重构

problem/migrations/0001_initial.py

@@ -1,55 +0,0 @@
-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
-from django.db import models, migrations
-from django.conf import settings
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
-    ]
-
-    operations = [
-        migrations.CreateModel(
-            name='Problem',
-            fields=[
-                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
-                ('title', models.CharField(max_length=50)),
-                ('description', models.TextField()),
-                ('sample', models.TextField(blank=True)),
-                ('test_case_id', models.CharField(max_length=40)),
-                ('hint', models.TextField(null=True, blank=True)),
-                ('create_time', models.DateTimeField(auto_now_add=True)),
-                ('last_update_time', models.DateTimeField(auto_now=True)),
-                ('source', models.CharField(max_length=30, null=True, blank=True)),
-                ('time_limit', models.IntegerField()),
-                ('memory_limit', models.IntegerField()),
-                ('visible', models.BooleanField(default=True)),
-                ('total_submit_number', models.IntegerField(default=0)),
-                ('total_accepted_number', models.IntegerField(default=0)),
-                ('difficulty', models.IntegerField()),
-                ('created_by', models.ForeignKey(to=settings.AUTH_USER_MODEL)),
-            ],
-            options={
-                'abstract': False,
-            },
-        ),
-        migrations.CreateModel(
-            name='ProblemTag',
-            fields=[
-                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
-                ('name', models.CharField(max_length=30)),
-                ('description', models.CharField(max_length=50)),
-            ],
-            options={
-                'db_table': 'problem_tag',
-            },
-        ),
-        migrations.AddField(
-            model_name='problem',
-            name='tags',
-            field=models.ManyToManyField(to='problem.ProblemTag', null=True),
-        ),
-    ]