268
361
return "<%s %r in %r>" % (type(self).__name__, self.subject,
271
def enrol(self, user):
272
'''Enrol a user in this offering.'''
273
# We'll get a horrible database constraint violation error if we try
274
# to add a second enrolment.
275
if Store.of(self).find(Enrolment,
276
Enrolment.user_id == user.id,
277
Enrolment.offering_id == self.id).count() == 1:
278
raise AlreadyEnrolledError()
280
e = Enrolment(user=user, offering=self, active=True)
281
self.enrolments.add(e)
364
def enrol(self, user, role=u'student'):
365
"""Enrol a user in this offering.
367
Enrolments handle both the staff and student cases. The role controls
368
the privileges granted by this enrolment.
370
enrolment = Store.of(self).find(Enrolment,
371
Enrolment.user_id == user.id,
372
Enrolment.offering_id == self.id).one()
374
if enrolment is None:
375
enrolment = Enrolment(user=user, offering=self)
376
self.enrolments.add(enrolment)
378
enrolment.active = True
379
enrolment.role = role
381
def unenrol(self, user):
382
'''Unenrol a user from this offering.'''
383
enrolment = Store.of(self).find(Enrolment,
384
Enrolment.user_id == user.id,
385
Enrolment.offering_id == self.id).one()
386
Store.of(enrolment).remove(enrolment)
388
def get_permissions(self, user, config):
391
enrolment = self.get_enrolment(user)
392
if enrolment or user.admin:
394
if enrolment and enrolment.role == u'tutor':
395
perms.add('view_project_submissions')
396
# Site-specific policy on the role of tutors
397
if config['policy']['tutors_can_enrol_students']:
399
perms.add('enrol_student')
400
if config['policy']['tutors_can_edit_worksheets']:
401
perms.add('edit_worksheets')
402
if config['policy']['tutors_can_admin_groups']:
403
perms.add('admin_groups')
404
if (enrolment and enrolment.role in (u'lecturer')) or user.admin:
405
perms.add('view_project_submissions')
406
perms.add('admin_groups')
407
perms.add('edit_worksheets')
408
perms.add('view_worksheet_marks')
409
perms.add('edit') # Can edit projects & details
410
perms.add('enrol') # Can see enrolment screen at all
411
perms.add('enrol_student') # Can enrol students
412
perms.add('enrol_tutor') # Can enrol tutors
414
perms.add('enrol_lecturer') # Can enrol lecturers
417
def get_enrolment(self, user):
418
"""Find the user's enrolment in this offering."""
420
enrolment = self.enrolments.find(user=user).one()
426
def get_members_by_role(self, role):
427
return Store.of(self).find(User,
428
Enrolment.user_id == User.id,
429
Enrolment.offering_id == self.id,
430
Enrolment.role == role
431
).order_by(User.login)
435
return self.get_members_by_role(u'student')
437
def get_open_projects_for_user(self, user):
438
"""Find all projects currently open to submissions by a user."""
439
# XXX: Respect extensions.
440
return self.projects.find(Project.deadline > datetime.datetime.now())
442
def has_worksheet_cutoff_passed(self, user):
443
"""Check whether the worksheet cutoff has passed.
444
A user is required, in case we support extensions.
446
if self.worksheet_cutoff is None:
449
return self.worksheet_cutoff < datetime.datetime.now()
451
def clone_worksheets(self, source):
452
"""Clone all worksheets from the specified source to this offering."""
453
import ivle.worksheet.utils
454
for worksheet in source.worksheets:
456
newws.seq_no = worksheet.seq_no
457
newws.identifier = worksheet.identifier
458
newws.name = worksheet.name
459
newws.assessable = worksheet.assessable
460
newws.published = worksheet.published
461
newws.data = worksheet.data
462
newws.format = worksheet.format
463
newws.offering = self
464
Store.of(self).add(newws)
465
ivle.worksheet.utils.update_exerciselist(newws)
283
468
class Enrolment(Storm):
469
"""An enrolment of a user in an offering.
471
This represents the roles of both staff and students.
