from os.path.join(path1,path2,filename) import *

from importlib import import_module

module = importmodule('.'.join([path1, path2, filename[:-3]])
for attr in dir(module):
    globals()[attr] = getattr(module, attr)

namespace = {}

for attr in dir(module):
    namespace[attr] = getattr(module, attr)

def import_path(path1, path2, module_name, namespace=None):
    import sys
    from importlib import import_module
    from pathlib import Path # new code should use this instead of "os.path" stuff
    path = Path(path1).joinpath(path2)
    name = module_name[-3:] if module_name.endswith(".py") else module_name
    try:
        sys.path.insert(0, str(path))
        module = import_module(name)
    finally:
        sys.path.remove(str(path))
    if namespace is None:
        namespace = sys._getframe().f_back.f_globals()
    for name in dir(module):
        namespace[name] = getattr(module, name)