32
30
from storm.locals import create_database, Store, Int, Unicode, DateTime, \
33
31
Reference, ReferenceSet, Bool, Storm, Desc
231
229
"""Find a user in a store by login name."""
232
230
return store.find(cls, cls.login == unicode(login)).one()
234
def get_svn_url(self, config):
235
"""Get the subversion repository URL for this user or group."""
236
url = config['urls']['svn_addr']
237
path = 'users/%s' % self.login
238
return urlparse.urljoin(url, path)
240
232
def get_permissions(self, user, config):
241
233
"""Determine privileges held by a user over this object.
299
291
return self.offerings.find(Offering.semester_id == Semester.id,
300
292
Semester.year == unicode(year),
301
Semester.url_name == unicode(semester)).one()
293
Semester.semester == unicode(semester)).one()
303
295
class Semester(Storm):
304
296
"""A semester in which subjects can be run."""
321
311
__init__ = _kwarg_init
323
313
def __repr__(self):
324
return "<%s %s/%s>" % (type(self).__name__, self.year, self.code)
314
return "<%s %s/%s>" % (type(self).__name__, self.year, self.semester)
326
316
class Offering(Storm):
327
317
"""An offering of a subject in a particular semester."""
439
429
# XXX: Respect extensions.
440
430
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
432
def clone_worksheets(self, source):
452
433
"""Clone all worksheets from the specified source to this offering."""
453
434
import ivle.worksheet.utils
612
593
return "<%s '%s' in %r>" % (type(self).__name__, self.short_name,
613
594
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.
596
def can_submit(self, principal, user):
619
597
return (self in principal.get_projects() and
620
(late or not self.has_deadline_passed(user)))
598
not self.has_deadline_passed(user))
622
def submit(self, principal, path, revision, who, late=False):
600
def submit(self, principal, path, revision, who):
623
601
"""Submit a Subversion path and revision to a project.
625
603
@param principal: The owner of the Subversion repository, and the
627
605
@param path: A path within that repository to submit.
628
606
@param revision: The revision of that path to submit.
629
607
@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):
610
if not self.can_submit(principal, who):
635
611
raise DeadlinePassed()
637
613
a = Assessed.get(Store.of(self), principal, self)
674
650
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)
689
654
class ProjectGroup(Storm):
690
655
"""A group of students working together on a project."""
740
705
Semester.id == Offering.semester_id,
741
706
(not active_only) or (Semester.state == u'current'))
743
def get_svn_url(self, config):
744
"""Get the subversion repository URL for this user or group."""
745
url = config['urls']['svn_addr']
746
path = 'groups/%s_%s_%s_%s' % (
747
self.project_set.offering.subject.short_name,
748
self.project_set.offering.semester.year,
749
self.project_set.offering.semester.url_name,
752
return urlparse.urljoin(url, path)
754
709
def get_permissions(self, user, config):
755
710
if user.admin or user in self.members:
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
806
class ProjectExtension(Storm):
860
807
"""An extension granted to a user or group on a particular project.
867
814
id = Int(name="extensionid", primary=True)
868
815
assessed_id = Int(name="assessedid")
869
816
assessed = Reference(assessed_id, Assessed.id)
817
deadline = DateTime()
871
818
approver_id = Int(name="approver")
872
819
approver = Reference(approver_id, User.id)
873
820
notes = Unicode()
876
"""Delete the extension."""
877
Store.of(self).remove(self)
879
822
class SubmissionError(Exception):
880
823
"""Denotes a validation error during submission."""
915
858
return "/files/%s/%s/%s?r=%d" % (user.login,
916
859
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
862
def test_and_normalise_path(path):
943
863
"""Test that path is valid, and normalise it. This prevents possible
957
877
raise SubmissionError("Path must not contain '\\n', '[' or ']'")
958
878
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)
973
880
# WORKSHEETS AND EXERCISES #
975
882
class Exercise(Storm):
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)
940
def get_description(self):
941
"""Return the description interpreted as reStructuredText."""
942
return rst(self.description)
1054
944
def delete(self):
1055
945
"""Deletes the exercise, providing it has no associated worksheets."""
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
1020
"""Returns the xml of this worksheet, converts from rst if required."""
1021
if self.format == u'rst':
1022
ws_xml = rst(self.data)
1149
1025
return self.data
1151
def set_data(self, data):
1153
self._cache_data_xhtml(invalidate=True)
1155
1027
def delete(self):
1156
1028
"""Deletes the worksheet, provided it has no attempts on any exercises.
added
removed
ivle/database.py
