Lookup Field - Values with dots in them.

[David Markey]

Hi there,

I have a lookup field that has values that have dots in them. It seems like the auto url generation prohibits dots in the lookup values(and therefore reverse breaks)

Any ideas on how to work around it?

David

[Tom Christie]

I think you're going to have to break this down with an example.

[David Markey]

Ok, so I've registered a ReadOnlyModelViewSet with a PK called "version" that's a CharField, and on this particular object this is set to "7.6"

So the resultant URL for the detail view is ProductVersion/(?P<version>[^/.]+)/$ [name='productversion-detail']

So, when I go to ProductVersion/7.6/ it gives the standard Django 404, however if I go to ProductVersion/7_6/ it returns a 

{

    "detail": "Not found"

}

Which is expected, which tells me the dot in the URL is the problem,

David

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[Tom Christie]

Yup, the '.' character can conflict with the suffix [.json] type lookups, so are excluded by default.

You can set `lookup_value_regex` directly to work around this...

http://www.django-rest-framework.org/api-guide/routers/#simplerouter

[David Markey]

Thank a lot. Will try it tomorrow.

[Loke Berne]

I am having exactly the same problem in my case I have the following setting 

   lookup_field = 'hostname'

   lookup_value_regex = '[0-9a-z\.]+'

But I am still getting the error and the following regexp as accepted 

^device\.(?P<format>[a-z0-9]+)/?$ [name='device-list']

^device/(?P<hostname>[0-9a-z.]+)/$ [name='device-detail']

^device/(?P<hostname>[0-9a-z.]+)\.(?P<format>[a-z0-9]+)/?$ [name='device-detail']

Note that the bold part still does not use the regexp specified