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# Author: Matt Giuca, Will Grant
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"""Database utilities and content classes.
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Database Classes and Utilities for Storm ORM
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This module provides all of the classes which map to database tables.
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It also provides miscellaneous utility functions for database interaction.
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from storm.locals import create_database, Store, Int, Unicode, DateTime, \
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Reference, ReferenceSet, Bool, Storm, Desc
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from storm.expr import Select, Max
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from storm.exceptions import NotOneError, IntegrityError
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from ivle.worksheet.rst import rst
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__all__ = ['get_store',
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'Subject', 'Semester', 'Offering', 'Enrolment',
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'ProjectSet', 'Project', 'ProjectGroup', 'ProjectGroupMembership',
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'Assessed', 'ProjectSubmission', 'ProjectExtension',
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'Exercise', 'Worksheet', 'WorksheetExercise',
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'ExerciseSave', 'ExerciseAttempt',
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'TestCase', 'TestSuite', 'TestSuiteVar'
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'AlreadyEnrolledError', 'TestCase', 'TestSuite', 'TestSuiteVar'
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def _kwarg_init(self, **kwargs):
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% (self.__class__.__name__, k))
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setattr(self, k, v)
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def get_conn_string(config):
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"""Create a Storm connection string to the IVLE database
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@param config: The IVLE configuration.
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def get_conn_string():
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Returns the Storm connection string, generated from the conf file.
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if config['database']['username']:
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clusterstr += config['database']['username']
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if config['database']['password']:
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clusterstr += ':' + config['database']['password']
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clusterstr += ivle.conf.db_user
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if ivle.conf.db_password:
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clusterstr += ':' + ivle.conf.db_password
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host = config['database']['host'] or 'localhost'
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port = config['database']['port'] or 5432
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host = ivle.conf.db_host or 'localhost'
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port = ivle.conf.db_port or 5432
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clusterstr += '%s:%d' % (host, port)
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return "postgres://%s/%s" % (clusterstr, config['database']['name'])
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def get_store(config):
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"""Create a Storm store connected to the IVLE database.
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@param config: The IVLE configuration.
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return Store(create_database(get_conn_string(config)))
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return "postgres://%s/%s" % (clusterstr, ivle.conf.db_dbname)
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Open a database connection and transaction. Return a storm.store.Store
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instance connected to the configured IVLE database.
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return Store(create_database(get_conn_string()))
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"""An IVLE user account."""
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Represents an IVLE user.
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__storm_table__ = "login"
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id = Int(primary=True, name="loginid")
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'''A sanely ordered list of all of the user's enrolments.'''
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return self._get_enrolments(False)
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def get_projects(self, offering=None, active_only=True):
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"""Find projects that the user can submit.
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This will include projects for offerings in which the user is
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enrolled, as long as the project is not in a project set which has
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groups (ie. if maximum number of group members is 0).
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@param active_only: Whether to only search active offerings.
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@param offering: An optional offering to restrict the search to.
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return Store.of(self).find(Project,
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Project.project_set_id == ProjectSet.id,
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ProjectSet.max_students_per_group == None,
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ProjectSet.offering_id == Offering.id,
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(offering is None) or (Offering.id == offering.id),
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Semester.id == Offering.semester_id,
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(not active_only) or (Semester.state == u'current'),
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Enrolment.offering_id == Offering.id,
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Enrolment.user_id == self.id,
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Enrolment.active == True)
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def hash_password(password):
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"""Hash a password with MD5."""
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return hashlib.md5(password).hexdigest()
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return md5.md5(password).hexdigest()
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def get_by_login(cls, store, login):
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"""Find a user in a store by login name."""
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Get the User from the db associated with a given store and
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return store.find(cls, cls.login == unicode(login)).one()
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def get_svn_url(self, config, req):
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"""Get the subversion repository URL for this user or group."""
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login = req.user.login
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url = urlparse.urlsplit(config['urls']['svn_addr'])
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url = urlparse.urlunsplit(url[:1] + (login+'@'+url[1],) + url[2:])
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path = 'users/%s' % self.login
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return urlparse.urljoin(url, path)
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def get_permissions(self, user, config):
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"""Determine privileges held by a user over this object.
