Question

我正在看《 Django 2示例》一书。但是，被困在这里。我尝试通过互联网进行搜索，但没有得到任何具体信息。

models.py >>

from django.db import models
from django.utils import timezone
from django.contrib.auth.models import User
from django.urls import reverse

# Create your models here.
class PublishedManager(models.Manager):
    def get_queryset(self):
        return super(PublishedManager, self).get_queryset()\
        .filter(status='published')


class post(models.Model):
    STATUS_CHOICES = (
        ('draft', 'Draft'),
        ('published', 'Published'),
    )
    title = models.CharField(max_length=126)
    slug = models.SlugField(max_length=126, unique_for_date='publish')
    author = models.ForeignKey(User, related_name='blog_post', on_delete=models.CASCADE)
    body = models.TextField()
    publish = models.DateTimeField(default=timezone.now)
    created = models.DateTimeField(auto_now_add=True)
    updated = models.DateTimeField(auto_now=True) 
    status = models.CharField(max_length=10, choices=STATUS_CHOICES,default='draft')
    objects = models.Manager() #default manager
    published = PublishedManager() #custom manager

    class Meta:
        ordering = ('-publish',)

    def __str__(self):
        return self.title



    def get_absolute_url(self):
        return reverse('blogposts:post_detail',
                        args=[
                            self.publish.year,
                            self.publish.strftime('%m'),
                            self.publish.strftime('%d'),
                            self.slug ])

This教程正在做同样的事情。但是我从pylint收到一个错误，E1101: Instance of 'DateTimeField' has no 'strftime' member 我想念什么？

“ DateTimeField”的实例没有“ strftime”成员

0 个答案: