From ef70a1eefbf7020a0c927c4548944933db380adb Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 1 Dec 2023 22:48:01 +0530
Subject: [PATCH] Make timed_print() re-useable

---
 src/calibre/gui2/__init__.py |  9 +++++++++
 src/calibre/gui2/main.py     | 26 +++++++++++---------------
 2 files changed, 20 insertions(+), 15 deletions(-)

diff --git a/src/calibre/gui2/__init__.py b/src/calibre/gui2/__init__.py
index 497f999425..801fdc1330 100644
--- a/src/calibre/gui2/__init__.py
+++ b/src/calibre/gui2/__init__.py
@@ -1667,3 +1667,12 @@ def make_view_use_window_background(view):
     p.setColor(QPalette.ColorRole.AlternateBase, p.color(QPalette.ColorRole.Window))
     view.setPalette(p)
     return view
+
+
+def timed_print(*a, **kw):
+    if not DEBUG:
+        return
+    from time import monotonic
+    if not hasattr(timed_print, 'startup_time'):
+        timed_print.startup_time = monotonic()
+    print(f'[{monotonic() - timed_print.startup_time:.2f}]', *a, **kw)
diff --git a/src/calibre/gui2/main.py b/src/calibre/gui2/main.py
index 4bac4770c5..54f849fc0f 100644
--- a/src/calibre/gui2/main.py
+++ b/src/calibre/gui2/main.py
@@ -17,7 +17,7 @@ from calibre.constants import (
 )
 from calibre.gui2 import (
     Application, choose_dir, error_dialog, gprefs, initialize_file_icon_provider,
-    question_dialog, setup_gui_option_parser,
+    question_dialog, setup_gui_option_parser, timed_print,
 )
 from calibre.gui2.listener import send_message_in_process
 from calibre.gui2.main_window import option_parser as _option_parser
@@ -235,7 +235,7 @@ class GuiRunner(QObject):
 
     def __init__(self, opts, args, actions, app, gui_debug=None):
         self.startup_time = monotonic()
-        self.timed_print('Starting up...')
+        timed_print('Starting up...')
         self.opts, self.args, self.app = opts, args, app
         self.gui_debug = gui_debug
         self.actions = actions
@@ -244,13 +244,9 @@ class GuiRunner(QObject):
         self.splash_screen = None
         self.timer = QTimer.singleShot(1, self.initialize)
 
-    def timed_print(self, *a, **kw):
-        if DEBUG:
-            prints(f'[{monotonic() - self.startup_time:.2f}]', *a, **kw)
-
     def start_gui(self, db):
         from calibre.gui2.ui import Main
-        self.timed_print('Constructing main UI...')
+        timed_print('Constructing main UI...')
         if self.splash_screen is not None:
             self.splash_screen.show_message(_('Initializing user interface...'))
         main = self.main = Main(self.opts, gui_debug=self.gui_debug)
@@ -258,13 +254,13 @@ class GuiRunner(QObject):
             with gprefs:  # Only write gui.json after initialization is complete
                 main.initialize(self.library_path, db, self.actions)
         finally:
-            self.timed_print('main UI initialized...')
+            timed_print('main UI initialized...')
             if self.splash_screen is not None:
-                self.timed_print('Hiding splash screen')
+                timed_print('Hiding splash screen')
                 self.splash_screen.finish(main)
-                self.timed_print('splash screen hidden')
+                timed_print('splash screen hidden')
             self.splash_screen = None
-        self.timed_print('Started up in %.2f seconds'%(monotonic() - self.startup_time), 'with', len(db.data), 'books')
+        timed_print('Started up in %.2f seconds'%(monotonic() - self.startup_time), 'with', len(db.data), 'books')
         main.set_exception_handler()
         if len(self.args) > 1:
             main.handle_cli_args(self.args[1:])
@@ -311,7 +307,7 @@ class GuiRunner(QObject):
                     det_msg=traceback.format_exc())
                 self.initialization_failed()
 
-        self.timed_print('db initialized')
+        timed_print('db initialized')
         try:
             self.start_gui(db)
         except Exception:
@@ -326,7 +322,7 @@ class GuiRunner(QObject):
     def initialize_db(self):
         from calibre.db.legacy import LibraryDatabase
         db = None
-        self.timed_print('Initializing db...')
+        timed_print('Initializing db...')
         try:
             db = LibraryDatabase(self.library_path)
         except apsw.Error:
@@ -359,11 +355,11 @@ class GuiRunner(QObject):
         self.initialize_db_stage2(db, None)
 
     def show_splash_screen(self):
-        self.timed_print('Showing splash screen...')
+        timed_print('Showing splash screen...')
         self.splash_screen = SplashScreen()
         self.splash_screen.show()
         self.splash_screen.show_message(_('Starting %s: Loading books...') % __appname__)
-        self.timed_print('splash screen shown')
+        timed_print('splash screen shown')
 
     def hide_splash_screen(self):
         if self.splash_screen is not None: