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Creation of HTML Bootstrap4 components using the Python library Chameleon.
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Latest commit c515b98 Nov 12, 2019



Version v0.0.19.

This is a proof of concept package. It came out of working with the Nikolo static site generator.

While it's more convenient to write pages and posts with Markdown or reStructuredText, sometimes HTML is more precise, especially regarding custom Bootstrap components. The issue is that writing HTML by hand is tedious and error-prone. Template libraries do help, but they introduce their own clumsy syntax into HTML. Except at least one: Chameleon.

Then there is the issue of learning the template attribute language (TAL) in Chameleon templates.. Fortunately, TAL only has 10 statements.

This library address the issue of building validated Chameleon templates that when rendered produce validated HTML programmatically.

The specification is to easily create Chameleon templates to output HTML using strings and Python code.

See working—and constantly changing—examples at this blog post and at this blog post .

Reiterating over these posts helps me strategize ways of making the creation of HTML using Python more efficient.

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  • Free software: BSD 2-Clause License


pip install chamelboots

You can also install the in-development version with

pip install

It is still possible to install by cloning this repository, activating a virtual environment, and running the following:

python install



To run the all tests run:


Note, to combine the coverage data from all the tox environments run:

set PYTEST_ADDOPTS=--cov-append
PYTEST_ADDOPTS=--cov-append tox
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