Skip to main content

safe embedded python expression parser

Project description

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


Download files

Download the file for your platform. If you're not sure which to choose, learn more about installing packages.

Filename, size & hash SHA256 hash help File type Python version Upload date
embexpr-1.0.1-py2.py3-none-any.whl (3.5 kB) Copy SHA256 hash SHA256 Wheel py2.py3
embexpr-1.0.1.tar.gz (4.1 kB) Copy SHA256 hash SHA256 Source None

Supported by

Elastic Elastic Search Pingdom Pingdom Monitoring Google Google BigQuery Sentry Sentry Error logging AWS AWS Cloud computing DataDog DataDog Monitoring Fastly Fastly CDN SignalFx SignalFx Supporter DigiCert DigiCert EV certificate StatusPage StatusPage Status page