old_contents: # -*- coding: utf-8 -*-
  
  from datetime import datetime
  from django.db import models
  
  
  class Course(models.Model):
      """Course database schema"""
      no = models.CharField(max_length=20, blank=True)
      code = models.CharField(max_length=20, blank=True)
      eng_title = models.CharField(max_length=200, blank=True)
      chi_title = models.CharField(max_length=200, blank=True)
      note = models.TextField(blank=True)
      objective = models.CharField(max_length=80, blank=True)
      time = models.CharField(max_length=20, blank=True)
      time_token = models.CharField(max_length=20, blank=True)
      teacher = models.CharField(max_length=40, blank=True)  # Only save Chinese
      room = models.CharField(max_length=20, blank=True)
      credit = models.IntegerField(blank=True, null=True)
      limit = models.IntegerField(blank=True, null=True)
      prerequisite = models.BooleanField(default=False, blank=True)
  
      clas = models.CharField(max_length=10, blank=True)
      dept = models.CharField(max_length=10, blank=True)
      serial = models.CharField(max_length=20, blank=True)
  
  
      ge = models.CharField(max_length=80, blank=True)
  
      hit = models.IntegerField(default=0)
  
      syllabus = models.TextField(blank=True)  # A html div
  
      def __str__(self):
          return self.no
  
  
  class Department(models.Model):
      dept_name = models.CharField(max_length=20, blank=True)
      required_course = models.ManyToManyField(Course, blank=True)
  
      def __unicode__(self):
          return self.dept_name
  
  
  class Announcement(models.Model):
      TAG_CHOICE = (
          ('Info', '公告'),
          ('Bug', '已知問題'),
          ('Fix', '問題修復'),
      )
  
      content = models.TextField(blank=True)
      time = models.DateTimeField(default=datetime.now)
      tag = models.CharField(max_length=10, choices=TAG_CHOICE, default='Info')
  
      def __unicode__(self):
          return '%s|%s' % (self.time, self.tag)
  
new_contents: # -*- coding: utf-8 -*-
  
  from datetime import datetime
  from django.db import models
  
  
  class Course(models.Model):
      """Course database schema"""
      no = models.CharField(max_length=20, blank=True)
      code = models.CharField(max_length=20, blank=True)
      eng_title = models.CharField(max_length=200, blank=True)
      chi_title = models.CharField(max_length=200, blank=True)
      note = models.TextField(blank=True)
      objective = models.CharField(max_length=80, blank=True)
      time = models.CharField(max_length=80, blank=True)
      time_token = models.CharField(max_length=80, blank=True)
      teacher = models.CharField(max_length=40, blank=True)  # Only save Chinese
      room = models.CharField(max_length=20, blank=True)
      credit = models.IntegerField(blank=True, null=True)
      limit = models.IntegerField(blank=True, null=True)
      prerequisite = models.BooleanField(default=False, blank=True)
  
      clas = models.CharField(max_length=10, blank=True)
      dept = models.CharField(max_length=10, blank=True)
      serial = models.CharField(max_length=20, blank=True)
  
  
      ge = models.CharField(max_length=80, blank=True)
  
      hit = models.IntegerField(default=0)
  
      syllabus = models.TextField(blank=True)  # A html div
  
      def __str__(self):
          return self.no
  
  
  class Department(models.Model):
      dept_name = models.CharField(max_length=20, blank=True)
      required_course = models.ManyToManyField(Course, blank=True)
  
      def __unicode__(self):
          return self.dept_name
  
  
  class Announcement(models.Model):
      TAG_CHOICE = (
          ('Info', '公告'),
          ('Bug', '已知問題'),
          ('Fix', '問題修復'),
      )
  
      content = models.TextField(blank=True)
      time = models.DateTimeField(default=datetime.now)
      tag = models.CharField(max_length=10, choices=TAG_CHOICE, default='Info')
  
      def __unicode__(self):
          return '%s|%s' % (self.time, self.tag)
  
subject: Extend time field to 80 characters