evalidate - Safe evaluation of untrusted user-supplied python expression

• evalidate

  2 21 6.2 Python

  Safe and fast evaluation of untrusted user-supplied python expressions

Here comes evalidate. Evalidate parses expression into AST-tree, and validates every node of tree. For example, you can forbid every function call (example with smartphone will still work, but os.system() will not) or you can whitelist specific safe functions like int(). It's simple to use:

• asteval

  3 0 7.0 Python

  minimalistic evaluator of python expression using ast module

There is asteval project. It makes more poweful (ans slower) virtual python interpreter which you can use to run many commands in shared context. My benchmark (100 000 runs of simple python expressions):

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