on perhaps unloading modules?

[Hope Rouselle]

Martin Di Paola <martinp.dipaola at gmail.com> writes:

> This may not answer your question but it may provide an alternative 
> solution.
>
> I had the same challenge that you an year ago so may be my solution will 
> work for you too.
>
> Imagine that you have a Markdown file that *documents* the expected 
> results.
>
> This is the final exam, good luck!
>
> First I'm going to load your code (the student's code):
>
> ```python
>>>> import student
> ```
>
> Let's see if you programmed correctly a sort algorithm
>
> ```python
>>>> data = [3, 2, 1, 3, 1, 9]
>>>> student.sort_numbers(data)
> [1, 1, 2, 3, 3, 9]
> ```
>
> Let's now if you can choose the correct answer:
>
> ```python
>>>> t = ["foo", "bar", "baz"]
>>>> student.question1(t)
> "baz"
> ```
>
> Now you can run the snippets of code with:
>
>    byexample -l python the_markdown_file.md
>
> What byexample does is to run the Python code, capture the output and 
> compare it with the expected result.
>
> In the above example "student.sort_numbers" must return the list
> sorted.
> That output is compared by byexample with the list written below.
>
> Advantages? Each byexample run is independent of the other and the 
> snippet of codes are executed in a separated Python process. byexample 
> takes care of the IPC.
>
> I don't know the details of your questions so I'm not sure if byexample 
> will be the tool for you. In my case I evaluate my students giving them 
> the Markdown and asking them to code the functions so they return the 
> expected values.

Currently procedures in one question are used in another question.
Nevertheless, perhaps I could (in other tests) design something
different.  Although, to be honest, I would rather not have to use
something like Markdown because that means more syntax for students.

> Depending of how many students you have you may considere to
> complement this with INGInious. It is designed to run students'
> assignments assuming nothing on the untrusted code.
>
> Links:
>
> https://byexamples.github.io/byexample/
> https://docs.inginious.org/en/v0.7/

INGInious looks pretty interesting.  Thank you!