def _loadFile(self):
try:
file = open(self._fileName, "rb")
result = pickle.load(file)
for student in result:
StudentRepo.add(self, student)
file.close()
except Exception:
raise ValueError("Cannot open file!")
def readSettings():
settings = {}
f = open("settings.properties", "r")
s = f.read()
lines = s.split("\n")
for line in lines:
tokens = line.split("=")
settings[tokens[0].strip()] = tokens[1].strip()
f.close()
return settings
settings = readSettings()
if settings["repo_type"] == "memory":
studentRepo = StudentRepo()
disciplineRepo = DisciplineRepo()
gradeRepo = GradeRepo()
elif settings["repo_type"] == "text":
studentRepo = StudentTextFileRepo(settings["student_repo_file"])
disciplineRepo = DisciplineTextFileRepo(settings["discipline_repo_file"])
gradeRepo = GradeTextFileRepo(settings["grade_repo_file"])
elif settings["repo_type"] == "binary":
studentRepo = StudentBinaryFileRepo(settings["student_repo_file"])
disciplineRepo = DisciplineBinaryFileRepo(settings["discipline_repo_file"])
gradeRepo = GradeBinaryFileRepo(settings["grade_repo_file"])
studentValidator = StudentValidator(studentRepo)
gradeValidator = GradeValidator(studentRepo, disciplineRepo)
disciplineValidator = DisciplineValidator(disciplineRepo)
undoController = UndoController()
def __init__(self, fileName="students.pickle"):
StudentRepo.__init__(self)
self._fileName = fileName
self._loadFile()
def clear(self):
StudentRepo.clear(self)
self._saveFile()
def update(self, oldStudent, newStudent):
StudentRepo.update(self, oldStudent, newStudent)
self._saveFile()
def add(self, student):
StudentRepo.add(self, student)
self._saveFile()
def remove(self, studentID):
StudentRepo.remove(self, studentID)
self._saveFile()
def _saveFile(self):
file = open(self._fileName, "wb")
pickle.dump(StudentRepo.getAll(self), file)
file.close()