Over Complicating Hello World

Posted in Software

I came accross this TikTok video recently, where the presenter shows how to make an “Object Oriented” Hello World program. It made me laugh so much, I thought I would try my own hello world program.

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This is my solution, which uses the Python ast module to inspect the script looking for functions to use in the hello world message.

#!/usr/bin/env python3

import ast

def Hello():
    ...

def World():
    ...

class Visitor(ast.NodeVisitor):
    def __init__(self):
        self.functions: list[str] = []

    def visit_FunctionDef(self, node: ast.AST):
        if '_' not in node.name and node.name[0].isupper():
            self.functions.append(node.name)
        self.generic_visit(node)

def _say_hi():
    with open(__file__, 'r') as fd:
        code = fd.read()
    node = ast.parse(code)
    visitor = Visitor()
    visitor.visit(node)
    print(' '.join(visitor.functions))

if __name__ == '__main__':
    _say_hi()