EXR_Process_ToolPackage/workbench_cli.py at main · NJUCG/EXR_Process_ToolPackage · GitHub

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from __future__ import annotations

import argparse
import json
import sys
from pathlib import Path
from typing import Any, Dict, Iterable

try:
    from process_exr.workbench.services import get_default_registry, read_json
    from process_exr.workbench.workflow import (
        list_workflows,
        load_workflow,
        preview_workflow,
        run_workflow_file,
        validate_workflow,
    )
except ModuleNotFoundError:
    from workbench.services import get_default_registry, read_json
    from workbench.workflow import (
        list_workflows,
        load_workflow,
        preview_workflow,
        run_workflow_file,
        validate_workflow,
    )


def parse_value(raw: str) -> Any:
    try:
        return json.loads(raw)
    except json.JSONDecodeError:
        return raw


def parse_variables(pairs: Iterable[str], vars_file: str | None) -> Dict[str, Any]:
    values: Dict[str, Any] = {}
    if vars_file:
        payload = read_json(Path(vars_file))
        values.update(payload)
    for pair in pairs:
        if "=" not in pair:
            raise ValueError(f"变量必须使用 key=value 格式: {pair}")
        key, value = pair.split("=", 1)
        values[key] = parse_value(value)
    return values


def print_json(payload: Any) -> None:
    print(json.dumps(payload, ensure_ascii=False, indent=2))


def build_parser() -> argparse.ArgumentParser:
    parser = argparse.ArgumentParser(description="process_exr Web Workbench CLI")
    subparsers = parser.add_subparsers(dest="command", required=True)

    subparsers.add_parser("list-services", help="列出已注册的标准服务")
    subparsers.add_parser("list-workflows", help="列出 workflow 库中的 JSON 工作流")

    validate_parser = subparsers.add_parser("validate-workflow", help="校验工作流结构")
    validate_parser.add_argument("workflow", help="workflow JSON 文件路径")

    preview_parser = subparsers.add_parser("preview-workflow", help="预览变量渲染后的步骤配置")
    preview_parser.add_argument("workflow", help="workflow JSON 文件路径")
    preview_parser.add_argument("--var", action="append", default=[], help="覆盖变量，格式 key=value")
    preview_parser.add_argument("--vars-file", help="变量 JSON 文件")

    run_parser = subparsers.add_parser("run-workflow", help="运行工作流")
    run_parser.add_argument("workflow", help="workflow JSON 文件路径")
    run_parser.add_argument("--var", action="append", default=[], help="覆盖变量，格式 key=value")
    run_parser.add_argument("--vars-file", help="变量 JSON 文件")
    run_parser.add_argument("--run-id", help="指定运行 ID")
    run_parser.add_argument("--dry-run", action="store_true", help="只生成命令和运行记录，不执行处理脚本")

    return parser


def main(argv: list[str] | None = None) -> int:
    args = build_parser().parse_args(argv)

    try:
        if args.command == "list-services":
            registry = get_default_registry()
            print_json([definition.to_dict() for definition in registry.list()])
            return 0

        if args.command == "list-workflows":
            print_json(list_workflows())
            return 0

        if args.command == "validate-workflow":
            workflow = load_workflow(args.workflow)
            validate_workflow(workflow)
            print_json({"status": "ok", "workflow": args.workflow})
            return 0

        if args.command == "preview-workflow":
            workflow = load_workflow(args.workflow)
            variables = parse_variables(args.var, args.vars_file)
            validate_workflow(workflow)
            print_json(preview_workflow(workflow, workflow_path=args.workflow, variables=variables))
            return 0

        if args.command == "run-workflow":
            variables = parse_variables(args.var, args.vars_file)
            run = run_workflow_file(
                args.workflow,
                variables=variables,
                dry_run=args.dry_run,
                run_id=args.run_id,
            )
            print_json(run.to_dict())
            return 0 if run.status in {"success", "dry_run"} else 1
    except Exception as exc:  # noqa: BLE001 - command line error reporting
        print_json({"status": "error", "error": str(exc)})
        return 1

    return 1


if __name__ == "__main__":
    sys.exit(main())