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# Author: Matt Giuca, Will Grant
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Database Classes and Utilities for Storm ORM
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"""Database utilities and content classes.
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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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'AlreadyEnrolledError', 'TestCase', 'TestSuite'
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'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():
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Returns the Storm connection string, generated from the conf file.
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return "postgres://%s:%s@%s:%d/%s" % (ivle.conf.db_user,
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ivle.conf.db_password, ivle.conf.db_host, ivle.conf.db_port,
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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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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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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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host = config['database']['host'] or 'localhost'
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port = config['database']['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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Represents an IVLE user.
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"""An IVLE user account."""
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__storm_table__ = "login"
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id = Int(primary=True, name="loginid")
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passhash = Unicode()
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pass_exp = DateTime()
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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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def hash_password(password):
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return md5.md5(password).hexdigest()
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"""Hash a password with MD5."""
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return hashlib.md5(password).hexdigest()
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def get_by_login(cls, store, login):
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Get the User from the db associated with a given store and
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"""Find a user in a store by login name."""
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return store.find(cls, cls.login == unicode(login)).one()
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def get_permissions(self, user):
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if user and user.rolenm == 'admin' or user is self:
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return set(['view', 'edit'])
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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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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_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 '%s'>" % (type(self).__name__, self.short_name)
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def get_permissions(self, user):
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"""Determine privileges held by a user over this object.
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If the user requesting privileges is an admin, they may edit.
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Otherwise they may only read.
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if user is not None:
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perms.add('view')
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if user.rolenm == 'admin':
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def active_offerings(self):
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"""Find active offerings for this subject.
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Return a sequence of currently active offerings for this subject
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(offerings whose semester.state is "current"). There should be 0 or 1
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elements in this sequence, but it's possible there are more.
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return self.offerings.find(Offering.semester_id == Semester.id,
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Semester.state == u'current')
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def offering_for_semester(self, year, semester):
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"""Get the offering for the given year/semester, or None.
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@param year: A string representation of the year.
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@param semester: A string representation of the semester.
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return self.offerings.find(Offering.semester_id == Semester.id,
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Semester.year == unicode(year),
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Semester.semester == unicode(semester)).one()
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class Semester(Storm):
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"""A semester in which subjects can be run."""
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__storm_table__ = "semester"
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id = Int(primary=True, name="semesterid")
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semester = Unicode()
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offerings = ReferenceSet(id, 'Offering.semester_id')
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enrolments = ReferenceSet(id,
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'Offering.semester_id',
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'Enrolment.offering_id')
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__init__ = _kwarg_init
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return "<%s %r in %r>" % (type(self).__name__, self.subject,
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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 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):
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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 in (u'tutor', u'lecturer')) \
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# XXX Bug #493945 -- should tutors have these permissions?
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# Potentially move into the next category (lecturer & admin)
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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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if (enrolment and enrolment.role in (u'lecturer')) or user.admin:
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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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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):
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return self.offering.get_permissions(user)
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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 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.synopsis,
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return "<%s '%s' in %r>" % (type(self).__name__, self.short_name,
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self.project_set.offering)
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def can_submit(self, principal):
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return (self in principal.get_projects() and
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self.deadline > datetime.datetime.now())
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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):
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raise Exception('cannot submit')
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a = Assessed.get(Store.of(self), principal, self)
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ps = ProjectSubmission()
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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):
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return self.project_set.offering.get_permissions(user)
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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."""
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# XXX: Need to respect extensions.
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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."""
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assessed = Assessed.get(Store.of(self), principal, self)
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return assessed.submissions
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class ProjectGroup(Storm):
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"""A group of students working together on a project."""
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__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)
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def display_name(self):
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"""Returns the "nice name" of the user or group."""
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def short_name(self):
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"""Returns the database "identifier" name of the user or group."""
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def get_projects(self, offering=None, active_only=True):
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'''Find projects that the group can submit.
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This will include projects in the project set which owns this group,
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unless the project set disallows groups (in which case none will be
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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.id == self.project_set.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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def get_permissions(self, user):
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if user.admin or user in self.members:
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return set(['submit_project'])
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class ProjectGroupMembership(Storm):
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"""A student's membership in a project group."""
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__storm_table__ = "group_member"
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__storm_primary__ = "user_id", "project_group_id"
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return "<%s %r in %r>" % (type(self).__name__, self.user,
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self.project_group)
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class Assessed(Storm):
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"""A composite of a user or group combined with a project.
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Each project submission and extension refers to an Assessed. It is the
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sole specifier of the repository and project.
