def get_sub_resource_path_by(resource, subresource_name):
"""Find subresource path.
:param resource: Resource instance on which the name
gets queried upon.
:param subresource_name: name of the resource attribute.
:returns: Resource path.
"""
if not subresource_name:
raise exceptions.InvalidInputError(error='subresource cannot be empty')
if not isinstance(subresource_name, list):
subresource_name = [subresource_name]
body = resource.json
for path_item in subresource_name:
body = body.get(path_item, {})
if not body:
raise exceptions.MissingAttributeError(
attribute='/'.join(subresource_name), resource=resource.path)
try:
return get_member_identity(body)
except (TypeError, KeyError):
attribute = '/'.join(subresource_name)
raise exceptions.MissingAttributeError(attribute=attribute,
resource=resource.path)
def find_by_field_value(self, name, value):
for element in self:
assigned_value = getattr(element, name, None)
if assigned_value == value:
return element
raise exceptions.InvalidInputError(
error='Component with field %s and value %s not '
'found' % (name, value))
def __init__(self, field, mapping, required=False, default=None):
if not isinstance(mapping, dict):
raise exceptions.InvalidInputError(
error="%s initializer must be a "
"dict" % self.__class__.__name__)
super(EnumerationField, self).__init__(field,
required=required,
default=default,
converter=mapping.get)
def __init__(self, path, required=False, default=None, converter=None):
if not isinstance(path, list):
path = [path]
elif not path:
raise exceptions.InvalidInputError(error='Path cannot be empty')
self._path = path
self._required = required
self._default = default
self._converter = converter
def find_multiple_by_field_value(self, name, value):
elements = []
for element in self:
assigned_value = getattr(element, name, None)
if assigned_value == value:
elements.append(element)
if len(elements) > 0:
return elements
raise exceptions.InvalidInputError(
error='Component with field %s and value %s not '
'found' % (name, value))