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If the user requesting privileges is this user or an admin,
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they may do everything. Otherwise they may do nothing.
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def get_permissions(self, user):
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if user and user.admin or user is self:
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return set(['view_public', 'view', 'edit', 'submit_project'])
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return set(['view', 'edit'])
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return set(['view_public'])
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# SUBJECTS AND ENROLMENTS #
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class Subject(Storm):
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"""A subject (or course) which is run in some semesters."""
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__storm_table__ = "subject"
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id = Int(primary=True, name="subjectid")
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code = Unicode(name="subj_code")
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name = Unicode(name="subj_name")
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short_name = Unicode(name="subj_short_name")
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offerings = ReferenceSet(id, 'Offering.subject_id')
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return "<%s %r in %r>" % (type(self).__name__, self.subject,
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def enrol(self, user, role=u'student'):
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"""Enrol a user in this offering.
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Enrolments handle both the staff and student cases. The role controls
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the privileges granted by this enrolment.
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enrolment = Store.of(self).find(Enrolment,
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Enrolment.user_id == user.id,
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Enrolment.offering_id == self.id).one()
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if enrolment is None:
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enrolment = Enrolment(user=user, offering=self)
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self.enrolments.add(enrolment)
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enrolment.active = True
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enrolment.role = role
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def unenrol(self, user):
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'''Unenrol a user from this offering.'''
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enrolment = Store.of(self).find(Enrolment,
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Enrolment.user_id == user.id,
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Enrolment.offering_id == self.id).one()
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Store.of(enrolment).remove(enrolment)
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def get_permissions(self, user, config):
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def enrol(self, user):
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'''Enrol a user in this offering.'''
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# We'll get a horrible database constraint violation error if we try
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# to add a second enrolment.
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if Store.of(self).find(Enrolment,
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Enrolment.user_id == user.id,
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Enrolment.offering_id == self.id).count() == 1:
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raise AlreadyEnrolledError()
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e = Enrolment(user=user, offering=self, active=True)
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self.enrolments.add(e)
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def get_permissions(self, user):
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if user is not None:
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enrolment = self.get_enrolment(user)
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if enrolment or user.admin:
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if enrolment and enrolment.role == u'tutor':
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perms.add('view_project_submissions')
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# Site-specific policy on the role of tutors
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if config['policy']['tutors_can_enrol_students']:
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perms.add('enrol_student')
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if config['policy']['tutors_can_edit_worksheets']:
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perms.add('edit_worksheets')
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if config['policy']['tutors_can_admin_groups']:
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perms.add('admin_groups')
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if (enrolment and enrolment.role in (u'lecturer')) or user.admin:
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perms.add('view_project_submissions')
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perms.add('admin_groups')
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perms.add('edit_worksheets')
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perms.add('view_worksheet_marks')
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perms.add('edit') # Can edit projects & details
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perms.add('enrol') # Can see enrolment screen at all
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perms.add('enrol_student') # Can enrol students
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perms.add('enrol_tutor') # Can enrol tutors
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perms.add('enrol_lecturer') # Can enrol lecturers
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def get_enrolment(self, user):
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"""Find the user's enrolment in this offering."""
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enrolment = self.enrolments.find(user=user).one()
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def get_members_by_role(self, role):
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return Store.of(self).find(User,
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Enrolment.user_id == User.id,
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Enrolment.offering_id == self.id,
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Enrolment.role == role
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).order_by(User.login)
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return self.get_members_by_role(u'student')
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def get_open_projects_for_user(self, user):
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"""Find all projects currently open to submissions by a user."""
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# XXX: Respect extensions.
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return self.projects.find(Project.deadline > datetime.datetime.now())
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def has_worksheet_cutoff_passed(self, user):
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"""Check whether the worksheet cutoff has passed.
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A user is required, in case we support extensions.
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if self.worksheet_cutoff is None:
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return self.worksheet_cutoff < datetime.datetime.now()
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def clone_worksheets(self, source):
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"""Clone all worksheets from the specified source to this offering."""
