def from_directories()

in sapp/analysis_output.py [0:0]

• 37 lines of code
• 7 McCabe index (conditional complexity)

    def from_directories(cls, directories: List[str]) -> "AnalysisOutput":
        """
        Aggregates several analysis output directories (each of which may themselves be sharded)
        into one AnalysisOutput object. Used for distributed runs of Zoncolan.

        Only supports `filename_spec` in the metadata.json to declare analysis output;
        `filename_glob` and legacy `filenames` are not supported.

        Metadata is naively merged.
        """

        main_metadata = None
        filename_specs = []

        for directory in directories:
            if not os.path.isdir(directory):
                raise AnalysisOutputError(f"`{directory}` is not a directory")
            metadata = {}
            for file in glob(os.path.join(directory, METADATA_GLOB)):
                with open(file) as f:
                    metadata.update(json.load(f))

            if "filename_spec" in metadata:
                filename_specs.append(
                    os.path.join(directory, os.path.basename(metadata["filename_spec"]))
                )

            repo_root = metadata.get("repo_root")
            analysis_root = metadata["root"]
            rules = {rule["code"]: rule for rule in metadata.get("rules", [])}
            this_metadata = Metadata(
                analysis_tool_version=metadata["version"],
                commit_hash=metadata.get("commit"),
                analysis_root=analysis_root,
                repo_roots=[repo_root],
                job_instance=metadata.get("job_instance"),
                tool=metadata.get("tool"),
                repository_name=metadata.get("repository_name"),
                project=metadata.get("project"),
                rules=rules,
                type_intervals=cls._get_interval_dict(metadata),
            )
            if not main_metadata:
                main_metadata = this_metadata
            else:
                main_metadata = main_metadata.merge(this_metadata)
        return cls(
            filename_specs=filename_specs,
            metadata=main_metadata,
        )