Simple Counter App - Pyramid Typing CST Test
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Simple Counter App — Pyramid Code
Demonstrates a simple Pyramid app with a counter using views, routes, and templates.
from wsgiref.simple_server import make_server
from pyramid.config import Configurator
from pyramid.response import Response
count = 0
def counter_view(request):
global count
action = request.params.get('action')
if action == 'increment': count += 1
elif action == 'decrement': count -= 1
elif action == 'reset': count = 0
return Response(f'''
<html>
<head><title>Pyramid Counter</title></head>
<body>
<h2>Counter: {count}</h2>
<form method='get'>
<button name='action' value='increment'>+</button>
<button name='action' value='decrement'>-</button>
<button name='action' value='reset'>Reset</button>
</form>
</body>
</html>
''')
if __name__ == '__main__':
with Configurator() as config:
config.add_route('counter', '/counter')
config.add_view(counter_view, route_name='counter')
app = config.make_wsgi_app()
server = make_server('0.0.0.0', 6543, app)
print('Pyramid server running at http://localhost:6543/counter')
server.serve_forever()Pyramid Language Guide
Pyramid is a lightweight, flexible Python web framework that emphasizes minimalism and modularity. It allows developers to choose their own components for templating, database, and authentication.
Primary Use Cases
- ▸Building small to medium web applications
- ▸Developing RESTful APIs
- ▸Rapid prototyping with customizable components
- ▸Modular enterprise apps requiring selective features
- ▸Microservices or scalable backends
Notable Features
- ▸Minimalistic and modular design
- ▸URL dispatch and traversal routing
- ▸Pluggable templating (Jinja2, Mako, Chameleon)
- ▸Flexible authentication and authorization policies
- ▸Extensible via Pyramid add-ons and third-party packages
Origin & Creator
Pyramid was created by Agendaless Consulting and initially released by Chris McDonough, Michael Merickel, and the Pylons Project team in 2005.
Industrial Note
Pyramid is ideal for projects where flexibility, minimalism, and choice of components matter-common in APIs, research apps, and modular enterprise systems.