我正在尝试在Django中创建一个独特的插件,这样我就可以通过这样的url访问帖子:http://www.example.com/buy-a-new-bike_Boston-MA-02111_2
相关模型:
class ZipCode(models.Model):
zipcode = models.CharField(max_length=5)
city = models.CharField(max_length=64)
statecode = models.CharField(max_length=32)
class Need(models.Model):
title = models.CharField(max_length=50)
us_zip = models.CharField(max_length=5)
slug = ?????
def get_city():
zip = ZipCode.objects.get(zipcode=self.us_zip)
city = "%s, %s %s" % (zip.city, zip.statecode, zip.zipcode)
return city
示例ZipCode记录:
邮政编码=“02111”城市邮政编码= "Boston"
示例需要记录:
关于如何创建这个独特的弹头,有什么建议吗?它的组成是:
注意:上面我想要的插件假设"buy-a-new-bike_Boston-MA-02111“已经存在,这就是附加了"_2”的插件,使其具有唯一性。
我尝试过django-extensions,但它似乎只能使用一个字段或字段元组来构造唯一的slug。我需要传入get_city()函数以及标题和城市之间的"_“连接器。有人解决了这个问题并愿意分享吗?
谢谢!
更新
我已经为它的UUIDField使用了django-extensions,所以如果它也可以用于它的AutoSlugField就更好了!
发布于 2010-09-29 03:57:37
我使用这个snippet生成唯一的插件,典型的保存方法如下所示
slug将是带有blank=True的Django SlugField,但在保存方法中强制使用slug。
需要模型的典型保存方法可能如下所示
def save(self, **kwargs):
slug_str = "%s %s" % (self.title, self.us_zip)
unique_slugify(self, slug_str)
super(Need, self).save(**kwargs)
这将生成诸如buy-a-new-bike_Boston MA-02111、buy-a-new-bike_MA-02111-1等插件。输出可能略有不同,但您始终可以查看代码片段并根据需要进行定制。
发布于 2011-06-30 21:34:41
我的小代码:
def save(self, *args, **kwargs):
strtime = "".join(str(time()).split("."))
string = "%s-%s" % (strtime[7:], self.title)
self.slug = slugify(string)
super(Need, self).save()
发布于 2011-06-01 02:50:22
如果你正在考虑使用一个应用程序来为你做这件事,这里就有一个。
https://github.com/un33k/django-uuslug
UUSlug = (``U``nique + ``U``code Slug)
Unicode Test Example
=====================
from uuslug import uuslug as slugify
s = "This is a test ---"
r = slugify(s)
self.assertEquals(r, "this-is-a-test")
s = 'C\'est déjà l\'été.'
r = slugify(s)
self.assertEquals(r, "c-est-deja-l-ete")
s = 'Nín hǎo. Wǒ shì zhōng guó rén'
r = slugify(s)
self.assertEquals(r, "nin-hao-wo-shi-zhong-guo-ren")
s = '影師嗎'
r = slugify(s)
self.assertEquals(r, "ying-shi-ma")
Uniqueness Test Example
=======================
Override your objects save method with something like this (models.py)
from django.db import models
from uuslug import uuslug as slugify
class CoolSlug(models.Model):
name = models.CharField(max_length=100)
slug = models.CharField(max_length=200)
def __unicode__(self):
return self.name
def save(self, *args, **kwargs):
self.slug = slugify(self.name, instance=self)
super(CoolSlug, self).save(*args, **kwargs)
Test:
=====
name = "john"
c = CoolSlug.objects.create(name=name)
c.save()
self.assertEquals(c.slug, name) # slug = "john"
c1 = CoolSlug.objects.create(name=name)
c1.save()
self.assertEquals(c1.slug, name+"-1") # slug = "john-1"
https://stackoverflow.com/questions/3816307
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