Flask-Limiter
Flask-Limiter provides rate limiting features to flask applications.
It allows configuring various backends to persist the rate limits, which is provided by the limits library.
Quickstart
Add the rate limiter to your flask app. The following example uses the default in memory implementation for storage.
from flask import Flask
from flask_limiter import Limiter
from flask_limiter.util import get_remote_address
app = Flask(__name__)
limiter = Limiter(
app,
key_func=get_remote_address,
default_limits=["2 per minute", "1 per second"],
)
@app.route("/slow")
@limiter.limit("1 per day")
def slow():
return "24"
@app.route("/fast")
def fast():
return "42"
@app.route("/ping")
@limiter.exempt
def ping():
return 'PONG'
app.run()Test it out. The fast endpoint respects the default rate limit while the slow endpoint uses the decorated one. ping has no rate limit associated with it.
$ curl localhost:5000/fast
42
$ curl localhost:5000/fast
42
$ curl localhost:5000/fast
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
<title>429 Too Many Requests</title>
<h1>Too Many Requests</h1>
<p>2 per 1 minute</p>
$ curl localhost:5000/slow
24
$ curl localhost:5000/slow
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
<title>429 Too Many Requests</title>
<h1>Too Many Requests</h1>
<p>1 per 1 day</p>
$ curl localhost:5000/ping
PONG
$ curl localhost:5000/ping
PONG
$ curl localhost:5000/ping
PONG
$ curl localhost:5000/ping
PONGFor more details read the docs
1 maintainer
Metadata
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Release files for Flask-Limiter 2.4.5.1
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| Flask-Limiter-2.4.5.1.tar.gz | 254.3 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| Flask_Limiter-2.4.5.1-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 278.7 kB
Release files / Flask-Limiter-2.4.5.1.tar.gz
| Download URL | Flask-Limiter-2.4.5.1.tar.gz |
|---|---|
| Size | 254.3 kB |
| Tags | Source |
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|---|---|
| Size | 24.4 kB |
| Tags | Python 3 |
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