def load_students_from_csv(file_name="students.csv"):
with open(file_name, newline="") as students_file:
csv_reader = csv.reader(students_file)
next(csv_reader)
return [
Student.from_csv(
first_name=row[0],
last_name=row[1],
promoted=str_to_bool(row[2]),
grades_values=[int(value) for value in row[3].split(",")])
for row in csv_reader
]
def load_students(self, use_cache=True):
if use_cache and self.cached_students:
return self.cached_students
else:
with open(self.file_name, newline="") as students_file:
csv_reader = csv.reader(students_file)
self.cached_headers = next(csv_reader)
self.cached_students = [
Student.from_csv(first_name=row[0],
last_name=row[1],
promoted=conversion.str_to_bool(row[2]),
grades_values=[
int(value)
for value in row[3].split(",")
]) for row in csv_reader
]
return self.cached_students
def load_students(self, use_cache=True):
if use_cache and self.cached_students:
return self.cached_students
else:
with open(self.file_name, newline="") as students_file:
csv_reader = csv.DictReader(students_file)
self.cached_headers = csv_reader.fieldnames
self.cached_students = [
Student.from_csv(
first_name=row["first_name"],
last_name=row["last_name"],
promoted=conversion.str_to_bool(row["promoted"]),
grades_values=[
int(value)
for value in row["final_grades"].split(",")
]) for row in csv_reader
]
return self.cached_students
