old_contents: from django.db import models
  
  # Create your models here.
  from django.conf import settings
  from django.utils.timezone import now
  from django.core.exceptions import ValidationError
  from django.utils.translation import gettext_lazy as _
  
  
  class OAuthUser(models.Model):
      author = models.ForeignKey(settings.AUTH_USER_MODEL, verbose_name='用户', blank=True, null=True,
                                 on_delete=models.CASCADE)
      openid = models.CharField(max_length=50)
      nikename = models.CharField(max_length=50, verbose_name='昵称')
      token = models.CharField(max_length=150, null=True, blank=True)
      picture = models.CharField(max_length=350, blank=True, null=True)
      type = models.CharField(blank=False, null=False, max_length=50)
      email = models.CharField(max_length=50, null=True, blank=True)
      matedata = models.CharField(max_length=2000, null=True, blank=True)
      created_time = models.DateTimeField('创建时间', default=now)
      last_mod_time = models.DateTimeField('修改时间', default=now)
  
      def __str__(self):
          return self.nikename
  
      class Meta:
          verbose_name = 'oauth用户'
          verbose_name_plural = verbose_name
  
  
  class OAuthConfig(models.Model):
      TYPE = (
          ('weibo', '微博'),
          ('google', '谷歌'),
          ('github', 'GitHub'),
          ('facebook', 'FaceBook'),
      )
      type = models.CharField('类型', max_length=10, choices=TYPE, default='a')
      appkey = models.CharField(max_length=200, verbose_name='AppKey')
      appsecret = models.CharField(max_length=200, verbose_name='AppSecret')
      callback_url = models.CharField(max_length=200, verbose_name='回调地址', blank=False, default='http://www.baidu.com')
      is_enable = models.BooleanField('是否显示', default=True, blank=False, null=False)
      created_time = models.DateTimeField('创建时间', default=now)
      last_mod_time = models.DateTimeField('修改时间', default=now)
  
      def clean(self):
          if OAuthConfig.objects.filter(type=self.type).exclude(id=self.id).count():
              raise ValidationError(_(self.type + '已经存在'))
  
      def __str__(self):
          return self.type
  
      class Meta:
          verbose_name = 'oauth配置'
          verbose_name_plural = verbose_name
  
new_contents: from django.db import models
  
  # Create your models here.
  from django.conf import settings
  from django.utils.timezone import now
  from django.core.exceptions import ValidationError
  from django.utils.translation import gettext_lazy as _
  
  
  class OAuthUser(models.Model):
      author = models.ForeignKey(settings.AUTH_USER_MODEL, verbose_name='用户', blank=True, null=True,
                                 on_delete=models.CASCADE)
      openid = models.CharField(max_length=50)
      nikename = models.CharField(max_length=50, verbose_name='昵称')
      token = models.CharField(max_length=150, null=True, blank=True)
      picture = models.CharField(max_length=350, blank=True, null=True)
      type = models.CharField(blank=False, null=False, max_length=50)
      email = models.CharField(max_length=50, null=True, blank=True)
      matedata = models.CharField(max_length=3000, null=True, blank=True)
      created_time = models.DateTimeField('创建时间', default=now)
      last_mod_time = models.DateTimeField('修改时间', default=now)
  
      def __str__(self):
          return self.nikename
  
      class Meta:
          verbose_name = 'oauth用户'
          verbose_name_plural = verbose_name
  
  
  class OAuthConfig(models.Model):
      TYPE = (
          ('weibo', '微博'),
          ('google', '谷歌'),
          ('github', 'GitHub'),
          ('facebook', 'FaceBook'),
      )
      type = models.CharField('类型', max_length=10, choices=TYPE, default='a')
      appkey = models.CharField(max_length=200, verbose_name='AppKey')
      appsecret = models.CharField(max_length=200, verbose_name='AppSecret')
      callback_url = models.CharField(max_length=200, verbose_name='回调地址', blank=False, default='http://www.baidu.com')
      is_enable = models.BooleanField('是否显示', default=True, blank=False, null=False)
      created_time = models.DateTimeField('创建时间', default=now)
      last_mod_time = models.DateTimeField('修改时间', default=now)
  
      def clean(self):
          if OAuthConfig.objects.filter(type=self.type).exclude(id=self.id).count():
              raise ValidationError(_(self.type + '已经存在'))
  
      def __str__(self):
          return self.type
  
      class Meta:
          verbose_name = 'oauth配置'
          verbose_name_plural = verbose_name
  
subject: update col length