baseplate.py
Flask
baseplate.py | Flask | |
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11 | 135 | |
530 | 66,603 | |
0.2% | 0.7% | |
8.5 | 8.7 | |
4 days ago | 2 days ago | |
Python | Python | |
BSD 3-clause "New" or "Revised" License | BSD 3-clause "New" or "Revised" License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
baseplate.py
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The .zip TLD sucks and it needs to be immediately revoked.
Almost any download link on the internet (for example an attachment to any Wordpress blog post) could serve as an example. Since we are on a programming subreddit let's use Github as an example. When you open a repository and click the "Download ZIP" button it's a link straight to an URL like this one: https://github.com/reddit/baseplate.py/archive/refs/heads/develop.zip (this particular one is for Reddit's Python library).
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Python use by SWEs
Even Reddit has python backends https://github.com/reddit/baseplate.py based on Pyramid. They also have a go one. https://github.com/reddit/baseplate.go
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Reddit System Design/Architecture
there's a multitude of services in reddit's architecture. as far as i can tell, they mostly using reddit's baseplate framework (which has implementations in both python and go).
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Reddit Recap Series: Backend Performance Tuning
Finally, the problem that we didn’t experience directly, but it was mentioned during consultations with another team that had experience with pgBouncer: the Baseplate.py framework that both of us are using sometimes leaked the connections, leaving them open after the request, but not returning them back into the pool.
- What is an example of a fully finished python software product on github?
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Is the Pyramid framework dead?
Also reddit team using pyramid for services https://github.com/reddit/baseplate.py
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is flask only for "smaller" projects or it can also be used for large scalable projects ?
Reddit is built on neither Flask nor Django. The old monolith predates Flask and Django and is built on its own framework. Our new microservices are built on our Baseplate.py framework.
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Evolving Reddit’s ML Model Deployment and Serving Architecture
Minsky is an internal baseplate.py (Reddit’s python web services framework) thrift service owned by Reddit’s Machine Learning team that serves data or derivations of data related to content relevance heuristics — such as similarity between subreddits, a subreddits topic or a users propensity for a given subreddit — from various data stores such as Cassandra or in process caches. Clients of Minsky use this data to improve Redditor’s experiences with the most relevant content. Over the last few years a set of new ML capabilities, referred to as Gazette, were built into Minsky. Gazette is responsible for serving ML model inferences for personalization tasks along with configuration based schema resolution and feature fetching / transformation.
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Deadline Budget Propagation for Baseplate.py
Baseplate is implemented in Python and Go, and although they share the same main functionality, smaller features differ between the two. One such feature that was previously on the Go implementation but not Python was deadline budget propagation, which passes on the remaining timeout available from the initial client request all the way through the server and any other requests that may follow. The lack of this feature in Baseplate.py meant that many resources were being wasted by servers doing unnecessary work, despite clients no longer awaiting their response due to timeout.
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Solving The Three Stooges Problem
In order to make this solution work, you’ll need a web stack that can handle many concurrent requests. Reddit’s stack for most microservices is Python 3, Baseplate, and gevent. Django/Flask also work well when run with gevent. gevent is a Python library that transparently enables your microservice to handle high concurrency and I/O without requiring changes to your code. It is the secret sauce that allows you to run tens of thousands of pseudo-threads called greenlets (one per concurrent request) on a small number of instances. It allows for threads handling concurrent duplicate requests to be enqueued while waiting to acquire the lock, and then for those queues to be drained as threads acquire the lock and execute serially, all without exhausting the thread pool.
Flask
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Ask HN: High quality Python scripts or small libraries to learn from
I'd suggest Flask or some of the smaller projects in the Pallets ecosystem:
https://github.com/pallets/flask
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Rapid Prototyping with Flask, Bootstrap and Secutio
#!/usr/bin/python # # https://flask.palletsprojects.com/en/3.0.x/installation/ # from flask import Flask, jsonify, request contacts = [ { "id": "1", "firstname": "Lorem", "lastname": "Ipsum", "email": "[email protected]", }, { "id": "2", "firstname": "Mauris", "lastname": "Quis", "email": "[email protected]", }, { "id": "3", "firstname": "Donec Purus", "lastname": "Purus", "email": "[email protected]", } ] app = Flask(__name__, static_url_path='', static_folder='public',) @app.route("/contact//save", methods=["PUT"]) def save_contact(id): data = request.json contacts[id - 1] = data return jsonify(contacts[id - 1]) @app.route("/contact/", methods=["GET"]) @app.route("/contact//edit", methods=["GET"]) def get_contact(id): return jsonify(contacts[id - 1]) @app.route('/') def root(): return app.send_static_file('index.html') if __name__ == '__main__': app.run(debug=True)
- Microdot "The impossibly small web framework for Python and MicroPython"
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Why do all the popular projects use relative imports in __init__ files if PEP 8 recommends absolute?
I was looking at all the big projects like numpy, pytorch, flask, etc.
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10 Github repositories to achieve Python mastery
Explore here.
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Ask HN: What would you use to build a mostly CRUD back end today?
I may use Flask-Admin initially to offload the "CRUD" operations to have an initial prototype fast but then drop it ASAP because I don't want to write a "flask-admin application" to fight against later on. If the application is mainly "CRUD", then Flask-Admin is suitable.
Now...
Would you do a breakdown/list of all the jobs you've done by sector/vertical and by function/role and by application functionality?
- [0]: https://flask.palletsprojects.com
- [1]: https://flask-admin.readthedocs.io/en/latest
- [2]: https://flask.palletsprojects.com/en/2.3.x/patterns/celery
- [3]: https://sentry.io
- [4]: https://posthog.com
- [5]: https://www.docker.com
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Implementing continuous delivery pipelines with GitHub Actions
In the lab to follow, we will be setting up an end-to-end DevOps workflow for a Flask microservice with GitHub Actions, using a self-managed custom runner for maximal control over the pipeline execution environment and automating deployments to a local Kubernetes cluster. Furthermore, we will construct separate pipelines for our "development" and "production" environments to further elaborate on the concepts of continuous deployment and delivery.
- How do you iterate on a library built locally?
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Flask Application Load Balancing using Docker Compose and Nginx
Flask Micro web Framework: You will use Flask to build a Flask web application.
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Open Source Flask-based web applications
In an earlier post I mentioned a bunch of Open Source web applications. Let's now focus on the ones written in Python using Flask the light-weight web framework.
What are some alternatives?
xhtml2pdf - A library for converting HTML into PDFs using ReportLab
fastapi - FastAPI framework, high performance, easy to learn, fast to code, ready for production
Apache Thrift - Apache Thrift
Django - The Web framework for perfectionists with deadlines.
Pyramid - Pyramid - A Python web framework
AIOHTTP - Asynchronous HTTP client/server framework for asyncio and Python
rtv - Browse Reddit from your terminal
starlette - The little ASGI framework that shines. 🌟
pottery - Redis for humans. 🌎🌍🌏
quart - An async Python micro framework for building web applications.
redsync - Distributed mutual exclusion lock using Redis for Go
Tornado - Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed.