def __cinit__()

in src/buildstream/_loader/loadelement.pyx [0:0]

• 31 lines of code
• 14 McCabe index (conditional complexity)

    def __cinit__(self, MappingNode node, str filename, object loader):

        #
        # Public members
        #
        self.kind = None        # The Element kind
        self.node = node        # The YAML node
        self.name = filename    # The element name
        self.full_name = None   # The element full name (with associated junction)
        self.node_id = _next_synthetic_counter()
        self.link_target = None  # The target of a link element (ScalarNode)
        self.fully_loaded = False  # Whether we entered the loop to load dependencies or not

        #
        # Private members
        #
        self._loader = loader   # The Loader object
        self._dep_cache = None  # The dependency cache, to speed up depends()

        #
        # Initialization
        #
        if loader.project.junction:
            # dependency is in subproject, qualify name
            self.full_name = '{}:{}'.format(loader.project.junction._get_full_name(), self.name)
        else:
            # dependency is in top-level project
            self.full_name = self.name

        self.dependencies = []

        # Ensure the root node is valid
        self.node.validate_keys(_valid_element_keys)

        self.kind = node.get_str(Symbol.KIND, default=None)
        self.description = node.get_str(Symbol.DESCRIPTION, default=None)
        self.first_pass = self.kind in ("junction", "link")

        #
        # If this is a link, resolve it right away and just
        # store the link target and provenance
        #
        if self.kind == 'link':
            # Avoid cyclic import here
            from ..element import Element

            element = Element._new_from_load_element(self)

            # Custom error for link dependencies, since we don't completely
            # parse their dependencies we cannot rely on the built-in ElementError.
            deps = extract_depends_from_node(self.node)
            if deps:
                raise LoadError(
                    "{}: Dependencies are forbidden for 'link' elements".format(element),
                    LoadErrorReason.LINK_FORBIDDEN_DEPENDENCIES
                )

            self.link_target = element.target_node

        # We don't count progress for junction elements or link
        # as they do not represent real elements in the build graph.
        #
        # We check for a `None` kind, to avoid reporting progress for
        # the virtual toplevel element used to load the pipeline.
        #
        if self._loader.load_context.task and self.kind is not None and not self.first_pass:
            self._loader.load_context.task.add_current_progress()