Question

I have to import library which is called functions.sage. How can I do it? I tried:

__import__('functions.sage')

and also this:

import imp
imp.load_source('fun', 'functions.sage')

Edit:

Actually I want to import sage lib into sage. And that lib contains sage-specific code. I tired above variants in sage interpreted. And both gave me ‘no functions module’ or something like this.

Answer 1

Summary: in order to load a function from a .sage lib in sage – one has to parse the .sage file first – it will make a .py file – and then import the .py file.

Example:

import os
os.system(os.curdir + os.sep + 'functions.sage')
from functions import states

This way the .sage code got executed in sage – not in python – as it would be if one will use Sven Marnach’s answer (which is absolutely right – but I stated the question in a wrong way – I forgot to mention that the code’s source has to be executed in python.