mirror of
https://github.com/encode/django-rest-framework.git
synced 2024-11-22 17:47:04 +03:00
8d7ce3726d
* Reenable flake8 on compat, cleanup style/imports
* Cleanup compat urls imports
* Refactor compat url pattern/resolver imports
* Add comment re dropping pytz compat
... when dropping Django 1.10
* Strip whitespace
Grrr. GitHub web editor 😡
70 lines
2.2 KiB
Python
70 lines
2.2 KiB
Python
"""
|
|
Provide urlresolver functions that return fully qualified URLs or view names
|
|
"""
|
|
from __future__ import unicode_literals
|
|
|
|
from django.urls import reverse as django_reverse
|
|
from django.urls import NoReverseMatch
|
|
from django.utils import six
|
|
from django.utils.functional import lazy
|
|
|
|
from rest_framework.settings import api_settings
|
|
from rest_framework.utils.urls import replace_query_param
|
|
|
|
|
|
def preserve_builtin_query_params(url, request=None):
|
|
"""
|
|
Given an incoming request, and an outgoing URL representation,
|
|
append the value of any built-in query parameters.
|
|
"""
|
|
if request is None:
|
|
return url
|
|
|
|
overrides = [
|
|
api_settings.URL_FORMAT_OVERRIDE,
|
|
]
|
|
|
|
for param in overrides:
|
|
if param and (param in request.GET):
|
|
value = request.GET[param]
|
|
url = replace_query_param(url, param, value)
|
|
|
|
return url
|
|
|
|
|
|
def reverse(viewname, args=None, kwargs=None, request=None, format=None, **extra):
|
|
"""
|
|
If versioning is being used then we pass any `reverse` calls through
|
|
to the versioning scheme instance, so that the resulting URL
|
|
can be modified if needed.
|
|
"""
|
|
scheme = getattr(request, 'versioning_scheme', None)
|
|
if scheme is not None:
|
|
try:
|
|
url = scheme.reverse(viewname, args, kwargs, request, format, **extra)
|
|
except NoReverseMatch:
|
|
# In case the versioning scheme reversal fails, fallback to the
|
|
# default implementation
|
|
url = _reverse(viewname, args, kwargs, request, format, **extra)
|
|
else:
|
|
url = _reverse(viewname, args, kwargs, request, format, **extra)
|
|
|
|
return preserve_builtin_query_params(url, request)
|
|
|
|
|
|
def _reverse(viewname, args=None, kwargs=None, request=None, format=None, **extra):
|
|
"""
|
|
Same as `django.urls.reverse`, but optionally takes a request
|
|
and returns a fully qualified URL, using the request to get the base URL.
|
|
"""
|
|
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)
|