1 try: 2 import idlelib.pyshell 3 except ImportError: 4 # IDLE is not installed, but maybe pyshell is on sys.path: 5 from . import pyshell 6 import os 7 idledir = os.path.dirname(os.path.abspath(pyshell.__file__)) 8 if idledir != os.getcwd(): 9 # We're not in the IDLE directory, help the subprocess find run.py 10 pypath = os.environ.get('PYTHONPATH', '') 11 if pypath: 12 os.environ['PYTHONPATH'] = pypath + ':' + idledir 13 else: 14 os.environ['PYTHONPATH'] = idledir 15 pyshell.main() 16 else: 17 idlelib.pyshell.main() 18