def from_user(user, n_questions=settings.QUESTIONS_PER_SET):
"""
Generate a new test set for this user using their profile to determine
the appropriate syllabus.
"""
set_type, plugin_set = TestSet._get_plugin_set(user)
test_set = TestSet(user=user, random_seed=random.randrange(0, 2**30),
set_type=set_type)
test_set.save()
from kanji_test.drill import load_plugins
from kanji_test.drill.plugin_api import UnsupportedItem
question_plugins = load_plugins(plugin_set)
items = user.get_profile().syllabus.get_random_items(n_questions)
questions = []
for item in items:
has_kanji = item.has_kanji()
available_plugins = [p for p in question_plugins if \
p.requires_kanji == has_kanji]
question = None
while question == None and available_plugins:
i = random.randrange(len(available_plugins))
chosen_plugin = available_plugins[i]
try:
question = chosen_plugin.get_question(item, user)
questions.append(question)
except UnsupportedItem:
# Oh well, try again with another plugin
del available_plugins[i]
test_set.questions = questions
return test_set
def forwards(self, orm):
"Write your forwards migration here"
renames = {}
for plugin in load_plugins():
old_name = str(plugin.__class__.__name__)
renames[old_name] = plugin.verbose_name
for question_plugin in QuestionPlugin.objects.all():
if question_plugin.name in renames:
new_name = renames[question_plugin.name]
print "%s -> %s" % (question_plugin.name, new_name)
try:
existing_rename = QuestionPlugin.objects.get(name=new_name)
question_plugin.question_set.update(
question_plugin=existing_rename)
question_plugin.delete()
except ObjectDoesNotExist:
question_plugin.name = new_name
question_plugin.save()
