update pre-commit and related (#1465)

Author: Carreau

.pre-commit-config.yaml

@@ -4,7 +4,7 @@ ci:
 
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v5.0.0
+    rev: v6.0.0
     hooks:
       - id: check-case-conflict
       - id: check-ast
@@ -22,16 +22,15 @@ repos:
       - id: trailing-whitespace
 
   - repo: https://github.com/python-jsonschema/check-jsonschema
-    rev: 0.33.2
+    rev: 0.34.1
     hooks:
       - id: check-github-workflows
 
-  - repo: https://github.com/executablebooks/mdformat
-    rev: 0.7.22
+  - repo: https://github.com/hukkin/mdformat
+    rev: 1.0.0
     hooks:
       - id: mdformat
-        additional_dependencies:
-          [mdformat-gfm, mdformat-frontmatter, mdformat-footnote]
+        additional_dependencies: [mdformat-footnote]
 
   - repo: https://github.com/pre-commit/mirrors-prettier
     rev: "v4.0.0-alpha.8"
@@ -40,7 +39,7 @@ repos:
         types_or: [yaml, html, json]
 
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: "v1.17.0"
+    rev: "v1.18.2"
     hooks:
       - id: mypy
         files: ipykernel
@@ -55,7 +54,7 @@ repos:
           ]
 
   - repo: https://github.com/adamchainz/blacken-docs
-    rev: "1.19.1"
+    rev: "1.20.0"
     hooks:
       - id: blacken-docs
         additional_dependencies: [black==23.7.0]
@@ -74,16 +73,16 @@ repos:
       - id: rst-inline-touching-normal
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.12.4
+    rev: v0.14.2
     hooks:
-      - id: ruff
+      - id: ruff-check
         types_or: [python, jupyter]
         args: ["--fix", "--show-fixes"]
       - id: ruff-format
         types_or: [python, jupyter]
 
   - repo: https://github.com/scientific-python/cookie
-    rev: "2025.05.02"
+    rev: "2025.10.20"
     hooks:
       - id: sp-repo-review
         additional_dependencies: ["repo-review[cli]"]

ipykernel/debugger.py

@@ -429,7 +429,7 @@ def start(self):
                 (self.shell_socket.getsockopt(ROUTING_ID)),
             )
 
-            ident, msg = self.session.recv(self.shell_socket, mode=0)
+            _ident, msg = self.session.recv(self.shell_socket, mode=0)
             self.debugpy_initialized = msg["content"]["status"] == "ok"
 
         # Don't remove leading empty lines when debugging so the breakpoints are correctly positioned

ipykernel/inprocess/client.py

@@ -206,7 +206,7 @@ def _dispatch_to_kernel(self, msg):
         else:
             loop = asyncio.get_event_loop()  # type:ignore[unreachable]
             loop.run_until_complete(kernel.dispatch_shell(msg_parts))
-        idents, reply_msg = self.session.recv(stream, copy=False)
+        _idents, reply_msg = self.session.recv(stream, copy=False)
         self.shell_channel.call_handlers_later(reply_msg)
 
     def get_shell_msg(self, block=True, timeout=None):

ipykernel/inprocess/ipkernel.py

@@ -135,7 +135,7 @@ def _io_dispatch(self, change):
         """Called when a message is sent to the IO socket."""
         assert self.iopub_socket.io_thread is not None
         assert self.session is not None
-        ident, msg = self.session.recv(self.iopub_socket.io_thread.socket, copy=False)
+        _ident, msg = self.session.recv(self.iopub_socket.io_thread.socket, copy=False)
         for frontend in self.frontends:
             assert frontend is not None
             frontend.iopub_channel.call_handlers(msg)

ipykernel/pylab/backend_inline.py

@@ -5,7 +5,7 @@
 
 import warnings
 
-from matplotlib_inline.backend_inline import *  # type:ignore[import-untyped] # noqa: F403  # analysis: ignore
+from matplotlib_inline.backend_inline import *  # noqa: F403  # analysis: ignore
 
 warnings.warn(
     "`ipykernel.pylab.backend_inline` is deprecated, directly "

