CAT-SOOP is a flexible, programmable learning management system based on the Python programming language. https://catsoop.mit.edu
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  1. # This file is part of CAT-SOOP
  2. # Copyright (c) 2011-2020 by The CAT-SOOP Developers <catsoop-dev@mit.edu>
  3. #
  4. # This program is free software: you can redistribute it and/or modify it under
  5. # the terms of the GNU Affero General Public License as published by the Free
  6. # Software Foundation, either version 3 of the License, or (at your option) any
  7. # later version.
  8. #
  9. # This program is distributed in the hope that it will be useful, but WITHOUT
  10. # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  11. # FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
  12. # details.
  13. #
  14. # You should have received a copy of the GNU Affero General Public License
  15. # along with this program. If not, see <http://www.gnu.org/licenses/>.
  16. import ast
  17. tutor.qtype_inherit("pythonic")
  18. base, _ = tutor.question("pythonic")
  19. def handle_submission(submissions, **info):
  20. sub = submissions[info["csq_name"]].strip()
  21. inp = info["csq_input_check"](sub)
  22. if inp is not None:
  23. return {"score": 0.0, "msg": '<font color="red">%s</font>' % inp}
  24. try:
  25. x = ast.parse(sub).body[0].value
  26. assert not isinstance(x, ast.BinOp)
  27. ast.literal_eval(x)
  28. except:
  29. return {"score": 0.0, "msg": "Value must be a valid Python literal."}
  30. return base["handle_submission"](submissions, **info)