embexpr 1.0.1

safe embedded python expression parser

embexpr
============
.. image:: https://travis-ci.org/orisano/embexpr.svg?branch=master
:target: https://travis-ci.org/orisano/embexpr

| safe embedded python expression parser (for mainly easy DSL or config file).

Getting Started
------------
.. code:: bash

pip install embexpr


How to Use
------------
.. code:: python

from embexpr import Expr, ParseError

assert Expr('3 * 5')() == 15
assert Expr('"foo" + "bar"')() == "foobar"
assert Expr('len("example")')() == 7
assert Expr('s.startswith("prefix_")')(s="prefix_suffix") == True

try:
Expr('eval("1")')()
except ParseError as e:
print(e)


Reference
------------
https://github.com/ansible/ansible/blob/devel/lib/ansible/template/safe_eval.py
http://stackoverflow.com/questions/12523516/using-ast-and-whitelists-to-make-pythons-eval-safe

License
------------
MIT