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python-fastavro

pyprojectDepChanges

Fast Avro for Python

Current
1.12.1
Candidate
1.13.1Stale
License
MIT

Build

TargetResultLast successful versionSucceeded at
rva23
1.12.1
rva20
1.12.1
x86_64
1.12.1

RuntimeDeps

DependencyObserved sourceCurrent requirementCandidate requirement
Python
3.14.9
>=3.9✓
>=3.11✓

Optional RuntimeDeps

DependencyObserved sourceCurrent requirementCandidate requirement
backports.zstdUnmapped
—
Not observed
any version
cramjamUnmapped
—
any version
any version
lz4
4.4.5
any version?
any version?
zstandard
0.25.0
any version?
Not observed
Dependency conditions
  • backports.zstdUpgrade:any versionUnmapped
    Applies when (any)
    python_version < "3.14" and extra == "codecs"python_version < "3.14" and extra == "zstandard"
  • cramjamany versionUnmapped
    Applies when (any)
    extra == "codecs"extra == "snappy"
  • lz4any version?
    Applies when (any)
    extra == "codecs"extra == "lz4"
  • zstandardany version?
    Applies when (any)
    extra == "codecs"extra == "zstandard"

Description

The fastavro library was written to offer performance comparable to the Java library. With regular CPython, fastavro uses C extensions which allow it to iterate the same 10,000 record file in 1.7 seconds. With PyPy, this drops to 1.5 seconds (to be fair, the JAVA benchmark is doing some extra JSON encoding/decoding).

Changelog

PR · 4

Checks
MonitorObservationLast checked
Source
Stale
Repository refresh: git fetch exited 128 (authentication)
Version
Stale
Source last confirmed at 2026-11-11T05:24:08+00:00; repository refresh overdue.
Build
Checked
GitHub
Checked
EOL
Not configured
No reliable monitor identity/configuration.
—
LicenseDiff
Checked
Compared same-provider, same-project SPDX metadata for this version pair.
Last attempted
Dependencies
Checked
Last attempted
Advisory
Checked
Current source component only; local patches, build options, bundled dependencies and binary artifacts are not evaluated.
Yanked
Checked