def _get_client(service_key):
class_mapping = constructors.get_constructor_mapping()
if service_key not in class_mapping:
raise exceptions.OpenStackConfigException(
"Service {service_key} is unkown. Please pass in a client"
" constructor or submit a patch to os-client-config".format(
service_key=service_key))
mod_name, ctr_name = class_mapping[service_key].rsplit('.', 1)
lib_name = mod_name.split('.')[0]
try:
mod = importlib.import_module(mod_name)
except ImportError:
raise exceptions.OpenStackConfigException(
"Client for '{service_key}' was requested, but"
" {mod_name} was unable to be imported. Either import"
" the module yourself and pass the constructor in as an argument,"
" or perhaps you do not have python-{lib_name} installed.".format(
service_key=service_key, mod_name=mod_name, lib_name=lib_name))
try:
ctr = getattr(mod, ctr_name)
except AttributeError:
raise exceptions.OpenStackConfigException(
"Client for '{service_key}' was requested, but although"
" {mod_name} imported fine, the constructor at {fullname}"
" as not found. Please check your installation, we have no"
" clue what is wrong with your computer.".format(
service_key=service_key,
mod_name=mod_name,
fullname=class_mapping[service_key]))
return ctr
def _get_client(service_key):
class_mapping = constructors.get_constructor_mapping()
if service_key not in class_mapping:
raise exceptions.OpenStackConfigException(
"Service {service_key} is unkown. Please pass in a client"
" constructor or submit a patch to os-client-config".format(
service_key=service_key))
mod_name, ctr_name = class_mapping[service_key].rsplit('.', 1)
lib_name = mod_name.split('.')[0]
try:
mod = importlib.import_module(mod_name)
except ImportError:
raise exceptions.OpenStackConfigException(
"Client for '{service_key}' was requested, but"
" {mod_name} was unable to be imported. Either import"
" the module yourself and pass the constructor in as an argument,"
" or perhaps you do not have python-{lib_name} installed.".format(
service_key=service_key,
mod_name=mod_name,
lib_name=lib_name))
try:
ctr = getattr(mod, ctr_name)
except AttributeError:
raise exceptions.OpenStackConfigException(
"Client for '{service_key}' was requested, but although"
" {mod_name} imported fine, the constructor at {fullname}"
" as not found. Please check your installation, we have no"
" clue what is wrong with your computer.".format(
service_key=service_key,
mod_name=mod_name,
fullname=class_mapping[service_key]))
return ctr
def _create_legacy_client(
self, client, service, deprecated=True,
module_name=None, **kwargs):
if client not in self._legacy_clients:
if deprecated:
self._deprecated_import_check(client)
if module_name:
constructors.get_constructor_mapping()[service] = module_name
self._legacy_clients[client] = self._get_client(service, **kwargs)
return self._legacy_clients[client]
def _create_legacy_client(
self, client, service, deprecated=True,
module_name=None, **kwargs):
if client not in self._legacy_clients:
if deprecated:
self._deprecated_import_check(client)
if module_name:
constructors.get_constructor_mapping()[service] = module_name
self._legacy_clients[client] = self._get_client(service, **kwargs)
return self._legacy_clients[client]