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import ivle.worksheet.utils
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for worksheet in source.worksheets:
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newws.seq_no = worksheet.seq_no
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newws.identifier = worksheet.identifier
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newws.name = worksheet.name
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newws.assessable = worksheet.assessable
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newws.published = worksheet.published
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newws.data = worksheet.data
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newws.format = worksheet.format
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newws.offering = self
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Store.of(self).add(newws)
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ivle.worksheet.utils.update_exerciselist(newws)
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class Enrolment(Storm):
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"""An enrolment of a user in an offering.
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This represents the roles of both staff and students.
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__storm_table__ = "enrolment"
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__storm_primary__ = "user_id", "offering_id"
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return "<%s %d in %r>" % (type(self).__name__, self.id,
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def get_permissions(self, user, config):
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return self.offering.get_permissions(user, config)
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def get_groups_for_user(self, user):
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"""List all groups in this offering of which the user is a member."""
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return Store.of(self).find(
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ProjectGroupMembership.user_id == user.id,
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ProjectGroupMembership.project_group_id == ProjectGroup.id,
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ProjectGroup.project_set_id == self.id)
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def get_submission_principal(self, user):
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"""Get the principal on behalf of which the user can submit.
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If this is a solo project set, the given user is returned. If
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the user is a member of exactly one group, all the group is
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returned. Otherwise, None is returned.
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groups = self.get_groups_for_user(user)
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if groups.count() == 1:
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return self.max_students_per_group is not None
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"""Get the entities (groups or users) assigned to submit this project.
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This will be a Storm ResultSet.
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#If its a solo project, return everyone in offering
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return self.project_groups
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return self.offering.students
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class DeadlinePassed(Exception):
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"""An exception indicating that a project cannot be submitted because the
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deadline has passed."""
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return "The project deadline has passed"
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class Project(Storm):
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"""A student project for which submissions can be made."""
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__storm_table__ = "project"
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id = Int(name="projectid", primary=True)
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short_name = Unicode()
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synopsis = Unicode()
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project_set_id = Int(name="projectsetid")
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project_set = Reference(project_set_id, ProjectSet.id)
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deadline = DateTime()
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assesseds = ReferenceSet(id, 'Assessed.project_id')
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submissions = ReferenceSet(id,
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'Assessed.project_id',
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'ProjectSubmission.assessed_id')
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__init__ = _kwarg_init
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def __repr__(self):
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return "<%s '%s' in %r>" % (type(self).__name__, self.short_name,
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return "<%s '%s' in %r>" % (type(self).__name__, self.synopsis,
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self.project_set.offering)
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def can_submit(self, principal, user):
615
return (self in principal.get_projects() and
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not self.has_deadline_passed(user))
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def submit(self, principal, path, revision, who):
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"""Submit a Subversion path and revision to a project.
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@param principal: The owner of the Subversion repository, and the
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entity on behalf of whom the submission is being made
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@param path: A path within that repository to submit.
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@param revision: The revision of that path to submit.
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@param who: The user who is actually making the submission.
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if not self.can_submit(principal, who):
629
raise DeadlinePassed()
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a = Assessed.get(Store.of(self), principal, self)
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ps = ProjectSubmission()
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# Raise SubmissionError if the path is illegal
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ps.path = ProjectSubmission.test_and_normalise_path(path)
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ps.revision = revision
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ps.date_submitted = datetime.datetime.now()
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def get_permissions(self, user, config):
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return self.project_set.offering.get_permissions(user, config)
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def latest_submissions(self):
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"""Return the latest submission for each Assessed."""
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return Store.of(self).find(ProjectSubmission,
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Assessed.project_id == self.id,
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ProjectSubmission.assessed_id == Assessed.id,
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ProjectSubmission.date_submitted == Select(
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Max(ProjectSubmission.date_submitted),
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ProjectSubmission.assessed_id == Assessed.id,
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tables=ProjectSubmission
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def has_deadline_passed(self, user):
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"""Check whether the deadline has passed."""
660
# XXX: Need to respect extensions.
661
return self.deadline < datetime.datetime.now()
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def get_submissions_for_principal(self, principal):
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"""Fetch a ResultSet of all submissions by a particular principal."""
665
assessed = Assessed.get(Store.of(self), principal, self)
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return assessed.submissions
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def can_delete(self):
672
"""Can only delete if there are no submissions."""
