datatracker/ietf/dbtemplate/models.py

48 lines
1.6 KiB
Python

# -*- coding: utf-8 -*-
# Copyright The IETF Trust 2012-2019, All Rights Reserved
from __future__ import absolute_import, print_function, unicode_literals
from django.db import models
from django.core.exceptions import ValidationError
from django.template import Context
from django.utils.encoding import python_2_unicode_compatible
from ietf.group.models import Group
from ietf.name.models import DBTemplateTypeName
from ietf.utils.models import ForeignKey
TEMPLATE_TYPES = (
('plain', 'Plain'),
('rst', 'reStructuredText'),
('django', 'Django'),
)
@python_2_unicode_compatible
class DBTemplate(models.Model):
path = models.CharField( max_length=255, unique=True, blank=False, null=False, )
title = models.CharField( max_length=255, blank=False, null=False, )
variables = models.TextField( blank=True, null=True, )
type = ForeignKey( DBTemplateTypeName, )
content = models.TextField( blank=False, null=False, )
group = ForeignKey( Group, blank=True, null=True, )
def __str__(self):
return self.title
def clean(self):
from ietf.dbtemplate.template import PlainTemplate, RSTTemplate, DjangoTemplate
try:
if self.type.slug == 'rst':
RSTTemplate(self.content).render(Context({}))
elif self.type.slug == 'django':
DjangoTemplate(self.content).render(Context({}))
elif self.type.slug == 'plain':
PlainTemplate(self.content).render(Context({}))
else:
raise ValidationError("Unexpected DBTemplate.type.slug: %s" % self.type.slug)
except Exception as e:
raise ValidationError(e)