protobuf-py-ext
Native extension for protobuf-py
Decision gist · record as of 2026-08-14
Yes, if you need faster Protocol Buffer serialization. The extension is actively maintained, has no runtime dependencies, and offers broad platform and Python version coverage. Install friction is moderate due to compilation, but pre-built wheels are available for all major platforms. License status is unclear, so verify the project's license terms before use.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.10 or later.
- Pre-built wheels are available for Linux (x86_64, aarch64), macOS (arm64), and Windows (amd64, arm64); other platforms may require compilation.
- Medium install friction due to compiled wheels, but well-supported across modern Python versions (3.10–3.14) and major platforms (Linux, macOS, Windows, including ARM64).
License · maintenance · safety
(unclear)
last release 2026-08-07 (7 days) · last repo commit 2026-08-14 · 88 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 346,371 downloads/mo, #7,355 on PyPI
Alternatives
Verify before relying
pip install protobuf-py-ext
# The extension accelerates serialization automatically when imported
data = message.to_binary() # Uses native Rust encoder
message = MessageType.from_binary(data) # Uses native Rust decoder- Whether this extension is automatically used or requires explicit configuration
- Performance improvement magnitude compared to pure-Python alternatives
- Compatibility guarantees with specific versions of dependent packages
- License terms for use in proprietary code
What it is and what it does
protobuf-py-ext is a compiled native extension that provides high-speed Protocol Buffer message encoding and decoding. It wraps performance-critical serialization logic in Rust and is distributed as pre-built wheels for Python 3.10 through 3.14 on Linux, macOS, and Windows platforms, including ARM64 architectures. The package has zero runtime dependencies and is designed to accelerate binary serialization operations.
This extension supports current Python versions and free-threaded CPython builds, making it suitable for high-throughput applications that need fast message serialization. The package is actively maintained, with the latest release 7 days ago.
Use it for
- Accelerate message serialization in high-throughput services and data pipelines
- Speed up batch processing of Protocol Buffer messages in distributed systems
- Improve performance of applications that frequently encode and decode binary data
- Enable efficient message handling in real-time systems with strict latency requirements
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need faster Protocol Buffer serialization.
The extension is actively maintained, has no runtime dependencies, and offers broad platform and Python version coverage. Install friction is moderate due to compilation, but pre-built wheels are available for all major platforms. License status is unclear, so verify the project's license terms before use.
Install
protobuf-py-ext on PyPI
Before you install
Medium install friction due to compiled wheels, but well-supported across modern Python versions (3.10–3.14) and major platforms (Linux, macOS, Windows, including ARM64). Active maintenance with a release 7 days ago.
Requires Python 3.10 or later. Pre-built wheels are available for Linux (x86_64, aarch64), macOS (arm64), and Windows (amd64, arm64); other platforms may require compilation.
Quickstart
pip install protobuf-py-ext
# The extension accelerates serialization automatically when imported
data = message.to_binary() # Uses native Rust encoder
message = MessageType.from_binary(data) # Uses native Rust decoderVerify before relying
- Whether this extension is automatically used or requires explicit configuration
- Performance improvement magnitude compared to pure-Python alternatives
- Compatibility guarantees with specific versions of dependent packages
- License terms for use in proprietary code
Package facts
| License | Not declared unclear |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Medium. Platform-specific wheel |
| Runtime dependencies | None |
| Maintenance | Actively maintained 7 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 346,371 / month, #7,355 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 4 - BetaIntended Audience :: DevelopersOperating System :: MacOS :: MacOS XOperating System :: Microsoft :: WindowsOperating System :: POSIX :: LinuxProgramming Language :: Python :: 3Programming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: Python :: Free ThreadingProgramming Language :: Python :: Implementation :: CPythonProgramming Language :: Rust |
Evidence: protobuf_py_ext-0.3.0-cp310-abi3-macosx_11_0_arm64.whl; protobuf_py_ext-0.3.0-cp310-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl; protobuf_py_ext-0.3.0-cp310-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl; protobuf_py_ext-0.3.0-cp310-abi3-musllinux_1_2_aarch64.whl; protobuf_py_ext-0.3.0-cp310-abi3-musllinux_1_2_x86_64.whl; protobuf_py_ext-0.3.0-cp310-abi3-win_amd64.whl; protobuf_py_ext-0.3.0-cp310-abi3-win_arm64.whl; protobuf_py_ext-0.3.0-cp312-cp312-macosx_11_0_arm64.whl; protobuf_py_ext-0.3.0-cp312-cp312-manylinux_2_17_aarch64.manylinux2014_aarch64.whl; protobuf_py_ext-0.3.0-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl; protobuf_py_ext-0.3.0-cp312-cp312-musllinux_1_2_aarch64.whl; protobuf_py_ext-0.3.0-cp312-cp312-musllinux_1_2_x86_64.whl; protobuf_py_ext-0.3.0-cp313-cp313-macosx_11_0_arm64.whl; protobuf_py_ext-0.3.0-cp313-cp313-manylinux_2_17_aarch64.manylinux2014_aarch64.whl; protobuf_py_ext-0.3.0-cp313-cp313-manylinux_2_17_x86_64.manylinux2014_x86_64.whl; protobuf_py_ext-0.3.0-cp313-cp313-musllinux_1_2_aarch64.whl; protobuf_py_ext-0.3.0-cp313-cp313-musllinux_1_2_x86_64.whl; protobuf_py_ext-0.3.0-cp314-cp314-macosx_11_0_arm64.whl; protobuf_py_ext-0.3.0-cp314-cp314-manylinux_2_17_aarch64.manylinux2014_aarch64.whl; protobuf_py_ext-0.3.0-cp314-cp314-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
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