Gate Windows Utils

salt/utils/win_functions.py

@@ -22,12 +22,12 @@ except ImportError:
     HAS_WIN32 = False
 
 
+# Although utils are often directly imported, it is also possible to use the
+# loader.
 def __virtual__():
     '''
-    Load only on Windows with necessary modules
+    Only load if Win32 Libraries are installed
     '''
-    if not salt.utils.is_windows():
-        return False, 'This utility only works on Windows'
     if not HAS_WIN32:
         return False, 'This utility requires pywin32'
 

salt/utils/win_osinfo.py

@@ -1,14 +1,32 @@
 # -*- coding: utf-8 -*-
 '''
-Get Versioning information from Windows
+Get Version information from Windows
 '''
 # http://stackoverflow.com/questions/32300004/python-ctypes-getting-0-with-getversionex-function
 from __future__ import absolute_import
 
+# Import Third Party Libs
 import ctypes
-from ctypes.wintypes import BYTE, WORD, DWORD, WCHAR
+try:
+    from ctypes.wintypes import BYTE, WORD, DWORD, WCHAR
+    HAS_WIN32 = True
+except (ImportError, ValueError):
+    HAS_WIN32 = False
 
-kernel32 = ctypes.WinDLL('kernel32', use_last_error=True)
+if HAS_WIN32:
+    kernel32 = ctypes.WinDLL('kernel32', use_last_error=True)
+
+
+# Although utils are often directly imported, it is also possible to use the
+# loader.
+def __virtual__():
+    '''
+    Only load if Win32 Libraries are installed
+    '''
+    if not HAS_WIN32:
+        return False, 'This utility requires pywin32'
+
+    return 'win_osinfo'
 
 
 class OSVERSIONINFO(ctypes.Structure):
@@ -38,8 +56,9 @@ def errcheck_bool(result, func, args):
         raise ctypes.WinError(ctypes.get_last_error())
     return args
 
-kernel32.GetVersionExW.errcheck = errcheck_bool
-kernel32.GetVersionExW.argtypes = (ctypes.POINTER(OSVERSIONINFO),)
+if HAS_WIN32:
+    kernel32.GetVersionExW.errcheck = errcheck_bool
+    kernel32.GetVersionExW.argtypes = (ctypes.POINTER(OSVERSIONINFO),)
 
 
 def get_os_version_info():

salt/utils/win_runas.py

@@ -27,20 +27,20 @@ try:
 except ImportError:
     HAS_WIN32 = False
 
-# Import Salt Libs
-import salt.utils
-
 # Set up logging
 log = logging.getLogger(__name__)
 
 
+# Although utils are often directly imported, it is also possible to use the
+# loader.
 def __virtual__():
     '''
-    Load only on Windows
+    Only load if Win32 Libraries are installed
     '''
-    if salt.utils.is_windows() and HAS_WIN32:
-        return 'win_runas'
-    return False
+    if not HAS_WIN32:
+        return False, 'This utility requires pywin32'
+
+    return 'win_runas'
 
 
 if HAS_WIN32:

salt/utils/winservice.py

@@ -8,10 +8,26 @@ from os.path import splitext, abspath
 from sys import modules
 
 # Import third party libs
-import win32serviceutil
-import win32service
-import win32event
-import win32api
+try:
+    import win32serviceutil
+    import win32service
+    import win32event
+    import win32api
+    HAS_WIN32 = True
+except ImportError:
+    HAS_WIN32 = False
+
+
+# Although utils are often directly imported, it is also possible to use the
+# loader.
+def __virtual__():
+    '''
+    Only load if Win32 Libraries are installed
+    '''
+    if not HAS_WIN32:
+        return False, 'This utility requires pywin32'
+
+    return 'winservice'
 
 
 class Service(win32serviceutil.ServiceFramework):