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79 lines
2.3 KiB
Python
79 lines
2.3 KiB
Python
from __future__ import unicode_literals
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import os
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from django.core.exceptions import ValidationError
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from django.db import models
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from django.utils.encoding import python_2_unicode_compatible
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from django.utils._os import upath
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class Person(models.Model):
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name = models.CharField(max_length=100)
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class Triple(models.Model):
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left = models.IntegerField()
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middle = models.IntegerField()
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right = models.IntegerField()
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class Meta:
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unique_together = (('left', 'middle'), ('middle', 'right'))
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class FilePathModel(models.Model):
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path = models.FilePathField(path=os.path.dirname(upath(__file__)), match=".*\.py$", blank=True)
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@python_2_unicode_compatible
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class Publication(models.Model):
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title = models.CharField(max_length=30)
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date_published = models.DateField()
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def __str__(self):
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return self.title
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@python_2_unicode_compatible
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class Article(models.Model):
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headline = models.CharField(max_length=100)
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publications = models.ManyToManyField(Publication)
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def __str__(self):
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return self.headline
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class CustomFileField(models.FileField):
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def save_form_data(self, instance, data):
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been_here = getattr(self, 'been_saved', False)
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assert not been_here, "save_form_data called more than once"
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setattr(self, 'been_saved', True)
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class CustomFF(models.Model):
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f = CustomFileField(upload_to='unused', blank=True)
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class RealPerson(models.Model):
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name = models.CharField(max_length=100)
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def clean(self):
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if self.name.lower() == 'anonymous':
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raise ValidationError("Please specify a real name.")
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class Author(models.Model):
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publication = models.OneToOneField(Publication, null=True, blank=True)
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full_name = models.CharField(max_length=255)
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class Author1(models.Model):
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publication = models.OneToOneField(Publication, null=False)
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full_name = models.CharField(max_length=255)
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class Homepage(models.Model):
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url = models.URLField()
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class Document(models.Model):
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myfile = models.FileField(upload_to='unused', blank=True)
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class Edition(models.Model):
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author = models.ForeignKey(Person)
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publication = models.ForeignKey(Publication)
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edition = models.IntegerField()
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isbn = models.CharField(max_length=13, unique=True)
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class Meta:
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unique_together = (('author', 'publication'), ('publication', 'edition'),)
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