151bd13666
* Generate common/djangoapps import shims for LMS * Generate common/djangoapps import shims for Studio * Stop appending project root to sys.path * Stop appending common/djangoapps to sys.path * Import from common.djangoapps.course_action_state instead of course_action_state * Import from common.djangoapps.course_modes instead of course_modes * Import from common.djangoapps.database_fixups instead of database_fixups * Import from common.djangoapps.edxmako instead of edxmako * Import from common.djangoapps.entitlements instead of entitlements * Import from common.djangoapps.pipline_mako instead of pipeline_mako * Import from common.djangoapps.static_replace instead of static_replace * Import from common.djangoapps.student instead of student * Import from common.djangoapps.terrain instead of terrain * Import from common.djangoapps.third_party_auth instead of third_party_auth * Import from common.djangoapps.track instead of track * Import from common.djangoapps.util instead of util * Import from common.djangoapps.xblock_django instead of xblock_django * Add empty common/djangoapps/__init__.py to fix pytest collection * Fix pylint formatting violations * Exclude import_shims/ directory tree from linting
102 lines
3.2 KiB
Python
102 lines
3.2 KiB
Python
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import datetime
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import json
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import random
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import sys
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from textwrap import dedent
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from django.contrib.auth.models import User
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from django.core.management.base import BaseCommand
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from pytz import UTC
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from common.djangoapps.student.models import UserTestGroup
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# Examples:
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# python manage.py assigngroups summary_test:0.3,skip_summary_test:0.7 log.txt "Do previews of future materials help?"
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# python manage.py assigngroups skip_capacitor:0.3,capacitor:0.7 log.txt "Do we show capacitor in linearity tutorial?"
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def group_from_value(groups, v):
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"""
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Given group: (('a',0.3),('b',0.4),('c',0.3)) And random value
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in [0,1], return the associated group (in the above case, return
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'a' if v<0.3, 'b' if 0.3<=v<0.7, and 'c' if v>0.7
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"""
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curr_sum = 0
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for (group, p_value) in groups:
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curr_sum = curr_sum + p_value
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if curr_sum > v:
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return group
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return group # For round-off errors
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class Command(BaseCommand):
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help = dedent("""
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Assign users to test groups. Takes a list of groups:
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a:0.3,b:0.4,c:0.3 file.txt "Testing something"
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Will assign each user to group a, b, or c with
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probability 0.3, 0.4, 0.3. Probabilities must
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add up to 1.
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Will log what happened to file.txt.
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""")
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def add_arguments(self, parser):
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parser.add_argument('group_and_score')
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parser.add_argument('log_name')
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parser.add_argument('description')
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def handle(self, *args, **options):
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# Extract groups from string
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group_strs = [x.split(':') for x in options['group_and_score'].split(',')]
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groups = [(group, float(value)) for group, value in group_strs]
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print("Groups", groups)
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# Confirm group probabilities add up to 1
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total = sum(zip(*groups)[1])
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print("Total:", total)
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if abs(total - 1) > 0.01:
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print("Total not 1")
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sys.exit(-1)
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# Confirm groups don't already exist
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for group in dict(groups):
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if UserTestGroup.objects.filter(name=group).count() != 0:
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print(group, "already exists!")
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sys.exit(-1)
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group_objects = {}
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f = open(options['log_name'], "a+")
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# Create groups
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for group in dict(groups):
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utg = UserTestGroup()
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utg.name = group
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utg.description = json.dumps({"description": options['description']},
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{"time": datetime.datetime.now(UTC).isoformat()})
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group_objects[group] = utg
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group_objects[group].save()
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# Assign groups
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users = list(User.objects.all())
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count = 0
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for user in users:
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if count % 1000 == 0:
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print(count)
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count = count + 1
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v = random.uniform(0, 1)
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group = group_from_value(groups, v)
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group_objects[group].users.add(user)
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f.write(u"Assigned user {name} ({id}) to {group}\n".format(
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name=user.username,
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id=user.id,
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group=group
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).encode('utf-8'))
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# Save groups
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for group in group_objects:
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group_objects[group].save()
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f.close()
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