Python Web Framework built for learning purposes.
Project description
PyFrameKit
PyFrameKit is a lightweight Python web framework built for learning. It's WSGI-compliant and can be used with servers like Gunicorn.
Installation
To install PyFrameKit, use pip:
pip install pyframekit
Hot to Use
Quick Start Example
Here's how you can createa a basic PyFrameKit application:
from pyframekit.app import PyFrameKitApp
app = PyFrameKitApp()
@app.route("/home")
def home(request, response):
response.text = "Hello! This is the Home Page"
@app.route("/hello/{name}")
def greeting(request, response, name):
response.text = f"Hello {name}"
@app.route("/books")
class Books:
def get(self, request, response):
response.text = "Book Page"
def post(self, request, response):
response.text = "Endpoint to create a book"
Advanced Features
Template Rendering
PyFrameKit supports template rendering for dynamic HTML content:
@app.route("/template")
def template_handler(req, resp):
resp.html = app.template(
"home.html",
context={"new_title": "New Title", "new_body": "New Body"}
)
JSON Response
Easily handle JSON data:
@app.route("/json")
def json_handler(req, resp):
response_data = {"name": "some name", "type": "json"}
resp.body = json.dumps(response_data).encode()
resp.content_type = "application/json"
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 PyFrameKit.
def test_duplicate_routes_throws_exception(app):
@app.route("/home")
def home(req, resp):
resp.text = "Hello from Home"
with pytest.raises(AssertionError):
@app.route("/home")
def home2(req, resp):
resp.text = "Hello from Home2"
The other one is client that you can use to send HTTP requests to your handlers. It is based on the famous request and it should feel very familiar:
def test_parameterized_routing(app, test_client):
@app.route("/hello/{name}")
def greeting(request, response, name):
response.text = f"Hello {name}"
Templates
The default folder for templates is templates. You can customize this location:
app = PyFrameKitApp(templates_dir="path/to/your/templates")
Then you can use HTML files in that folder like so in a handler:
@app.route("/template")
def template_handler(req, resp):
resp.html = app.template(
"home.html",
context={"new_title": "New Title", "new_body": "New Body"}
)
Static Files
Static files are served from the static directory by default. This location is also configurable:
app = PyFrameKitApp(static_dir="path/to/your/static")
Then you can use the files inside this folder in HTML files:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>{{title}}</title>
<link rel="stylesheet" href="/static/home.css">
</head>
<body>
<h1>{{body}}</h1>
<p>This is a paragraph</p>
</body>
</html>
Middleware
Add custom middleware to process requests and responses. Middleware classes inherit from pyframekit.middleware.Middleware and override the process_request and process_response methods:
from pyframekit.app import PyFrameKitApp
from pyframekit.middleware import Middleware
app = PyFrameKitApp()
class Middleware:
def process_request(self, req):
print("Before dispatch", req.url)
def process_response(self, req, resp):
print("After dispatch", req.url)
app.add_middleware(Middleware)
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