51 lines
1.6 KiB
Python
51 lines
1.6 KiB
Python
#!/usr/bin/python
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from random import choice
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import string
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import traceback
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from django.conf import settings
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import courseware.capa.capa_problem as lcp
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from dogfood.views import update_problem
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def GenID(length=8, chars=string.letters + string.digits):
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return ''.join([choice(chars) for i in range(length)])
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randomid = GenID()
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def check_problem_code(ans,the_lcp,correct_answers,false_answers):
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"""
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ans = student's answer
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the_lcp = LoncapaProblem instance
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returns dict {'ok':is_ok,'msg': message with iframe}
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"""
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pfn = "dog%s" % randomid
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pfn += the_lcp.problem_id.replace('filename','') # add problem ID to dogfood problem name
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update_problem(pfn,ans,filestore=the_lcp.system.filestore)
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msg = '<hr width="100%"/>'
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msg += '<iframe src="%s/dogfood/filename%s" width="95%%" frameborder="1">No iframe support!</iframe>' % (settings.MITX_ROOT_URL,pfn)
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msg += '<hr width="100%"/>'
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is_ok = True
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try:
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# check correctness
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fp = the_lcp.system.filestore.open('problems/%s.xml' % pfn)
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test_lcp = lcp.LoncapaProblem(fp, '1', system=the_lcp.system)
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if not (test_lcp.grade_answers(correct_answers)['1_2_1']=='correct'):
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is_ok = False
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if (test_lcp.grade_answers(false_answers)['1_2_1']=='correct'):
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is_ok = False
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except Exception,err:
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is_ok = False
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msg += "<p>Error: %s</p>" % str(err).replace('<','<')
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msg += "<p><pre>%s</pre></p>" % traceback.format_exc().replace('<','<')
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ret = {'ok':is_ok,
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'msg': msg,
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}
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return ret
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