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from django.http import Http404
from django.shortcuts import get_object_or_404
from users.models import Domain, Identity
def by_handle_or_404(request, handle, local=True):
"""
Retrieves an Identity by its long or short handle.
Domain-sensitive, so it will understand short handles on alternate domains.
"""
if "@" not in handle:
if "HTTP_HOST" not in request.META:
raise Http404("No hostname available")
username = handle
domain_instance = Domain.get_local_domain(request.META["HTTP_HOST"])
if domain_instance is None:
raise Http404("No matching domains found")
domain = domain_instance.domain
else:
username, domain = handle.split("@", 1)
if local:
return get_object_or_404(
Identity.objects.filter(local=True),
username=username,
domain_id=domain,
)
else:
return get_object_or_404(
Identity,
username=username,
domain_id=domain,
)
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