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Drop-in replacement for Python UUID with bindings in Rust

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  • License: BSD License
  • Author: Amin Alaee
  • Tags rust , uuid
  • Requires: Python >=3.9
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Project description

Python UUID Utils

Package version Supported Python versions

Python UUID implementation using Rust's UUID library. This will make uuid4 function around 10x faster.

This package can be a drop-in replacement to the standard library UUID.

Avaialble UUID versions:

  • uuid1 - Version 1 UUIDs using a timestamp and monotonic counter.
  • uuid3 - Version 3 UUIDs based on the MD5 hash of some data.
  • uuid4 - Version 4 UUIDs with random data.
  • uuid5 - Version 5 UUIDs based on the SHA1 hash of some data.
  • uuid6 - Version 6 UUIDs using a timestamp and monotonic counter.
  • uuid7 - Version 7 UUIDs using a Unix timestamp ordered by time.
  • uuid8 - Version 8 UUIDs using user-defined data.

Installation

Using pip:

$ pip install uuid-utils

or, using conda:

$ conda install -c conda-forge uuid-utils

Example

>>> import uuid_utils as uuid

>>> # make a random UUID
>>> uuid.uuid4()
UUID('ffe95fcc-b818-4aca-a350-e0a35b9de6ec')

>>> # make a random UUID using a Unix timestamp which is time-ordered.
>>> uuid.uuid7()
UUID('018afa4a-0d21-7e6c-b857-012bc678552b')

>>> # make a UUID using a SHA-1 hash of a namespace UUID and a name
>>> uuid.uuid5(uuid.NAMESPACE_DNS, 'python.org')
UUID('886313e1-3b8a-5372-9b90-0c9aee199e5d')

>>> # make a UUID using an MD5 hash of a namespace UUID and a name
>>> uuid.uuid3(uuid.NAMESPACE_DNS, 'python.org')
UUID('6fa459ea-ee8a-3ca4-894e-db77e160355e')

Compatibility

In some cases, for example if you are using Django, you might need UUID instances to be returned from the standrad-library uuid, not a custom UUID class. In that case you can use the uuid_utils.compat which comes with a performance penalty in comparison with the uuid_utils default behaviour, but is still faster than the standard-library.

>>> import uuid_utils.compat as uuid

>>> # make a random UUID
>>> uuid.uuid4()
UUID('ffe95fcc-b818-4aca-a350-e0a35b9de6ec')

Benchmarks

Benchmark Min Max Mean Min (+) Max (+) Mean (+)
UUID v1 0.061 0.299 0.194 0.019 (3.3x) 0.019 (15.4x) 0.019 (10.1x)
UUID v3 0.267 0.307 0.293 0.035 (7.6x) 0.041 (7.5x) 0.039 (7.5x)
UUID v4 0.145 0.301 0.249 0.004 (38.5x) 0.005 (54.8x) 0.005 (53.0x)
UUID v5 0.058 0.189 0.146 0.008 (7.6x) 0.038 (5.0x) 0.016 (9.0x)
UUID from hex 0.128 0.139 0.135 0.016 (8.2x) 0.017 (8.0x) 0.016 (8.3x)
UUID from bytes 0.031 0.135 0.093 0.016 (2.0x) 0.016 (8.6x) 0.016 (5.9x)
UUID from int 0.027 0.102 0.043 0.003 (8.3x) 0.004 (25.0x) 0.003 (12.4x)
UUID from fields 0.031 0.162 0.077 0.005 (6.0x) 0.005 (30.6x) 0.005 (14.7x)

Benchmark results might vary in different environments, but in most cases the uuid_utils should outperform stdlib uuid.

How to develop locally

$ make build
$ make test

Or:

$ RUSTFLAGS="--cfg uuid_unstable" maturin develop --release

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