How do I import files in Python? I want to import: a file (e.g. file.py) a folder a file dynamically at runtime, based on user input one specific part of a file (e.g. a single function)

The recommended way for Python 2.7 and 3.1 and later is to use importlib module: importlib.import_module(name, package=None) Import a module. The name argument specifies …

Python 2.6 and 3.x supports proper relative imports, where you can avoid doing anything hacky. With this method, you know you are getting a relative import rather than an absolute import.

Although Python's interpreter is optimized to not import the same module multiple times, repeatedly executing an import statement can seriously affect performance in some circumstances.

Jun 24, 2013 · I have a medium size Python application with modules files in various subdirectories. I have created modules that append these subdirectories to sys.path and imports a group of modules, …

Oct 28, 2014 · There's a hell of a difference between importing specific named identifiers 'from module import X,Y,Z vs 'from module import *. The latter pollutes your namespace and can give …

Can't import my own modules in Python Asked 13 years, 10 months ago Modified 1 year, 6 months ago Viewed 578k times

I do the relative imports as from ..sub2 import mod2 and then, if I want to run mod1.py then I go to the parent directory of app and run the module using the python -m switch as python -m app.sub1.mod1. …

Apr 3, 2009 · 4) Import by prepending mainfolder to every import In this example, the mainfolder would be ptdraft. This has the advantage that you will not run into name collisions with other module names …

Jan 13, 2009 · To quote from the docs: Python module’s code is recompiled and the module-level code re-executed, defining a new set of objects which are bound to names in the module’s dictionary by …