284
474
__storm_table__ = "enrolment"
285
475
__storm_primary__ = "user_id", "offering_id"
327
534
return "<%s %d in %r>" % (type(self).__name__, self.id,
537
def get_permissions(self, user, config):
538
return self.offering.get_permissions(user, config)
540
def get_groups_for_user(self, user):
541
"""List all groups in this offering of which the user is a member."""
543
return Store.of(self).find(
545
ProjectGroupMembership.user_id == user.id,
546
ProjectGroupMembership.project_group_id == ProjectGroup.id,
547
ProjectGroup.project_set_id == self.id)
549
def get_submission_principal(self, user):
550
"""Get the principal on behalf of which the user can submit.
552
If this is a solo project set, the given user is returned. If
553
the user is a member of exactly one group, all the group is
554
returned. Otherwise, None is returned.
557
groups = self.get_groups_for_user(user)
558
if groups.count() == 1:
567
return self.max_students_per_group is not None
571
"""Get the entities (groups or users) assigned to submit this project.
573
This will be a Storm ResultSet.
575
#If its a solo project, return everyone in offering
577
return self.project_groups
579
return self.offering.students
581
class DeadlinePassed(Exception):
582
"""An exception indicating that a project cannot be submitted because the
583
deadline has passed."""
587
return "The project deadline has passed"
330
589
class Project(Storm):
590
"""A student project for which submissions can be made."""
331
592
__storm_table__ = "project"
333
594
id = Int(name="projectid", primary=True)
596
short_name = Unicode()
334
597
synopsis = Unicode()
336
599
project_set_id = Int(name="projectsetid")
337
600
project_set = Reference(project_set_id, ProjectSet.id)
338
601
deadline = DateTime()
603
assesseds = ReferenceSet(id, 'Assessed.project_id')
604
submissions = ReferenceSet(id,
605
'Assessed.project_id',
607
'ProjectSubmission.assessed_id')
340
609
__init__ = _kwarg_init
342
611
def __repr__(self):
343
return "<%s '%s' in %r>" % (type(self).__name__, self.synopsis,
612
return "<%s '%s' in %r>" % (type(self).__name__, self.short_name,
344
613
self.project_set.offering)
615
def can_submit(self, principal, user, late=False):
617
@param late: If True, does not take the deadline into account.
619
return (self in principal.get_projects() and
620
(late or not self.has_deadline_passed(user)))
622
def submit(self, principal, path, revision, who, late=False):
623
"""Submit a Subversion path and revision to a project.
625
@param principal: The owner of the Subversion repository, and the
626
entity on behalf of whom the submission is being made
627
@param path: A path within that repository to submit.
628
@param revision: The revision of that path to submit.
629
@param who: The user who is actually making the submission.
630
@param late: If True, will not raise a DeadlinePassed exception even
631
after the deadline. (Default False.)
634
if not self.can_submit(principal, who, late=late):
635
raise DeadlinePassed()
637
a = Assessed.get(Store.of(self), principal, self)
638
ps = ProjectSubmission()
639
# Raise SubmissionError if the path is illegal
640
ps.path = ProjectSubmission.test_and_normalise_path(path)
641
ps.revision = revision
642
ps.date_submitted = datetime.datetime.now()
648
def get_permissions(self, user, config):
649
return self.project_set.offering.get_permissions(user, config)
652
def latest_submissions(self):
653
"""Return the latest submission for each Assessed."""
654
return Store.of(self).find(ProjectSubmission,
655
Assessed.project_id == self.id,
656
ProjectSubmission.assessed_id == Assessed.id,
657
ProjectSubmission.date_submitted == Select(
658
Max(ProjectSubmission.date_submitted),
659
ProjectSubmission.assessed_id == Assessed.id,
660
tables=ProjectSubmission
664
def has_deadline_passed(self, user):
665
"""Check whether the deadline has passed."""
666
# XXX: Need to respect extensions.
667
return self.deadline < datetime.datetime.now()
669
def get_submissions_for_principal(self, principal):
670
"""Fetch a ResultSet of all submissions by a particular principal."""
