codePost snippet to assign graders to specific submissions, given a CSV file

codePost-assign-graders.py

import codepost

# variable parameters
# get the API key here: https://codepost.io/settings
API_KEY = "... see above where to get this ..."
COURSE_NAME = "COS126"
COURSE_TERM = "F2022"
ASSIGNMENT = "Final Project Proposal PDF"

DEFAULT_TEACHER = "pparedes@princeton.edu"

# read assignments of students -> teacher from a CSV file
student_to_teacher = {
    line.strip().split(",")[0] : line.strip().split(",")[1]
    for line in open("cos126-f2022-final-project-partnerships-signups.csv").readlines()
    if line.strip() != ""
}

# authenticate
codepost.configure_api_key(API_KEY)

# retrieve the course, and then the assignment
# (will crash if the user of the API key doesn't have access to the course)
course = codepost.course.list_available(name=COURSE_NAME, period=COURSE_TERM)[0]
assignment = course.assignments.by_name(name=ASSIGNMENT)

errors = []

# iterate over all submissions
for submission in assignment.list_submissions():
    
    # lookup grader for this submission
    # (we assume both students are assigned the same grader)
    teacher = student_to_teacher.get(
        submission.students[0],
        DEFAULT_TEACHER 
    )
    
    # claim submission
    submission.grader = teacher
    
    try:
        # save changes
        submission.save()
    except:
        errors.append(submission)
        pass