code: def load_and_parse(self):
          
  
          archives = []
          to_return = {}
  
          for name, project in self.all_projects.items():
              archives = archives + self.parse_archives_from_project(project)
  
          # We're going to have a similar issue with parsed nodes, if we want to
          # make parse_node return those.
          for a in archives:
              # archives have a config, but that would make for an invalid
              # UnparsedNode, so remove it and pass it along to parse_node as an
              # argument.
              archive_config = a.pop('config')
              archive = UnparsedNode(**a)
              node_path = self.get_path(archive.resource_type,
                                        archive.package_name,
                                        archive.name)
  
              to_return[node_path] = self.parse_node(
                  archive,
                  node_path,
                  self.all_projects.get(archive.package_name),
                  archive_config=archive_config)
  
          return to_return
docs: Load and parse archives in a list of projects. Returns a dict
             that maps unique ids onto ParsedNodes