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)

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 …

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, …

The default import method is already "relative", from the PYTHONPATH. The PYTHONPATH is by default, to some system libraries along with the folder of the original source file. If you run with -m to …

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 …

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.

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. …

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

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 …

Feb 1, 2011 · How to enumerate all imported modules? E.g. I would like to get ['os', 'sys'] from this code: import os import sys