style: introduce ruff as linter and formatter (#1356)

* style: remove necessary imports

* style: fix F841

* style: fix F401

* style: fix F811

* style: fix E402

* style: fix E721

* style: fix E722

* style: fix E722

* style: fix F541

* style: ruff format

* style: all passed

* style: add ruff in deps

* style: more ignores in ruff.toml

* style: add pre-commit

pkg/utils/pkgmgr.py

@@ -6,8 +6,17 @@ def install(package):
 
 
 def install_upgrade(package):
-    pipmain(['install', '--upgrade', package, "-i", "https://pypi.tuna.tsinghua.edu.cn/simple",
-                    "--trusted-host", "pypi.tuna.tsinghua.edu.cn"])
+    pipmain(
+        [
+            'install',
+            '--upgrade',
+            package,
+            '-i',
+            'https://pypi.tuna.tsinghua.edu.cn/simple',
+            '--trusted-host',
+            'pypi.tuna.tsinghua.edu.cn',
+        ]
+    )
 
 
 def run_pip(params: list):
@@ -15,5 +24,15 @@ def run_pip(params: list):
 
 
 def install_requirements(file, extra_params: list = []):
-    pipmain(['install', '-r', file, "-i", "https://pypi.tuna.tsinghua.edu.cn/simple",
-                    "--trusted-host", "pypi.tuna.tsinghua.edu.cn"] + extra_params)
+    pipmain(
+        [
+            'install',
+            '-r',
+            file,
+            '-i',
+            'https://pypi.tuna.tsinghua.edu.cn/simple',
+            '--trusted-host',
+            'pypi.tuna.tsinghua.edu.cn',
+        ]
+        + extra_params
+    )