在Django中如何设置基于域名或TLD的urlpattern？ [英] How do I set urlpatterns based on domain name or TLD, in Django?

问题描述

如何在Django中设置基于域名或TLD的urlpattern？

对于某些链接，Amazon会根据其网站tld以本地语言显示url。 / p>

http：/ /www.amazon.de/bücher-buch-literatur/（de：books =>bücher）

http://www.amazon.fr/Nouveautés-paraître-Livres/（fr： books => Livres）

http://www.amazon.co.jp/和书 - ユーズドブッ - 英语学习/ （jp：books =>和书）

（链接不完整，只显示为样本。）

是否可以获得主机urls.py中的名称？ （请求对象在urls.py中不可用）或者可能在中间件的process_request中，并在urls.py（如何...）中使用它。

任何备用建议如何这样吗

 ＃----------伪代码---------- 
 
 website_tld = get_host（request）.split（。）[ -  1] 
 
＃.fr法语：图书：Livres 
＃.de德语：书：Bücher
 
如果website_tld ==fr：
 lang_word =Livres
 elif website_tld ==de：
 lang_word =Bücher
 else ：
 lang_word =books
 
 urlpatterns = patterns（''，
 url（r'^％s / $'％lang_word，books_view，name =books） ，
）
  

需要根据tld和更高版本的模板构建url模式，< a href ={％url books％}> {％transbooks％}< / a> 将HTML呈现为< a href =Bücher>Bücher< / a> 或< a href =Livres> Livres< / a>

解决方案

您必须在网络服务器级别（例如在Apache中使用mod_rewrite）或中间件mple 此片段）

另请参阅这个SO问题

---

更新：在您的评论之后，我再考虑一下。我喜欢Carl Meyer的答案，但后来意识到它不会正确地处理{％url％}。所以这里是我会做的：

多个网站：您需要使用 Django网站框架。这意味着使用Django管理员为每种语言制作网站实例。

多个设置：每个语言网站也将有自己的settings.py。每个站点之间的唯一区别将是 SITE_ID 和 ROOT_URLCONF 设置，以便遵循 DRY 原则，您应该将常用设置保存在不同的文件中，并将其导入主文件，如下所示：

 ＃settings_fr.py 
 SITE_ID = 1 
 ROOT_URLCONF ='app.urls_fr'
 from settings_common import * 
 
＃settings_de.py 
 SITE_ID = 2 
 ROOT_URLCONF ='app.urls_de'
 from settings_common import * 
  / pre> 
 
 
 ...等等。
 
 
 
 多个URL conf：如上所述，每个站点的url conf：
 ＃urls_fr.py 
 urlpatterns = patterns（''， 
 url（r'^ Livres / $'，books_view，name =books），
）
 
＃urls_de.py 
 urlpatterns = ，
 url（r'^Bücher/ $'，books_view，name =books），
）
  
 ...等等。
 
 
 
这样，url名称（在本例中为books）就是相同的所有语言，因此 {％url books％} 将正确反转，域名将是Site对象的domain_name字段，具有 SITE_ID 。
 
 
 
 多个Web服务器实例：为了使每个SITE正常工作，每个站点都需要自己的服务器实例。对于apache + mod_wsgi，这意味着每个SITE的不同wsgi应用程序如下所示：
 ＃site_fr.wsgi 
 import os ，sys，django.core.handlers.wsgi 
 os.environ ['DJANGO_SETTINGS_MODULE'] ='app.settings_fr'
 application = django.core.handlers.wsgi.WSGIHandler（）
  
 ...等等，以及每个站点匹配的apache虚拟主机：
 < VirtualHost *：80> 
 ServerName mybooks.fr 
 WSGIScriptAlias / /path/to/site_fr.wsgi 
 ... 
< / VirtualHost> 
  
希望这是清楚的：）
 
How do I set urlpatterns based on domain name or TLD, in Django?

For some links, Amazon shows url in native language based on its website tld.

http://www.amazon.de/bücher-buch-literatur/    ( de : books => bücher )

http://www.amazon.fr/Nouveautés-paraître-Livres/   ( fr : books => Livres )

http://www.amazon.co.jp/和書-ユーズドブッ-英語学習/   ( jp : books => 和書 )

( the links are incomplete and just show as samples. )

Is it possible to get host name in urls.py? (request object is not available in urls.py) or maybe in process_request of middleware and use it in urls.py(how???)

Any alternate suggestions how to achive this? 
#---------- pseudocode ---------- 

website_tld = get_host(request).split(".")[-1]

#.fr French  : Books : Livres
#.de German : Books : Bücher

if website_tld == "fr":
    lang_word = "Livres"
elif website_tld == "de":
    lang_word = "Bücher"
else:
    lang_word = "books"

urlpatterns = patterns('',
                       url(r'^%s/$' % lang_word,books_view, name="books"),
                       )
The url pattern needs to be built based on tld and later in the template, <a href="{% url books %}" >{% trans "books" %}</a> to render html as <a href="Bücher">Bücher</a> or <a href="Livres">Livres</a>
解决方案
You have to do this at the webserver level (for example using mod_rewrite in Apache) or with middleware (for example this snippet)


Also see this SO question



Update: after your comment I thought about it some more.  I liked Carl Meyer's answer, but then realized it wouldn't handle {% url %} reversing properly.  So here's what I would do:

Multiple sites: You need to use the Django sites framework.  Which means making site instances for each language using the Django admin.

Multiple settings: Each language site will also have its own settings.py.  The only differences between each site will be the SITE_ID and ROOT_URLCONF settings so, to follow DRY principle, you should keep the common settings in a different file and import them into the master file like this:
# settings_fr.py
SITE_ID = 1
ROOT_URLCONF = 'app.urls_fr'
from settings_common import *

# settings_de.py
SITE_ID = 2
ROOT_URLCONF = 'app.urls_de'
from settings_common import *
... and so on.

Multiple URL conf: As implied above, a url conf for each site:
# urls_fr.py
urlpatterns = patterns('',
    url(r'^Livres/$', books_view, name="books"),
)

# urls_de.py
urlpatterns = patterns('',
    url(r'^Bücher/$', books_view, name="books"),
)
... and so on.

This way the url name (in this example "books") is the same for all languages, and therefore {% url books %} will reverse properly and the domain name will be the domain_name field of the Site object with SITE_ID.

Multiple web server instances: In order for each SITE to work properly they each need their own server instances.  For apache + mod_wsgi this means a different wsgi application for each SITE like this:
# site_fr.wsgi
import os, sys, django.core.handlers.wsgi
os.environ['DJANGO_SETTINGS_MODULE'] = 'app.settings_fr'
application = django.core.handlers.wsgi.WSGIHandler()
... and so on along with matching apache virtual host for each site:
<VirtualHost *:80>
    ServerName mybooks.fr
    WSGIScriptAlias / /path/to/site_fr.wsgi
    ...
</VirtualHost>
Hopefully this is clear :)

                        
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