78 lines
3.2 KiB
Python
78 lines
3.2 KiB
Python
#!/usr/bin/python
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"""
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django management command: dump grades to csv files
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for use by batch processes
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"""
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import csv
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from instructor.views.legacy import get_student_grade_summary_data
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from courseware.courses import get_course_by_id
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from opaque_keys import InvalidKeyError
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from opaque_keys.edx.keys import CourseKey
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from opaque_keys.edx.locations import SlashSeparatedCourseKey
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from xmodule.modulestore.django import modulestore
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from django.core.management.base import BaseCommand
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from instructor.utils import DummyRequest
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class Command(BaseCommand):
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help = "dump grades to CSV file. Usage: dump_grades course_id_or_dir filename dump_type\n"
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help += " course_id_or_dir: either course_id or course_dir\n"
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help += " filename: where the output CSV is to be stored\n"
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# help += " start_date: end date as M/D/Y H:M (defaults to end of available data)"
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help += " dump_type: 'all' or 'raw' (see instructor dashboard)"
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def handle(self, *args, **options):
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# current grading logic and data schema doesn't handle dates
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# datetime.strptime("21/11/06 16:30", "%m/%d/%y %H:%M")
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print "args = ", args
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course_id = 'MITx/8.01rq_MW/Classical_Mechanics_Reading_Questions_Fall_2012_MW_Section'
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fn = "grades.csv"
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get_raw_scores = False
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if len(args) > 0:
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course_id = args[0]
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if len(args) > 1:
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fn = args[1]
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if len(args) > 2:
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get_raw_scores = args[2].lower() == 'raw'
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request = DummyRequest()
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# parse out the course into a coursekey
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try:
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course_key = CourseKey.from_string(course_id)
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# if it's not a new-style course key, parse it from an old-style
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# course key
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except InvalidKeyError:
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course_key = SlashSeparatedCourseKey.from_deprecated_string(course_id)
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try:
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course = get_course_by_id(course_key)
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# Ok with catching general exception here because this is run as a management command
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# and the exception is exposed right away to the user.
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except Exception as err: # pylint: disable=broad-except
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print "-----------------------------------------------------------------------------"
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print "Sorry, cannot find course with id {}".format(course_id)
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print "Got exception {}".format(err)
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print "Please provide a course ID or course data directory name, eg content-mit-801rq"
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return
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print "-----------------------------------------------------------------------------"
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print "Dumping grades from {} to file {} (get_raw_scores={})".format(course.id, fn, get_raw_scores)
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datatable = get_student_grade_summary_data(request, course, get_raw_scores=get_raw_scores)
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fp = open(fn, 'w')
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writer = csv.writer(fp, dialect='excel', quotechar='"', quoting=csv.QUOTE_ALL)
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writer.writerow([unicode(s).encode('utf-8') for s in datatable['header']])
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for datarow in datatable['data']:
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encoded_row = [unicode(s).encode('utf-8') for s in datarow]
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writer.writerow(encoded_row)
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fp.close()
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print "Done: {} records dumped".format(len(datatable['data']))
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