def get_rated_students_for_class(form_id: bson.ObjectId,
count) -> List[Student]:
my_class = Form.objects(id=form_id).first()
students = Student.objects(
id__in=my_class.Student_ids).all().order_by("-" +
"avg_score").limit(count)
return list(students)
def add_score(stud_id, score, subject) -> Score:
student = Student.objects(id=stud_id).first()
mscore = Score()
mscore.name = subject
mscore.score = score
mscore.save()
student.scores_ids.append(mscore.id)
student.save()
def add_student(form_id, full_name, sex) -> Student:
student = Student()
student.full_name = full_name
student.sex = sex
student.save()
form = Form.objects(id=form_id).first()
form.Student_ids.append(student.id)
form.save()
return student
help(hello.upper)
# Evaluate python code in String format.
print()
command = 'print("Hello")'
eval(command)
# Execute python code in String format (ideal for multiple lines of code).
print()
command = 'print("Hello")'
exec(command)
# Changing data types.
print()
a = 1
print(str(a) + str(a))
print(float(a) + float(a))
print(int(a) + int(a))
print(str(a))
""" OBJECT-ORIENTED PROGRAMMING """
# Class and object
print("\nOBJECT-ORIENTED PROGRAMMING:")
p = Person("Joseph", "Grech", 29)
print("%s %s is %d years old." %
(p.getFirstName(), p.getLastName(), p.getAge()))
# Inheritance
s = Student("Joseph", "Grech", 29, "Python")
print("%s %s is %d years old, and is reading a %s course." %
(s.getFirstName(), s.getLastName(), s.getAge(), s.getCourse()))
def update_aver_score_student(stud_id) -> Student:
Student.objects(id=stud_id).update(
avg_score=get_average_score_for_student(stud_id))
def add_district(stud_id) -> Student:
Student.objects(id=stud_id).update(district=generator.generate_distr())
def get_average_score_for_form(form_id: bson.ObjectId):
my_form = Form.objects(id=form_id).first()
avg = Student.objects(id__in=my_form.Student_ids).average('avg_score')
return avg
def get_average_score_for_student(student_id: bson.ObjectId):
my_student = Student.objects(id=student_id).first()
avg = Score.objects(id__in=my_student.scores_ids).average('score')
return avg
def get_scores_for_student(student_id: bson.ObjectId) -> List[Score]:
my_student = Student.objects(id=student_id).first()
scores = Score.objects(id__in=my_student.scores_ids).all()
return list(scores)
def get_students_for_class(class_id: bson.ObjectId) -> List[Student]:
my_class = Form.objects(id=class_id).first()
students = Student.objects(id__in=my_class.Student_ids).all()
return list(students)