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 …

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 …

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 …

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 …

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 …

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

My issue was that it was installed for Python, but not for Python 3. To check to see if a module is installed for Python 3, run: python3 -m pip uninstall moduleName After doing this, if you find …

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 …

Just create an empty __init__.py file and add it in root as well as all the sub directory/folder of your python application where you have other python modules.