cinder
codemod
| cinder | codemod | |
|---|---|---|
| 43 | 8 | |
| 3,379 | 3,895 | |
| 0.6% | - | |
| 9.4 | 0.0 | |
| 5 days ago | over 3 years ago | |
| Python | Python | |
| GNU General Public License v3.0 or later | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
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.
cinder
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Meta Used Monolithic Architecture to Ship Threads in Only Five Months
Meta is actually contributing directly to upstream cpython. If you really wanted to, the internal fork is also open source: https://github.com/facebookincubator/cinder
- Meta pledges Three-Year sponsorship for Python if GIL removal is accepted
- Back end of Meta Threads is built with Python 3.10 with some interesting tweaks
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Lessons from Mojo for PHP 10+ ?
Just one example: last year Meta open-sourced Cinder, which powers Instagram and provides sizeable speedups compared to CPython.
- Python true static typing
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Best book on writing an optimizing compiler (inlining, types, abstract interpretation)?
I used to work on the Cinder JIT and can help document any passes you find interesting or confusing.
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Python-based compiler achieves orders-of-magnitude speedups
You might enjoy Cinder then. It's based on CPython so it is nearly 100% compatible.
https://github.com/facebookincubator/cinder/
Disclaimer: I used to work on it.
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beartype: It has documentation now. It only took two years, my last hair follicle, precious sanity points (SPs), and working with Sphinx. Don't be like @leycec. Go hard on documentation early.
I think Cinder's Static Python, which also performs runtime type checking, is more ambitious. Though it's not production ready yet.
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If there’s gonna be a Python 4.0 one day, what’s a breaking change you’d like to see? Let’s explore the ideas you have that can make Python even better!
Here's a fork that implements that https://github.com/facebookincubator/cinder - it might be nice to one day get that up streamed but obviously it'll be controversial and it certainly needs more time to bake. Hopefully at some point we can make it a pip installable extension though.
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Is it time for Python to have a statically-typed, compiled, fast superset?
The other thing that was interesting to me, was the potential of type annotations to help make for a faster, safer experience on the compiler end of things. One example is seen in Meta’s Cinder project, on the docs it explains how typing can be used to reduce the number of steps for the compiler ([cinder/static_python.rst at cinder/3.8 · facebookincubator/cinder · GitHub](https://github.com/facebookincubator/cinder/blob/cinder/3.8/CinderDoc/static_python.rst)), making it more effective.
codemod
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Ohm: A library and language for building parsers, interpreters, compilers, etc.
This is new to me, sounds interesting!
I once used Codemod [0] to migrate an old JS codebase. Would this be a use case for Ohm as well?
[0] https://github.com/facebookarchive/codemod
- Automating Dead Code Cleanup
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Meta pledges Three-Year sponsorship for Python if GIL removal is accepted
That differs but is a reasonable understanding. I’m instead referring to automations that perform large scale refactoring as handled by Facebook, who would be contributing to this effort.
https://github.com/facebookarchive/codemod
It sounds like what you are describing is what’s known as poly fills which convert code into a variant that maximizes function across implementations which isn’t really applicable here.
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Automatic Dependency Upgrade Tool (with auto-resolve breaking changes)
That's why I've been working on a tool that automatically upgrades major versions of libraries with breaking changes, the idea is to simplify the process and save developers time and effort by having a bank of transformers (using codemod & jscodeshift) and open source them:
- Python 2 Removed from Debian
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How Our Engineering Team Used Python's AST to Patch 100,000s of Lines of Code
What they did appears similar to https://github.com/facebook/codemod.
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Software Is Drowning the World
I think codemod is probably one such tool: https://github.com/facebook/codemod
What are some alternatives?
faster-cpython - How to make CPython faster.
jscodeshift - A JavaScript codemod toolkit.
Pyjion - Pyjion - A JIT for Python based upon CoreCLR
comby - A code rewrite tool for structural search and replace that supports ~every language.
Pyjion
scala-steward - :robot: A bot that helps you keep your projects up-to-date
graalpython - A Python 3 implementation built on GraalVM
semgrep - Lightweight static analysis for many languages. Find bug variants with patterns that look like source code.
MonkeyType - A Python library that generates static type annotations by collecting runtime types
goimports - [mirror] Go Tools
hpy - HPy: a better API for Python
Magnit.Tokenization - Tokenize strings into custom tokens using ordered regex operations.