---
id: murmurhash2
version: "0.2.10"
license: MIT
license_treatment: permissive
maintenance: abandoned
---

# murmurhash2 — murmurhash2 for Python

License: permissive · Maintenance: abandoned · Downloads: 857.0K/mo

## What it is and what it does

murmurhash2 is a Python binding to the MurmurHash2 and MurmurHash3 C implementations, providing fast non-cryptographic hash functions for byte strings. It exposes two functions—murmurhash2() and murmurhash3()—each taking a byte string and an optional seed value, returning a 32-bit hash. The package is distributed as precompiled wheels for common platforms and Python versions, with no runtime dependencies.

This is a low-level hashing utility, not a cryptographic library. It is typically used in scenarios where you need fast, deterministic hashing of data and do not require collision resistance or security properties. The project has been abandoned since its latest release on 2022-02-12, so it receives no active maintenance or updates.

Use it for:

- Hash-based data structures like hash tables or hash sets where speed matters more than cryptographic strength
- Bloom filters or other probabilistic data structures that require a fast, seeded hash function
- Distributed systems or load balancing that need consistent hashing with a seed for reproducibility
- Legacy code migration where MurmurHash2 or MurmurHash3 output must match existing implementations

## Worth the install?

AI-flagged interpretation of the facts above — verify before relying.

Provides 32-bit murmurhash2 and murmurhash3 hash functions for Python, wrapping C implementations with a simple byte-string interface.

Yes, if you specifically need MurmurHash2 or MurmurHash3 for compatibility or performance in a non-security context. No, if you are looking for an actively maintained hashing library or need cryptographic guarantees. The abandoned status and lack of recent updates mean no security patches will be issued if issues arise.

## Install

pip install murmurhash2
uv add murmurhash2
poetry add murmurhash2

## Installing murmurhash2

Before you install: Medium install friction due to compiled wheels; prebuilt binaries available for common platforms (x86_64, ARM, PowerPC, s390x on Linux/macOS/Windows) but requires matching your architecture. Last release was 2022-02-12 and the project is marked abandoned, so no active maintenance.

License in practice: MIT license is permissive; you can use this package freely in commercial and private projects with minimal restrictions, though you must include a copy of the license.

Quickstart:

pip install murmurhash2

from murmurhash2 import murmurhash2, murmurhash3

SEED = 3242157231
print(murmurhash2(b'key', SEED))
print(murmurhash3(b'key', SEED))

Requires prebuilt wheel matching your Python version, architecture, and OS; no pure-Python fallback.

Verify before relying:

- Whether the package will receive security updates if vulnerabilities are discovered
- Performance characteristics compared to alternatives in standard library or other packages
- Whether murmurhash2 and murmurhash3 are suitable for your use case (cryptographic vs. non-cryptographic)

## Package facts

- License: MIT (permissive)
- Python support: unspecified
- Install friction: medium
- Maintenance: abandoned
- Downloads: 857.0K/month (top 5,000 on PyPI)
- Known vulnerabilities: none known

## Tags

murmurhash2 python, murmurhash3 hash function, 32-bit hash algorithm, fast hash for bytes, murmurhash implementation, hashing, non-cryptographic, abandoned

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