jpayne@69: """
jpayne@69: Launch the Python script on the command line after
jpayne@69: setuptools is bootstrapped via import.
jpayne@69: """
jpayne@69: 
jpayne@69: # Note that setuptools gets imported implicitly by the
jpayne@69: # invocation of this script using python -m setuptools.launch
jpayne@69: 
jpayne@69: import sys
jpayne@69: import tokenize
jpayne@69: 
jpayne@69: 
jpayne@69: def run():
jpayne@69:     """
jpayne@69:     Run the script in sys.argv[1] as if it had
jpayne@69:     been invoked naturally.
jpayne@69:     """
jpayne@69:     __builtins__
jpayne@69:     script_name = sys.argv[1]
jpayne@69:     namespace = dict(
jpayne@69:         __file__=script_name,
jpayne@69:         __name__='__main__',
jpayne@69:         __doc__=None,
jpayne@69:     )
jpayne@69:     sys.argv[:] = sys.argv[1:]
jpayne@69: 
jpayne@69:     open_ = getattr(tokenize, 'open', open)
jpayne@69:     with open_(script_name) as fid:
jpayne@69:         script = fid.read()
jpayne@69:     norm_script = script.replace('\\r\\n', '\\n')
jpayne@69:     code = compile(norm_script, script_name, 'exec')
jpayne@69:     exec(code, namespace)
jpayne@69: 
jpayne@69: 
jpayne@69: if __name__ == '__main__':
jpayne@69:     run()