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__storm_table__ = "assessed"
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id = Int(name="assessedid", primary=True)
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user_id = Int(name="loginid")
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user = Reference(user_id, User.id)
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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')
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submissions = ReferenceSet(
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id, 'ProjectSubmission.assessed_id', order_by='date_submitted')
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return "<%s %r in %r>" % (type(self).__name__,
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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."""
708
return self.project_group is not None
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return self.project_group or self.user
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def get(cls, store, principal, project):
716
"""Find or create an Assessed for the given user or group and project.
718
@param principal: The user or group.
719
@param project: The project.
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if t not in (User, ProjectGroup):
723
raise AssertionError('principal must be User or ProjectGroup')
726
(t is User) or (cls.project_group_id == principal.id),
727
(t is ProjectGroup) or (cls.user_id == principal.id),
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cls.project_id == project.id).one()
735
a.project_group = principal
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class ProjectExtension(Storm):
743
"""An extension granted to a user or group on a particular project.
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The user or group and project are specified by the Assessed.
748
__storm_table__ = "project_extension"
750
id = Int(name="extensionid", primary=True)
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assessed_id = Int(name="assessedid")
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assessed = Reference(assessed_id, Assessed.id)
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deadline = DateTime()
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approver_id = Int(name="approver")
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approver = Reference(approver_id, User.id)
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class ProjectSubmission(Storm):
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"""A submission from a user or group repository to a particular project.
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The content of a submission is a single path and revision inside a
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repository. The repository is that owned by the submission's user and
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group, while the path and revision are explicit.
765
The user or group and project are specified by the Assessed.
768
__storm_table__ = "project_submission"
770
id = Int(name="submissionid", primary=True)
771
assessed_id = Int(name="assessedid")
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assessed = Reference(assessed_id, Assessed.id)
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submitter_id = Int(name="submitter")
776
submitter = Reference(submitter_id, User.id)
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date_submitted = DateTime()
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# WORKSHEETS AND EXERCISES #
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class Exercise(Storm):
391
# Note: Table "problem" is called "Exercise" in the Object layer, since
392
# it's called that everywhere else.
393
__storm_table__ = "problem"
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#TODO: Add in a field for the user-friendly identifier
783
"""An exercise for students to complete in a worksheet.
785
An exercise may be present in any number of worksheets.
788
__storm_table__ = "exercise"
395
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id = Unicode(primary=True, name="identifier")
397
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description = Unicode()
400
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include = Unicode()
797
worksheet_exercises = ReferenceSet(id,
798
'WorksheetExercise.exercise_id')
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worksheets = ReferenceSet(id,
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'WorksheetExercise.exercise_id',
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'WorksheetExercise.worksheet_id',
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test_suites = ReferenceSet(id, 'TestSuite.exercise_id')
806
test_suites = ReferenceSet(id,
807
'TestSuite.exercise_id',
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810
__init__ = _kwarg_init
413
812
def __repr__(self):
414
813
return "<%s %s>" % (type(self).__name__, self.name)
417
def get_by_name(cls, store, name):
419
Get the Exercise from the db associated with a given store and name.
420
If the exercise is not in the database, creates it and inserts it
423
ex = store.find(cls, cls.name == unicode(name)).one()
426
ex = Exercise(name=unicode(name))
815
def get_permissions(self, user):
822
elif u'lecturer' in set((e.role for e in user.active_enrolments)):
825
elif u'tutor' in set((e.role for e in user.active_enrolments)):
831
def get_description(self):
832
"""Return the description interpreted as reStructuredText."""
833
return rst(self.description)
836
"""Deletes the exercise, providing it has no associated worksheets."""
837
if (self.worksheet_exercises.count() > 0):
838
raise IntegrityError()
839
for suite in self.test_suites:
841
Store.of(self).remove(self)
431
843
class Worksheet(Storm):
844
"""A worksheet with exercises for students to complete.
846
Worksheets are owned by offerings.
432
849
__storm_table__ = "worksheet"
434
851
id = Int(primary=True, name="worksheetid")
435
# XXX subject is not linked to a Subject object. This is a property of
436
# the database, and will be refactored.
438
852
offering_id = Int(name="offeringid")
439
name = Unicode(name="identifier")
853
identifier = Unicode()
440
855
assessable = Bool()
860
attempts = ReferenceSet(id, "ExerciseAttempt.worksheetid")
443
861
offering = Reference(offering_id, 'Offering.id')
445
exercises = ReferenceSet(id,
446
'WorksheetExercise.worksheet_id',
447
'WorksheetExercise.exercise_id',
449
# Use worksheet_exercises to get access to the WorksheetExercise objects
450
# binding worksheets to exercises. This is required to access the
863
all_worksheet_exercises = ReferenceSet(id,
864
'WorksheetExercise.worksheet_id')
