def max_version():
return base.Version(
{
base.Version.string:
' '.join([
versions.service_type_string(),
versions.max_version_string()
])
}, versions.min_version_string(), versions.max_version_string())
def _route(self, args, request=None):
v = base.Version(pecan.request.headers, versions.min_version_string(),
versions.max_version_string())
# The Vary header is used as a hint to caching proxies and user agents
# that the response is also dependent on the OpenStack-API-Version and
# not just the body and query parameters. See RFC 7231 for details.
pecan.response.headers['Vary'] = base.Version.string
# Always set the min and max headers
pecan.response.headers[base.Version.min_string] = (
versions.min_version_string())
pecan.response.headers[base.Version.max_string] = (
versions.max_version_string())
# assert that requested version is supported
self._check_version(v, pecan.response.headers)
pecan.response.headers[base.Version.string] = str(v)
pecan.request.version = v
return super(Controller, self)._route(args, request)
