Help newbie with how to call a source command

Hi all,   I'm landing here because I need some help that I couldn't get through it. Question 1. I want to call a source command from python script. It will source some variables enviroment for further commands. I tried the following which did not work os.sys('source '+source_text) call(['source'

a popen question. Please help

Hi all, I write a small script texts = os.popen('top').readlines() print texts It calls the command line "top" and will print out some texts. But first I have to press the keyboard "q" to quit the subprocess "top", then the texts will be printed, otherwise it just stands by with blank. Questio

a popen command line question

Hi all, I write a small script status = os.popen('top').readlines() print status It calls the command line "top" and will print out the status. But I have to press the keyboard "q" to quit "top", then the status will be printed, otherwise it just stands by with blank. Question is. Do you know