RenPy persistent editor

#!/usr/bin/env python2
# -*- coding: utf-8 -*-

# python2 — for renpy

# Created by Anonymous
# WTFPL http://wtfpl.org/

def import_renpy(renpypath):
    """Let it loads its modules"""
    import sys
    sys.path.append(renpypath)
    import renpy
    import renpy.object
    import renpy.game
    import renpy.preferences


def load():
    global persname
    global pers
    import cPickle as pickle
    with open(persname, "rb") as pfl:
        s = pfl.read().decode("zlib")
        pers = pickle.loads(s)
    print("Loaded persistent data into pers variable")

def save():
    global persname
    global pers
    import cPickle as pickle
    with open(persname, "w+") as pfl:
        pdata = pickle.dumps(pers)
        pfl.write(pdata.encode("zlib"))
        pfl.flush()
    print("Saved persistent data from pers variable")

def getargs():
    import argparse
    parser = argparse.ArgumentParser(description="RenPy pers shell")
    parser.add_argument('-ren', '--renpy-file', required = True, help = "RenPy persistent file")
    parser.add_argument('-gdr', '--game-dir', required = True, help = "Game dir with RenPy subfolder")

    return parser.parse_args()

def runipython(*kvargs, **kwargs):
    import inspect
    for (k,v) in kwargs.items():
        inspect.stack()[0][0].f_locals[k] = v
    from IPython import embed
    embed()

def main():
    global pers
    global persname
    pers = None

    args = getargs()
    gdr = args.game_dir
    persname = args.renpy_file

    import_renpy(gdr)
    load()
    runipython(pers = pers, load = load, save = save)

if __name__ == '__main__':
    main()