django url pattern to match uuid

Question

I am using Django 1.11. I am trying to get url pattern to match uuid but it does not work. I have tried more than 3 times but I am still getting error :

Using the URLconf defined in eMarket.urls, Django tried these URL patterns, in this order:
http://127.0.0.1:8000/view/49c26740-2211-4cc9-971b-5ff62ddc2e0e/

urlpatterns = [
    url(r'^view/(?P<slug>\b[0-9A-Fa-f]{8}\b(-\b[0-9A-Fa-f]{4}\b){3}-\b[0-9A-Fa-f]{12}\b)$', viewProduct, name="view"),
    url('admin/', admin.site.urls),
]

i don't exactly i just copy it here, because everything is working with int id but when i change to uuid it is require the url pattern which can meet so i never done before that why i am asking for help — Reagan SCOFIELD
– Reagan SCOFIELD, Commented Jun 23, 2018 at 16:48
try adding a trailing slash to the end of the pattern: ...)/?$. Also, word boundaries (\b) are safe to remove. — Marat
– Marat, Commented Jun 23, 2018 at 17:00

MrName · Accepted Answer · 2018-06-23 20:14:48Z

2

Could you use the django native UUID path converter instead of trying to manually create the regex?

answered Jun 23, 2018 at 20:14

MrName

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hootnot · Accepted Answer · 2018-06-23 17:09:20Z

0

import re

url = "http://127.0.0.1:8000/view/49c26740-2211-4cc9-971b-5ff62ddc2e0e/"

m = re.search("(?P<slug>[0-9A-Fa-f]{8}(-[0-9A-Fa-f]{4}){3}-[0-9A-Fa-f]{12})", url)
print(m.group(0))

gives:
49c26740-2211-4cc9-971b-5ff62ddc2e0e

answered Jun 23, 2018 at 17:09

hootnot

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5 Comments

Reagan SCOFIELD Over a year ago

path(r'^view/(?P<slug>[0-9A-Fa-f]{8}(-[0-9A-Fa-f]{4}){3}-[0-9A-Fa-f]{12})', viewProduct, name="view"),

hootnot Over a year ago

can you define not working ? what is the error you get ?

Reagan SCOFIELD Over a year ago

this the error: Using the URLconf defined in eMarket.urls, Django tried these URL patterns, in this order:

Reagan SCOFIELD Over a year ago

urlpatterns = [ url(r'^$', homePage), url(r'^about/', aboutPage), url(r'^contact/', contactPage), url(r'^create_products/', addProducts), path(r'^view/(?P<slug>[0-9A-Fa-f]{8}(-[0-9A-Fa-f]{4}){3}-[0-9A-Fa-f]{12})', viewProduct, name="view"), url(r'^search/', searchProduct, name="search"), #name="search" url(r'^login/', loginPage), url(r'^register/', signupPage), url('admin/', admin.site.urls), ]

hootnot Over a year ago

pls. go through the Django docs and try to debug by excluding all other possibilities for instance.

wiesion · Accepted Answer · 2018-06-23 20:40:36Z

0

Only thing so far i can imagine that could cause issues with the URL resolver: you are using a capturing group within your named slug group. This way Django will receive the full match plus 2 groups, which could avoid a proper URL resolution. You can check this quickly on regex101

While using a non-capturing group (?:) for the repeating pattern, it will return only the named capturing group - again on regex101

So, can you try (?P<slug>[0-9A-Fa-f]{8}(?:-[0-9A-Fa-f]{4}){3}-[0-9A-Fa-f]{12}) - because other than that, i see really no issues in your urlpattern.

answered Jun 23, 2018 at 20:40

wiesion

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