Simplify build: use pyinstaller directly, add better error handling

.github/workflows/build-windows.yml

@@ -24,22 +24,12 @@ jobs:
     
     - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip
+        python -m pip install --upgrade pip setuptools wheel
         pip install -r requirements_windows.txt
     
-    - name: Verify build setup
-      run: |
-        echo "Python version:"
-        python --version
-        echo "Installed packages:"
-        pip list
-        echo "Current directory:"
-        cd %CD%
-        echo "Files in directory:"
-        dir /B
-    
     - name: Build executable with PyInstaller
-      run: python build_exe.py
+      run: |
+        pyinstaller label_printer_gui.py --onefile --windowed --name=LabelPrinter --distpath=./dist --buildpath=./build --hidden-import=kivy --hidden-import=kivy.core.window --hidden-import=kivy.core.text --hidden-import=kivy.core.image --hidden-import=kivy.uix.boxlayout --hidden-import=kivy.uix.gridlayout --hidden-import=kivy.uix.label --hidden-import=kivy.uix.textinput --hidden-import=kivy.uix.button --hidden-import=kivy.uix.spinner --hidden-import=kivy.uix.scrollview --hidden-import=kivy.uix.popup --hidden-import=kivy.clock --hidden-import=kivy.graphics --hidden-import=PIL --hidden-import=barcode --hidden-import=reportlab --hidden-import=print_label --hidden-import=print_label_pdf
     
     - name: Upload Windows executable as artifact
       uses: actions/upload-artifact@v4

build_exe.py

@@ -7,14 +7,14 @@ If run on Linux/macOS, it will create a Linux/macOS binary that won't work on Wi
 
 To build for Windows:
 1. Copy this project to a Windows machine
-2. Install dependencies: pip install -r requirements_gui.txt
+2. Install dependencies: pip install -r requirements_windows.txt
 3. Run this script: python build_exe.py
 4. The Windows .exe will be created in the dist/ folder
 """
 
 import os
 import sys
-from PyInstaller import __main__ as pyi_main
+import subprocess
 
 # Get the current directory
 script_dir = os.path.dirname(os.path.abspath(__file__))
@@ -58,8 +58,9 @@ if __name__ == '__main__':
     # Change to script directory
     os.chdir(script_dir)
     
-    # Run PyInstaller
+    # Run PyInstaller directly with subprocess for better error reporting
-    pyi_main.run(args)
+    try:
+        result = subprocess.run(['pyinstaller'] + args, check=True)
         
         print("\n" + "=" * 60)
         print("Build Complete!")
@@ -70,3 +71,13 @@ if __name__ == '__main__':
         print("2. Share the exe with others")
         print("3. Create a shortcut on desktop")
         print("\nNote: First run may take a moment as Kivy initializes")
+    except subprocess.CalledProcessError as e:
+        print("\n" + "=" * 60)
+        print("Build Failed!")
+        print("=" * 60)
+        print(f"\nError code: {e.returncode}")
+        print("\nPlease check the error messages above for details.")
+        sys.exit(1)
+    except Exception as e:
+        print(f"\nFatal error: {e}")
+        sys.exit(1)