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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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"""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_svn_url(self, config):
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"""Get the subversion repository URL for this user or group."""
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url = config['urls']['svn_addr']
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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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return self.offerings.find(Offering.semester_id == Semester.id,
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Semester.year == unicode(year),
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Semester.url_name == unicode(semester)).one()
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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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__init__ = _kwarg_init
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def __repr__(self):
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return "<%s %s/%s>" % (type(self).__name__, self.year, self.code)
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return "<%s %s/%s>" % (type(self).__name__, self.year, self.semester)
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class Offering(Storm):
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"""An offering of a subject in a particular semester."""
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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, user, late=False):
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@param late: If True, does not take the deadline into account.
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def can_submit(self, principal, user):
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return (self in principal.get_projects() and
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(late or not self.has_deadline_passed(user)))
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not self.has_deadline_passed(user))
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def submit(self, principal, path, revision, who, late=False):
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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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@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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@param late: If True, will not raise a DeadlinePassed exception even
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after the deadline. (Default False.)
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if not self.can_submit(principal, who, late=late):
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if not self.can_submit(principal, who):
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raise DeadlinePassed()
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a = Assessed.get(Store.of(self), principal, self)
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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_svn_url(self, config):
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"""Get the subversion repository URL for this user or group."""
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url = config['urls']['svn_addr']
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path = 'groups/%s_%s_%s_%s' % (
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self.project_set.offering.subject.short_name,
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self.project_set.offering.semester.year,
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self.project_set.offering.semester.url_name,
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return urlparse.urljoin(url, path)
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def get_permissions(self, user, config):
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if user.admin or user in self.members:
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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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notes = Unicode()
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return "/files/%s/%s/%s?r=%d" % (user.login,
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self.assessed.checkout_location, submitpath, self.revision)
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def get_svn_url(self, config):
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"""Get subversion URL for this submission"""
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princ = self.assessed.principal
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base = princ.get_svn_url(config)
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if self.path.startswith(os.sep):
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return os.path.join(base,
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urllib.quote(self.path[1:].encode('utf-8')))
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return os.path.join(base, urllib.quote(self.path.encode('utf-8')))
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def get_svn_export_command(self, req):
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"""Returns a Unix shell command to export a submission"""
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svn_url = self.get_svn_url(req.config)
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_, ext = os.path.splitext(svn_url)
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username = (req.user.login if req.user.login.isalnum() else
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"'%s'"%req.user.login)
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# Export to a file or directory relative to the current directory,
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# with the student's login name, appended with the submitted file's
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export_path = self.assessed.principal.short_name + ext
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return "svn export --username %s -r%d '%s' %s"%(req.user.login,
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self.revision, svn_url, export_path)
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def test_and_normalise_path(path):
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"""Test that path is valid, and normalise it. This prevents possible
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raise SubmissionError("Path must not contain '\\n', '[' or ']'")
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return os.path.normpath(path)
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"""True if the project was submitted late."""
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return self.days_late > 0
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"""The number of days the project was submitted late (rounded up), or
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# XXX: Need to respect extensions.
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(self.date_submitted - self.assessed.project.deadline).days + 1)
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# WORKSHEETS AND EXERCISES #
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class Exercise(Storm):