how to import python library via file path code example

Example 1: python how to import library absoluth path

import sys
sys.path.append('/foo/bar/my_module')
# Considering your module contains a function called my_func, you could import it:
from my_module import my_func
# Or you could import the module as a whole,
import my_module

Example 2: python3 import all files in directory

from inspect import isclass
from pkgutil import iter_modules
from pathlib import Path
from importlib import import_module

# iterate through the modules in the current package
package_dir = Path(__file__).resolve().parent
for (_, module_name, _) in iter_modules([package_dir]):

    # import the module and iterate through its attributes
    module = import_module(f"{__name__}.{module_name}")
    for attribute_name in dir(module):
        attribute = getattr(module, attribute_name)

        if isclass(attribute):            
            # Add the class to this package's variables
            globals()[attribute_name] = attribute