def _register_mpl_classes(self, data, name=None):
type_obj = self._classes.get(name)
if type_obj is not None:
return type_obj
if callable(data):
data = data()
data = helpers.list_value(data)
unnamed_class = None
last_ns = {}
for cls_data in data:
last_ns = cls_data.setdefault('Namespaces', last_ns.copy())
if len(cls_data) == 1:
continue
cls_name = cls_data.get('Name')
if not cls_name:
if unnamed_class:
raise exceptions.AmbiguousClassName(name)
unnamed_class = cls_data
else:
ns_resolver = namespace_resolver.NamespaceResolver(last_ns)
cls_name = ns_resolver.resolve_name(cls_name)
if cls_name == name:
type_obj = murano_type.create(cls_data, self, cls_name,
ns_resolver)
self._classes[name] = type_obj
else:
self._load_queue.setdefault(cls_name, cls_data)
if type_obj is None and unnamed_class:
unnamed_class['Name'] = name
return self._register_mpl_classes(unnamed_class, name)
return type_obj
def create(cls, data, package, name=None):
namespaces = data.get('Namespaces') or {}
ns_resolver = namespace_resolver.NamespaceResolver(namespaces)
if not name:
name = ns_resolver.resolve_name(data['Name'])
parent_class_names = data.get('Extends')
parent_classes = []
if parent_class_names:
if not utils.is_sequence(parent_class_names):
parent_class_names = [parent_class_names]
for parent_name in parent_class_names:
full_name = ns_resolver.resolve_name(parent_name)
parent_classes.append(package.find_class(full_name))
type_obj = cls(ns_resolver, name, package, parent_classes)
properties = data.get('Properties') or {}
for property_name, property_spec in properties.iteritems():
spec = typespec.PropertySpec(property_spec, type_obj)
type_obj.add_property(property_name, spec)
methods = data.get('Methods') or data.get('Workflow') or {}
method_mappings = {'initialize': '.init', 'destroy': '.destroy'}
for method_name, payload in methods.iteritems():
type_obj.add_method(method_mappings.get(method_name, method_name),
payload)
return type_obj
def test_resolves_current_ns(self):
resolver = ns_resolver.NamespaceResolver({'=': 'com.example.murano'})
short_name, full_name = 'Resource', 'com.example.murano.Resource'
resolved_name = resolver.resolve_name(short_name)
self.assertEqual(full_name, resolved_name)
def test_resolves_specified_ns_prefix(self):
ns = {'sys': 'com.example.murano.system'}
resolver = ns_resolver.NamespaceResolver(ns)
short_name, full_name = 'sys:File', 'com.example.murano.system.File'
resolved_name = resolver.resolve_name(short_name)
self.assertEqual(full_name, resolved_name)
def test_cuts_empty_prefix(self):
resolver = ns_resolver.NamespaceResolver({'=': 'com.example.murano'})
# name without prefix delimiter
name = 'some.arbitrary.name'
resolved_name = resolver.resolve_name(':' + name)
self.assertEqual(name, resolved_name)
def _load_class(self, class_def_file):
with open(class_def_file) as stream:
data = yaml.load(stream, yaql_yaml_loader.YaqlYamlLoader)
if 'Name' not in data:
return
for name, method in (data.get('Methods') or data.get('Workflow')
or {}).iteritems():
if name.startswith('test'):
method['Usage'] = 'Action'
ns = namespace_resolver.NamespaceResolver(data.get('Namespaces', {}))
class_name = ns.resolve_name(data['Name'])
self._classes[class_name] = data
def _load_classes(self, class_def_file):
with open(class_def_file, 'rb') as stream:
data_lst = self._yaml_loader(stream.read(), class_def_file)
last_ns = {}
for data in data_lst:
last_ns = data.get('Namespaces', last_ns.copy())
if 'Name' not in data:
continue
for name, method in six.iteritems(
data.get('Methods') or data.get('Workflow') or {}):
if name.startswith('test'):
method['Usage'] = 'Action'
ns = namespace_resolver.NamespaceResolver(last_ns)
class_name = ns.resolve_name(data['Name'])
self._classes[class_name] = data_lst
def get_class(self, name, create_missing=False):
if name in self._loaded_types:
return self._loaded_types[name]
try:
data = self.load_definition(name)
package = self._get_package_for_class(name)
except (exceptions.NoPackageForClassFound, exceptions.NoClassFound):
if create_missing:
data = {'Name': name}
package = None
else:
raise
namespaces = data.get('Namespaces', {})
ns_resolver = namespace_resolver.NamespaceResolver(namespaces)
parent_class_names = data.get('Extends')
parent_classes = []
if parent_class_names:
if not isinstance(parent_class_names, types.ListType):
parent_class_names = [parent_class_names]
for parent_name in parent_class_names:
full_name = ns_resolver.resolve_name(parent_name)
parent_classes.append(self.get_class(full_name))
type_obj = murano_class.MuranoClass(self, ns_resolver, name,
package, parent_classes)
properties = data.get('Properties', {})
for property_name, property_spec in properties.iteritems():
spec = typespec.PropertySpec(property_spec, type_obj)
type_obj.add_property(property_name, spec)
methods = data.get('Methods') or data.get('Workflow') or {}
for method_name, payload in methods.iteritems():
type_obj.add_method(method_name, payload)
self._loaded_types[name] = type_obj
return type_obj
def _create_package_class(self):
ns_resolver = namespace_resolver.NamespaceResolver(None)
return murano_type.MuranoClass(ns_resolver, self.name, self,
utils.NO_VALUE)
def test_resolves_w_empty_namespaces(self):
resolver = ns_resolver.NamespaceResolver({})
resolved_name = resolver.resolve_name('Resource')
self.assertEqual('Resource', resolved_name)
def test_resolves_explicit_base_w_empty_namespaces(self):
resolver = ns_resolver.NamespaceResolver({})
resolved_name = resolver.resolve_name('File', 'com.base')
self.assertEqual('com.base.File', resolved_name)
def test_resolves_explicit_base(self):
resolver = ns_resolver.NamespaceResolver({'=': 'com.example.murano'})
resolved_name = resolver.resolve_name('Resource', relative='com.base')
self.assertEqual('com.base.Resource', resolved_name)
def test_fails_w_excessive_prefix(self):
ns = {'sys': 'com.example.murano.system'}
resolver = ns_resolver.NamespaceResolver(ns)
invalid_name = 'sys:excessive_ns:muranoResource'
self.assertRaises(NameError, resolver.resolve_name, invalid_name)
def test_fails_w_prefix_wo_name(self):
resolver = ns_resolver.NamespaceResolver({'=': 'com.example.murano'})
name = 'sys:'
self.assertRaises(NameError, resolver.resolve_name, name)
def test_fails_w_unknown_prefix(self):
resolver = ns_resolver.NamespaceResolver({'=': 'com.example.murano'})
name = 'unknown_prefix:example.murano'
self.assertRaises(KeyError, resolver.resolve_name, name)
def test_fails_w_empty_name(self):
resolver = ns_resolver.NamespaceResolver({'=': 'com.example.murano'})
self.assertRaises(ValueError, resolver.resolve_name, None)
