Some linting fixes

Author: ianthomas23

docs/conf.py

@@ -76,7 +76,7 @@
 here = Path(__file__).parent.resolve()
 version_py = Path(here) / os.pardir / "ipykernel" / "_version.py"
 with open(version_py) as f:
-    exec(compile(f.read(), version_py, "exec"), version_ns)
+    exec(compile(f.read(), version_py, "exec"), version_ns)  # noqa: S102
 
 # The short X.Y version.
 version = "%i.%i" % version_ns["version_info"][:2]

ipykernel/compiler.py

@@ -66,7 +66,7 @@ def _convert_to_long_pathname(filename):
 
         # test that it works so if there are any issues we fail just once here
         _convert_to_long_pathname(__file__)
-    except Exception:
+    except Exception:  # noqa: S110
         pass
     else:
         convert_to_long_pathname = _convert_to_long_pathname

ipykernel/connect.py

@@ -116,7 +116,7 @@ def connect_qtconsole(
 
     cf = _find_connection_file(connection_file)
 
-    cmd = ";".join(["from qtconsole import qtconsoleapp", "qtconsoleapp.main()"])
+    cmd = "from qtconsole import qtconsoleapp; qtconsoleapp.main()"
 
     kwargs: dict[str, Any] = {}
     # Launch the Qt console in a separate session & process group, so

ipykernel/debugger.py

@@ -39,7 +39,7 @@
     if e.__class__.__name__ == "DebuggerInitializationError":
         _is_debugpy_available = False
     else:
-        raise e
+        raise
 
 if t.TYPE_CHECKING:
     from IPython.core.interactiveshell import InteractiveShell
@@ -470,7 +470,7 @@ async def dumpCell(self, message):
         code = message["arguments"]["code"]
         file_name = get_file_name(code)
 
-        with open(file_name, "w", encoding="utf-8") as f:
+        with open(file_name, "w", encoding="utf-8") as f:  # noqa: ASYNC230
             f.write(code)
 
         return {
@@ -500,7 +500,7 @@ async def source(self, message):
         reply = {"type": "response", "request_seq": message["seq"], "command": message["command"]}
         source_path = message["arguments"]["source"]["path"]
         if Path(source_path).is_file():
-            with open(source_path, encoding="utf-8") as f:
+            with open(source_path, encoding="utf-8") as f:  # noqa: ASYNC230
                 reply["success"] = True
                 reply["body"] = {"content": f.read()}
         else:

ipykernel/eventloops.py

@@ -207,7 +207,7 @@ def wake(self):
             try:
                 if self.shell_stream.flush(limit=1):
                     self.kernel.app.ExitMainLoop()
-            except Exception:
+            except Exception:  # noqa: S110
                 pass
 
         def on_timer(self, event):
@@ -409,7 +409,7 @@ def handle_int(etype, value, tb):
                 if shell_stream.flush(limit=1):
                     # events to process, return control to kernel
                     return
-            except BaseException:
+            except BaseException:  # noqa: TRY203
                 raise
         except KeyboardInterrupt:
             # Ctrl-C shouldn't crash the kernel

ipykernel/inprocess/ipkernel.py

@@ -107,7 +107,7 @@ def _input_request(self, prompt, ident, parent, password=False):
                 frontend.stdin_channel.call_handlers(msg)
                 break
         else:
-            logging.error("No frontend found for raw_input request")
+            logging.error("No frontend found for raw_input request")  # noqa: LOG015
             return ""
 
         # Await a response.

ipykernel/iostream.py

@@ -318,7 +318,7 @@ def stop(self):
         # close *all* event pipes, created in any thread
         # event pipes can only be used from other threads while self.thread.is_alive()
         # so after thread.join, this should be safe
-        for _thread, event_pipe in self._event_pipes.items():
+        for event_pipe in self._event_pipes.values():
             event_pipe.close()
 
     def close(self):

ipykernel/ipkernel.py

@@ -691,7 +691,7 @@ def do_apply(self, content, bufs, msg_id, reply_metadata):
             working.update(ns)
             code = f"{resultname} = {fname}(*{argname},**{kwargname})"
             try:
-                exec(code, shell.user_global_ns, shell.user_ns)
+                exec(code, shell.user_global_ns, shell.user_ns)  # noqa: S102
                 result = working.get(resultname)
             finally:
                 for key in ns:

ipykernel/jsonutil.py

@@ -26,7 +26,7 @@
 
 # holy crap, strptime is not threadsafe.
 # Calling it once at import seems to help.
-datetime.strptime("2000-01-01", "%Y-%m-%d")
+datetime.strptime("2000-01-01", "%Y-%m-%d")  # noqa: DTZ007
 
 # -----------------------------------------------------------------------------
 # Classes and functions

ipykernel/kernelapp.py

@@ -588,7 +588,7 @@ def patch_io(self):
             def enable(file=sys.__stderr__, all_threads=True, **kwargs):
                 return faulthandler_enable(file=file, all_threads=all_threads, **kwargs)
 
-            faulthandler.enable = enable
+            faulthandler.enable = enable  # type:ignore[assignment]
 
             if hasattr(faulthandler, "register"):
                 faulthandler_register = faulthandler.register
@@ -698,15 +698,15 @@ def init_pdb(self):
         With the non-interruptible version, stopping pdb() locks up the kernel in a
         non-recoverable state.
         """
-        import pdb
+        import pdb  # noqa: T100
 
         from IPython.core import debugger
 
         if hasattr(debugger, "InterruptiblePdb"):
             # Only available in newer IPython releases:
             debugger.Pdb = debugger.InterruptiblePdb  # type:ignore[misc]
             pdb.Pdb = debugger.Pdb  # type:ignore[assignment,misc]
-            pdb.set_trace = debugger.set_trace
+            pdb.set_trace = debugger.set_trace  # type:ignore[assignment]
 
     @catch_config_error
     def initialize(self, argv=None):