FIX: Typing annotations (ipython#12683)

Running `mypy -p IPython.sphinxext` raised a few errors. Fix them and
strip some trailing whitespace from a few places.

Author: Carreau

IPython/core/inputsplitter.py

@@ -15,6 +15,7 @@
 
 For more details, see the class docstrings below.
 """
+
 from __future__ import annotations
 
 from warnings import warn

IPython/core/tests/test_inputtransformer2.py

@@ -4,6 +4,7 @@
 more complex. See test_inputtransformer2_line for tests for line-based
 transformations.
 """
+
 import platform
 import string
 import sys

IPython/core/tests/test_paths.py

@@ -160,14 +160,16 @@ def test_get_ipython_dir_8():
         # test only when HOME directory actually writable
         return
 
-    with patch.object(paths, "_writable_dir", lambda path: bool(path)), patch.object(
-        paths, "get_xdg_dir", return_value=None
-    ), modified_env(
-        {
-            "IPYTHON_DIR": None,
-            "IPYTHONDIR": None,
-            "HOME": "/",
-        }
+    with (
+        patch.object(paths, "_writable_dir", lambda path: bool(path)),
+        patch.object(paths, "get_xdg_dir", return_value=None),
+        modified_env(
+            {
+                "IPYTHON_DIR": None,
+                "IPYTHONDIR": None,
+                "HOME": "/",
+            }
+        ),
     ):
         assert paths.get_ipython_dir() == "/.ipython"
 

IPython/external/qt_loaders.py

@@ -8,6 +8,7 @@
 This is used primarily by qt and qt_for_kernel, and shouldn't
 be accessed directly from the outside
 """
+
 import importlib.abc
 import sys
 import os

IPython/lib/clipboard.py

@@ -1,5 +1,6 @@
 """ Utilities for accessing the platform's clipboard.
 """
+
 import os
 import subprocess
 

IPython/sphinxext/custom_doctests.py

@@ -107,7 +107,7 @@ def float_doctest(sphinx_shell, args, input_lines, found, submitted):
         try:
             rtol = float(args[2])
             atol = float(args[3])
-        except IndexError as e:
+        except IndexError:
             e = ("Both `rtol` and `atol` must be specified "
                  "if either are specified: {0}".format(args))
             raise IndexError(e) from e

IPython/sphinxext/ipython_directive.py

@@ -174,7 +174,7 @@
 
 # Authors
 # =======
-# 
+#
 # - John D Hunter: original author.
 # - Fernando Perez: refactoring, documentation, cleanups, port to 0.11.
 # - VáclavŠmilauer <eudoxos-AT-arcig.cz>: Prompt generalizations.
@@ -196,6 +196,7 @@
 import warnings
 import shutil
 from io import StringIO
+from typing import Any, Dict, Set
 
 # Third-party
 from docutils.parsers.rst import directives
@@ -425,7 +426,7 @@ def process_image(self, decorator):
         source_dir = self.source_dir
         saveargs = decorator.split(' ')
         filename = saveargs[1]
-        # insert relative path to image file in source 
+        # insert relative path to image file in source
         # as absolute path for Sphinx
         # sphinx expects a posix path, even on Windows
         path = pathlib.Path(savefig_dir, filename)
@@ -901,21 +902,22 @@ def custom_doctest(self, decorator, input_lines, found, submitted):
 
 class IPythonDirective(Directive):
 
-    has_content = True
-    required_arguments = 0
-    optional_arguments = 4 # python, suppress, verbatim, doctest
-    final_argumuent_whitespace = True
-    option_spec = { 'python': directives.unchanged,
-                    'suppress' : directives.flag,
-                    'verbatim' : directives.flag,
-                    'doctest' : directives.flag,
-                    'okexcept': directives.flag,
-                    'okwarning': directives.flag
-                  }
+    has_content: bool = True
+    required_arguments: int = 0
+    optional_arguments: int = 4  # python, suppress, verbatim, doctest
+    final_argumuent_whitespace: bool = True
+    option_spec: Dict[str, Any] = {
+        "python": directives.unchanged,
+        "suppress": directives.flag,
+        "verbatim": directives.flag,
+        "doctest": directives.flag,
+        "okexcept": directives.flag,
+        "okwarning": directives.flag,
+    }
 
     shell = None
 
-    seen_docs = set()
+    seen_docs: Set = set()
 
     def get_config_options(self):
         # contains sphinx configuration variables

IPython/terminal/shortcuts/auto_match.py

@@ -4,6 +4,7 @@
 This will be bound to specific key press and filter modes,
 like whether we are in edit mode, and whether the completer is open.
 """
+
 import re
 from prompt_toolkit.key_binding import KeyPressEvent