/usr/lib/python2.7/dist-packages/schooltool/lyceum/journal/journal.py is in python-schooltool.lyceum.journal 2.6.3-0ubuntu1.
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# SchoolTool - common information systems platform for school administration
# Copyright (c) 2007 Shuttleworth Foundation
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
"""
Lyceum journal content classes.
"""
from decimal import Decimal
from persistent import Persistent
import zope.schema
import zope.schema.interfaces
import zope.schema.vocabulary
import z3c.form.widget
from zope.annotation.interfaces import IAnnotations
from zope.security.proxy import removeSecurityProxy
from zope.intid.interfaces import IIntIds
from zope.container.btree import BTreeContainer
from zope.container.interfaces import INameChooser
from zope.cachedescriptors.property import Lazy
from zope.component import getUtility
from zope.component import adapter
from zope.component import adapts
from zope.component import queryMultiAdapter
from zope.interface import implementer
from zope.interface import implements
from zope.interface import Interface
from zope.keyreference.interfaces import IKeyReference
from zope.location.interfaces import ILocation
from schooltool.app.app import InitBase, StartUpBase
from schooltool.app.interfaces import ISchoolToolApplication
from schooltool.app.interfaces import ISchoolToolCalendar
from schooltool.course.interfaces import ILearner
from schooltool.course.interfaces import IInstructor
from schooltool.course.interfaces import ISection
from schooltool.export.export import XLSReportTask
from schooltool.person.interfaces import IPerson
from schooltool.requirement.interfaces import ICustomScoreSystem
from schooltool.requirement.interfaces import IEvaluations
from schooltool.requirement.evaluation import Evaluation
from schooltool.requirement.scoresystem import AbstractScoreSystem
from schooltool.requirement.scoresystem import GlobalRangedValuesScoreSystem
from schooltool.requirement.scoresystem import CustomScoreSystem
from schooltool.requirement.scoresystem import ScoreSystemAppStartup
from schooltool.requirement.scoresystem import ScoreValidationError, UNSCORED
from schooltool.requirement.interfaces import IScoreSystemContainer
from schooltool.securitypolicy.crowds import ConfigurableCrowd
from schooltool.securitypolicy.crowds import ClerksCrowd
from schooltool.lyceum.journal.interfaces import IJournalScoreSystemPreferences
from schooltool.lyceum.journal.interfaces import IAttendanceScoreSystem
from schooltool.lyceum.journal.interfaces import IPersistentAttendanceScoreSystem
from schooltool.lyceum.journal.interfaces import IEvaluateRequirement
from schooltool.lyceum.journal.interfaces import ISectionJournal
from schooltool.lyceum.journal.interfaces import ISectionJournalData
from schooltool.lyceum.journal.interfaces import IAvailableScoreSystems
from schooltool.lyceum.journal import LyceumMessage as _
# BBB
ABSENT = 'n' #n means absent in lithuanian
TARDY = 'p' #p means tardy in lithuanian
CURRENT_SECTION_TAUGHT_KEY = 'schooltool.gradebook.currentsectiontaught'
CURRENT_JOURNAL_MODE_KEY = 'schooltool.gradebook.currentjournalmode'
class AttendanceScoreSystem(AbstractScoreSystem):
implements(IAttendanceScoreSystem)
scores = ()
tag_absent = ()
tag_tardy = ()
tag_excused = ()
def __init__(self, title, description=None, **kw):
