chore: 调整Python版本与依赖适配，新增性能报告测试与工具函数

1.  将Python版本从3.13降级到3.11
2.  为typing-extensions添加版本适配标记
3.  简化dev依赖组，移除pysnooper
4.  重构perf_timer，提取_generate_report独立函数
5.  新增性能报告生成与测试用例

.python-version

@@ -1 +1 @@
-3.13
+3.11

pyproject.toml

@@ -13,7 +13,7 @@ classifiers = [
 ]
 dependencies = [
     "graphlib_backport >= 1.0.0; python_version < '3.9'",
-    "typing-extensions>=4.13.2",
+    "typing-extensions>=4.13.2; python_version < '3.10'",
 ]
 description = "Lightweight, type-safe DAG task scheduler with multi-strategy execution."
 keywords = ["async", "dag", "scheduler", "task", "workflow"]
@@ -93,10 +93,7 @@ packages = ["src/pyflowx"]
 pyflowx = { workspace = true }
 
 [dependency-groups]
-dev = [
-    "pyflowx[dev,office,llm]",
-    "pysnooper>=1.2.3",
-]
+dev = ["pyflowx[dev,office,llm]"]
 
 [tool.coverage.run]
 branch      = true

src/pyflowx/utils.py

@@ -1,15 +1,19 @@
 """常用工具函数."""
 
-__all__ = ["perf_timer"]
+from __future__ import annotations
 
+__all__ = ["perf_timer"]
 
 import functools
 import logging
 import time
 from collections import defaultdict
-from typing import Callable, ParamSpec, TypedDict
+from typing import Callable, TypedDict
 
-from typing_extensions import TypeVar
+try:
+    from typing_extensions import ParamSpec, TypeVar
+except ImportError:
+    from typing import ParamSpec, TypeVar
 
 P = ParamSpec("P")
 R = TypeVar("R")
@@ -30,6 +34,37 @@ _perf_metrics: defaultdict[str, _PerformanceMetrics] = defaultdict(
 )
 
 
+def _generate_report(unit: str, precision: int) -> str:
+    """生成性能指标报告，返回报告字符串."""
+    if not _perf_metrics:
+        return ""
+
+    lines: list[str] = []
+    lines.append("=" * 50)
+    lines.append("性能指标报告 (Performance Metrics Report)")
+    lines.append("-" * 50)
+
+    # 按总耗时排序，最耗时的函数排在前面
+    sorted_metrics = sorted(_perf_metrics.items(), key=lambda x: x[1]["total_time"], reverse=True)
+
+    for name, metrics in sorted_metrics:
+        avg_time = metrics["total_time"] / metrics["count"] if metrics["count"] > 0 else 0
+        lines.append(
+            f"{name}: "
+            f"调用次数={metrics['count']}, "
+            f"总耗时={metrics['total_time']:.{precision}f}{unit}, "
+            f"平均耗时={avg_time:.{precision}f}{unit}"
+        )
+
+    lines.append("=" * 50)
+    report_str = "\n".join(lines)
+
+    # 同时输出到日志
+    logging.info("\n".join(lines))
+
+    return report_str
+
+
 def perf_timer(unit: str = "ms", precision: int = 4, report: bool = False):
     """性能计时器装饰器."""
     scale: dict[str, float] = {
@@ -63,8 +98,10 @@ def perf_timer(unit: str = "ms", precision: int = 4, report: bool = False):
         logging.info(f"Performance metrics report enabled with unit {unit} and precision {precision}")
 
         @atexit.register
-        def _() -> None:
-            for name, metrics in _perf_metrics.items():
-                logging.info(f"{name}: {metrics['count']} times, {metrics['total_time']:.{precision}f}{unit}")
+        def _report_at_exit() -> None:
+            """在程序退出时报告性能指标."""
+            _generate_report(unit, precision)
+
+        # 将报告生成逻辑提取为独立函数，便于测试
 
     return decorator

tests/test_utils.py

@@ -39,3 +39,27 @@ class TestPerformanceTimer:
         assert _perf_metrics["test_func"]["total_time"] >= 0.1
 
