def remove(self, Student):
'''
removes a student based on it's object. uses removeById method
input: Student - the object to be removed
no output
'''
if self.findById(Student.getID()) == None:
raise StudentError("Student ID not found; cannot delete")
else:
return (self.removeById(Student.getID()))
def testStudentRepo(self):
a = Student("2", "John", 100)
b = StudentRepo()
assert len(b) == 0
b.add(a)
assert len(b) == 1
a = Student("3", "Picks", 50)
b.add(a)
assert len(b) == 2
b.remove(a)
assert len(b) == 1
b.add(a)
assert b.findById("3").getName() == "Picks"
def findGradeByAssign(self, Student, listAssign):
'''
finds grade of each student by his assignments
'''
for counter in range(0, len(listAssign)):
if Student.getID() == listAssign[counter].getID():
return listAssign[counter].getGrade()
def testLinkClass(self):
a = Assignment("1", "hello", "world", 1, 1)
b = Student("3", "Picks", 50)
newlinkid = 3
c = Link(b, a, newlinkid)
assert c.getStud().getID() == '3'
assert c.getAssign().getKeyID() == 1
assert c.getID() == 3
def findIndex(self, Student):
'''
finds the index of the Student object
output: the index in the repository (of the Student object)
'''
for counter in range(0, len(self)):
if self._data[counter].getID() == Student.getID():
return counter
def add(self, Student):
'''
adds a new student to the repository
input: Student object
'''
if self.findById(Student.getID()) != None:
raise StudentError("Duplicate ID")
else:
self._data.append(Student)
def readfromfile(self):
'''
loads the repository from the file
'''
f = open("stud.txt", "r")
raw = f.readline().split(sep=";")
while raw[0] != "end\n" and raw[0] != "end" and len(raw) >= 3:
newid = raw[0]
newname = raw[1]
newgroup = int(raw[2])
newstud = Student(newid, newname, newgroup)
self.add(newstud)
raw = f.readline().split(sep=";")
def addStud(self):
'''
adds a new student to the repository
calls add function in the repository
'''
print("Student Name:")
tempName = input()
print("Student ID:")
tempID = input()
print("Student Group:")
try:
tempGroup = int(input())
except:
raise StudentError("Invalid group!")
newStud = Student(tempID, tempName, tempGroup)
self._studrepo.add(newStud)
self._undoop.append(AddOperation(newStud))
self._redoop = []
def testStudentClass(self):
a = Student("1", "Joe",
916) #real professional testing right here, folks.
assert a.getID() == "1"
assert a.getName() == "Joe"
assert a.getGroup() == 916
a.setGroup(69)
a.setID("69")
a.setName("Bob")
assert a.getID() == "69"
assert a.getName() == "Bob"
assert a.getGroup() == 69