super(AttendanceScoreSystem, self).__init__(title, description=description)
self.initDefaults(**kw)
def initDefaults(self, **kw):
if 'scores' not in kw:
self.scores = (('a', _('Absent')),
('t', _('Tardy')),
('ae', _('Absent (excused)')),
('te', _('Tardy (excused)')))
self.tag_absent = 'a', 'ae',
self.tag_tardy = 't', 'te',
self.tag_excused = 'ae', 'te',
else:
self.scores = kw['scores']
for attr in ('tag_absent', 'tag_tardy', 'tag_excused'):
setattr(self, attr, tuple(kw.get(attr, ())))
def isValidScore(self, score):
"""See interfaces.IScoreSystem"""
if score is UNSCORED:
return True
if not isinstance(score, (str, unicode)):
return False
for s in self.scoresDict.keys():
if s.lower() == score.lower():
return True
return False
def fromUnicode(self, rawScore):
"""See interfaces.IScoreSystem"""
if not rawScore:
return UNSCORED
for score in self.scoresDict.keys():
if score.lower() == rawScore.lower():
return score
raise ScoreValidationError(rawScore)
def isTardy(self, score):
if not score:
return False
return score.value in self.tag_tardy
def isAbsent(self, score):
if not score:
return False
return score.value in self.tag_absent
def isExcused(self, score):
if not score:
return False
return score.value in self.tag_excused
@Lazy
def scoresDict(self):
return dict(self.scores)
class PersistentAttendanceScoreSystem(AttendanceScoreSystem, Persistent):
implements(IPersistentAttendanceScoreSystem)
hidden = False
class GlobalAbsenceScoreSystem(AttendanceScoreSystem):
def __init__(self, name, *args, **kw):
super(GlobalAbsenceScoreSystem, self).__init__(*args, **kw)
self.__name__ = name
def __reduce__(self):
return self.__name__
class GlobalJournalRangedValuesScoreSystem(GlobalRangedValuesScoreSystem):
pass
# The score system used in the old journal
TenPointScoreSystem = GlobalJournalRangedValuesScoreSystem(
'TenPointScoreSystem',
_('10 Points'),
min=Decimal(1), max=Decimal(10))
# Attendance score system
AbsenceScoreSystem = GlobalAbsenceScoreSystem(
'AbsenceScoreSystem',
_('Absences'),
scores=(('a', _('Absent')),
('n', _('Absent')),
('t', _('Tardy')),
('p', _('Tardy')),
('ae', _('Absent (excused)')),
('te', _('Tardy (excused)')),
),
tag_absent=('a', 'n', 'ae'),
tag_tardy=('t', 'p', 'te'),
tag_excused=('ae', 'te'),
)
def getInstructorSections(person):
return list(IInstructor(person).sections())
def getCurrentSectionTaught(person):
ann = IAnnotations(removeSecurityProxy(person))
if CURRENT_SECTION_TAUGHT_KEY not in ann:
ann[CURRENT_SECTION_TAUGHT_KEY] = None
else:
section = ann[CURRENT_SECTION_TAUGHT_KEY]
if section not in getInstructorSections(person):
return None
try:
getSectionJournalData(section)
except:
ann[CURRENT_SECTION_TAUGHT_KEY] = None
return ann[CURRENT_SECTION_TAUGHT_KEY]
def setCurrentSectionTaught(person, section):
ann = IAnnotations(removeSecurityProxy(person))
if section in getInstructorSections(person):
ann[CURRENT_SECTION_TAUGHT_KEY] = removeSecurityProxy(section)
def getCurrentJournalMode(person):
ann = IAnnotations(removeSecurityProxy(person))
if CURRENT_JOURNAL_MODE_KEY not in ann:
ann[CURRENT_JOURNAL_MODE_KEY] = None
return ann.get(CURRENT_JOURNAL_MODE_KEY, None)
def setCurrentJournalMode(person, mode):
ann = IAnnotations(removeSecurityProxy(person))
ann[CURRENT_JOURNAL_MODE_KEY] = mode
class LyceumJournalContainer(BTreeContainer):
"""A container for all the journals in the system."""
