CS131 Project Sample Grading Script

• This is not really a grading script because you didn't see any grading
• The evaluation giving you True / False something is somewhat partial credits for each task
• This is the simplest version of the core part of the grading script, but it doesn't contain any real test case
• You may regard it as a super client (who has the power of starting a server) as well.

[WARNING] This is NOT the real grading script

• If you pass this script with ordinary manner, then you should be fine
• Don't try to fool our grading script by hard-coding any answer inside, the real test cases are totally different
• We have much stronger checking points that what is listed in evaluate.py, please do not try to fool our script by hacking the criterias.

Recent Updates

• SEASnet has some servers where the environment e.g. path is not the same as what we've tested upon, and couldn't recognize lsof. To make it work, consider trying:

PATH="/usr/sbin/:$PATH" python3 client_basic.py

Background

• This is for UCLA CS131 (Programming Languages) Project (instructor: Prof. Paul Eggert)
• This project is on Python, specifically aiming at the use of asyncio and aiohttp
• To complete the project a Google Map API Key is needed, I tried, in order to get rid of the limit you need payment information attached.

Resource

• Thanks to previous-year TA, Wenhao's code
• Following discussion online, to kill the process occupying port 8000 we could run:

lsof -ti:8000 | xargs kill

• To find who is listening to port 8000:

lsof -i:8000

• To run a script in the background I used nohup
• To execute command line within Python:

  import os
  os.system('sox input.wav -b 24 output.aiff rate -v -L -b 90 48k')

• under hint code repo I put my hint code for you to get started with this project there.

Usage

• put your server.py and all other needed .py files under the sample_submission folder
• modify the port number in client_basic.py (or keep them the same if you run on local machine --- the easiest way to test your code is to change your port number to around 800X and then test them on your local machine)
  • If you run on your local environment and see error of ssl, please try replacing aiohttp.ClientSession() with aiohttp.ClientSession(connector=aiohttp.TCPConnector(ssl=False)).
• could run single evaluation by

  python client_basic.py

• Guaranteed to work on mac and linux, not 100% sure about Windows.
• Once it works, feel free to add your own test cases in client_basic.SuperClient.test
• Before final submission, remove your server.py, and test whether or not your file could be successfully unzipped by:
  1. Putting your project.tgz file under sample_submission
  2. Come back to this directory, and run python preprocess.py.

About organizing log files

You might want to have a look at os.mkdir and os.path.exists

What kind of submission is safe?

1. Unzip your file, by putting your file for submit (preferrably project.tgz) under sample_submission folder, and then running python preprocess.py.
2. After you unzip your files into the sample_submission folder, with no extra effort required (e.g. don't need to create an empty folder manually, etc.), we can always make client_basic run (I mean if you occupy others' port then it is not guaranteed to work).