cassandra-driver
Apache Cassandra Python Driver
Decision gist · record as of 2026-08-14
Yes. cassandra-driver is the official, actively maintained client for Cassandra in Python, with no known vulnerabilities, permissive licensing, and broad platform support. Install friction is moderate but manageable via prebuilt wheels. Choose it if you need to query Cassandra or DSE; it is the standard choice for this use case.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires a running Cassandra (2.1+) or DataStax Enterprise (4.7+) instance accessible on the network; Python 3.10 or later required.
- Medium install friction due to compiled wheels; prebuilt binaries available for Python 3.10, 3.11, 3.12, and 3.13 on macOS (Intel and ARM), Linux (x86_64 and aarch64), and Windows.
- Active maintenance with a recent release 39 days ago and ongoing repository activity.
License · maintenance · safety
Apache-2.0 (permissive) — Apache-2.0 permissive license allows commercial use, modification, and distribution with minimal restrictions; suitable for proprietary projects.
last release 2026-07-06 (39 days) · last repo commit 2026-07-21 · 1,427 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 8,784,794 downloads/mo, #1,595 on PyPI
Alternatives
Verify before relying
pip install cassandra-driver
from cassandra.cluster import Cluster
cluster = Cluster(['localhost'])
session = cluster.connect()
rows = session.execute('SELECT * FROM system.local')
for row in rows:
print(row)- Whether the object mapper (cqlengine) is production-ready for all use cases or has known limitations.
- Performance characteristics under high concurrency or large result sets compared to alternatives.
- Support status for PyPy beyond the classifier listing.
What it is and what it does
cassandra-driver is the official Apache Cassandra Python client, maintained by DataStax. It provides both synchronous and asynchronous APIs for executing CQL queries against Cassandra clusters, with built-in connection pooling, automatic node discovery, and configurable load balancing and retry policies. The driver handles the binary protocol communication directly and supports prepared statements, batch operations, and concurrent execution utilities.
The package includes an integrated object mapper (cqlengine) for mapping Python classes to Cassandra tables, making it suitable for both low-level query control and higher-level ORM workflows. It supports DataStax Astra (cloud), DSE Graph execution, geometric type serialization, and multiple authentication schemes. Runtime dependencies are minimal (geomet and Deprecated), keeping the footprint lean.
Use it for
- Building Python applications that query and write to Apache Cassandra or DataStax Enterprise clusters using CQL.
- Implementing object-relational mapping for Cassandra tables via cqlengine without a separate ORM library.
- Executing asynchronous batch operations and concurrent queries to maximize throughput in data pipelines.
- Connecting to DataStax Astra cloud databases from Python applications.
- Handling automatic failover and reconnection in distributed Cassandra deployments.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
cassandra-driver is the official, actively maintained client for Cassandra in Python, with no known vulnerabilities, permissive licensing, and broad platform support. Install friction is moderate but manageable via prebuilt wheels. Choose it if you need to query Cassandra or DSE; it is the standard choice for this use case.
Install
cassandra-driver on PyPI
Before you install
Medium install friction due to compiled wheels; prebuilt binaries available for Python 3.10, 3.11, 3.12, and 3.13 on macOS (Intel and ARM), Linux (x86_64 and aarch64), and Windows. Active maintenance with a recent release 39 days ago and ongoing repository activity.
Requires a running Cassandra (2.1+) or DataStax Enterprise (4.7+) instance accessible on the network; Python 3.10 or later required.
License in practice
Apache-2.0 permissive license allows commercial use, modification, and distribution with minimal restrictions; suitable for proprietary projects.
Quickstart
pip install cassandra-driver
from cassandra.cluster import Cluster
cluster = Cluster(['localhost'])
session = cluster.connect()
rows = session.execute('SELECT * FROM system.local')
for row in rows:
print(row)Verify before relying
- Whether the object mapper (cqlengine) is production-ready for all use cases or has known limitations.
- Performance characteristics under high concurrency or large result sets compared to alternatives.
- Support status for PyPy beyond the classifier listing.
Package facts
| License | Apache-2.0 permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Medium. Platform-specific wheel |
| Runtime dependencies | 2 packagesgeometDeprecated |
| Maintenance | Actively maintained 39 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 8,784,794 / month, #1,595 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableIntended Audience :: DevelopersNatural Language :: EnglishOperating System :: OS IndependentProgramming Language :: PythonProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: Python :: Implementation :: CPythonProgramming Language :: Python :: Implementation :: PyPyTopic :: Software Development :: Libraries :: Python Modules |
Evidence: cassandra_driver-3.30.1-cp310-cp310-macosx_10_9_x86_64.whl; cassandra_driver-3.30.1-cp310-cp310-macosx_11_0_arm64.whl; cassandra_driver-3.30.1-cp310-cp310-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl; cassandra_driver-3.30.1-cp310-cp310-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl; cassandra_driver-3.30.1-cp310-cp310-win_amd64.whl; cassandra_driver-3.30.1-cp311-cp311-macosx_10_9_x86_64.whl; cassandra_driver-3.30.1-cp311-cp311-macosx_11_0_arm64.whl; cassandra_driver-3.30.1-cp311-cp311-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl; cassandra_driver-3.30.1-cp311-cp311-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl; cassandra_driver-3.30.1-cp311-cp311-win_amd64.whl; cassandra_driver-3.30.1-cp312-cp312-macosx_10_13_x86_64.whl; cassandra_driver-3.30.1-cp312-cp312-macosx_11_0_arm64.whl; cassandra_driver-3.30.1-cp312-cp312-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl; cassandra_driver-3.30.1-cp312-cp312-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl; cassandra_driver-3.30.1-cp312-cp312-win_amd64.whl; cassandra_driver-3.30.1-cp313-cp313-macosx_10_13_x86_64.whl; cassandra_driver-3.30.1-cp313-cp313-macosx_11_0_arm64.whl; cassandra_driver-3.30.1-cp313-cp313-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl; cassandra_driver-3.30.1-cp313-cp313-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl; cassandra_driver-3.30.1-cp313-cp313-win_amd64.whl
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