@adapter(ISectionJournalData)
@implementer(ISection)
def getSectionForSectionJournalData(jd):
int_ids = getUtility(IIntIds)
return int_ids.getObject(int(jd.__name__))
@adapter(ISectionJournal)
@implementer(ISection)
def getSectionForSectionJournal(sj):
return sj.section
class EvaluateGeneric(object):
implements(IEvaluateRequirement)
def __init__(self, target):
self.context = target
def evaluate(self, person, requirement, grade, evaluator=None, score_system=None):
if score_system is None:
score_system = requirement.score_system
score = score_system.fromUnicode(grade)
evaluations = removeSecurityProxy(IEvaluations(person))
if requirement in evaluations:
current = evaluations[requirement]
if (current.value == score and
current.evaluator == evaluator):
return
else:
if score is UNSCORED:
return
eval = Evaluation(requirement, score_system, score, evaluator=evaluator)
evaluations.addEvaluation(eval)
def getEvaluation(self, person, requirement, default=None):
evaluations = removeSecurityProxy(IEvaluations(person))
score = evaluations.get(requirement)
if score is None:
return default
return score
class MeetingRequirement(tuple):
implements(IKeyReference)
key_type_id = 'schooltool.lyceum.journal.journal.MeetingRequirement'
requirement_type = None
score_system = None
def __new__(cls, meeting, score_system=None):
params = cls.getMeetingParams(meeting)
inst = tuple.__new__(cls, params)
if score_system is not None:
inst.score_system = score_system
return inst
@classmethod
def getMeetingParams(cls, meeting):
date = meeting.dtstart.date()
meeting_id = meeting.meeting_id
if meeting_id is None:
meeting_id = meeting.unique_id
try:
calendar = meeting.__parent__
target = calendar.__parent__
target_ref = IKeyReference(target)
except TypeError:
target_ref = None
return (cls.requirement_type, date, meeting_id, target_ref)
def __cmp__(self, other):
if self.key_type_id == other.key_type_id:
return cmp(tuple(self), tuple(other))
return cmp(self.key_type_id, other.key_type_id)
@property
def date(self):
return self[1]
@property
def meeting_id(self):
return self[2]
@property
def target(self):
"""Return the grading target (for example, section)"""
if self[3] is None:
return None
return self[3]()
def __call__(self):
return self
class SchoolMeetingRequirement(MeetingRequirement):
implements(IKeyReference)
key_type_id = 'schooltool.lyceum.journal.journal.SchoolMeetingRequirement'
@classmethod
def getMeetingParams(cls, meeting):
date = meeting.dtstart.date()
target_ref = IKeyReference(ISchoolToolApplication(None))
return (cls.requirement_type, date, None, target_ref)
class GradeRequirement(MeetingRequirement):
requirement_type = 'grade'
score_system = TenPointScoreSystem
class AttendanceRequirement(MeetingRequirement):
requirement_type = 'attendance'
score_system = AbsenceScoreSystem
class HomeroomRequirement(SchoolMeetingRequirement):
requirement_type = 'homeroom'
score_system = AbsenceScoreSystem
class SectionJournalData(Persistent):
"""A journal for a section."""
implements(ISectionJournalData, ILocation)
def __init__(self):
self.__parent__ = None
self.__name__ = None
@property
def section(self):
return ISection(self)
def getKeys(self, person, meeting):
key = (person.__name__, meeting.dtstart.date())
entry_id = meeting.meeting_id
if entry_id is None:
entry_id = meeting.unique_id
return (key, entry_id)
def evaluate(self, person, requirement, grade, evaluator=None, score_system=None):
if score_system is None:
score_system = requirement.score_system
score = score_system.fromUnicode(grade)
evaluations = removeSecurityProxy(IEvaluations(person))
if requirement in evaluations:
current = evaluations[requirement]
if (current.value == score and
current.evaluator == evaluator):
return
else:
if score is UNSCORED:
return
eval = Evaluation(requirement, score_system, score, evaluator=evaluator)
evaluations.addEvaluation(eval)
def getEvaluation(self, person, requirement, default=None):
evaluations = removeSecurityProxy(IEvaluations(person))
score = evaluations.get(requirement)
if score is None:
return default
return score
def setGrade(self, person, meeting, grade, evaluator=None):
requirement = GradeRequirement(removeSecurityProxy(meeting))
self.evaluate(person, requirement, grade, evaluator=evaluator)
def getGrade(self, person, meeting, default=None):
requirement = GradeRequirement(removeSecurityProxy(meeting))
score = self.getEvaluation(person, requirement, default=default)
if score is not default:
return score.value
return default
def setAbsence(self, person, meeting, explained=True, evaluator=None, value=ABSENT):
requirement = AttendanceRequirement(removeSecurityProxy(meeting))
