A simple script for bulk-adding extensions on Gradescope.
Usage:
GRADESCOPE_EMAIL=... GRADESCOPE_PASSWORD=... \\
python3 extend_assignment.py \\
--url https://www.gradescope.com/courses/1226014/assignments/8054263/grade \\
--csv students.csv \\
--late-due 2026-05-10T23:59:00
Examples:
# Extend only the late due date:
python3 extend_assignment.py --url ... --csv ... --late-due 2026-05-10T23:59:00
# Extend only the due date:
python3 extend_assignment.py --url ... --csv ... --due 2026-05-08T23:59:00
# Extend both:
python3 extend_assignment.py --url ... --csv ... \\
--due 2026-05-08T23:59:00 --late-due 2026-05-10T23:59:00
CSV must have an `email` column header.
At least one of --due or --late-due is required (if both, --due <= --late-due).
Dates are ISO 8601, interpreted in America/Los_Angeles.