ref: 1d3644a1684bd191f3a36568d94c2587c2d9f24f
dir: /sys/lib/python/idlelib/idle.py/
try: import idlelib.PyShell except ImportError: # IDLE is not installed, but maybe PyShell is on sys.path: try: import PyShell except ImportError: raise else: import os idledir = os.path.dirname(os.path.abspath(PyShell.__file__)) if idledir != os.getcwd(): # We're not in the IDLE directory, help the subprocess find run.py pypath = os.environ.get('PYTHONPATH', '') if pypath: os.environ['PYTHONPATH'] = pypath + ':' + idledir else: os.environ['PYTHONPATH'] = idledir PyShell.main() else: idlelib.PyShell.main()