Python_OlegMolchanov/Python_parsing_course/lesson_05/main.py

import csv
import os
import pathlib


def write_csv1(data):
    path_f = os.path.dirname(os.path.abspath(__file__))
    with open(os.path.join(path_f, 'names.csv'), 'a', newline='') as file_:
        # writer_f = csv.writer(file_, delimiter=",") # разделитель
        # writer_f = csv.writer(file_, dialect="Excel") # диалект
        writer_f = csv.writer(file_)
        writer_f.writerow([
            data['name'],
            data['surname'],
            data['age'],
        ])


def write_csv2(data):
    path_f = os.path.dirname(os.path.abspath(__file__))
    with open(os.path.join(path_f, 'names.csv'), 'a', newline='', encoding='utf-8') as file_:
        # порядок отображения ключей в словаре
        order = ['name', 'surname', 'age']
        writer_f = csv.DictWriter(file_, fieldnames=order)
        writer_f.writerow(data)


def main():
    d0 = {'name': 'Petr', 'surname': 'Ivanov', 'age': 21}
    d1 = {'name': 'Ivan', 'surname': 'Petrov', 'age': 18}
    d2 = {'name': 'Ksu', 'surname': 'Petrova', 'age': 32}

    list = [d0, d1, d2]
    # for item in list:
    #     # print(item)
    #     write_csv2(item)

    # получаем путь к родительской директории
    path_f = os.path.dirname(pathlib.Path(__file__).parent.absolute())
    # print(os.path.join(path_f, 'lesson_04-2', 'cmc-pages.csv'))
    with open(os.path.join(path_f, 'lesson_04-2', 'cmc-pages.csv')) as file_:
        # порядок отображения ключей в словаре
        order = ['num', 'tik', 'name', 'url', 'cap', 'price', 'vol', 'chg']
        reader = csv.DictReader(file_, fieldnames=order)

        for row in reader:
            print({
                'num': row['num'],
                'tiker': row['tik'],
                'name': row['name'],
                'price': row['price']
            })


if __name__ == '__main__':
    main()