How to use the pickleshare.PickleShareDB function in pickleshare

pickleshare dump /path/to/db > dump.txt
        pickleshare load /path/to/db < dump.txt
        pickleshare test /path/to/db
    """)
    DB = PickleShareDB
    import sys
    if len(sys.argv) < 2:
        print(usage)
        return

    cmd = sys.argv[1]
    args = sys.argv[2:]
    if cmd == 'dump':
        if not args: args= ['.']
        db = DB(args[0])
        import pprint
        pprint.pprint(db.items())
    elif cmd == 'load':
        cont = sys.stdin.read()
        db = DB(args[0])
        data = eval(cont)
        db.clear()
        for k,v in db.items():
            db[k] = v
    elif cmd == 'testwait':
        db = DB(args[0])
        db.clear()
        print(db.waitget('250'))
    elif cmd == 'test':
        test()
        stress()

DB = PickleShareDB
    import sys
    if len(sys.argv) < 2:
        print(usage)
        return

    cmd = sys.argv[1]
    args = sys.argv[2:]
    if cmd == 'dump':
        if not args: args= ['.']
        db = DB(args[0])
        import pprint
        pprint.pprint(db.items())
    elif cmd == 'load':
        cont = sys.stdin.read()
        db = DB(args[0])
        data = eval(cont)
        db.clear()
        for k,v in db.items():
            db[k] = v
    elif cmd == 'testwait':
        db = DB(args[0])
        db.clear()
        print(db.waitget('250'))
    elif cmd == 'test':
        test()
        stress()

cmd = sys.argv[1]
    args = sys.argv[2:]
    if cmd == 'dump':
        if not args: args= ['.']
        db = DB(args[0])
        import pprint
        pprint.pprint(db.items())
    elif cmd == 'load':
        cont = sys.stdin.read()
        db = DB(args[0])
        data = eval(cont)
        db.clear()
        for k,v in db.items():
            db[k] = v
    elif cmd == 'testwait':
        db = DB(args[0])
        db.clear()
        print(db.waitget('250'))
    elif cmd == 'test':
        test()
        stress()

"""
Module completion auxiliary functions.
"""

import pkgutil

from pickleshare import PickleShareDB

from spyder.config.base import get_conf_path

# Path to the modules database
MODULES_PATH = get_conf_path('db')

# Modules database
modules_db = PickleShareDB(MODULES_PATH)


def get_submodules(mod):
    """Get all submodules of a given module"""
    def catch_exceptions(module):
        pass
    try:
        m = __import__(mod)
        submodules = [mod]
        submods = pkgutil.walk_packages(m.__path__, m.__name__ + '.',
                                        catch_exceptions)
        for sm in submods:
            sm_name = sm[1]
            submodules.append(sm_name)
    except ImportError:
        return []

# Create namespaces (user_ns, user_global_ns, etc.)
        self.init_create_namespaces(user_module, user_ns)
        # This has to be done after init_create_namespaces because it uses
        # something in self.user_ns, but before init_sys_modules, which
        # is the first thing to modify sys.
        # TODO: When we override sys.stdout and sys.stderr before this class
        # is created, we are saving the overridden ones here. Not sure if this
        # is what we want to do.
        self.save_sys_module_state()
        self.init_sys_modules()

        # While we're trying to have each part of the code directly access what
        # it needs without keeping redundant references to objects, we have too
        # much legacy code that expects ip.db to exist.
        self.db = PickleShareDB(os.path.join(self.profile_dir.location, 'db'))

        self.init_history()
        self.init_encoding()
        self.init_prefilter()

        self.init_syntax_highlighting()
        self.init_hooks()
        self.init_events()
        self.init_pushd_popd_magic()
        self.init_user_ns()
        self.init_logger()
        self.init_builtins()

        # The following was in post_config_initialization
        self.init_inspector()
        self.raw_input_original = input