importlib_dynamic_module_import_with_spec_validation.py

1import importlib.util
2import sys
3
4# Name of the module to import
5module_name = 'math'
6
7# Check if the module spec exists
8spec = importlib.util.find_spec(module_name)
9if spec is not None:
10    # Import the module dynamically
11    module = importlib.import_module(module_name)
12    
13    # Access a function from the imported module
14    result = module.sqrt(16)
15    print(f"The square root of 16 is: {result}")
16else:
17    print(f"Module {module_name} not found")
18
19# Example of importing a module from a specific file path
20file_path = "/path/to/your/module.py"
21module_name_from_file = "custom_module"
22
23# This part is generally used for more advanced dynamic loading
24# spec = importlib.util.spec_from_file_location(module_name_from_file, file_path)
25# foo = importlib.util.module_from_spec(spec)
26# sys.modules[module_name_from_file] = foo
27# spec.loader.exec_module(foo)