🔨 Swap to using the textual-enhanced HelpScreen

src/peplum/app/peplum.py

@@ -10,6 +10,7 @@
 
 ##############################################################################
 # Local imports.
+from .. import __version__
 from .data import (
     load_configuration,
     update_configuration,
@@ -21,6 +22,30 @@
 class Peplum(EnhancedApp[None]):
     """The main application class."""
 
+    HELP_TITLE = f"Peplum {__version__}"
+    HELP_ABOUT = """
+    `Peplum` is a terminal-based Python PEP lookup manager; it was created
+    by and is maintained by [Dave Pearson](https://www.davep.org/); it is
+    Free Software and can be [found on
+    GitHub](https://github.com/davep/peplum).
+    """
+    HELP_LICENSE = """
+    Peplum - The PEP lookup manager for the terminal.  \n    Copyright (C) 2025 Dave Pearson
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the Free
+    Software Foundation, either version 3 of the License, or (at your option)
+    any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see <https://www.gnu.org/licenses/>.
+    """
+
     COMMANDS = set()
 
     def __init__(self) -> None:

src/peplum/app/screens/main.py

@@ -19,6 +19,7 @@
 ##############################################################################
 # Textual enhanced imports.
 from textual_enhanced.commands import Command, CommandsProvider
+from textual_enhanced.dialogs import HelpScreen
 
 ##############################################################################
 # Local imports.
@@ -78,7 +79,6 @@
     TypeCommands,
 )
 from ..widgets import Navigation, PEPDetails, PEPsView
-from .help import HelpScreen
 from .notes_editor import NotesEditor
 from .pep_viewer import PEPViewer
 from .search_input import SearchInput