         assert mock_log.call_count == 1
+
+    def test_generate_report(self, mocker: MockerFixture, caplog: pytest.LogCaptureFixture):
+        mock_log = mocker.patch("logging.info")
+
+        from pyflowx.utils import _generate_report
+
+        @perf_timer(report=True, unit="ms", precision=3)
+        def test_func():
+            time.sleep(0.1)
+
+        @perf_timer(report=True, unit="ms", precision=3)
+        def test_func2():
+            time.sleep(0.2)
+
+        test_func()
+        test_func2()
+
+        _generate_report("ms", 3)
+
+        assert mock_log.call_count == 3
+        assert _perf_metrics["test_func"]["count"] == 1
+        assert _perf_metrics["test_func"]["total_time"] >= 0.1
+        assert _perf_metrics["test_func2"]["count"] == 1
+        assert _perf_metrics["test_func2"]["total_time"] >= 0.2

uv.lock

@@ -5607,8 +5607,6 @@ version = "0.2.10"
 source = { editable = "." }
 dependencies = [
     { name = "graphlib-backport", marker = "python_full_version < '3.9'" },
-    { name = "typing-extensions", version = "4.13.2", source = { registry = "https://mirrors.aliyun.com/pypi/simple/" }, marker = "python_full_version < '3.9'" },
-    { name = "typing-extensions", version = "4.15.0", source = { registry = "https://mirrors.aliyun.com/pypi/simple/" }, marker = "python_full_version >= '3.9'" },
 ]
 
 [package.optional-dependencies]
@@ -5682,7 +5680,7 @@ requires-dist = [
     { name = "sglang", extras = ["all"], marker = "python_full_version >= '3.10' and sys_platform == 'linux' and extra == 'llm'", specifier = "==0.5.10rc0" },
     { name = "tox", marker = "extra == 'dev'", specifier = ">=4.25.0" },
     { name = "tox-uv", marker = "extra == 'dev'", specifier = ">=1.13.1" },
-    { name = "typing-extensions", specifier = ">=4.13.2" },
+    { name = "typing-extensions", marker = "python_full_version < '3.8'", specifier = ">=4.13.2" },
 ]
 provides-extras = ["dev", "llm", "office"]
 
@@ -8439,22 +8437,13 @@ name = "typing-extensions"
 version = "4.15.0"
 source = { registry = "https://mirrors.aliyun.com/pypi/simple/" }
 resolution-markers = [
-    "python_full_version >= '3.15' and sys_platform == 'darwin'",
     "python_full_version >= '3.15' and platform_machine == 'aarch64' and sys_platform == 'linux'",
-    "python_full_version >= '3.15' and sys_platform == 'win32'",
-    "python_full_version >= '3.15' and sys_platform == 'emscripten'",
     "(python_full_version >= '3.15' and platform_machine != 'aarch64' and sys_platform == 'linux') or (python_full_version >= '3.15' and sys_platform != 'darwin' and sys_platform != 'emscripten' and sys_platform != 'linux' and sys_platform != 'win32')",
-    "python_full_version == '3.14.*' and sys_platform == 'darwin'",
-    "python_full_version == '3.13.*' and sys_platform == 'darwin'",
     "python_full_version == '3.12.*' and sys_platform == 'darwin'",
     "python_full_version == '3.14.*' and platform_machine == 'aarch64' and sys_platform == 'linux'",
     "python_full_version == '3.13.*' and platform_machine == 'aarch64' and sys_platform == 'linux'",
     "python_full_version == '3.12.*' and platform_machine == 'aarch64' and sys_platform == 'linux'",
-    "python_full_version == '3.14.*' and sys_platform == 'win32'",
-    "python_full_version == '3.14.*' and sys_platform == 'emscripten'",
     "(python_full_version == '3.14.*' and platform_machine != 'aarch64' and sys_platform == 'linux') or (python_full_version == '3.14.*' and sys_platform != 'darwin' and sys_platform != 'emscripten' and sys_platform != 'linux' and sys_platform != 'win32')",
-    "python_full_version == '3.13.*' and sys_platform == 'win32'",
-    "python_full_version == '3.13.*' and sys_platform == 'emscripten'",
     "(python_full_version == '3.13.*' and platform_machine != 'aarch64' and sys_platform == 'linux') or (python_full_version == '3.13.*' and sys_platform != 'darwin' and sys_platform != 'emscripten' and sys_platform != 'linux' and sys_platform != 'win32')",
     "python_full_version == '3.12.*' and sys_platform == 'win32'",
     "python_full_version == '3.12.*' and sys_platform == 'emscripten'",