866
# Use worksheet_exercises to get access to the *active* WorksheetExercise
867
# objects binding worksheets to exercises. This is required to access the
451
868
# "optional" field.
452
worksheet_exercises = ReferenceSet(id,
453
'WorksheetExercise.worksheet_id')
871
def worksheet_exercises(self):
872
return self.all_worksheet_exercises.find(active=True)
456
874
__init__ = _kwarg_init
458
876
def __repr__(self):
459
877
return "<%s %s>" % (type(self).__name__, self.name)
461
# XXX Refactor this - make it an instance method of Subject rather than a
462
# class method of Worksheet. Can't do that now because Subject isn't
463
# linked referentially to the Worksheet.
465
def get_by_name(cls, store, subjectname, worksheetname):
467
Get the Worksheet from the db associated with a given store, subject
468
name and worksheet name.
470
return store.find(cls, cls.subject == unicode(subjectname),
471
cls.name == unicode(worksheetname)).one()
879
def remove_all_exercises(self):
880
"""Remove all exercises from this worksheet.
473
def remove_all_exercises(self, store):
475
Remove all exercises from this worksheet.
476
882
This does not delete the exercises themselves. It just removes them
477
883
from the worksheet.
885
store = Store.of(self)
886
for ws_ex in self.all_worksheet_exercises:
887
if ws_ex.saves.count() > 0 or ws_ex.attempts.count() > 0:
888
raise IntegrityError()
479
889
store.find(WorksheetExercise,
480
890
WorksheetExercise.worksheet == self).remove()
892
def get_permissions(self, user):
893
return self.offering.get_permissions(user)
896
"""Returns the xml of this worksheet, converts from rst if required."""
897
if self.format == u'rst':
898
ws_xml = rst(self.data)
904
"""Deletes the worksheet, provided it has no attempts on any exercises.
906
Returns True if delete succeeded, or False if this worksheet has
907
attempts attached."""
908
for ws_ex in self.all_worksheet_exercises:
909
if ws_ex.saves.count() > 0 or ws_ex.attempts.count() > 0:
910
raise IntegrityError()
912
self.remove_all_exercises()
913
Store.of(self).remove(self)
482
915
class WorksheetExercise(Storm):
483
__storm_table__ = "worksheet_problem"
484
__storm_primary__ = "worksheet_id", "exercise_id"
916
"""A link between a worksheet and one of its exercises.
918
These may be marked optional, in which case the exercise does not count
919
for marking purposes. The sequence number is used to order the worksheet
923
__storm_table__ = "worksheet_exercise"
925
id = Int(primary=True, name="ws_ex_id")
486
927
worksheet_id = Int(name="worksheetid")
487
928
worksheet = Reference(worksheet_id, Worksheet.id)
488
exercise_id = Unicode(name="problemid")
929
exercise_id = Unicode(name="exerciseid")
489
930
exercise = Reference(exercise_id, Exercise.id)
490
931
optional = Bool()
935
saves = ReferenceSet(id, "ExerciseSave.ws_ex_id")
936
attempts = ReferenceSet(id, "ExerciseAttempt.ws_ex_id")
492
938
__init__ = _kwarg_init
494
940
def __repr__(self):
495
941
return "<%s %s in %s>" % (type(self).__name__, self.exercise.name,
942
self.worksheet.identifier)
944
def get_permissions(self, user):
945
return self.worksheet.get_permissions(user)
498
948
class ExerciseSave(Storm):
500
Represents a potential solution to an exercise that a user has submitted
501
to the server for storage.
502
A basic ExerciseSave is just the current saved text for this exercise for
503
this user (doesn't count towards their attempts).
504
ExerciseSave may be extended with additional semantics (such as
507
__storm_table__ = "problem_save"
508
__storm_primary__ = "exercise_id", "user_id", "date"
510
exercise_id = Unicode(name="problemid")
511
exercise = Reference(exercise_id, Exercise.id)
949
"""A potential exercise solution submitted by a user for storage.
951
This is not an actual tested attempt at an exercise, it's just a save of
955
__storm_table__ = "exercise_save"
956
__storm_primary__ = "ws_ex_id", "user_id"
958
ws_ex_id = Int(name="ws_ex_id")
959
worksheet_exercise = Reference(ws_ex_id, "WorksheetExercise.id")
512
961
user_id = Int(name="loginid")
513
962
user = Reference(user_id, User.id)
514
963
date = DateTime()
517
worksheet = Reference(worksheetid, Worksheet.id)
519
966
__init__ = _kwarg_init
523
970
self.exercise.name, self.user.login, self.date.strftime("%c"))
525
972
class ExerciseAttempt(ExerciseSave):
527
An ExerciseAttempt is a special case of an ExerciseSave. Like an
528
ExerciseSave, it constitutes exercise solution data that the user has
529
submitted to the server for storage.
