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In the following, if the url is set as ,what should be the pattern for uuid?
urls.py
url(r'^getbyempid/(?P<emp_id>[0-9]+)/(?P<factory_id>[0-9]+)$',views.empdetails) Doesnt work,
http://10.0.3.79:8000/app1/getbyempid/1/b9caf199-26c2-4027-b39f-5d0693421506 but this works
http://10.0.3.79:8000/app1/getbyempid/1/2 
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Django runs through each URL pattern, in order, and stops at the first one that matches the requested URL, matching against path_info . Once one of the URL patterns matches, Django imports and calls the given view, which is a Python function (or a class-based view).
re_path is a callable within the django. urls module of the Django project.
Set up app folder's urls.py and html files In the same directory, you should have a file named views.py. We will create a function called index which is what makes the http request for our website to be loaded. Now, we've set it up such that http://127.0.0.1:8000/homepage will render the HTML template index.
Since Django 2.0 you don't even need to worry about regex for UUID and int with new Django feature: Path Converters.
Make code elegant again:
from django.urls import path ... urlpatterns = [ ... path('getbyempid/<int:emp_id>/<uuid:factory_id>', views.empdetails) ] As well as the digits 0-9, the uuid can also include digits a-f and hyphens, so you could should change the pattern to
(?P<factory_id>[0-9a-f-]+) You could have a more strict regex, but it's not usually worth it. In your view you can do something like:
try: factory = get_object_or_404(Factory, id=factory_id) except ValueError: raise Http404 which will handle invalid uuids or uuids that do not exist in the database.
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