Method run

dvc/commands/params.py:13–51

(self)

    UNINITIALIZED = True

    def run(self):
        import os
        from os.path import relpath

        diff_result = self.repo.params.diff(
            a_rev=self.args.a_rev,
            b_rev=self.args.b_rev,
            targets=self.args.targets,
            all=self.args.all,
            deps_only=self.args.deps,
        )

        errored = [rev for rev, err in diff_result.get("errors", {}).items() if err]
        if errored:
            ui.error_write(
                "DVC failed to load some metrics for following revisions:"
                f" '{', '.join(errored)}'."
            )

        start = relpath(os.getcwd(), self.repo.root_dir)
        diff = diff_result.get("diff", {})
        diff = {relpath(path, start): result for path, result in diff.items()}

        if self.args.json:
            ui.write_json(diff)
        else:
            from dvc.compare import show_diff

            show_diff(
                diff,
                title="Param",
                markdown=self.args.markdown,
                no_path=self.args.no_path,
                show_changes=False,
                a_rev=self.args.a_rev,
                b_rev=self.args.b_rev,
            )

        return 0


def add_parser(subparsers, parent_parser):