671
assessed = Assessed.get(Store.of(self), principal, self)
674
return assessed.submissions
677
def can_delete(self):
678
"""Can only delete if there are no submissions."""
679
return self.submissions.count() == 0
682
"""Delete the project. Fails if can_delete is False."""
683
if not self.can_delete:
684
raise IntegrityError()
685
for assessed in self.assesseds:
687
Store.of(self).remove(self)
346
689
class ProjectGroup(Storm):
690
"""A group of students working together on a project."""
347
692
__storm_table__ = "project_group"
349
694
id = Int(name="groupid", primary=True)
381
774
return "<%s %r in %r>" % (type(self).__name__, self.user,
382
775
self.project_group)
777
class Assessed(Storm):
778
"""A composite of a user or group combined with a project.
780
Each project submission and extension refers to an Assessed. It is the
781
sole specifier of the repository and project.
784
__storm_table__ = "assessed"
786
id = Int(name="assessedid", primary=True)
787
user_id = Int(name="loginid")
788
user = Reference(user_id, User.id)
789
project_group_id = Int(name="groupid")
790
project_group = Reference(project_group_id, ProjectGroup.id)
792
project_id = Int(name="projectid")
793
project = Reference(project_id, Project.id)
795
extensions = ReferenceSet(id, 'ProjectExtension.assessed_id')
796
submissions = ReferenceSet(
797
id, 'ProjectSubmission.assessed_id', order_by='date_submitted')
800
return "<%s %r in %r>" % (type(self).__name__,
801
self.user or self.project_group, self.project)
805
"""True if the Assessed is a group, False if it is a user."""
806
return self.project_group is not None
810
return self.project_group or self.user
813
def checkout_location(self):
814
"""Returns the location of the Subversion workspace for this piece of
815
assessment, relative to each group member's home directory."""
816
subjectname = self.project.project_set.offering.subject.short_name
818
checkout_dir_name = self.principal.short_name
820
checkout_dir_name = "mywork"
821
return subjectname + "/" + checkout_dir_name
824
def get(cls, store, principal, project):
825
"""Find or create an Assessed for the given user or group and project.
827
@param principal: The user or group.
828
@param project: The project.
831
if t not in (User, ProjectGroup):
832
raise AssertionError('principal must be User or ProjectGroup')
835
(t is User) or (cls.project_group_id == principal.id),
836
(t is ProjectGroup) or (cls.user_id == principal.id),
837
cls.project_id == project.id).one()
844
a.project_group = principal
851
"""Delete the assessed. Fails if there are any submissions. Deletes
853
if self.submissions.count() > 0:
854
raise IntegrityError()
855
for extension in self.extensions:
857
Store.of(self).remove(self)
859
class ProjectExtension(Storm):
860
"""An extension granted to a user or group on a particular project.
862
The user or group and project are specified by the Assessed.
865
__storm_table__ = "project_extension"
867
id = Int(name="extensionid", primary=True)
868
assessed_id = Int(name="assessedid")
869
assessed = Reference(assessed_id, Assessed.id)
871
approver_id = Int(name="approver")
872
approver = Reference(approver_id, User.id)
876
"""Delete the extension."""
877
Store.of(self).remove(self)
879
class SubmissionError(Exception):
880
"""Denotes a validation error during submission."""
883
class ProjectSubmission(Storm):
884
"""A submission from a user or group repository to a particular project.
886
The content of a submission is a single path and revision inside a
887
repository. The repository is that owned by the submission's user and
888
group, while the path and revision are explicit.
890
The user or group and project are specified by the Assessed.
