Move to Ruff for formatting (microsoft/vscode-python#23060)

Also set the line length to 100.

Author: brettcannon

extensions/positron-python/.devcontainer/devcontainer.json

@@ -9,13 +9,12 @@
     "customizations": {
         "vscode": {
             "extensions": [
+                "charliermarsh.ruff",
                 "editorconfig.editorconfig",
                 "esbenp.prettier-vscode",
                 "dbaeumer.vscode-eslint",
                 "ms-python.python",
-                "ms-python.black-formatter",
                 "ms-python.vscode-pylance",
-                "charliermarsh.ruff",
                 "ms-python.debugpy"
             ]
         }

extensions/positron-python/.github/actions/lint/action.yml

@@ -41,17 +41,10 @@ runs:
         python-version: '3.x'
         cache: 'pip'
 
-    - name: Check Python format
-      run: |
-        python -m pip install -U black ruff
-        python -m ruff check
-        python -m black . --check
-      working-directory: python_files
-      shell: bash
-
     - name: Run Ruff
       run: |
         python -m pip install -U ruff
         python -m ruff check .
+        python -m ruff format --check
       working-directory: python_files
       shell: bash

extensions/positron-python/.vscode/extensions.json

@@ -2,13 +2,11 @@
     // See https://go.microsoft.com/fwlink/?LinkId=827846
     // for the documentation about the extensions.json format
     "recommendations": [
+        "charliermarsh.ruff",
         "editorconfig.editorconfig",
         "esbenp.prettier-vscode",
         "dbaeumer.vscode-eslint",
         "ms-python.python",
-        "ms-python.black-formatter",
-        "ms-python.vscode-pylance",
-        "ms-python.isort",
-        "ms-python.flake8"
+        "ms-python.vscode-pylance"
     ]
 }

extensions/positron-python/.vscode/settings.json

@@ -27,7 +27,7 @@
         "editor.codeActionsOnSave": {
             "source.organizeImports": "explicit"
         },
-        "editor.defaultFormatter": "ms-python.black-formatter"
+        "editor.defaultFormatter": "charliermarsh.ruff",
     },
     "[typescript]": {
         "editor.defaultFormatter": "esbenp.prettier-vscode",

extensions/positron-python/python_files/linter.py

@@ -37,11 +37,7 @@ def main():
     invoke = sys.argv[1]
     if invoke == "-m":
         linter = sys.argv[2]
-        args = (
-            [sys.executable, "-m", linter]
-            + linter_settings[linter]["args"]
-            + sys.argv[3:]
-        )
+        args = [sys.executable, "-m", linter] + linter_settings[linter]["args"] + sys.argv[3:]
     else:
         linter = sys.argv[2]
         args = [sys.argv[3]] + linter_settings[linter]["args"] + sys.argv[4:]

extensions/positron-python/python_files/pyproject.toml

@@ -53,8 +53,14 @@ ignore = [
 ]
 
 [tool.ruff]
-line-length = 140
-exclude = ["tests/testing_tools/adapter/.data"]
+line-length = 100
+exclude = [
+    "tests/testing_tools/adapter/.data",
+    "tests/unittestadapter/.data"
+]
+
+[tool.ruff.format]
+docstring-code-format = true
 
 [tool.ruff.lint.pydocstyle]
 convention = "pep257"

extensions/positron-python/python_files/testing_tools/adapter/__main__.py

@@ -50,9 +50,7 @@ def parse_args(
             subsub = add_subparser(cmdname, toolname, subsubs)
             if cmdname == "discover":
                 subsub.add_argument("--simple", action="store_true")
-                subsub.add_argument(
-                    "--no-hide-stdio", dest="hidestdio", action="store_false"
-                )
+                subsub.add_argument("--no-hide-stdio", dest="hidestdio", action="store_false")
                 subsub.add_argument("--pretty", action="store_true")
 
     # Parse the args!

extensions/positron-python/python_files/testing_tools/adapter/info.py

@@ -61,9 +61,7 @@ def __init__(self, *args, **kwargs):
             raise TypeError("missing relpath")
 
 
-class SingleTestInfo(
-    namedtuple("TestInfo", "id name path source markers parentid kind")
-):
+class SingleTestInfo(namedtuple("TestInfo", "id name path source markers parentid kind")):
     """Info for a single test."""
 
     MARKERS = ("skip", "skip-if", "expected-failure")

extensions/positron-python/python_files/testing_tools/adapter/pytest/_discovery.py

@@ -17,7 +17,7 @@ def discover(
     # *,
     _pytest_main=pytest.main,
     _plugin=None,
-    **_ignored
+    **_ignored,
 ):
     """Return the results of test discovery."""
     if _plugin is None:

extensions/positron-python/python_files/testing_tools/adapter/pytest/_pytest_item.py

@@ -170,9 +170,7 @@ def parse_item(
         parents = [(parentid, item.originalname, kind)] + parents
         name = parameterized[1:-1] or "<empty>"
     else:
-        (nodeid, parents, fileid, testfunc, parameterized) = _parse_node_id(
-            item.nodeid, kind
-        )
+        (nodeid, parents, fileid, testfunc, parameterized) = _parse_node_id(item.nodeid, kind)
         name = item.name
 
     # Note: testfunc does not necessarily match item.function.__name__.

extensions/positron-python/python_files/testing_tools/adapter/report.py

@@ -13,7 +13,7 @@ def report_discovered(
     pretty=False,
     simple=False,
     _send=print,
-    **_ignored
+    **_ignored,
 ):
     """Serialize the discovered tests and write to stdout."""
     if simple:

extensions/positron-python/python_files/testing_tools/adapter/util.py

@@ -128,7 +128,7 @@ def fix_fileid(
     normalize=False,
     strictpathsep=None,
     _pathsep=PATH_SEP,
-    **kwargs
+    **kwargs,
 ):
     """Return a pathsep-separated file ID ("./"-prefixed) for the given value.
 
