Fix python help() parser

Fixes https://gitlab.com/kicad/code/kicad/issues/9191

scripting/kicad_pyshell/kicad_pyeditor.py

@@ -923,7 +923,12 @@ class KiCadEditorNotebookFrame(KiCadEditorFrame):
                 place the stdout into the editor window """
             import pydoc, sys
             self._keep_stdin = sys.stdin
-            pydoc.pager = pydoc.plainpager
+
+            """getline will crash unexpectedly, so we don't support it
+                and bold fonts wreak havoc on our output, so strip them as well"""
+            pydoc.getpager = lambda: pydoc.plainpager
+            pydoc.Helper.getline = lambda self, prompt: None
+            pydoc.TextDoc.use_bold = lambda self, text: text
 
             dispatcher.connect(receiver=self._editorChange,
                                signal='EditorChange', sender=self.notebook)

scripting/kipython_frame.cpp

@@ -83,8 +83,6 @@ KIPYTHON_FRAME::KIPYTHON_FRAME( KIWAY* aKiway, wxWindow* aParent ) :
             KIWAY_PLAYER( aKiway, aParent, FRAME_PYTHON, wxT( "KiPython" ), wxDefaultPosition,
                     wxDefaultSize, KICAD_DEFAULT_DRAWFRAME_STYLE, wxT( "KiPython" ) )
 {
-    m_stdio = 0;
-
     CallAfter( [&](){ SetupPythonEditor(); } );
 
     redirectStdio();
@@ -93,8 +91,4 @@ KIPYTHON_FRAME::KIPYTHON_FRAME( KIWAY* aKiway, wxWindow* aParent ) :
 
 KIPYTHON_FRAME::~KIPYTHON_FRAME()
 {
-    wxWindow* stdio_window = wxWindow::FindWindowById( m_stdio );
-
-    if( stdio_window )
-        stdio_window->Close( true );
 }

scripting/kipython_frame.h

@@ -55,7 +55,6 @@ private:
     bool canCloseWindow( wxCloseEvent& aCloseEvent ) override { return true; }
     void doCloseWindow() override {}
 
-    long m_stdio;
 };