# XXX: how to mark explained absences? With score comments OFC
# so we need score comments now.
self.evaluate(person, requirement, value, evaluator=evaluator)
def getAbsence(self, person, meeting, default=''):
requirement = AttendanceRequirement(removeSecurityProxy(meeting))
score = self.getEvaluation(person, requirement, default=default)
if score is default:
return default
return score.value
def isAbsent(self, person, meeting):
requirement = AttendanceRequirement(removeSecurityProxy(meeting))
score = self.getEvaluation(person, requirement, default=None)
if score is None:
return False
return score.scoreSystem.isAbsent(score)
def isTardy(self, person, meeting):
requirement = AttendanceRequirement(removeSecurityProxy(meeting))
score = self.getEvaluation(person, requirement, default=None)
if score is None:
return False
return score.scoreSystem.isTardy(score)
def descriptionKey(self, meeting):
date = meeting.dtstart.date()
entry_id = meeting.meeting_id
if entry_id is None:
entry_id = meeting.unique_id
return (date, entry_id)
def recordedMeetings(self, person):
result = []
unique_meetings = set()
calendar = ISchoolToolCalendar(self.section)
sorted_events = sorted(calendar, key=lambda e: e.dtstart)
evaluations = removeSecurityProxy(IEvaluations(person))
for event in sorted_events:
requirement = GradeRequirement(removeSecurityProxy(event))
if (requirement in evaluations and
event.meeting_id not in unique_meetings):
result.append(event)
unique_meetings.add(event.meeting_id)
return result
def gradedMeetings(self, person, requirement_factory=GradeRequirement):
result = []
unique_meetings = set()
calendar = ISchoolToolCalendar(self.section)
sorted_events = sorted(calendar, key=lambda e: e.dtstart)
evaluations = removeSecurityProxy(IEvaluations(person))
for event in sorted_events:
requirement = requirement_factory(removeSecurityProxy(event))
score = evaluations.get(requirement)
if (requirement in evaluations and
event.meeting_id not in unique_meetings):
result.append((event, score))
unique_meetings.add(event.meeting_id)
return result
def absentMeetings(self, person):
return self.gradedMeetings(
person, requirement_factory=AttendanceRequirement)
class SectionJournal(object):
"""Adapter that adapts a section to it's journal.
Journal of a section might include grades from related sections as
well.
"""
implements(ISectionJournal)
adapts(ISection)
def __init__(self, context):
self.__parent__ = context
self.section = context
self.__name__ = "journal"
def setGrade(self, person, meeting, grade, evaluator=None):
calendar = meeting.__parent__
owner = calendar.__parent__
section_journal_data = ISectionJournalData(owner)
section_journal_data.setGrade(person, meeting, grade,
evaluator=evaluator)
def getGrade(self, person, meeting, default=None):
calendar = meeting.__parent__
owner = calendar.__parent__
section_journal_data = ISectionJournalData(owner)
return section_journal_data.getGrade(person, meeting, default)
def setAbsence(self, person, meeting, explained=True, evaluator=None, value=ABSENT):
calendar = meeting.__parent__
owner = calendar.__parent__
section_journal_data = ISectionJournalData(owner)
section_journal_data.setAbsence(person, meeting, explained=explained,
evaluator=evaluator, value=value)
def getAbsence(self, person, meeting, default=''):
calendar = meeting.__parent__
owner = calendar.__parent__
section_journal_data = ISectionJournalData(owner)
return section_journal_data.getAbsence(person, meeting, default)
def isAbsent(self, person, meeting):
calendar = meeting.__parent__
owner = calendar.__parent__
section_journal_data = ISectionJournalData(owner)
return section_journal_data.isAbsent(person, meeting)
def isTardy(self, person, meeting):
calendar = meeting.__parent__
owner = calendar.__parent__
section_journal_data = ISectionJournalData(owner)
return section_journal_data.isTardy(person, meeting)
@Lazy
def members(self):
return [member for member in self.section.members
if IPerson.providedBy(member)]
@Lazy
def meetings(self):
"""Ordered list of all meetings for this section with
consecutive periods removed if the timetable is so configured."""
