Add network printer detection on Windows: support printers from print servers

build_windows.bat

@@ -39,8 +39,8 @@ echo.
 
 REM Install dependencies
 echo [3/5] Installing dependencies...
-echo Installing: python-barcode, pillow, reportlab, kivy, pyinstaller...
-pip install python-barcode pillow reportlab kivy==2.3.1 pyinstaller==6.18.0
+echo Installing: python-barcode, pillow, reportlab, kivy, pyinstaller, pywin32, wmi...
+pip install python-barcode pillow reportlab kivy==2.2.1 pyinstaller==6.1.0 pywin32 wmi
 if errorlevel 1 (
     echo ERROR: Failed to install dependencies
     pause

build_windows.ps1

@@ -38,8 +38,8 @@ if ($LASTEXITCODE -ne 0) {
 Write-Host ""
 
 Write-Host "[3/5] Installing dependencies..." -ForegroundColor Cyan
-Write-Host "Installing: python-barcode, pillow, reportlab, kivy, pyinstaller..."
-pip install python-barcode pillow reportlab kivy==2.3.1 pyinstaller==6.18.0
+Write-Host "Installing: python-barcode, pillow, reportlab, kivy, pyinstaller, pywin32, wmi..."
+pip install python-barcode pillow reportlab kivy==2.2.1 pyinstaller==6.1.0 pywin32 wmi
 if ($LASTEXITCODE -ne 0) {
     Write-Host "ERROR: Failed to install dependencies" -ForegroundColor Red
     Read-Host "Press Enter to exit"

print_label.py

@@ -28,6 +28,7 @@ SYSTEM = platform.system()  # 'Linux', 'Windows', 'Darwin'
 def get_available_printers():
     """
     Get list of available printers (cross-platform).
+    Includes both local and network printers on Windows.
     
     Returns:
         list: List of available printer names, with "PDF" as fallback
@@ -40,14 +41,46 @@ def get_available_printers():
             return list(printers.keys()) if printers else ["PDF"]
         
         elif SYSTEM == "Windows":
-            # Windows: Try win32print first
+            # Windows: Get both local and network printers
             try:
                 printers = []
-                for printer_name in win32print.EnumPrinters(win32print.PRINTER_ENUM_LOCAL):
-                    printers.append(printer_name[2])
+                
+                # Get local printers
+                try:
+                    for printer_info in win32print.EnumPrinters(win32print.PRINTER_ENUM_LOCAL):
+                        printer_name = printer_info[2]
+                        if printer_name and printer_name not in printers:
+                            printers.append(printer_name)
+                except:
+                    pass
+                
+                # Get network printers from print server
+                try:
+                    for printer_info in win32print.EnumPrinters(win32print.PRINTER_ENUM_NETWORK):
+                        printer_name = printer_info[2]
+                        if printer_name and printer_name not in printers:
+                            printers.append(printer_name)
+                except:
+                    pass
+                
+                # Get connected printers (alternative method using WMI)
+                try:
+                    import wmi
+                    c = wmi.WMI()
+                    for printer in c.Win32_Printer():
+                        printer_name = printer.Name
+                        if printer_name and printer_name not in printers:
+                            printers.append(printer_name)
+                except:
+                    pass
+                
+                # Add PDF as fallback option
+                if "PDF" not in printers:
+                    printers.append("PDF")
+                
                 return printers if printers else ["PDF"]
-            except:
-                # Fallback for Windows if win32print fails
+            except Exception as e:
+                print(f"Error getting Windows printers: {e}")
                 return ["PDF"]
         
         elif SYSTEM == "Darwin":

requirements_windows.txt

@@ -3,3 +3,5 @@ pillow
 kivy>=2.1.0
 reportlab
 pyinstaller>=6.0.0
+pywin32
+wmi