71 lines
2.8 KiB
Python
71 lines
2.8 KiB
Python
# A sample shell copy hook.
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# To demostrate:
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# * Execute this script to register the context menu.
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# * Open Windows Explorer
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# * Attempt to move or copy a directory.
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# * Note our hook's dialog is displayed.
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import sys, os
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import pythoncom
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from win32com.shell import shell, shellcon
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import win32gui
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import win32con
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import winerror
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# Our shell extension.
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class ShellExtension:
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_reg_progid_ = "Python.ShellExtension.CopyHook"
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_reg_desc_ = "Python Sample Shell Extension (copy hook)"
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_reg_clsid_ = "{1845b6ba-2bbd-4197-b930-46d8651497c1}"
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_com_interfaces_ = [shell.IID_ICopyHook]
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_public_methods_ = ["CopyCallBack"]
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def CopyCallBack(self, hwnd, func, flags,
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srcName, srcAttr, destName, destAttr):
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# This function should return:
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# IDYES Allows the operation.
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# IDNO Prevents the operation on this folder but continues with any other operations that have been approved (for example, a batch copy operation).
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# IDCANCEL Prevents the current operation and cancels any pending operations.
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print("CopyCallBack", hwnd, func, flags, srcName, srcAttr, destName, destAttr)
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return win32gui.MessageBox(hwnd, "Allow operation?", "CopyHook",
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win32con.MB_YESNO)
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def DllRegisterServer():
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import winreg
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key = winreg.CreateKey(winreg.HKEY_CLASSES_ROOT,
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"directory\\shellex\\CopyHookHandlers\\" +
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ShellExtension._reg_desc_)
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winreg.SetValueEx(key, None, 0, winreg.REG_SZ, ShellExtension._reg_clsid_)
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key = winreg.CreateKey(winreg.HKEY_CLASSES_ROOT,
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"*\\shellex\\CopyHookHandlers\\" +
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ShellExtension._reg_desc_)
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winreg.SetValueEx(key, None, 0, winreg.REG_SZ, ShellExtension._reg_clsid_)
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print(ShellExtension._reg_desc_, "registration complete.")
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def DllUnregisterServer():
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import winreg
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try:
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key = winreg.DeleteKey(winreg.HKEY_CLASSES_ROOT,
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"directory\\shellex\\CopyHookHandlers\\" +
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ShellExtension._reg_desc_)
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except WindowsError as details:
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import errno
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if details.errno != errno.ENOENT:
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raise
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try:
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key = winreg.DeleteKey(winreg.HKEY_CLASSES_ROOT,
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"*\\shellex\\CopyHookHandlers\\" +
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ShellExtension._reg_desc_)
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except WindowsError as details:
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import errno
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if details.errno != errno.ENOENT:
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raise
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print(ShellExtension._reg_desc_, "unregistration complete.")
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if __name__=='__main__':
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from win32com.server import register
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register.UseCommandLine(ShellExtension,
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finalize_register = DllRegisterServer,
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finalize_unregister = DllUnregisterServer)
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#!/usr/bin/env python
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