set pythonpath before import statements

Question

My code is:

import scriptlib.abc
import scriptlib.xyz

def foo():
  ... some operations

but the scriptlib is in some other directory, so I

Answer 1

As also noted in the docs here.
Go to Python X.X/Lib and add these lines to the site.py there,

import sys
sys.path.append("yourpathstring")

This changes your sys.path so that on every load, it will have that value in it..

As stated here about site.py,

This module is automatically imported during initialization. Importing this module will append site-specific paths to the module search path and add a few builtins.

For other possible methods of adding some path to sys.path see these docs