class Mail:
    def __init__(self):
        self.nadawca = 'brak'
        self.odbiorca = 'brak'
        self.data = 'brak'
        self.tytul = 'brak'
        self.tresc = 'brak'

    def show_mail(self):
        print('Pokazuje maila')
        print('nadawca: %s' % self.nadawca)
        print('odbiorca: %s' % self.odbiorca)
        print('data: %s' % self.data)
        print('tytul: %s' % self.tytul)
        print('tresc: %s' % self.tresc)

    def load_mail(self, path_to_file):
        with open(path_to_file, 'rb') as file1:
            for index, line in enumerate(file1):
                # utf8 decoding
                line = line.decode('utf8', 'ignore')
                splitted = line.split(':', 1)

                if index == 0:
                    self.nadawca = splitted[1]

                if index == 1:
                    self.odbiorca = splitted[1]

                if index == 2:
                    self.data = splitted[1]

                if index == 3:
                    self.tytul = splitted[1]

                if index == 4:
                    self.tresc = splitted[1]