old_contents: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.db import models, migrations
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
      ]
  
      operations = [
          migrations.CreateModel(
              name='Comment',
              fields=[
                  ('comment_id', models.AutoField(serialize=False, primary_key=True)),
                  ('user_id', models.IntegerField(default=0, db_index=True)),
                  ('comment_page', models.URLField(default=b'', db_index=True)),
                  ('comment_type', models.SmallIntegerField(default=1, help_text=b'1: normal comment, 2: reply')),
                  ('comment_date', models.DateTimeField(help_text=b'date published')),
                  ('comment_content', models.TextField(max_length=4096)),
                  ('comment_ups', models.IntegerField(default=0)),
                  ('comment_downs', models.IntegerField(default=0)),
                  ('comment_parent', models.BigIntegerField(default=0)),
              ],
              options={
              },
              bases=(models.Model,),
          ),
      ]
  
new_contents: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.db import models, migrations
  import django.utils.timezone
  import django.core.validators
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('auth', '0001_initial'),
      ]
  
      operations = [
          migrations.CreateModel(
              name='User',
              fields=[
                  ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
                  ('password', models.CharField(max_length=128, verbose_name='password')),
                  ('last_login', models.DateTimeField(default=django.utils.timezone.now, verbose_name='last login')),
                  ('is_superuser', models.BooleanField(default=False, help_text='Designates that this user has all permissions without explicitly assigning them.', verbose_name='superuser status')),
                  ('username', models.CharField(help_text='Required. 30 characters or fewer. Letters, digits and @/./+/-/_ only.', unique=True, max_length=30, verbose_name='username', validators=[django.core.validators.RegexValidator('^[\\w.@+-]+$', 'Enter a valid username.', 'invalid')])),
                  ('first_name', models.CharField(max_length=30, verbose_name='first name', blank=True)),
                  ('last_name', models.CharField(max_length=30, verbose_name='last name', blank=True)),
                  ('email', models.EmailField(max_length=75, verbose_name='email address', blank=True)),
                  ('is_staff', models.BooleanField(default=False, help_text='Designates whether the user can log into this admin site.', verbose_name='staff status')),
                  ('is_active', models.BooleanField(default=True, help_text='Designates whether this user should be treated as active. Unselect this instead of deleting accounts.', verbose_name='active')),
                  ('date_joined', models.DateTimeField(default=django.utils.timezone.now, verbose_name='date joined')),
                  ('avatar', models.URLField(default=b'')),
                  ('groups', models.ManyToManyField(related_query_name='user', related_name='user_set', to='auth.Group', blank=True, help_text='The groups this user belongs to. A user will get all permissions granted to each of his/her group.', verbose_name='groups')),
                  ('user_permissions', models.ManyToManyField(related_query_name='user', related_name='user_set', to='auth.Permission', blank=True, help_text='Specific permissions for this user.', verbose_name='user permissions')),
              ],
              options={
                  'abstract': False,
                  'verbose_name': 'user',
                  'verbose_name_plural': 'users',
              },
              bases=(models.Model,),
          ),
          migrations.CreateModel(
              name='Comment',
              fields=[
                  ('comment_id', models.AutoField(serialize=False, primary_key=True)),
                  ('user_id', models.IntegerField(default=0, db_index=True)),
                  ('comment_page', models.URLField(default=b'', db_index=True)),
                  ('comment_type', models.SmallIntegerField(default=1, help_text=b'1: normal comment, 2: reply')),
                  ('comment_date', models.DateTimeField(help_text=b'date published')),
                  ('comment_content', models.TextField(max_length=4096)),
                  ('comment_ups', models.IntegerField(default=0)),
                  ('comment_downs', models.IntegerField(default=0)),
                  ('comment_parent', models.BigIntegerField(default=0)),
              ],
              options={
              },
              bases=(models.Model,),
          ),
      ]
  
subject: change migrations