673
return self.submissions.count() == 0
676
"""Delete the project. Fails if can_delete is False."""
677
if not self.can_delete:
678
raise IntegrityError()
679
for assessed in self.assesseds:
681
Store.of(self).remove(self)
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class ProjectGroup(Storm):
684
"""A group of students working together on a project."""
686
357
__storm_table__ = "project_group"
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id = Int(name="groupid", primary=True)
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return "<%s %s in %r>" % (type(self).__name__, self.name,
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self.project_set.offering)
709
def display_name(self):
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"""Returns the "nice name" of the user or group."""
714
def short_name(self):
715
"""Returns the database "identifier" name of the user or group."""
718
def get_projects(self, offering=None, active_only=True):
719
'''Find projects that the group can submit.
721
This will include projects in the project set which owns this group,
722
unless the project set disallows groups (in which case none will be
725
@param active_only: Whether to only search active offerings.
726
@param offering: An optional offering to restrict the search to.
728
return Store.of(self).find(Project,
729
Project.project_set_id == ProjectSet.id,
730
ProjectSet.id == self.project_set.id,
731
ProjectSet.max_students_per_group != None,
732
ProjectSet.offering_id == Offering.id,
733
(offering is None) or (Offering.id == offering.id),
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Semester.id == Offering.semester_id,
735
(not active_only) or (Semester.state == u'current'))
737
def get_svn_url(self, config, req):
738
"""Get the subversion repository URL for this user or group."""
739
login = req.user.login
740
url = urlparse.urlsplit(config['urls']['svn_addr'])
741
url = urlparse.urlunsplit(url[:1] + (login+'@'+url[1],) + url[2:])
742
path = 'groups/%s_%s_%s_%s' % (
743
self.project_set.offering.subject.short_name,
744
self.project_set.offering.semester.year,
745
self.project_set.offering.semester.semester,
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return urlparse.urljoin(url, path)
750
def get_permissions(self, user, config):
751
if user.admin or user in self.members:
752
return set(['submit_project'])
756
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class ProjectGroupMembership(Storm):
757
"""A student's membership in a project group."""
759
380
__storm_table__ = "group_member"
760
381
__storm_primary__ = "user_id", "project_group_id"
770
391
return "<%s %r in %r>" % (type(self).__name__, self.user,
771
392
self.project_group)
773
class Assessed(Storm):
774
"""A composite of a user or group combined with a project.
776
Each project submission and extension refers to an Assessed. It is the
777
sole specifier of the repository and project.
780
__storm_table__ = "assessed"
782
id = Int(name="assessedid", primary=True)
783
user_id = Int(name="loginid")
784
user = Reference(user_id, User.id)
785
project_group_id = Int(name="groupid")
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project_group = Reference(project_group_id, ProjectGroup.id)
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project_id = Int(name="projectid")
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project = Reference(project_id, Project.id)
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extensions = ReferenceSet(id, 'ProjectExtension.assessed_id')
792
submissions = ReferenceSet(
793
id, 'ProjectSubmission.assessed_id', order_by='date_submitted')
796
return "<%s %r in %r>" % (type(self).__name__,
797
self.user or self.project_group, self.project)
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"""True if the Assessed is a group, False if it is a user."""
802
return self.project_group is not None
806
return self.project_group or self.user
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def checkout_location(self):
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"""Returns the location of the Subversion workspace for this piece of
811
assessment, relative to each group member's home directory."""
812
subjectname = self.project.project_set.offering.subject.short_name
814
checkout_dir_name = self.principal.short_name
816
checkout_dir_name = "mywork"
817
return subjectname + "/" + checkout_dir_name
820
def get(cls, store, principal, project):
821
"""Find or create an Assessed for the given user or group and project.
823
@param principal: The user or group.
824
@param project: The project.
827
if t not in (User, ProjectGroup):
828
raise AssertionError('principal must be User or ProjectGroup')
831
(t is User) or (cls.project_group_id == principal.id),
832
(t is ProjectGroup) or (cls.user_id == principal.id),
833
cls.project_id == project.id).one()
840
a.project_group = principal
847
"""Delete the assessed. Fails if there are any submissions. Deletes
849
if self.submissions.count() > 0:
850
raise IntegrityError()
851
for extension in self.extensions:
853
Store.of(self).remove(self)
855
class ProjectExtension(Storm):
856
"""An extension granted to a user or group on a particular project.