893
__storm_table__ = "project_submission"
895
id = Int(name="submissionid", primary=True)
896
assessed_id = Int(name="assessedid")
897
assessed = Reference(assessed_id, Assessed.id)
900
submitter_id = Int(name="submitter")
901
submitter = Reference(submitter_id, User.id)
902
date_submitted = DateTime()
904
def get_verify_url(self, user):
905
"""Get the URL for verifying this submission, within the account of
907
# If this is a solo project, then self.path will be prefixed with the
908
# subject name. Remove the first path segment.
909
submitpath = self.path[1:] if self.path[:1] == '/' else self.path
910
if not self.assessed.is_group:
911
if '/' in submitpath:
912
submitpath = submitpath.split('/', 1)[1]
915
return "/files/%s/%s/%s?r=%d" % (user.login,
916
self.assessed.checkout_location, submitpath, self.revision)
918
def get_svn_url(self, config):
919
"""Get subversion URL for this submission"""
920
princ = self.assessed.principal
921
base = princ.get_svn_url(config)
922
if self.path.startswith(os.sep):
923
return os.path.join(base,
924
urllib.quote(self.path[1:].encode('utf-8')))
926
return os.path.join(base, urllib.quote(self.path.encode('utf-8')))
928
def get_svn_export_command(self, req):
929
"""Returns a Unix shell command to export a submission"""
930
svn_url = self.get_svn_url(req.config)
931
_, ext = os.path.splitext(svn_url)
932
username = (req.user.login if req.user.login.isalnum() else
933
"'%s'"%req.user.login)
934
# Export to a file or directory relative to the current directory,
935
# with the student's login name, appended with the submitted file's
937
export_path = self.assessed.principal.short_name + ext
938
return "svn export --username %s -r%d '%s' %s"%(req.user.login,
939
self.revision, svn_url, export_path)
942
def test_and_normalise_path(path):
943
"""Test that path is valid, and normalise it. This prevents possible
944
injections using malicious paths.
945
Returns the updated path, if successful.
946
Raises SubmissionError if invalid.
948
# Ensure the path is absolute to prevent being tacked onto working
950
# Prevent '\n' because it will break all sorts of things.
951
# Prevent '[' and ']' because they can be used to inject into the
953
# Normalise to avoid resulting in ".." path segments.
954
if not os.path.isabs(path):
955
raise SubmissionError("Path is not absolute")
956
if any(c in path for c in "\n[]"):
957
raise SubmissionError("Path must not contain '\\n', '[' or ']'")
958
return os.path.normpath(path)
962
"""True if the project was submitted late."""
963
return self.days_late > 0
967
"""The number of days the project was submitted late (rounded up), or
969
# XXX: Need to respect extensions.
971
(self.date_submitted - self.assessed.project.deadline).days + 1)
384
973
# WORKSHEETS AND EXERCISES #
386
975
class Exercise(Storm):
387
# Note: Table "problem" is called "Exercise" in the Object layer, since
388
# it's called that everywhere else.
389
__storm_table__ = "problem"
390
#TODO: Add in a field for the user-friendly identifier
976
"""An exercise for students to complete in a worksheet.
978
An exercise may be present in any number of worksheets.
981
__storm_table__ = "exercise"
391
982
id = Unicode(primary=True, name="identifier")
393
984
description = Unicode()
985
_description_xhtml_cache = Unicode(name='description_xhtml_cache')
394
986
partial = Unicode()
395
987
solution = Unicode()
396
988
include = Unicode()
991
worksheet_exercises = ReferenceSet(id,
992
'WorksheetExercise.exercise_id')
399
994
worksheets = ReferenceSet(id,
400
995
'WorksheetExercise.exercise_id',
401
996
'WorksheetExercise.worksheet_id',
405
test_suites = ReferenceSet(id, 'TestSuite.exercise_id')
1000
test_suites = ReferenceSet(id,
1001
'TestSuite.exercise_id',
407
1004
__init__ = _kwarg_init
409
1006
def __repr__(self):
410
1007
return "<%s %s>" % (type(self).__name__, self.name)
413
def get_by_name(cls, store, name):
415
Get the Exercise from the db associated with a given store and name.
416
If the exercise is not in the database, creates it and inserts it
419
ex = store.find(cls, cls.name == unicode(name)).one()
422
ex = Exercise(name=unicode(name))
1009
def get_permissions(self, user, config):
1010
return self.global_permissions(user, config)
1013
def global_permissions(user, config):
1014
"""Gets the set of permissions this user has over *all* exercises.
