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) 2011-2017 Adam Hartz <hartz@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 collections.abc
  17. defaults = {
  18. 'csq_soln': '',
  19. 'csq_check_function': lambda sub, soln: sub.strip() == soln.strip(),
  20. 'csq_npoints': 1,
  21. 'csq_msg_function': lambda sub, soln: '',
  22. 'csq_show_check': False
  23. }
  24. def escape(s):
  25. return s.replace('"', '&quot;')
  26. def total_points(**info):
  27. return info['csq_npoints']
  28. def handle_submission(submissions, **info):
  29. check = info['csq_check_function']
  30. sub = submissions[info['csq_name']]
  31. soln = info['csq_soln']
  32. check_result = check(sub, soln)
  33. if isinstance(check_result, collections.abc.Mapping):
  34. score = check_result['score']
  35. msg = check_result['msg']
  36. elif isinstance(check_result, collections.abc.Sequence):
  37. score, msg = check_result
  38. else:
  39. score = check_result
  40. mfunc = info['csq_msg_function']
  41. try:
  42. msg = mfunc(sub, soln)
  43. except:
  44. try:
  45. msg = mfunc(sub)
  46. except:
  47. msg = ''
  48. percent = float(score)
  49. if info['csq_show_check']:
  50. if percent == 1.0:
  51. response = '<img src="BASE/images/check.png" />'
  52. elif percent == 0.0:
  53. response = '<img src="BASE/images/cross.png" />'
  54. else:
  55. response = ''
  56. else:
  57. response = ''
  58. response += msg
  59. return {'score': percent, 'msg': response}
  60. def render_html(last_log, **info):
  61. if last_log is None:
  62. last_log = {}
  63. out = '<input type="text"'
  64. if info.get('csq_size', None) is not None:
  65. out += ' size="%s"' % info['csq_size']
  66. out += ' value="%s"' % escape(last_log.get(info['csq_name'], ''))
  67. out += ' name="%s"' % info['csq_name']
  68. out += ' id="%s"' % info['csq_name']
  69. return out + ' />'
  70. def answer_display(**info):
  71. out = "Solution: %s" % (info['csq_soln'])
  72. return out