ytsaurus-yson
C++ bindings for YSON.
Decision gist · record as of 2026-08-14
Yes, if you are working with YTsaurus and need native YSON serialization support in Python. The permissive Apache 2.0 license and reasonable download volume suggest active use. However, verify Python version compatibility first (not declared in metadata), and be aware the package is aging with no recent maintenance—suitable for stable, established YTsaurus deployments rather than new projects seeking active development.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires a compatible pre-built wheel for your platform (arm64 macOS or x86_64 Linux); Python version support is unspecified.
- Medium install friction due to compiled wheel dependencies; the package is aging (526 days since last release) with no recent maintenance signals, though it remains actively downloaded.
License · maintenance · safety
Apache 2.0 (permissive) — Licensed under Apache 2.0 (permissive), allowing free use, modification, and distribution with minimal restrictions.
last release 2025-03-06 (526 days)
0 known vulnerabilities (OSV.dev, 2026-08-14) · 150,201 downloads/mo, #10,973 on PyPI
Alternatives
Verify before relying
pip install ytsaurus-yson
import ytsaurus_yson
# Serialize/deserialize YSON data via C++ bindings- Exact Python version compatibility range (requires_python is unspecified in metadata)
- Whether ytsaurus-client is a required runtime dependency or optional
- Performance characteristics compared to pure-Python YSON implementations
- Scope of YSON format support (which YSON types and features are covered)
What it is and what it does
ytsaurus-yson is a C++ binding library that bridges Python and YTsaurus's native YSON serialization format. YSON is YTsaurus's columnar data format used across its distributed storage and MapReduce platform. This package lets Python developers serialize Python objects to YSON and deserialize YSON data back into Python, enabling integration with YTsaurus workflows and data pipelines.
The library is distributed as pre-compiled wheels for macOS (arm64) and Linux (x86_64), meaning installation depends on finding a compatible binary for your platform. It has one runtime dependency on ytsaurus-client. The package is aging—last released 526 days ago—and Python version support is not formally declared, so compatibility with modern Python versions should be verified before adoption.
Use it for
- Serialize Python data structures to YSON for ingestion into YTsaurus distributed storage systems.
- Deserialize YSON output from YTsaurus MapReduce jobs back into native Python objects.
- Build Python clients that communicate with YTsaurus clusters using the native YSON protocol.
- Integrate Python data pipelines with YTsaurus-based analytics and ETL workflows.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are working with YTsaurus and need native YSON serialization support in Python.
The permissive Apache 2.0 license and reasonable download volume suggest active use. However, verify Python version compatibility first (not declared in metadata), and be aware the package is aging with no recent maintenance—suitable for stable, established YTsaurus deployments rather than new projects seeking active development.
Install
ytsaurus-yson on PyPI
Before you install
Medium install friction due to compiled wheel dependencies; the package is aging (526 days since last release) with no recent maintenance signals, though it remains actively downloaded.
Requires a compatible pre-built wheel for your platform (arm64 macOS or x86_64 Linux); Python version support is unspecified.
License in practice
Licensed under Apache 2.0 (permissive), allowing free use, modification, and distribution with minimal restrictions.
Quickstart
pip install ytsaurus-yson
import ytsaurus_yson
# Serialize/deserialize YSON data via C++ bindingsVerify before relying
- Exact Python version compatibility range (requires_python is unspecified in metadata)
- Whether ytsaurus-client is a required runtime dependency or optional
- Performance characteristics compared to pure-Python YSON implementations
- Scope of YSON format support (which YSON types and features are covered)
Package facts
| License | Apache 2.0 permissive |
| Python support | Not specified |
| Install friction | Medium. Platform-specific wheel |
| Runtime dependencies | 1 packageytsaurus-client |
| Maintenance | Aging 526 days since the last release |
| First released | |
| Downloads | 150,201 / month, #10,973 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
Evidence: ytsaurus_yson-0.4.10-cp34-abi3-macosx_11_0_arm64.whl; ytsaurus_yson-0.4.10-cp34-abi3-manylinux_2_12_x86_64.manylinux2010_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl
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See also ytsaurus-client · interchange · simplejson · paradict · pyjson5 · bson · python-rapidjson · databind.core · py-ubjson · cbor