Alpha6 barcode non scaffalate e bypass login

runtime_support.py

@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 import sys
+import threading
 import traceback
 from datetime import datetime
 from pathlib import Path
@@ -17,6 +18,7 @@ BASE_DIR = Path(__file__).resolve().parent
 FATAL_LOG = BASE_DIR / "warehouse_fatal.log"
 TEMP_DIR = Path(tempfile.gettempdir())
 _STDIO_HANDLES = []
+_EXCEPTION_LOGGING_CONFIGURED: set[str] = set()
 T = TypeVar("T")
 
 
@@ -55,6 +57,85 @@ def log_fatal(app_name: str, exc: BaseException) -> None:
         handle.write("".join(traceback.format_exception(type(exc), exc, exc.__traceback__)))
 
 
+def log_exception(app_name: str, exc: BaseException, *, context: str = "") -> None:
+    """Write a handled or callback exception to the persistent fatal log."""
+
+    with _open_log_file(FATAL_LOG) as handle:
+        handle.write("\n" + "=" * 80 + "\n")
+        handle.write(f"{datetime.now():%Y-%m-%d %H:%M:%S} | {app_name}")
+        if context:
+            handle.write(f" | {context}")
+        handle.write("\n")
+        handle.write("".join(traceback.format_exception(type(exc), exc, exc.__traceback__)))
+
+
+def configure_exception_logging(app_name: str, root=None, loop=None) -> None:
+    """Install process, Tk and asyncio exception hooks for console-less apps."""
+
+    if app_name in _EXCEPTION_LOGGING_CONFIGURED:
+        return
+    _EXCEPTION_LOGGING_CONFIGURED.add(app_name)
+
+    previous_excepthook = sys.excepthook
+
+    def _sys_excepthook(exc_type, exc, tb):
+        log_exception(app_name, exc, context="sys.excepthook")
+        if previous_excepthook:
+            previous_excepthook(exc_type, exc, tb)
+
+    sys.excepthook = _sys_excepthook
+
+    if hasattr(threading, "excepthook"):
+        previous_threading_excepthook = threading.excepthook
+
+        def _threading_excepthook(args):
+            log_exception(app_name, args.exc_value, context=f"thread={getattr(args.thread, 'name', '')}")
+            previous_threading_excepthook(args)
+
+        threading.excepthook = _threading_excepthook
+
+    if root is not None:
+        def _tk_exception(exc_type, exc, tb):
+            log_exception(app_name, exc, context="tkinter callback")
+            try:
+                import tkinter.messagebox as messagebox
+
+                messagebox.showerror(
+                    app_name,
+                    "Errore applicativo registrato nei log.\n\n"
+                    "Se l'operazione era in corso, ripeterla o avvisare il responsabile.",
+                    parent=root,
+                )
+            except Exception:
+                pass
+
+        try:
+            root.report_callback_exception = _tk_exception
+        except Exception:
+            pass
+
+    if loop is not None:
+        previous_loop_handler = None
+        try:
+            previous_loop_handler = loop.get_exception_handler()
+        except Exception:
+            previous_loop_handler = None
+
+        def _loop_exception_handler(active_loop, context):
+            exc = context.get("exception")
+            if exc is not None:
+                log_exception(app_name, exc, context=f"asyncio: {context.get('message', '')}")
+            else:
+                log_runtime_event(app_name, f"ASYNCIO {context!r}")
+            if previous_loop_handler is not None:
+                previous_loop_handler(active_loop, context)
+
+        try:
+            loop.set_exception_handler(_loop_exception_handler)
+        except Exception:
+            pass
+
+
 def log_runtime_event(app_name: str, message: str) -> None:
     """Write a lightweight launch/shutdown trace for console-less starts."""