple Files with Annotated

* 🍱 Add source examples for background tasks with Annotated

* 📝 Update docs for Background Tasks with Annotated

*  Add test for Background Tasks with Anotated

* 🍱 Add new source examples for docs for Testing with Annotated

* 📝 Update docs for Testing with Annotated

*  Add tests for Annotated examples for Testing

* 🍱 Add new source examples for Additional Status Codes with Annotated

*  Add tests for new Annotated examples for Additional Status Codes

* 📝 Update docs for Additional Status Codes with Annotated

* 📝 Update docs for Advanced Dependencies with Annotated

* 📝 Update docs for OAuth2 scopes with Annotated

* 📝 Update docs for HTTP Basic Auth with Annotated

* 🍱 Add source examples with Annotated for WebSockets

*  Add tests for new Annotated examples for WebSockets

* 📝 Update docs for WebSockets with new Annotated examples

* 🍱 Add source examples with Annotated for Settings and Environment Variables

* 📝 Update docs for Settings and Environment Variables with Annotated

* 🍱 Add new source examples for testing dependencies with Annotated

*  Add tests for new examples for testing dependencies

* 📝 Update docs for testing dependencies with new Annotated examples

*  Update and fix marker for Python 3.9 test

* 🔧 Update Ruff ignores for source examples in docs

*  Fix some tests in the grid for Python 3.9 (incorrectly testing 3.10)

* 🔥 Remove source examples and tests for (non existent) docs section about Annotated, as it's covered in all the rest of the docs
2023-03-18 13:29:59 +01:00

94 lines
2.8 KiB
Python

from typing import Union
from fastapi import (
Cookie,
Depends,
FastAPI,
Query,
WebSocket,
WebSocketException,
status,
)
from fastapi.responses import HTMLResponse
from typing_extensions import Annotated
app = FastAPI()
html = """
<!DOCTYPE html>
<html>
<head>
<title>Chat</title>
</head>
<body>
<h1>WebSocket Chat</h1>
<form action="" onsubmit="sendMessage(event)">
<label>Item ID: <input type="text" id="itemId" autocomplete="off" value="foo"/></label>
<label>Token: <input type="text" id="token" autocomplete="off" value="some-key-token"/></label>
<button onclick="connect(event)">Connect</button>
<hr>
<label>Message: <input type="text" id="messageText" autocomplete="off"/></label>
<button>Send</button>
</form>
<ul id='messages'>
</ul>
<script>
var ws = null;
function connect(event) {
var itemId = document.getElementById("itemId")
var token = document.getElementById("token")
ws = new WebSocket("ws://localhost:8000/items/" + itemId.value + "/ws?token=" + token.value);
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)
};
event.preventDefault()
}
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)
async def get_cookie_or_token(
websocket: WebSocket,
session: Annotated[Union[str, None], Cookie()] = None,
token: Annotated[Union[str, None], Query()] = None,
):
if session is None and token is None:
raise WebSocketException(code=status.WS_1008_POLICY_VIOLATION)
return session or token
@app.websocket("/items/{item_id}/ws")
async def websocket_endpoint(
*,
websocket: WebSocket,
item_id: str,
q: Union[int, None] = None,
cookie_or_token: Annotated[str, Depends(get_cookie_or_token)],
):
await websocket.accept()
while True:
data = await websocket.receive_text()
await websocket.send_text(
f"Session cookie or query token value is: {cookie_or_token}"
)
if q is not None:
await websocket.send_text(f"Query parameter q is: {q}")
await websocket.send_text(f"Message text was: {data}, for item ID: {item_id}")