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Description:
This PR updates the SAM2 codebase installation process:

  • Replaces Anaconda setup with [uv](https://github.com/astral-sh/uv)
  • Simplifies dependency management with faster, more robust installs
  • Reduces setup overhead and improves reproducibility across environments

Why:

  • uv provides a lightweight, bullet-fast, and reliable alternative to Conda
  • Streamlines build and installation process for both developers and users
  • Lowers system requirements by removing heavy Anaconda dependency

Impact:

  • Installation is now significantly faster
  • Builds are more consistent across platforms
  • Users no longer need to install Anaconda/Miniconda

- Move all package metadata, dependencies, and build configuration to pyproject.toml
- Add comprehensive project metadata including classifiers and URLs
- Define optional dependency groups (notebooks, interactive-demo, dev, all)
- Configure development tools (black, uv) in pyproject.toml
- Add build_cuda_ext.py for CUDA extension compilation
- Simplify setup.py to minimal implementation
- Add uv.lock for dependency management
…_ext.py

- Updated installation instructions in INSTALL.md and README.md to recommend using 'uv' for package management.
- Removed setup.py and build_cuda_ext.py as CUDA extension building is now handled differently.
- Adjusted demo and training README files to reflect changes in installation methods and dependencies.
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meta-cla bot commented Aug 20, 2025

Hi @nghorbani!

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@meta-cla meta-cla bot added the cla signed label Aug 20, 2025
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meta-cla bot commented Aug 20, 2025

Thank you for signing our Contributor License Agreement. We can now accept your code for this (and any) Meta Open Source project. Thanks!

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