Uploaded Test files

venv/Lib/site-packages/win32comext/shell/demos/servers/icon_handler.py

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+# A sample icon handler.  Sets the icon for Python files to a random
+# ICO file.  ICO files are found in the Python directory - generally there will
+# be 3 icons found.
+#
+# To demostrate:
+# * Execute this script to register the context menu.
+# * Open Windows Explorer, and browse to a directory with a .py file.
+# * Note the pretty, random selection of icons!
+import sys, os
+import pythoncom
+from win32com.shell import shell, shellcon
+import win32gui
+import win32con
+import winerror
+
+# Use glob to locate ico files, and random.choice to pick one.
+import glob, random
+ico_files = glob.glob(os.path.join(sys.prefix, "*.ico"))
+if not ico_files:
+    ico_files = glob.glob(os.path.join(sys.prefix, "PC", "*.ico"))
+if not ico_files:
+    print("WARNING: Can't find any icon files")
+    
+# Our shell extension.
+IExtractIcon_Methods = "Extract GetIconLocation".split()
+IPersistFile_Methods = "IsDirty Load Save SaveCompleted GetCurFile".split()
+
+class ShellExtension:
+    _reg_progid_ = "Python.ShellExtension.IconHandler"
+    _reg_desc_ = "Python Sample Shell Extension (icon handler)"
+    _reg_clsid_ = "{a97e32d7-3b78-448c-b341-418120ea9227}"
+    _com_interfaces_ = [shell.IID_IExtractIcon, pythoncom.IID_IPersistFile]
+    _public_methods_ = IExtractIcon_Methods + IPersistFile_Methods
+    
+    def Load(self, filename, mode):
+        self.filename = filename
+        self.mode = mode
+
+    def GetIconLocation(self, flags):
+        # note - returning a single int will set the HRESULT (eg, S_FALSE,
+        # E_PENDING - see MS docs for details.
+        return random.choice(ico_files), 0, 0
+
+    def Extract(self, fname, index, size):
+        return winerror.S_FALSE
+
+def DllRegisterServer():
+    import winreg
+    key = winreg.CreateKey(winreg.HKEY_CLASSES_ROOT,
+                            "Python.File\\shellex")
+    subkey = winreg.CreateKey(key, "IconHandler")
+    winreg.SetValueEx(subkey, None, 0, winreg.REG_SZ, ShellExtension._reg_clsid_)
+    print(ShellExtension._reg_desc_, "registration complete.")
+
+def DllUnregisterServer():
+    import winreg
+    try:
+        key = winreg.DeleteKey(winreg.HKEY_CLASSES_ROOT,
+                                "Python.File\\shellex\\IconHandler")
+    except WindowsError as details:
+        import errno
+        if details.errno != errno.ENOENT:
+            raise
+    print(ShellExtension._reg_desc_, "unregistration complete.")
+
+if __name__=='__main__':
+    from win32com.server import register
+    register.UseCommandLine(ShellExtension,
+                   finalize_register = DllRegisterServer,
+                   finalize_unregister = DllUnregisterServer)