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html5lib

html5lib is a pure-python library for parsing HTML. It is designed to conform to the WHATWG HTML specification, as is implemented by all major web browsers.

homepage: https://github.com/html5lib/html5lib-python

Available installations

html5lib version Supported CPU targets Supported GPU targets EESSI version Module
1.1 generic: aarch64, x86_64
Arm: a64fx, neoverse_n1, neoverse_v1, nvidia/grace, aws/graviton4
AMD: zen2, zen3, zen4, zen5
Intel: haswell, skylake_avx512, sapphirerapids, icelake, cascadelake, graniterapids
(none) 2026.06 html5lib/1.1-GCCcore-15.2.0

Extensions

Overview of extensions included in html5lib installations

html5lib

html5lib version html5lib modules that include it
1.1 html5lib/1.1-GCCcore-15.2.0

webencodings

webencodings version html5lib modules that include it
0.6.1 html5lib/1.1-GCCcore-15.2.0