ipykernel/pylab/config.py

@@ -5,7 +5,7 @@
 
 import warnings
 
-from matplotlib_inline.config import *  # type:ignore[import-untyped] # noqa: F403 # analysis: ignore
+from matplotlib_inline.config import *  # noqa: F403 # analysis: ignore
 
 warnings.warn(
     "`ipykernel.pylab.config` is deprecated, directly use `matplotlib_inline.config`",

ipykernel/zmqshell.py

@@ -352,7 +352,7 @@ def edit(self, parameter_s="", last_call=None):
 
         payload = {"source": "edit_magic", "filename": filename, "line_number": lineno}
         assert self.shell is not None
-        self.shell.payload_manager.write_payload(payload)
+        self.shell.payload_manager.write_payload(payload)  # type: ignore[unreachable]
 
     # A few magics that are adapted to the specifics of using pexpect and a
     # remote terminal
@@ -361,7 +361,7 @@ def edit(self, parameter_s="", last_call=None):
     def clear(self, arg_s):
         """Clear the terminal."""
         assert self.shell is not None
-        if os.name == "posix":
+        if os.name == "posix":  # type: ignore[unreachable]
             self.shell.system("clear")
         else:
             self.shell.system("cls")
@@ -383,7 +383,7 @@ def less(self, arg_s):
 
         if arg_s.endswith(".py"):
             assert self.shell is not None
-            cont = self.shell.pycolorize(openpy.read_py_file(arg_s, skip_encoding_cookie=False))
+            cont = self.shell.pycolorize(openpy.read_py_file(arg_s, skip_encoding_cookie=False))  # type: ignore[unreachable]
         else:
             with open(arg_s) as fid:
                 cont = fid.read()
@@ -398,7 +398,7 @@ def less(self, arg_s):
         def man(self, arg_s):
             """Find the man page for the given command and display in pager."""
             assert self.shell is not None
-            page.page(self.shell.getoutput("man %s | col -b" % arg_s, split=False))
+            page.page(self.shell.getoutput("man %s | col -b" % arg_s, split=False))  # type: ignore[unreachable]
 
     @line_magic
     def connect_info(self, arg_s):

pyproject.toml

@@ -120,7 +120,7 @@ dependencies = ["pre-commit"]
 detached = true
 [tool.hatch.envs.lint.scripts]
 build = [
-  "pre-commit run --all-files ruff",
+  "pre-commit run --all-files ruff-check",
   "pre-commit run --all-files ruff-format"
 ]
 

tests/inprocess/test_kernel.py

@@ -57,7 +57,7 @@ def test_pylab(kc):
     """Does %pylab work in the in-process kernel?"""
     _ = pytest.importorskip("matplotlib", reason="This test requires matplotlib")
     kc.execute("%pylab")
-    out, err = assemble_output(kc.get_iopub_msg)
+    out, _err = assemble_output(kc.get_iopub_msg)
     assert "matplotlib" in out
 
 
@@ -85,7 +85,7 @@ def test_stdout(kc):
     kc = BlockingInProcessKernelClient(kernel=kernel, session=kernel.session)
     kernel.frontends.append(kc)
     kc.execute('print("bar")')
-    out, err = assemble_output(kc.get_iopub_msg)
+    out, _err = assemble_output(kc.get_iopub_msg)
     assert out == "bar\n"
 
 
@@ -102,7 +102,7 @@ def test_capfd(kc):
     kernel.frontends.append(kc)
     kc.execute("import os")
     kc.execute('os.system("echo capfd")')
-    out, err = assemble_output(kc.iopub_channel)
+    out, _err = assemble_output(kc.iopub_channel)
     assert out == "capfd\n"
 
 

tests/test_async.py

@@ -23,7 +23,7 @@ def _setup_env():
 
 def test_async_await():
     flush_channels(KC)
-    msg_id, content = execute("import asyncio; await asyncio.sleep(0.1)", KC)
+    _msg_id, content = execute("import asyncio; await asyncio.sleep(0.1)", KC)
     assert content["status"] == "ok", content