Skip to main content
SCANOSS-PY provides a Python library and command-line interface for interacting with SCANOSS APIs and engines.

​
Prerequisites

Before you begin, ensure you have:

​
Installation

​
Standard Installation

Install scanoss-py from PyPI:

​
Fast Winnowing

Fast winnowing is an optional extension that provides a significant performance improvement in fingerprinting. Install it separately if you require faster scanning throughput:
To verify that fast winnowing is active:

​
Dependency Scanning

To enable dependency scanning from package manifests and lockfiles (such as package.json, requirements.txt, and pom.xml), install scancode-toolkit:
Note: This is only required if you intend to use the -D or --dependencies flag to scan declared dependencies. Standard file and snippet scanning does not require this package.

​
Installation on Externally Managed Environments

Modern Linux distributions (Ubuntu 23.04+, Fedora 38+, Debian 11+) enforce externally managed Python environments, which prevent direct pip installs into the system Python. Use pipx to install scanoss-py in an isolated environment: