Package Installation and Usage

The package is available on PyPI:

python -m pip install metatable

The library can be imported in the usual ways:

import metatable
from metatable import *

>>> from metatable import *
>>> t = metatable([['a', 0], ['b', 1], ['c', 2]])
>>> list(iter(t))
[['a', 0], ['b', 1], ['c', 2]]

>>> t.update({1: column(0)})
[['a', 'a'], ['b', 'b'], ['c', 'c']]

>>> from symbolism import symbol
>>> t = metatable([['a', 0], ['b', 1], ['c', 2]])
>>> t.update_filter({0: column(1)}, column(1) > symbol(0))
[[1, 1], [2, 2]]

>>> t = metatable([['char', 'num'], ['a', 0], ['b', 1]], header=True)
>>> t.update({1: column(0)})
[['char', 'num'], ['a', 'a'], ['b', 'b']]

Documentation

The documentation can be generated automatically from the source files using Sphinx:

cd docs
python -m pip install -r requirements.txt
sphinx-apidoc -f -E --templatedir=_templates -o _source .. ../setup.py && make html

Testing and Conventions

All unit tests are executed and their coverage is measured when using pytest (see setup.cfg for configuration details):

python -m pip install pytest pytest-cov
python -m pytest

Alternatively, all unit tests are included in the module itself and can be executed using doctest:

python metatable/metatable.py -v

Style conventions are enforced using Pylint:

python -m pip install pylint
python -m pylint metatable

Contributions

In order to contribute to the source code, open an issue or submit a pull request on the GitHub page for this library.

Versioning

The version number format for this library and the changes to the library associated with version number increments conform with Semantic Versioning 2.0.0.

Publishing

This library can be published as a package on PyPI by a package maintainer. Install the wheel package, remove any old build/distribution files, and package the source into a distribution archive:

python -m pip install wheel
rm -rf dist *.egg-info
python setup.py sdist bdist_wheel

Next, install the twine package and upload the package distribution archive to PyPI:

python -m pip install twine
python -m twine upload dist/*