1015
This is used to determine who may view the exercises list, and create
1019
if user is not None:
1023
elif u'lecturer' in set((e.role for e in user.active_enrolments)):
1026
elif (config['policy']['tutors_can_edit_worksheets']
1027
and u'tutor' in set((e.role for e in user.active_enrolments))):
1028
# Site-specific policy on the role of tutors
1034
def _cache_description_xhtml(self, invalidate=False):
1035
# Don't regenerate an existing cache unless forced.
1036
if self._description_xhtml_cache is not None and not invalidate:
1039
if self.description:
1040
self._description_xhtml_cache = rst(self.description)
1042
self._description_xhtml_cache = None
1045
def description_xhtml(self):
1046
"""The XHTML exercise description, converted from reStructuredText."""
1047
self._cache_description_xhtml()
1048
return self._description_xhtml_cache
1050
def set_description(self, description):
1051
self.description = description
1052
self._cache_description_xhtml(invalidate=True)
1055
"""Deletes the exercise, providing it has no associated worksheets."""
1056
if (self.worksheet_exercises.count() > 0):
1057
raise IntegrityError()
1058
for suite in self.test_suites:
1060
Store.of(self).remove(self)
427
1062
class Worksheet(Storm):
1063
"""A worksheet with exercises for students to complete.
1065
Worksheets are owned by offerings.
428
1068
__storm_table__ = "worksheet"
430
1070
id = Int(primary=True, name="worksheetid")
431
# XXX subject is not linked to a Subject object. This is a property of
432
# the database, and will be refactored.
434
1071
offering_id = Int(name="offeringid")
435
name = Unicode(name="identifier")
1072
identifier = Unicode()
436
1074
assessable = Bool()
439
offering = Reference (offeringid, 'Offering.id')
441
exercises = ReferenceSet(id,
442
'WorksheetExercise.worksheet_id',
443
'WorksheetExercise.exercise_id',
445
# Use worksheet_exercises to get access to the WorksheetExercise objects
446
# binding worksheets to exercises. This is required to access the
1077
_data_xhtml_cache = Unicode(name='data_xhtml_cache')
1081
attempts = ReferenceSet(id, "ExerciseAttempt.worksheetid")
1082
offering = Reference(offering_id, 'Offering.id')
1084
all_worksheet_exercises = ReferenceSet(id,
1085
'WorksheetExercise.worksheet_id')
1087
# Use worksheet_exercises to get access to the *active* WorksheetExercise
1088
# objects binding worksheets to exercises. This is required to access the
447
1089
# "optional" field.
448
worksheet_exercises = ReferenceSet(id,
449
'WorksheetExercise.worksheet_id')
1092
def worksheet_exercises(self):
1093
return self.all_worksheet_exercises.find(active=True)
452
1095
__init__ = _kwarg_init
454
1097
def __repr__(self):
455
1098
return "<%s %s>" % (type(self).__name__, self.name)
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()
1100
def remove_all_exercises(self):
1101
"""Remove all exercises from this worksheet.
469
def remove_all_exercises(self, store):
471
Remove all exercises from this worksheet.
472
1103
This does not delete the exercises themselves. It just removes them
473
1104
from the worksheet.
1106
store = Store.of(self)
1107
for ws_ex in self.all_worksheet_exercises:
1108
if ws_ex.saves.count() > 0 or ws_ex.attempts.count() > 0:
1109
raise IntegrityError()
475
1110
store.find(WorksheetExercise,
476
1111
WorksheetExercise.worksheet == self).remove()
1113
def get_permissions(self, user, config):
1114
offering_perms = self.offering.get_permissions(user, config)
1118
# Anybody who can view an offering can view a published
1120
if 'view' in offering_perms and self.published:
1123
# Any worksheet editors can both view and edit.
1124
if 'edit_worksheets' in offering_perms:
1130
def _cache_data_xhtml(self, invalidate=False):
1131
# Don't regenerate an existing cache unless forced.
1132
if self._data_xhtml_cache is not None and not invalidate:
1135
if self.format == u'rst':
1136
self._data_xhtml_cache = rst(self.data)
1138
self._data_xhtml_cache = None
1141
def data_xhtml(self):
1142
"""The XHTML of this worksheet, converted from rST if required."""
