uuid (package)

uuid (package)
Name	uuid
Title	uuid (package)
Developer	Python Software Foundation
Latest release	1.0.0
Programming language	Python
Operating system	Cross-platform
License	BSD

uuid (package)

The uuid package is a software library that implements universally unique identifier generation and manipulation. It provides facilities to create, parse, compare, and serialize identifiers compliant with established identifier standards and used across projects in Linux, Microsoft Windows, macOS, Amazon (company), and Google LLC ecosystems. The package is referenced in tooling maintained by the Python Software Foundation, integrated into projects by contributors from organizations such as Red Hat, Canonical (company), and Intel.

Overview

uuid implements algorithms for producing identifiers conformant with the specifications from standards such as the RFC 4122 and related identifier conventions adopted by initiatives like DCE and systems used by OpenStack and Kubernetes. It exposes creation routines for multiple identifier versions inspired by designs from an academic lineage that includes work by Paul Leach and Scott McGregor and operational deployments in products from NetApp and VMware. The package is commonly used alongside libraries and frameworks including Django (web framework), Flask (web framework), Node.js adapters, and storage systems such as PostgreSQL and MongoDB (database), where stable, unique identifiers are necessary for resource addressing, replication, and auditing.

Installation and compatibility

uuid is distributed via package repositories and can be installed through platform package managers maintained by vendors such as Debian, Fedora, Arch Linux and language-specific indexes used by the Python Package Index. Binary compatibility spans processor architectures designed by Intel, AMD, ARM Limited, and vendors producing IBM POWER platforms. Compatibility is maintained for interpreter releases supported by the Python Software Foundation and integrates with continuous integration services run by Travis CI, GitHub Actions, and Jenkins (software) for automated testing.

API and usage

The API provides functions to generate versioned identifiers: namespace-based schemes resembling methods used in protocol suites by IETF and naming patterns found in DNS and LDAP (computing), time-based schemes paralleling implementations in Microsoft Windows GUIDs and variants used by Apple Inc. services, and cryptographic-hash-based schemes leveraging algorithms associated with standards bodies like NIST. Typical usage patterns align with examples in documentation drafted by project maintainers and contributors from organizations such as Canonical (company) and Red Hat. Developers integrate uuid identifiers into frameworks like SQLAlchemy for database models, serialize them in formats popularized by JSON and Protocol Buffers, and use them in distributed tracing systems influenced by designs from OpenTelemetry and Jaeger (software).

Implementation details

Under the hood, uuid implements bit-level layouts and canonical textual formats defined in RFC 4122 and references techniques from earlier distributed computing work originating with Apollo Computer and Sun Microsystems. For cryptographic variants it relies on hash primitives and entropy sources similar to those standardized by NIST publications; on Unix-like systems it may draw from randomness providers used by Linux kernel subsystems and libraries maintained by OpenSSL-related projects. The package includes parsing routines for canonical and non-canonical representations and interoperability features targeting systems produced by Microsoft and Apple Inc..

Performance and security considerations

Performance characteristics have been benchmarked in environments provisioned by cloud providers such as Amazon Web Services and Google Cloud Platform; results are relevant to workloads managed by orchestration systems like Kubernetes and Docker (software). Security considerations emphasize proper entropy collection, keying material handling, and resistance to collision attacks as analyzed in research from institutions like MIT, Stanford University, and ETH Zurich. Operational advisories from vendors including Red Hat and Microsoft inform best practices for seeding randomness and avoiding predictable identifier generation in contexts such as authentication systems in OAuth deployments and token issuance used by OpenID Foundation-aligned services.

History and maintenance

uuid's lineage tracks back to identifier efforts formalized in the late 1990s and early 2000s, with standards work by the IETF culminating in RFC 4122. Maintenance is performed by contributors affiliated with projects and companies including the Python Software Foundation, Red Hat, and individual volunteers coordinating via platforms such as GitHub. Release management and security updates follow workflows influenced by practices at organizations like Canonical (company) and Microsoft, and the package's roadmap reflects interoperability concerns voiced by users in ecosystems such as OpenStack and Kubernetes.

Category:Python (programming language) libraries