safe embedded python expression parser (for mainly easy DSL or config file).
pip install embexprfrom 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)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
Nao Yonashiro(@orisano)
MIT