1143
# Update the rST -> XHTML cache, if required.
1144
self._cache_data_xhtml()
1146
if self.format == u'rst':
1147
return self._data_xhtml_cache
1151
def set_data(self, data):
1153
self._cache_data_xhtml(invalidate=True)
1156
"""Deletes the worksheet, provided it has no attempts on any exercises.
1158
Returns True if delete succeeded, or False if this worksheet has
1159
attempts attached."""
1160
for ws_ex in self.all_worksheet_exercises:
1161
if ws_ex.saves.count() > 0 or ws_ex.attempts.count() > 0:
1162
raise IntegrityError()
1164
self.remove_all_exercises()
1165
Store.of(self).remove(self)
478
1167
class WorksheetExercise(Storm):
479
__storm_table__ = "worksheet_problem"
480
__storm_primary__ = "worksheet_id", "exercise_id"
1168
"""A link between a worksheet and one of its exercises.
1170
These may be marked optional, in which case the exercise does not count
1171
for marking purposes. The sequence number is used to order the worksheet
1175
__storm_table__ = "worksheet_exercise"
1177
id = Int(primary=True, name="ws_ex_id")
482
1179
worksheet_id = Int(name="worksheetid")
483
1180
worksheet = Reference(worksheet_id, Worksheet.id)
484
exercise_id = Unicode(name="problemid")
1181
exercise_id = Unicode(name="exerciseid")
485
1182
exercise = Reference(exercise_id, Exercise.id)
486
1183
optional = Bool()
1187
saves = ReferenceSet(id, "ExerciseSave.ws_ex_id")
1188
attempts = ReferenceSet(id, "ExerciseAttempt.ws_ex_id")
488
1190
__init__ = _kwarg_init
490
1192
def __repr__(self):
491
1193
return "<%s %s in %s>" % (type(self).__name__, self.exercise.name,
1194
self.worksheet.identifier)
1196
def get_permissions(self, user, config):
1197
return self.worksheet.get_permissions(user, config)
494
1200
class ExerciseSave(Storm):
496
Represents a potential solution to an exercise that a user has submitted
497
to the server for storage.
498
A basic ExerciseSave is just the current saved text for this exercise for
499
this user (doesn't count towards their attempts).
500
ExerciseSave may be extended with additional semantics (such as
503
__storm_table__ = "problem_save"
504
__storm_primary__ = "exercise_id", "user_id", "date"
506
exercise_id = Unicode(name="problemid")
507
exercise = Reference(exercise_id, Exercise.id)
1201
"""A potential exercise solution submitted by a user for storage.
1203
This is not an actual tested attempt at an exercise, it's just a save of
1204
the editing session.
1207
__storm_table__ = "exercise_save"
1208
__storm_primary__ = "ws_ex_id", "user_id"
1210
ws_ex_id = Int(name="ws_ex_id")
1211
worksheet_exercise = Reference(ws_ex_id, "WorksheetExercise.id")
508
1213
user_id = Int(name="loginid")
509
1214
user = Reference(user_id, User.id)
510
1215
date = DateTime()
511
1216
text = Unicode()
513
worksheet = Reference(worksheetid, Worksheet.id)
515
1218
__init__ = _kwarg_init
517
1220
def __repr__(self):
518
1221
return "<%s %s by %s at %s>" % (type(self).__name__,
519
self.exercise.name, self.user.login, self.date.strftime("%c"))
1222
self.worksheet_exercise.exercise.name, self.user.login,
1223
self.date.strftime("%c"))
521
1225
class ExerciseAttempt(ExerciseSave):
523
An ExerciseAttempt is a special case of an ExerciseSave. Like an
524
ExerciseSave, it constitutes exercise solution data that the user has
525
submitted to the server for storage.
526
In addition, it contains additional information about the submission.
527
complete - True if this submission was successful, rendering this exercise
528
complete for this user.
529
active - True if this submission is "active" (usually true). Submissions
530
may be de-activated by privileged users for special reasons, and then
531
they won't count (either as a penalty or success), but will still be
534
__storm_table__ = "problem_attempt"
535
__storm_primary__ = "exercise_id", "user_id", "date"
1226
"""An attempt at solving an exercise.
