Add: fake module PIL for webui (#4374)

* Add: fake module PIL for webui

* Fix: Load runtime before module PIL

* Upd: Error message of MAA loading failure

* Upd: Adjust timing of import fake module

module/webui/process_manager.py

@@ -1,6 +1,7 @@
-import argparse
 import os
+import sys
 import queue
+import argparse
 import threading
 from multiprocessing import Process
 from typing import Dict, List, Union
@@ -9,6 +10,12 @@ import inflection
 from filelock import FileLock
 from rich.console import Console, ConsoleRenderable
 
+# Since this file does not run under the same process or subprocess of app.py
+# the following code needs to be repeated
+# Import fake module before import pywebio to avoid importing unnecessary module PIL
+from module.webui.fake_pil_module import *
+import_fake_pil_module()
+
 from module.config.utils import filepath_config
 from module.logger import logger, set_file_logger, set_func_logger
 from module.submodule.submodule import load_mod
@@ -141,6 +148,9 @@ class ProcessManager:
 
         from module.config.config import AzurLaneConfig
 
+        # Remove fake PIL module, because subprocess will use it
+        remove_fake_pil_module()
+
         AzurLaneConfig.stop_event = e
         try:
             # Run alas