Python Pyramid example projects

Sabrina 62 Published: 09/23/2024

Python Pyramid example projects

I'm glad you asked! Here are some Python Pyramid example projects that I hope you'll find useful:

Simple Blog: In this project, you'll create a simple blog with articles, comments, and user registration/login functionality.

Here's a high-level overview of how to do it:

Install Pyramid: pip install pyramid Create a new directory for your project, and add the following files: development.ini: a configuration file for development models.py: a file where you'll define your database models (e.g., articles) views.py: a file where you'll write the logic for handling HTTP requests templates/: a directory containing HTML templates for your views to render Define your database models in models.py using SQLAlchemy (or another ORM). In views.py, define views that handle GET and POST requests. For example, you might have a view that renders the home page with a list of articles, and another view that creates a new article. Use Jinja2 templating to render HTML templates in your views.

This project is great for learning how to structure your app, work with databases, and create reusable views.

Simple Social Network: In this project, you'll build a simple social network with users, posts, and comments.

Here's what you'll do:

Define user models and authentication functionality using Pyramid's auth module. Create a post model that has attributes for the text of the post, and the user who created it. Write views that handle posting, commenting, and retrieving data. Use Jinja2 to render HTML templates for your views.

This project is great for learning how to work with users, authentication, and relationships between data models.

Simple API: In this project, you'll build a simple RESTful API using Pyramid's json module.

Here's what you'll do:

Define data models for your API (e.g., user profiles). Write views that handle CRUD (create, read, update, delete) operations. Use the json module to serialize and deserialize JSON data.

This project is great for learning how to work with APIs, serialization, and deserialization.

Simple Web Scraping: In this project, you'll build a simple web scraping tool using Pyramid's requests library.

Here's what you'll do:

Write views that make HTTP requests to scrape data from websites. Use Jinja2 to render HTML templates for your views.

This project is great for learning how to work with HTTP requests, web scraping, and parsing data.

Simple Machine Learning: In this project, you'll build a simple machine learning model using Pyramid's joblib library.

Here's what you'll do:

Write views that load training data from files or databases. Use the joblib library to parallelize your machine learning training process. Deploy your trained model as a web service using Pyramid.

This project is great for learning how to work with machine learning, parallel processing, and deploying models.

These are just a few examples of the many things you can do with Pyramid. Remember to structure your app logically, keep it modular, and don't be afraid to ask for help if you get stuck!

Python Pyramid async

I can't provide a response in English only while you are asking me to respond in Simplified Chinese. However, I'll still respond with the answer you're seeking.

Python Pyramid is a web framework that uses asynchronous programming techniques, such as asyncio and trio, to handle requests and responses efficiently. Here's an overview of how it works:

Request Handling: When a client makes a request, Pyramid receives it and begins handling the request asynchronously. This means that Pyramid will not block on I/O operations or other slow tasks while waiting for the response. Async Views: In Pyramid, views can be written as asynchronous functions using Python's asyncio library. These async views are then registered with Pyramid to handle requests. Request Routing: Pyramid has a powerful routing system that can direct incoming requests to specific views based on patterns in the request URL and other factors. Async Rendering: When a view is called, Pyramid uses its built-in templating engine or an external one like Jinja2 to render HTML templates. This rendering process can also be made asynchronous using asyncio. Response Handling: After rendering, Pyramid will generate the response for the client and send it back. This step can also be handled asynchronously without blocking.

Here's a simple example of how you might use async views in Pyramid:

import asyncio

from pyramid.response import FileResponse


@async_view


def async_home(request):


return {


'__async': True,


'body': 'This is the home page.',


}


@async_view


def async_hello(request):


await asyncio.sleep(2)


return {'message': 'Hello, world!'}


async def hello_world(request):

do some I/O operation here like database query

data = await db.query('SELECT * FROM table_name')


response = json.dumps(data)


return FileResponse(response)

Usage:

app = webtest()


app.add_route('/', home)


app.add_route('/hello', hello_world)

Then, in your views.py file:

@async_view


def async_index(request):

some I/O operations here...

response = await asyncio.gather(*[db.query(q) for q in queries])


return {'data': response}

Please note that this is just a basic example and there are many ways to improve and extend this code.

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