Excute script only from another file

[Steven D'Aprano]

On Mon, 25 Nov 2013 18:28:42 -0800, Rick Johnson wrote:

> On Monday, November 25, 2013 4:52:46 AM UTC-6, Himanshu Garg wrote:
> 
>> My motive is "I will give scripts to somebody else and he should not
>> run the script directly without running the parent script".
> 
> The only sure fire method to prevent a file containing Python code from
> executing on a machine with Python installed is to 
[snip bad advice]

... is to delete Python from the system, or the Python code. Or both.

If Python can read a file, it can exec it.

I suppose you could use file permissions and ACLs to prevent Python from 
reading the file, rather than delete it, but given the possibility of 
privilege-escalation security vulnerabilities, even that's not sure-fire.


-- 
Steven