django-rest-framework/rest_framework/reverse.py

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"""
Provide reverse functions that return fully qualified URLs
"""
from __future__ import unicode_literals
from django.core.urlresolvers import reverse as django_reverse
from django.utils import six
from django.utils.functional import lazy
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def reverse(viewname, args=None, kwargs=None, request=None, format=None, **extra):
"""
Same as `django.core.urlresolvers.reverse`, but optionally takes a request
and returns a fully qualified URL, using the request to get the base URL.
"""
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if format is not None:
kwargs = kwargs or {}
kwargs['format'] = format
url = django_reverse(viewname, args=args, kwargs=kwargs, **extra)
if request:
return request.build_absolute_uri(url)
return url
reverse_lazy = lazy(reverse, six.text_type)