530
In addition, it contains additional information about the submission.
531
complete - True if this submission was successful, rendering this exercise
532
complete for this user.
533
active - True if this submission is "active" (usually true). Submissions
534
may be de-activated by privileged users for special reasons, and then
535
they won't count (either as a penalty or success), but will still be
538
__storm_table__ = "problem_attempt"
539
__storm_primary__ = "exercise_id", "user_id", "date"
973
"""An attempt at solving an exercise.
975
This is a special case of ExerciseSave, used when the user submits a
976
candidate solution. Like an ExerciseSave, it constitutes exercise solution
979
In addition, it contains information about the result of the submission:
981
- complete - True if this submission was successful, rendering this
982
exercise complete for this user in this worksheet.
983
- active - True if this submission is "active" (usually true).
984
Submissions may be de-activated by privileged users for
985
special reasons, and then they won't count (either as a
986
penalty or success), but will still be stored.
989
__storm_table__ = "exercise_attempt"
990
__storm_primary__ = "ws_ex_id", "user_id", "date"
541
992
# The "text" field is the same but has a different name in the DB table
542
993
# for some reason.
543
994
text = Unicode(name="attempt")
544
995
complete = Bool()
547
998
def get_permissions(self, user):
548
999
return set(['view']) if user is self.user else set()
550
1001
class TestSuite(Storm):
551
"""A Testsuite acts as a container for the test cases of an exercise."""
1002
"""A container to group an exercise's test cases.
1004
The test suite contains some information on how to test. The function to
1005
test, variables to set and stdin data are stored here.
552
1008
__storm_table__ = "test_suite"
553
1009
__storm_primary__ = "exercise_id", "suiteid"
556
exercise_id = Unicode(name="problemid")
557
exercise = Reference(exercise_id, Exercise.id)
558
test_cases = ReferenceSet(suiteid, 'TestCase.suiteid')
1012
exercise_id = Unicode(name="exerciseid")
559
1013
description = Unicode()
1015
function = Unicode()
1017
exercise = Reference(exercise_id, Exercise.id)
1018
test_cases = ReferenceSet(suiteid, 'TestCase.suiteid', order_by="seq_no")
1019
variables = ReferenceSet(suiteid, 'TestSuiteVar.suiteid', order_by='arg_no')
1022
"""Delete this suite, without asking questions."""
1023
for variable in self.variables:
1025
for test_case in self.test_cases:
1027
Store.of(self).remove(self)
562
1029
class TestCase(Storm):
563
"""A TestCase is a member of a TestSuite.
565
It contains the data necessary to check if an exercise is correct"""
1030
"""A container for actual tests (see TestCasePart), inside a test suite.
1032
It is the lowest level shown to students on their pass/fail status."""
566
1034
__storm_table__ = "test_case"
567
1035
__storm_primary__ = "testid", "suiteid"
571
suite = Reference(suiteid, TestSuite.suiteid)
1039
suite = Reference(suiteid, "TestSuite.suiteid")
572
1040
passmsg = Unicode()
573
1041
failmsg = Unicode()
575
code_type = Unicode()
1042
test_default = Unicode() # Currently unused - only used for file matching.
580
__init__ = _kwarg_init
1045
parts = ReferenceSet(testid, "TestCasePart.testid")
1047
__init__ = _kwarg_init
1050
for part in self.parts:
1052
Store.of(self).remove(self)
1054
class TestSuiteVar(Storm):
1055
"""A variable used by an exercise test suite.
1057
This may represent a function argument or a normal variable.
1060
__storm_table__ = "suite_variable"
1061
__storm_primary__ = "varid"
1065
var_name = Unicode()
1066
var_value = Unicode()
1067
var_type = Unicode()
1070
suite = Reference(suiteid, "TestSuite.suiteid")
1072
__init__ = _kwarg_init
1075
Store.of(self).remove(self)
1077
class TestCasePart(Storm):
1078
"""An actual piece of code to test an exercise solution."""
1080
__storm_table__ = "test_case_part"
1081
__storm_primary__ = "partid"
1086
part_type = Unicode()
1087
test_type = Unicode()
1089
filename = Unicode()
1091
test = Reference(testid, "TestCase.testid")
1093
__init__ = _kwarg_init
1096
Store.of(self).remove(self)