858
The user or group and project are specified by the Assessed.
861
__storm_table__ = "project_extension"
863
id = Int(name="extensionid", primary=True)
864
assessed_id = Int(name="assessedid")
865
assessed = Reference(assessed_id, Assessed.id)
866
deadline = DateTime()
867
approver_id = Int(name="approver")
868
approver = Reference(approver_id, User.id)
872
"""Delete the extension."""
873
Store.of(self).remove(self)
875
class SubmissionError(Exception):
876
"""Denotes a validation error during submission."""
879
class ProjectSubmission(Storm):
880
"""A submission from a user or group repository to a particular project.
882
The content of a submission is a single path and revision inside a
883
repository. The repository is that owned by the submission's user and
884
group, while the path and revision are explicit.
886
The user or group and project are specified by the Assessed.
889
__storm_table__ = "project_submission"
891
id = Int(name="submissionid", primary=True)
892
assessed_id = Int(name="assessedid")
893
assessed = Reference(assessed_id, Assessed.id)
896
submitter_id = Int(name="submitter")
897
submitter = Reference(submitter_id, User.id)
898
date_submitted = DateTime()
900
def get_verify_url(self, user):
901
"""Get the URL for verifying this submission, within the account of
903
# If this is a solo project, then self.path will be prefixed with the
904
# subject name. Remove the first path segment.
905
submitpath = self.path[1:] if self.path[:1] == '/' else self.path
906
if not self.assessed.is_group:
907
if '/' in submitpath:
908
submitpath = submitpath.split('/', 1)[1]
911
return "/files/%s/%s/%s?r=%d" % (user.login,
912
self.assessed.checkout_location, submitpath, self.revision)
915
def test_and_normalise_path(path):
916
"""Test that path is valid, and normalise it. This prevents possible
917
injections using malicious paths.
918
Returns the updated path, if successful.
919
Raises SubmissionError if invalid.
921
# Ensure the path is absolute to prevent being tacked onto working
923
# Prevent '\n' because it will break all sorts of things.
924
# Prevent '[' and ']' because they can be used to inject into the
926
# Normalise to avoid resulting in ".." path segments.
927
if not os.path.isabs(path):
928
raise SubmissionError("Path is not absolute")
929
if any(c in path for c in "\n[]"):
930
raise SubmissionError("Path must not contain '\\n', '[' or ']'")
931
return os.path.normpath(path)
933
394
# WORKSHEETS AND EXERCISES #
935
396
class Exercise(Storm):
936
"""An exercise for students to complete in a worksheet.
938
An exercise may be present in any number of worksheets.
941
397
__storm_table__ = "exercise"
942
398
id = Unicode(primary=True, name="identifier")
944
400
description = Unicode()
945
_description_xhtml_cache = Unicode(name='description_xhtml_cache')
946
401
partial = Unicode()
947
402
solution = Unicode()
948
403
include = Unicode()
951
worksheet_exercises = ReferenceSet(id,
952
'WorksheetExercise.exercise_id')
954
406
worksheets = ReferenceSet(id,
955
407
'WorksheetExercise.exercise_id',
956
408
'WorksheetExercise.worksheet_id',
960
test_suites = ReferenceSet(id,
961
'TestSuite.exercise_id',
412
test_suites = ReferenceSet(id, 'TestSuite.exercise_id')
964
414
__init__ = _kwarg_init
966
416
def __repr__(self):
967
417
return "<%s %s>" % (type(self).__name__, self.name)
969
def get_permissions(self, user, config):
970
return self.global_permissions(user, config)
973
def global_permissions(user, config):
974
"""Gets the set of permissions this user has over *all* exercises.
