astmath

Evaluate Python arithemetic expressions safely.

This package can help evaluate Python expressions, without any risk of code execution.

Installation

pip install astmath

Usage

Use it in the CLI:

$ astmath '40 + 2'
42
$ astmath '"foobar" * 2'
foobarfoobar

Or via the API:

>>> import astmath
>>> astmath.eval("2 + 3 * 4")
14
>>> astmath.eval('"foo" * 3')
'foofoofoo'

Local Development / Testing

• Create and activate a virtual environment
• Run pip install -r requirements-dev.txt to do an editable install
• Run pytest to run tests

Type Checking

Run mypy .

Create and upload a package to PyPI

Make sure to bump the version in setup.cfg.

Then run the following commands:

rm -rf build dist
python setup.py sdist bdist_wheel

Then upload it to PyPI using twine:

twine upload dist/*