def searchEnrolment(self, enroll):
'''
Function to find enrollment in enrolment list
:param: enroll - enrolment to search for
'''
for enrollment in self._enrolment:
if enrollment.get_student_id() == enroll.get_student_id(
) and enrollment.get_discipline_id() == enroll.get_discipline_id():
return enroll
raise classException('Student not enrolled')
def remove_Discipline(self):
try:
index = self.dList.curselection()
disciplineID = self.DreadID(self.dList.get(index))
disciplineID = int(disciplineID)
name = ''
eList = []
gList = []
for Discipline in self._disciplineControl.getCurentRepo(
).getDisciplines():
if int(Discipline.getId()) == disciplineID:
name = Discipline.getName()
for enroll in self._enrolControl.getCurentRepo().getEnroll():
if enroll.get_discipline_id() == disciplineID:
eList.append(enroll)
for grade in self._gradeControl.getCurentRepo().getGrades():
if grade.getDisciplineID() == disciplineID:
gList.append(grade)
try:
self._disciplineControl.removeDiscipline(disciplineID)
except classException:
pass
try:
self._gradeControl.removeGradeDiscipline(disciplineID)
except classException:
pass
try:
self._enrolControl.removeEnrollDiscipline(disciplineID)
except classException:
pass
try:
self._disciplineControl.delete(disciplineID, eList, gList,
name)
except classException:
pass
self.refreshALL()
except ValueError:
self.displayError('Invalid Input')
except NameError:
self.displayError('Invalid Name')
except TclError:
self.displayError('No item selected')
def removeEnrollDiscipline(self, disciplineID):
'''
Funciton to remove a discipline from the enroll list
:param: disciplineID - discipline to be removed
'''
index = 0
while index <= len(self._enrolment) - 1:
enroll = self._enrolment[index]
if enroll.get_discipline_id() == disciplineID:
del self._enrolment[index]
index = 0
index += 1
raise classException('ID not found')
def removeEnrolment(self, enroll):
'''
Function to remove a student Enrolment
:param: enroll - enroll to be removed
'''
try:
self.searchEnrolment(enroll)
for index in range(len(self._enrolment) - 1):
if self._enrolment[index].get_student_id(
) == enroll.get_student_id(
) and self._enrolment[index].get_discipline_id(
) == enroll.get_discipline_id():
del self._enrolment[index]
except classException:
raise ValueError('Enrolment not found!')
def statEnroll(self):
disciplineID =int(input('\nEnter discipline ID:'))
print '\n1). Sort alphabetically'
print '2). Sort by grade'
option = input('Enter Option:')
if option != 1 and option != 2:
print 'Option invalid'
return
elif option == 1:
sList = []
for enroll in self._enrolControl.getCurentRepo().getEnroll():
if enroll.get_discipline_id() == disciplineID:
sList.append(enroll.get_student_id())
for index in range(len(sList)):
for student in self._studentControl.getCurentRepo().getStudents():
if sList[index] == student.getId():
sList[index] = student.getName()
sList.sort()
print '\n'
for index in sList:
print index
del sList[:]
elif option == 2:
sList = [[' ',-1]]
for grade in self._gradeControl.getCurentRepo().getGrades():
if grade.getDisciplineID() == disciplineID:
for student in self._studentControl.getCurentRepo().getStudents():
if student.getId() == grade.getStudentID():
if grade.getGrade() != []:
gradeAvg = self.listAvg(grade.getGrade(),grade.getGradeSize())
sList.append([student.getName(),gradeAvg])
sList.sort(key=itemgetter(1),reverse = True)
print '\n'
for index in range(len(sList)-1):
print sList[index]
del sList[:]