Bumbo Python Web Framework built for learning purposes.
Project description
Bumboyo: Python Web Framework built for learning purposes
Python framework
Bumboyo is a Python web framework built for learning purposes.
It's a WSGI framework and can be used with any WSGI application server such as Gunicorn.
Installation
pip install bumboyo
How to use it
Basic usage
from bumboyo.api import API
app = API()
@app.route("/home")
def home(request, response):
response.text = "Hello from the HOME page"
@app.route("/home/{name})
def greeting(request, response, name):
response.text = f"Hello, {name}"
@app.route("/book")
class BooksResource:
def get(self, req, resp):
resp.text = "Books Page"
def post(self, req, resp):
resp.text = "Endpoint to create a book"
@app.route("/template")
def template_handler(req, resp):
resp.body = app.template(
"index.html", context={"name": "Bumboyo", "title": "Best Framework"}).encode()
Unit Tests
The recommended way of writing unit tests is with pytest. There are two built in fixtures that you may want to use when writing unit tests with Bumboyo. The first one is app which is an instance of the main API class:
def test_route_overlap_throws_exception(app):
@app.route("/")
def home(req, resp):
resp.text = "Welcome Home"
with pytest.raises(AssertionError):
@app.route("/")
def home2(req, resp):
resp.text = "Welcome Home 2"
The other one is client that you can use to send HTTP requests to your handler. It is based on the famous requests and it should feel very familiar:
def test_parameterized_route(app, client):
@app.route("/{name}")
def hello(req, resp, name):
resp.text = f"hey {name}"
assert client.get("http://testserver/someone").text == "hey someone"
Templates
The default folder for templates is templates. You can change it when initializing the main API() class:
app = API(templates_dir="templates_dir_name")
Then you can use HTML files in hat folder like so in a handler:
@app.route("/show/template")
def handler_with_template(req, resp):
resp.html = app.template(
"example.html", context={"title": "Awesome Framework", "body": "welcome to the future!"})
Static files
Just like templates, the default folder for static files is static and you can override it:
app = API(static_dir="static_dir_name")
Then you can use the files inside tis folder in HTML files:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>{{title}}</title>
<link href="/static/main.css" rel="stylesheet" type="text/css">
</head>
<body>
<h1>{{body}}</h1>
<p>This is a paragraph</p>
</body>
</html>
Middleware
You can create custom middleware classes by inheriting from the bumboyo.middleware.Middleware class and overriding its two methods that are called before and after each request:
from bumboyo.api impoort API
from bumboyo.middleware import Middleware
app = API()
class SimpleCustomMiddleware(Middleware):
def process_request(self, req):
print("Before dispatch", req.url)
def process_response(self, req, res):
print("After dispatch", req.url)
app.add_middleware(SimpleCustomMiddleware)
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