"""
Launch the Python script on the command line after
setuptools is bootstrapped via import.
"""

# Note that setuptools gets imported implicitly by the
# invocation of this script using python -m setuptools.launch

import tokenize
import sys


def run():
	"""
	Run the script in sys.argv[1] as if it had
	been invoked naturally.
	"""
	__builtins__
	script_name = sys.argv[1]
	namespace = dict(
		__file__ = script_name,
		__name__ = '__main__',
		__doc__ = None,
	)
	sys.argv[:] = sys.argv[1:]

	open_ = getattr(tokenize, 'open', open)
	script = open_(script_name).read()
	norm_script = script.replace('\\r\\n', '\\n')
	code = compile(norm_script, script_name, 'exec')
	exec(code, namespace)


if __name__ == '__main__':
	run()