def _get_majors(self, path):
""" Read majors files and assign the course to the majors
Handle exceptions in the calling function.
"""
for major, flag, course in rf.file_reading_gen(path, 3, sep='\t', header=True):
if major not in self._majors:
self._majors[major] = Major(major)
self._majors[major].add_course(course, flag)
def _get_students(self, path):
''' Read students from path and add to the self.students
Allow exceptions from reading the file to flow back to the caller.
'''
for cwid, name, major in rf.file_reading_gen(path, 3, sep=';', header=True):
if major not in self._majors:
print(f"Student {cwid} '{name}' has unknown major '{major}'")
else:
self._students[cwid] = Student(cwid, name, self._majors[major])
def _get_grades(self, path):
''' Read grades from path and add to the self.instructors
Allow exceptions from reading the file to flow back to the caller.
'''
for student_cwid, course, grade, instructor_cwid in rf.file_reading_gen(path, 4, sep='|', header=True):
if student_cwid in self._students:
self._students[student_cwid].add_course(course, grade)
else:
print(f"Found grade for unknown student '{student_cwid}")
if instructor_cwid in self._instructors:
self._instructors[instructor_cwid].add_student(course)
else:
print(f"Found grade for unknown instructor '{instructor_cwid}")
def _get_instructors(self, path):
''' Read instructors from path and add to the self.instructors
Allow exceptions from reading the file to flow back to the caller.
'''
for cwid, name, dept in rf.file_reading_gen(path, 3, sep='|', header=True):
self._instructors[cwid] = Instructor(cwid, name, dept)
