docker.images/ansible.awx/awx-17.1.0/awx/api/versioning.py

53 lines
1.9 KiB
Python

# Copyright (c) 2017 Ansible by Red Hat
# All Rights Reserved.
from django.conf import settings
from django.urls import NoReverseMatch
from rest_framework.reverse import _reverse
from rest_framework.versioning import URLPathVersioning as BaseVersioning
def drf_reverse(viewname, args=None, kwargs=None, request=None, format=None, **extra):
"""
Copy and monkey-patch `rest_framework.reverse.reverse` to prevent adding unwarranted
query string parameters.
"""
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 url
def reverse(viewname, args=None, kwargs=None, request=None, format=None, **extra):
if request is None or getattr(request, 'version', None) is None:
# We need the "current request" to determine the correct version to
# prepend to reverse URLs. If there is no "current request", assume
# the latest API version.
if kwargs is None:
kwargs = {}
if 'version' not in kwargs:
kwargs['version'] = settings.REST_FRAMEWORK['DEFAULT_VERSION']
return drf_reverse(viewname, args, kwargs, request, format, **extra)
class URLPathVersioning(BaseVersioning):
def reverse(self, viewname, args=None, kwargs=None, request=None, format=None, **extra):
if request.version is not None:
kwargs = {} if (kwargs is None) else kwargs
kwargs[self.version_param] = request.version
request = None
return super(BaseVersioning, self).reverse(
viewname, args, kwargs, request, format, **extra
)