975
This is used to determine who may view the exercises list, and create
419
def get_permissions(self, user):
979
421
if user is not None:
981
423
perms.add('edit')
982
424
perms.add('view')
983
elif u'lecturer' in set((e.role for e in user.active_enrolments)):
986
elif (config['policy']['tutors_can_edit_worksheets']
987
and u'tutor' in set((e.role for e in user.active_enrolments))):
988
# Site-specific policy on the role of tutors
994
def _cache_description_xhtml(self, invalidate=False):
995
# Don't regenerate an existing cache unless forced.
996
if self._description_xhtml_cache is not None and not invalidate:
1000
self._description_xhtml_cache = rst(self.description)
1002
self._description_xhtml_cache = None
1005
def description_xhtml(self):
1006
"""The XHTML exercise description, converted from reStructuredText."""
1007
self._cache_description_xhtml()
1008
return self._description_xhtml_cache
1010
def set_description(self, description):
1011
self.description = description
1012
self._cache_description_xhtml(invalidate=True)
1015
"""Deletes the exercise, providing it has no associated worksheets."""
1016
if (self.worksheet_exercises.count() > 0):
1017
raise IntegrityError()
1018
for suite in self.test_suites:
1020
Store.of(self).remove(self)
1022
427
class Worksheet(Storm):
1023
"""A worksheet with exercises for students to complete.
1025
Worksheets are owned by offerings.
1028
428
__storm_table__ = "worksheet"
1030
430
id = Int(primary=True, name="worksheetid")
1057
454
def __repr__(self):
1058
455
return "<%s %s>" % (type(self).__name__, self.name)
1060
def remove_all_exercises(self):
1061
"""Remove all exercises from this worksheet.
457
# XXX Refactor this - make it an instance method of Subject rather than a
458
# class method of Worksheet. Can't do that now because Subject isn't
459
# linked referentially to the Worksheet.
461
def get_by_name(cls, store, subjectname, worksheetname):
463
Get the Worksheet from the db associated with a given store, subject
464
name and worksheet name.
466
return store.find(cls, cls.subject == unicode(subjectname),
467
cls.name == unicode(worksheetname)).one()
469
def remove_all_exercises(self, store):
471
Remove all exercises from this worksheet.
1063
472
This does not delete the exercises themselves. It just removes them
1064
473
from the worksheet.
1066
store = Store.of(self)
1067
for ws_ex in self.all_worksheet_exercises:
1068
if ws_ex.saves.count() > 0 or ws_ex.attempts.count() > 0:
1069
raise IntegrityError()
1070
475
store.find(WorksheetExercise,
1071
476
WorksheetExercise.worksheet == self).remove()
1073
def get_permissions(self, user, config):
1074
offering_perms = self.offering.get_permissions(user, config)
1078
# Anybody who can view an offering can view a published
1080
if 'view' in offering_perms and self.published:
1083
# Any worksheet editors can both view and edit.
1084
if 'edit_worksheets' in offering_perms:
1090
def _cache_data_xhtml(self, invalidate=False):
1091
# Don't regenerate an existing cache unless forced.
1092
if self._data_xhtml_cache is not None and not invalidate:
1095
if self.format == u'rst':
1096
self._data_xhtml_cache = rst(self.data)
1098
self._data_xhtml_cache = None
1101
def data_xhtml(self):
1102
"""The XHTML of this worksheet, converted from rST if required."""
1103
# Update the rST -> XHTML cache, if required.
1104
self._cache_data_xhtml()
1106
if self.format == u'rst':
1107
return self._data_xhtml_cache
1111
def set_data(self, data):
1113
self._cache_data_xhtml(invalidate=True)
1116
"""Deletes the worksheet, provided it has no attempts on any exercises.
1118
Returns True if delete succeeded, or False if this worksheet has
1119
attempts attached."""
1120
for ws_ex in self.all_worksheet_exercises:
1121
if ws_ex.saves.count() > 0 or ws_ex.attempts.count() > 0:
1122
raise IntegrityError()
1124
self.remove_all_exercises()
1125
Store.of(self).remove(self)
478
def get_permissions(self, user):
479
return self.offering.get_permissions(user)
1127
481
class WorksheetExercise(Storm):
1128
"""A link between a worksheet and one of its exercises.