@@ -150,7 +150,7 @@ def fix_fileid(
         rootdir,
         _pathsep=_pathsep,
         # ...
-        **kwargs
+        **kwargs,
     )
     if relpath:  # Note that we treat "" here as an absolute path.
         _fileid = "./" + relpath

extensions/positron-python/python_files/testing_tools/socket_manager.py

@@ -29,9 +29,7 @@ def __exit__(self, *_):
         self.close()
 
     def connect(self):
-        self.socket = socket.socket(
-            socket.AF_INET, socket.SOCK_STREAM, socket.IPPROTO_TCP
-        )
+        self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM, socket.IPPROTO_TCP)
         if sys.platform == "win32":
             addr_use = socket.SO_EXCLUSIVEADDRUSE
         else:

extensions/positron-python/python_files/tests/__main__.py

@@ -12,9 +12,7 @@
 def parse_args():
     parser = argparse.ArgumentParser()
     # To mark a test as functional:  (decorator) @pytest.mark.functional
-    parser.add_argument(
-        "--functional", dest="markers", action="append_const", const="functional"
-    )
+    parser.add_argument("--functional", dest="markers", action="append_const", const="functional")
     parser.add_argument(
         "--no-functional", dest="markers", action="append_const", const="not functional"
     )

extensions/positron-python/python_files/tests/debug_adapter/test_install_debugpy.py

@@ -18,12 +18,8 @@ def test_install_debugpy(tmpdir):
     import install_debugpy
 
     install_debugpy.main(str(tmpdir))
-    dir_path = os.path.join(
-        str(tmpdir), "debugpy", "_vendored", "pydevd", "_pydevd_bundle"
-    )
+    dir_path = os.path.join(str(tmpdir), "debugpy", "_vendored", "pydevd", "_pydevd_bundle")
     _check_binaries(dir_path)
 
-    dir_path = os.path.join(
-        str(tmpdir), "debugpy", "_vendored", "pydevd", "_pydevd_frame_eval"
-    )
+    dir_path = os.path.join(str(tmpdir), "debugpy", "_vendored", "pydevd", "_pydevd_frame_eval")
     _check_binaries(dir_path)

extensions/positron-python/python_files/tests/pytestadapter/expected_discovery_test_output.py

@@ -322,19 +322,12 @@
 #          └── test_bottom_function_t
 #          └── test_bottom_function_f
 dual_level_nested_folder_path = TEST_DATA_PATH / "dual_level_nested_folder"
-test_top_folder_path = (
-    TEST_DATA_PATH / "dual_level_nested_folder" / "test_top_folder.py"
-)
+test_top_folder_path = TEST_DATA_PATH / "dual_level_nested_folder" / "test_top_folder.py"
 
-test_nested_folder_one_path = (
-    TEST_DATA_PATH / "dual_level_nested_folder" / "nested_folder_one"
-)
+test_nested_folder_one_path = TEST_DATA_PATH / "dual_level_nested_folder" / "nested_folder_one"
 
 test_bottom_folder_path = (
-    TEST_DATA_PATH
-    / "dual_level_nested_folder"
-    / "nested_folder_one"
-    / "test_bottom_folder.py"
+    TEST_DATA_PATH / "dual_level_nested_folder" / "nested_folder_one" / "test_bottom_folder.py"
 )
 
 
@@ -851,12 +844,8 @@
                         os.path.join(tests_path, "test_a.py"),
                     ),
                     "type_": "test",
-                    "id_": get_absolute_test_id(
-                        "tests/test_a.py::test_a_function", tests_a_path
-                    ),
-                    "runID": get_absolute_test_id(
-                        "tests/test_a.py::test_a_function", tests_a_path
-                    ),
+                    "id_": get_absolute_test_id("tests/test_a.py::test_a_function", tests_a_path),
+                    "runID": get_absolute_test_id("tests/test_a.py::test_a_function", tests_a_path),
                 }
             ],
         },
@@ -874,12 +863,8 @@
                         os.path.join(tests_path, "test_b.py"),
                     ),
                     "type_": "test",
-                    "id_": get_absolute_test_id(
-                        "tests/test_b.py::test_b_function", tests_b_path
-                    ),
-                    "runID": get_absolute_test_id(
-                        "tests/test_b.py::test_b_function", tests_b_path
-                    ),
+                    "id_": get_absolute_test_id("tests/test_b.py::test_b_function", tests_b_path),
+                    "runID": get_absolute_test_id("tests/test_b.py::test_b_function", tests_b_path),
                 }
             ],
         },
@@ -996,12 +981,8 @@
 }
 SYMLINK_FOLDER_PATH = TEST_DATA_PATH / "symlink_folder"
 SYMLINK_FOLDER_PATH_TESTS = TEST_DATA_PATH / "symlink_folder" / "tests"
-SYMLINK_FOLDER_PATH_TESTS_TEST_A = (
-    TEST_DATA_PATH / "symlink_folder" / "tests" / "test_a.py"
-)
-SYMLINK_FOLDER_PATH_TESTS_TEST_B = (
-    TEST_DATA_PATH / "symlink_folder" / "tests" / "test_b.py"
-)
+SYMLINK_FOLDER_PATH_TESTS_TEST_A = TEST_DATA_PATH / "symlink_folder" / "tests" / "test_a.py"
+SYMLINK_FOLDER_PATH_TESTS_TEST_B = TEST_DATA_PATH / "symlink_folder" / "tests" / "test_b.py"
 
 symlink_expected_discovery_output = {
     "name": "symlink_folder",