jpayne@68: """
jpayne@68: Launch the Python script on the command line after
jpayne@68: setuptools is bootstrapped via import.
jpayne@68: """
jpayne@68: 
jpayne@68: # Note that setuptools gets imported implicitly by the
jpayne@68: # invocation of this script using python -m setuptools.launch
jpayne@68: 
jpayne@68: import sys
jpayne@68: import tokenize
jpayne@68: 
jpayne@68: 
jpayne@68: def run():
jpayne@68:     """
jpayne@68:     Run the script in sys.argv[1] as if it had
jpayne@68:     been invoked naturally.
jpayne@68:     """
jpayne@68:     __builtins__
jpayne@68:     script_name = sys.argv[1]
jpayne@68:     namespace = dict(
jpayne@68:         __file__=script_name,
jpayne@68:         __name__='__main__',
jpayne@68:         __doc__=None,
jpayne@68:     )
jpayne@68:     sys.argv[:] = sys.argv[1:]
jpayne@68: 
jpayne@68:     open_ = getattr(tokenize, 'open', open)
jpayne@68:     with open_(script_name) as fid:
jpayne@68:         script = fid.read()
jpayne@68:     norm_script = script.replace('\\r\\n', '\\n')
jpayne@68:     code = compile(norm_script, script_name, 'exec')
jpayne@68:     exec(code, namespace)
jpayne@68: 
jpayne@68: 
jpayne@68: if __name__ == '__main__':
jpayne@68:     run()