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- # based on https://stackoverflow.com/a/39381428
- # Parses and executes a block of Python code, and returns the eval result of the last statement
- import ast
- def exec_then_eval(code, _globals={}, _locals={}):
- block = ast.parse(code, mode='exec')
- # assumes last node is an expression
- last = ast.Expression(block.body.pop().value)
- extended_globals = {
- '__builtins__': {'isinstance': isinstance, 'print': print, 'int': int, 'float': float, 'bool': bool, 'str': str, 'tuple': tuple, 'len': len, 'set': set, 'dict': dict },
- **_globals,
- }
- exec(compile(block, '<string>', mode='exec'), extended_globals, _locals)
- return eval(compile(last, '<string>', mode='eval'), extended_globals, _locals)
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