events = []
unique_meetings = set()
calendar = ISchoolToolCalendar(removeSecurityProxy(self.section))
sorted_events = sorted(calendar, key=lambda e: e.dtstart)
for event in sorted_events:
if event.meeting_id not in unique_meetings:
events.append(event)
unique_meetings.add(event.meeting_id)
return sorted(events)
def recordedMeetings(self, person):
"""Ordered list of all recorded meetings for this person.
For this section.
"""
sd = ISectionJournalData(removeSecurityProxy(self.section))
meetings = sd.recordedMeetings(person)
return sorted(meetings)
def gradedMeetings(self, person, requirement_factory=GradeRequirement):
meetings = []
sd = ISectionJournalData(removeSecurityProxy(self.section))
meetings = sd.gradedMeetings(person, requirement_factory)
return sorted(meetings)
def absentMeetings(self, person):
return self.gradedMeetings(person, requirement_factory=AttendanceRequirement)
def hasMeeting(self, person, meeting):
calendar = meeting.__parent__
owner = calendar.__parent__
return owner in ILearner(person).sections()
def findMeeting(self, meeting_id):
calendar = ISchoolToolCalendar(removeSecurityProxy(self.section))
meeting = calendar.find(meeting_id)
return meeting
def getSectionJournalData(section):
"""Get the journal for the section."""
app = ISchoolToolApplication(None)
jc = app['schooltool.lyceum.journal']
int_ids = getUtility(IIntIds)
section_id = str(int_ids.getId(section))
journal = jc.get(section_id, None)
if journal is None:
jc[section_id] = journal = SectionJournalData()
return journal
def getEventSectionJournal(event):
"""Get the section journal for a ScheduleCalendarEvent."""
calendar = event.__parent__
section = calendar.__parent__
return ISectionJournal(section)
class JournalInit(InitBase):
def __call__(self):
self.app['schooltool.lyceum.journal'] = LyceumJournalContainer()
class JournalAppStartup(StartUpBase):
def __call__(self):
if 'schooltool.lyceum.journal' not in self.app:
self.app['schooltool.lyceum.journal'] = LyceumJournalContainer()
class JournalEditorsCrowd(ConfigurableCrowd):
setting_key = 'administration_can_grade_journal'
def contains(self, principal):
"""Return the value of the related setting (True or False)."""
return (ClerksCrowd(self.context).contains(principal) and
super(JournalEditorsCrowd, self).contains(principal))
class JournalXLSReportTask(XLSReportTask):
@property
def context(self):
section = XLSReportTask.context.fget(self)
journal = ISectionJournal(section)
return journal
@context.setter
def context(self, value):
section = ISection(value)
XLSReportTask.context.fset(self, section)
@adapter(MeetingRequirement)
@implementer(IEvaluateRequirement)
def getEvaluateRequirementForMeetingRequirement(requirement):
return IEvaluateRequirement(requirement.target)
@adapter(ISection)
@implementer(IEvaluateRequirement)
def getEvaluateRequirementForSection(section):
return ISectionJournalData(section)
class ScoreSystemPreferences(Persistent):
implements(IJournalScoreSystemPreferences)
grading_scoresystem = None
attendance_scoresystem = None
@adapter(Interface)
@implementer(IJournalScoreSystemPreferences)
def getScoreSystemPreferences(jd):
app = ISchoolToolApplication(None)
ssp = app['schooltool.lyceum.journal-ss-prefs']
return ssp
class JournalScoreSystemsStartup(ScoreSystemAppStartup):
after = ('schooltool.requirement.scoresystem', )
def updateGradingSS(self, prefs):
ssc = IScoreSystemContainer(self.app)