1228
This is a special case of ExerciseSave, used when the user submits a
1229
candidate solution. Like an ExerciseSave, it constitutes exercise solution
1232
In addition, it contains information about the result of the submission:
1234
- complete - True if this submission was successful, rendering this
1235
exercise complete for this user in this worksheet.
1236
- active - True if this submission is "active" (usually true).
1237
Submissions may be de-activated by privileged users for
1238
special reasons, and then they won't count (either as a
1239
penalty or success), but will still be stored.
1242
__storm_table__ = "exercise_attempt"
1243
__storm_primary__ = "ws_ex_id", "user_id", "date"
537
1245
# The "text" field is the same but has a different name in the DB table
538
1246
# for some reason.
539
1247
text = Unicode(name="attempt")
540
1248
complete = Bool()
543
def get_permissions(self, user):
1251
def get_permissions(self, user, config):
544
1252
return set(['view']) if user is self.user else set()
546
1254
class TestSuite(Storm):
547
"""A Testsuite acts as a container for the test cases of an exercise."""
1255
"""A container to group an exercise's test cases.
1257
The test suite contains some information on how to test. The function to
1258
test, variables to set and stdin data are stored here.
548
1261
__storm_table__ = "test_suite"
549
1262
__storm_primary__ = "exercise_id", "suiteid"
552
exercise_id = Unicode(name="problemid")
553
exercise = Reference(exercise_id, Exercise.id)
554
test_cases = ReferenceSet(suiteid, 'TestCase.suiteid')
1265
exercise_id = Unicode(name="exerciseid")
555
1266
description = Unicode()
1268
function = Unicode()
1270
exercise = Reference(exercise_id, Exercise.id)
1271
test_cases = ReferenceSet(suiteid, 'TestCase.suiteid', order_by="seq_no")
1272
variables = ReferenceSet(suiteid, 'TestSuiteVar.suiteid', order_by='arg_no')
1275
"""Delete this suite, without asking questions."""
1276
for variable in self.variables:
1278
for test_case in self.test_cases:
1280
Store.of(self).remove(self)
558
1282
class TestCase(Storm):
559
"""A TestCase is a member of a TestSuite.
561
It contains the data necessary to check if an exercise is correct"""
1283
"""A container for actual tests (see TestCasePart), inside a test suite.
1285
It is the lowest level shown to students on their pass/fail status."""
562
1287
__storm_table__ = "test_case"
563
1288
__storm_primary__ = "testid", "suiteid"
567
suite = Reference(suiteid, TestSuite.suiteid)
1292
suite = Reference(suiteid, "TestSuite.suiteid")
568
1293
passmsg = Unicode()
569
1294
failmsg = Unicode()
571
code_type = Unicode()
1295
test_default = Unicode() # Currently unused - only used for file matching.
576
__init__ = _kwarg_init
1298
parts = ReferenceSet(testid, "TestCasePart.testid")
1300
__init__ = _kwarg_init
1303
for part in self.parts:
1305
Store.of(self).remove(self)
1307
class TestSuiteVar(Storm):
1308
"""A variable used by an exercise test suite.
1310
This may represent a function argument or a normal variable.
1313
__storm_table__ = "suite_variable"
1314
__storm_primary__ = "varid"
1318
var_name = Unicode()
1319
var_value = Unicode()
1320
var_type = Unicode()
1323
suite = Reference(suiteid, "TestSuite.suiteid")
1325
__init__ = _kwarg_init
1328
Store.of(self).remove(self)
1330
class TestCasePart(Storm):
1331
"""An actual piece of code to test an exercise solution."""
1333
__storm_table__ = "test_case_part"
1334
__storm_primary__ = "partid"
1339
part_type = Unicode()
1340
test_type = Unicode()
1342
filename = Unicode()
1344
test = Reference(testid, "TestCase.testid")
1346
__init__ = _kwarg_init
1349
Store.of(self).remove(self)
added
removed
ivle/database.py
