def _handle_file_save(path, save, overwrite, *args):
    """
    Handles file collisions when saving files. If "overwrite" is true,
    overwrites file, if "overwrite" is false or the file to be overwritten
    is locked from editing, appends a number on end of filename to avoid
    file collision.

    Args:
        path (str): the path to the file to be saved
        save(): The save function used to save file
        overwrite (bool): true if user wants to overwrite file
        args: generic tuple of arguments used for different save functions

    """
    if os.path.isfile(path):
        if overwrite:
            try:
                print "Saving "" + path + """
                save(path, args)
            # Signifies problem writing file (lack of permissions, open
            # in another program, etc.)
            except EnvironmentError:
                # save as incremented file number
                print "Whoops! Looks like %s is locked!" % path
                path = gen_alt_filename(path)
                save(path, args)
        else:
            # save as incremented file number
            path = gen_alt_filename(path)
            print "Saving as "" + path + "" instead"
            save(path, args)
    else:
        print "Saving "" + path + """
        save(path, args)
    print "n"