1130
These may be marked optional, in which case the exercise does not count
1131
for marking purposes. The sequence number is used to order the worksheet
1135
482
__storm_table__ = "worksheet_exercise"
1137
484
id = Int(primary=True, name="ws_ex_id")
1139
486
worksheet_id = Int(name="worksheetid")
1180
525
def __repr__(self):
1181
526
return "<%s %s by %s at %s>" % (type(self).__name__,
1182
self.worksheet_exercise.exercise.name, self.user.login,
1183
self.date.strftime("%c"))
527
self.exercise.name, self.user.login, self.date.strftime("%c"))
1185
529
class ExerciseAttempt(ExerciseSave):
1186
"""An attempt at solving an exercise.
1188
This is a special case of ExerciseSave, used when the user submits a
1189
candidate solution. Like an ExerciseSave, it constitutes exercise solution
1192
In addition, it contains information about the result of the submission:
1194
- complete - True if this submission was successful, rendering this
1195
exercise complete for this user in this worksheet.
1196
- active - True if this submission is "active" (usually true).
1197
Submissions may be de-activated by privileged users for
1198
special reasons, and then they won't count (either as a
1199
penalty or success), but will still be stored.
531
An ExerciseAttempt is a special case of an ExerciseSave. Like an
532
ExerciseSave, it constitutes exercise solution data that the user has
533
submitted to the server for storage.
534
In addition, it contains additional information about the submission.
535
complete - True if this submission was successful, rendering this exercise
536
complete for this user.
537
active - True if this submission is "active" (usually true). Submissions
538
may be de-activated by privileged users for special reasons, and then
539
they won't count (either as a penalty or success), but will still be
1202
542
__storm_table__ = "exercise_attempt"
1203
543
__storm_primary__ = "ws_ex_id", "user_id", "date"
1228
563
function = Unicode()
1229
564
stdin = Unicode()
1230
565
exercise = Reference(exercise_id, Exercise.id)
1231
test_cases = ReferenceSet(suiteid, 'TestCase.suiteid', order_by="seq_no")
1232
variables = ReferenceSet(suiteid, 'TestSuiteVar.suiteid', order_by='arg_no')
1235
"""Delete this suite, without asking questions."""
1236
for variable in self.variables:
1238
for test_case in self.test_cases:
1240
Store.of(self).remove(self)
566
test_cases = ReferenceSet(suiteid, 'TestCase.suiteid')
567
variables = ReferenceSet(suiteid, 'TestSuiteVar.suiteid')
1242
569
class TestCase(Storm):
1243
"""A container for actual tests (see TestCasePart), inside a test suite.
1245
It is the lowest level shown to students on their pass/fail status."""
570
"""A TestCase is a member of a TestSuite.
572
It contains the data necessary to check if an exercise is correct"""
1247
573
__storm_table__ = "test_case"
1248
574
__storm_primary__ = "testid", "suiteid"
1252
578
suite = Reference(suiteid, "TestSuite.suiteid")
1253
579
passmsg = Unicode()
1254
580
failmsg = Unicode()
1255
test_default = Unicode() # Currently unused - only used for file matching.
581
test_default = Unicode()
1258
584
parts = ReferenceSet(testid, "TestCasePart.testid")
1260
586
__init__ = _kwarg_init
1263
for part in self.parts:
1265
Store.of(self).remove(self)
1267
588
class TestSuiteVar(Storm):
1268
"""A variable used by an exercise test suite.
1270
This may represent a function argument or a normal variable.
589
"""A container for the arguments of a Test Suite"""
1273
590
__storm_table__ = "suite_variable"
1274
591
__storm_primary__ = "varid"
1278
595
var_name = Unicode()
1279
596
var_value = Unicode()
1280
597
var_type = Unicode()
1283
600
suite = Reference(suiteid, "TestSuite.suiteid")
1285
602
__init__ = _kwarg_init
1288
Store.of(self).remove(self)
1290
604
class TestCasePart(Storm):
1291
"""An actual piece of code to test an exercise solution."""
605
"""A container for the test elements of a Test Case"""
1293
606
__storm_table__ = "test_case_part"
1294
607
__storm_primary__ = "partid"
1299
612
part_type = Unicode()
1300
613
test_type = Unicode()
1301
614
data = Unicode()
1302
615
filename = Unicode()
1304
617
test = Reference(testid, "TestCase.testid")
1306
619
__init__ = _kwarg_init
1309
Store.of(self).remove(self)
added
removed
ivle/database.py
