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Project description

Note: This package is in the dangerous land of 0.x.y versions and may be subject to breaking changes with minor version increments.

nr.pylang.ast

This package provides tools for processing the AST as generated by the Python ast module.

Module: dynamic_eval

This module provides an AST rewriter that takes and Read/Write operations on global variables and rewrites them to retrieve the variable by a function instead. Non-global variables are left untouched.

Example:

import os
from os import path

parent_dir = path.dirname(__file__)

def main():
  filename = path.join(parent_dir, 'foo.py')
  print(filename)

Will be converted to:

import os; __dict__['os'] = os
from os import path; __dict__['path'] = path

__dict__['parent_dir'] = __dict__['path'].dirname(__dict__['__file__'])

def main():
  filename = __dict__['path'].join(__dict__['parent_dir'], 'foo.py')
  __dict__['print'](filename)

Copyright © 2020 Niklas Rosenstein

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