Владимир Куц

Есть проект

программисты только начали учить Django

# -*- coding: utf-8 -*-

from __future__ import print_function, unicode_literals
import os
from lxml import etree

FILES_DIR = 'Путь/До/Папки/С/Файлами'

def main():
    parser = etree.HTMLParser()
    for fname in os.listdir(FILES_DIR):
        path = os.path.join(FILES_DIR, fname)
        tree = etree.parse(path, parser)
        root = tree.getroot()
        el = root.find('.//h3[@class="header-text"]')
        if el is not None:
            header = el.text
            if not header:
                print(fname, 'Пустой заголовок')
                continue
            new_fname = header.strip() + '.html'
            new_path = os.path.join(FILES_DIR, new_fname)
            try:
                os.rename(path, new_path)
            except Exception as e:
                print(fname, 'Ошибка при переименовании')
                continue
            print(fname, '-->', new_fname)
        else:
            print(fname, 'Заголовок не найден')

if __name__ == '__main__':
    main()
    raw_input('Enter для закрытия...'.encode('cp866')) # Да, я использую windows :(

>>> new_list = [1, 2, 3, 4, 5, 6]
>>> new_list == sorted(new_list)
True
>>> new_list = [1, 2, 3, 4, 8, 6, 5]
>>> new_list == sorted(new_list)
False

class Meta:
    managed = False

def save(self, *args, **kwargs):
    raise ValueError('Read-only database')

def delete(self, *args, **kwargs):
    raise ValueError('Read-only database')

class CardserverQuerySet(models.QuerySet):
    def create(self, *args, **kwargs):
        raise ValueError('Read-only database')

    def update(self, *args, **kwargs):
        raise ValueError('Read-only database')

    def delete(self, *args, **kwargs):
        raise ValueError('Read-only database')

    def bulk_create(self, *args, **kwargs):
        raise ValueError('Read-only database')

    def get_or_create(self, *args, **kwargs):
        raise ValueError('Read-only database')

    def update_or_create(self, *args, **kwargs):
        raise ValueError('Read-only database')


class CardserverManager(models.Manager):
    def get_queryset(self):
        return CardserverQuerySet(self.model, using='remote')