"""Run build Python with the exported Modulus package ahead of the bootstrap."""

import pathlib
import runpy
import sys

def main():
  root, *arguments = sys.argv[1:]
  sys.path[:0] = [str(pathlib.Path(root).resolve()), str(pathlib.Path.cwd())]
  if not arguments:
    raise SystemExit('expected -m MODULE, -c CODE, or a Python script')
  if arguments[0] == '-m' and len(arguments) >= 2:
    sys.argv = arguments[1:]
    runpy.run_module(arguments[1], run_name='__main__', alter_sys=True)
  elif arguments[0] == '-c' and len(arguments) >= 2:
    sys.argv = ['-c', *arguments[2:]]
    exec(compile(arguments[1], '<string>', 'exec'), {'__name__': '__main__'})
  else:
    sys.argv = arguments
    runpy.run_path(arguments[0], run_name='__main__')

if __name__ == '__main__':
  main()