Fix: Konsolenfenster bei Subprozessen unter Windows unterdrückt (v1.6.3)

subprocess.CREATE_NO_WINDOW-Flag in transform.py und worker_pool_base.py
gesetzt, damit beim Start aus einer PyInstaller-EXE keine Konsolenfenster
für Saxon, FOP und diff-pdf erscheinen.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/transform.py

@@ -9,10 +9,14 @@ Dieses Modul implementiert die Transformations-Pipeline:
 
 import logging
 import subprocess
+import sys
 from pathlib import Path
 from datetime import datetime
 from typing import Any, Optional, TYPE_CHECKING
 
+# Verhindert Konsolenfenster bei Subprozessen in PyInstaller-EXE (Windows)
+_SUBPROCESS_FLAGS = subprocess.CREATE_NO_WINDOW if sys.platform == "win32" else 0
+
 if TYPE_CHECKING:
     from saxon_pool import SaxonWorkerPool
     from saxon_pool_s9api import SaxonWorkerPoolS9Api
@@ -293,6 +297,7 @@ class TransformationJob:
                 capture_output=True,
                 text=True,
                 timeout=120,  # 2 Minuten Timeout
+                creationflags=_SUBPROCESS_FLAGS,
             )
 
             # Saxon Ausgaben loggen
@@ -409,6 +414,7 @@ class TransformationJob:
                 capture_output=True,
                 text=True,
                 timeout=180,  # 3 Minuten Timeout
+                creationflags=_SUBPROCESS_FLAGS,
             )
 
             # Apache FOP Ausgaben loggen
@@ -488,6 +494,7 @@ class TransformationJob:
                 capture_output=True,
                 text=True,
                 timeout=60,  # 1 Minute Timeout
+                creationflags=_SUBPROCESS_FLAGS,
             )
 
             if result.returncode == 0:
@@ -523,6 +530,7 @@ class TransformationJob:
                     capture_output=True,
                     text=True,
                     timeout=90,  # 1.5 Minuten Timeout
+                    creationflags=_SUBPROCESS_FLAGS,
                 )
 
                 if result_diff.returncode == 0 or self.diff_pdf.exists():

src/worker_pool_base.py

@@ -17,6 +17,9 @@ from abc import ABC, abstractmethod
 from pathlib import Path
 from typing import Optional
 
+# Verhindert Konsolenfenster bei Subprozessen in PyInstaller-EXE (Windows)
+_SUBPROCESS_FLAGS = subprocess.CREATE_NO_WINDOW if sys.platform == "win32" else 0
+
 import psutil
 
 from worker_metrics import WorkerPoolMetrics
@@ -133,7 +136,7 @@ class BaseWorkerPool(ABC):
 
             logger.debug(f"Kompiliere {self._java_class_name}: {' '.join(javac_cmd[:3])}...")
 
-            result = subprocess.run(javac_cmd, capture_output=True, text=True, timeout=30)
+            result = subprocess.run(javac_cmd, capture_output=True, text=True, timeout=30, creationflags=_SUBPROCESS_FLAGS)
             if result.returncode != 0:
                 raise RuntimeError(f"Java-Kompilierung fehlgeschlagen: {result.stderr}")
 
@@ -174,6 +177,7 @@ class BaseWorkerPool(ABC):
                     stderr=stderr_file,
                     text=True,
                     bufsize=1,
+                    creationflags=_SUBPROCESS_FLAGS,
                 )
 
                 self.workers.append(process)