AST Calculator

Simple calculator based on Abstract syntax tree. In this case Python's AST.

Usage

Interactive mode:

./calc.py

One off evaluation from command line:

./calc.py "1 + 2"

Evaluation of all expression in the file:

./calc.py -f input_file

Help, as always:

./calc.py --help

Tests

To run test execute:

python -m unittest discover

Functionality

Allowed

• All operators defined in ast
• Functions: log, exp, sqrt, sin, cos
• Const: pi, e

Not allowed

• All other things ;) That included executing Python code