library/python/runtime_py3/entry_points.py


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import sys 
 
import __res 
 
 
def repl(): 
    user_ns = {} 
    py_main = __res.find('PY_MAIN') 
 
    if py_main: 
        mod_name, func_name = (py_main.split(b':', 1) + [None])[:2] 
        try: 
            import importlib 
            mod = importlib.import_module(mod_name.decode('UTF-8')) 
            user_ns = mod.__dict__ 
        except: 
            import traceback 
            traceback.print_exc() 
 
        if func_name and '__main__' not in user_ns: 
            def run(args): 
                if isinstance(args, str):
                    import shlex 
                    args = shlex.split(args) 
 
                import sys 
                sys.argv = [sys.argv[0]] + args 
                getattr(mod, func_name)() 
 
            user_ns['__main__'] = run 
 
    try: 
        import IPython 
    except ModuleNotFoundError: 
        pass 
    else: 
        return IPython.start_ipython(user_ns=user_ns) 
 
    import code 
    code.interact(local=user_ns) 
 
 
def resource_files(): 
    sys.stdout.buffer.write(b'\n'.join(sorted(__res.resfs_files()) + [b''])) 


def run_constructors():
    for key, module_name in __res.iter_keys(b'py/constructors/'):
        import importlib
        module = importlib.import_module(module_name.decode())
        init_func = getattr(module, __res.find(key).decode())
        init_func()