if prefs.grading_scoresystem is not None:
ten = ssc.get('ten_points')
if isinstance(ten, CustomScoreSystem) and ten.scores[0][0] == u'1':
# Values need to be in descending order
ten.scores = list(reversed(ten.scores))
return
tenPointScoreSystem = CustomScoreSystem(
_('10 Points'),
scores=[(unicode(i), u'', Decimal(i), Decimal((i-1)*10))
for i in reversed(range(1, 11))],
bestScore='10',
minPassingScore='4')
chooser = INameChooser(ssc)
name = chooser.chooseName('ten_points', tenPointScoreSystem)
ssc[name] = tenPointScoreSystem
prefs.grading_scoresystem = tenPointScoreSystem
def updateAttendanceSS(self, prefs):
if prefs.attendance_scoresystem is not None:
return
ssc = IScoreSystemContainer(self.app)
attendanceScoreSystem = None
for ss in ssc.values():
if (IAttendanceScoreSystem.providedBy(ss) and
not ss.hidden):
attendanceScoreSystem = ss
break
if attendanceScoreSystem is None:
attendanceScoreSystem = PersistentAttendanceScoreSystem(_('Attendance'))
chooser = INameChooser(ssc)
name = chooser.chooseName(attendanceScoreSystem.title, attendanceScoreSystem)
ssc[name] = attendanceScoreSystem
prefs.attendance_scoresystem = attendanceScoreSystem
def updatePreferences(self, prefs):
self.updateGradingSS(prefs)
self.updateAttendanceSS(prefs)
def __call__(self):
super(JournalScoreSystemsStartup, self).__call__()
if 'schooltool.lyceum.journal-ss-prefs' not in self.app:
prefs = ScoreSystemPreferences()
self.app['schooltool.lyceum.journal-ss-prefs'] = prefs
else:
prefs = self.app['schooltool.lyceum.journal-ss-prefs']
self.updatePreferences(prefs)
@adapter(Interface)
@implementer(IAvailableScoreSystems)
def getJournalGradingScoreSystems(context):
app = ISchoolToolApplication(None)
ssc = IScoreSystemContainer(app)
result = [
ss for ss in ssc.values()
if (ICustomScoreSystem.providedBy(ss) and
not ss.hidden)]
return result
@adapter(Interface)
@implementer(IAvailableScoreSystems)
def getJournalAttendanceScoreSystems(context):
app = ISchoolToolApplication(None)
ssc = IScoreSystemContainer(app)
result = [
ss for ss in ssc.values()
if (IPersistentAttendanceScoreSystem.providedBy(ss) and
not ss.hidden)]
return result
class JournalGradingScoreSystemChoices(zope.schema.vocabulary.SimpleVocabulary):
implements(zope.schema.interfaces.IContextSourceBinder)
def __init__(self, context):
self.context = context
terms = self.createTerms()
zope.schema.vocabulary.SimpleVocabulary.__init__(self, terms)
def getScoreSystems(self):
scoresystems = list(queryMultiAdapter(
(self.context, ),
IAvailableScoreSystems,
name="grading",
default=[],
))
return scoresystems
def createTerms(self):
result = []
result.append(self.createTerm(
None,
z3c.form.widget.SequenceWidget.noValueToken,
_("Select a score system"),
))
scoresystems = self.getScoreSystems()
for scoresystem in scoresystems:
title = scoresystem.title
token = scoresystem.__name__
token=unicode(token).encode('punycode')
result.append(self.createTerm(scoresystem, token, title))
return result
class JournalAttendanceScoreSystemChoices(JournalGradingScoreSystemChoices):
def getScoreSystems(self):
scoresystems = list(queryMultiAdapter(
(self.context, ),
IAvailableScoreSystems,
name="attendance",
default=[],
))
return scoresystems
def journalgradingchoicesfactory():
return JournalGradingScoreSystemChoices
def journalattendancechoicesfactory():
return JournalAttendanceScoreSystemChoices
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