9cf2f9f298
This will remove imports from __future__ that are no longer needed. https://docs.python.org/3.5/library/2to3.html#2to3fixer-future
95 lines
3.7 KiB
Python
95 lines
3.7 KiB
Python
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import csv
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import os
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from django.core.management.base import BaseCommand, CommandError
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from student.models import UserProfile
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class Command(BaseCommand):
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help = """
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Sets or gets certificate restrictions for users
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from embargoed countries. (allow_certificate in
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userprofile)
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CSV should be comma delimited with double quoted entries.
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$ ... cert_restriction --import path/to/userlist.csv
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Export a list of students who have "allow_certificate" in
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userprofile set to True
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$ ... cert_restriction --output path/to/export.csv
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Enable a single user so she is not on the restricted list
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$ ... cert_restriction -e user
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Disable a single user so she is on the restricted list
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$ ... cert_restriction -d user
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"""
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def add_arguments(self, parser):
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# This command can only take one of these arguments per run, this enforces that.
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group = parser.add_mutually_exclusive_group(required=True)
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group.add_argument('-i', '--import',
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metavar='IMPORT_FILE',
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nargs='?',
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help='CSV file to import, comma delimitted file with double-quoted entries')
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group.add_argument('-o', '--output',
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metavar='EXPORT_FILE',
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nargs='?',
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help='CSV file to export')
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group.add_argument('-e', '--enable',
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metavar='STUDENT',
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nargs='?',
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help='Enable a certificate for a single student')
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group.add_argument('-d', '--disable',
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metavar='STUDENT',
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nargs='?',
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help='Disable a certificate for a single student')
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def handle(self, *args, **options):
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if options['output']:
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if os.path.exists(options['output']):
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raise CommandError("File {0} already exists".format(options['output']))
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disabled_users = UserProfile.objects.filter(allow_certificate=False)
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with open(options['output'], 'w') as csvfile:
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csvwriter = csv.writer(csvfile, delimiter=',', quotechar='"', quoting=csv.QUOTE_MINIMAL)
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for user in disabled_users:
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csvwriter.writerow([user.user.username])
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print('{} disabled users written'.format(len(disabled_users)))
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elif options['import']:
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if not os.path.exists(options['import']):
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raise CommandError("File {0} does not exist".format(options['import']))
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print("Importing students from {0}".format(options['import']))
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with open(options['import']) as csvfile:
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student_list = csv.reader(csvfile, delimiter=',', quotechar='"')
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students = [student[0] for student in student_list]
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if not students:
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raise CommandError("Unable to read student data from {0}".format(options['import']))
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update_cnt = UserProfile.objects.filter(user__username__in=students).update(allow_certificate=False)
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print('{} user(s) disabled out of {} in CSV file'.format(update_cnt, len(students)))
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elif options['enable']:
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print("Enabling {0} for certificate download".format(options['enable']))
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cert_allow = UserProfile.objects.get(user__username=options['enable'])
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cert_allow.allow_certificate = True
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cert_allow.save()
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elif options['disable']:
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print("Disabling {0} for certificate download".format(options['disable']))
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cert_allow = UserProfile.objects.get(user__username=options['disable'])
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cert_allow.allow_certificate = False
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cert_allow.save()
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