With Python older than 2.7/3.1, that’s pretty much how you do it. For newer versions, see importlib.import_module for Python 2 and Python 3. You can use exec if you want to as well. Or using __import__ you can import a list of modules by doing this: >>> moduleNames = [‘sys’, ‘os’, ‘re’, ‘unittest’] >>> moduleNames … Read more
Because it puts a lot of stuff into your namespace (might shadow some other object from previous import and you won’t know about it). Because you don’t know exactly what is imported and can’t easily find from which module a certain thing was imported (readability). Because you can’t use cool tools like pyflakes to statically … Read more
Everyone seems to want to tell you what you should be doing rather than just answering the question. The problem is that you’re running the module as ‘__main__’ by passing the mod1.py as an argument to the interpreter. From PEP 328: Relative imports use a module’s __name__ attribute to determine that module’s position in the … Read more
You can reload a module when it has already been imported by using importlib.reload(): from importlib import reload # Python 3.4+ import foo while True: # Do some things. if is_changed(foo): foo = reload(foo) In Python 2, reload was a builtin. In Python 3, it was moved to the imp module. In 3.4, imp was … Read more
How do I import a module given the full path?