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import win32api, win32con, win32transaction
keyname='Pywin32 test transacted registry functions'
subkeyname='test transacted subkey'
classname='Transacted Class'
trans=win32transaction.CreateTransaction(Description='test RegCreateKeyTransacted')
key, disp=win32api.RegCreateKeyEx(win32con.HKEY_CURRENT_USER, keyname,
samDesired=win32con.KEY_ALL_ACCESS, Class=classname)
## clean up any existing keys
for subk in win32api.RegEnumKeyExW(key):
win32api.RegDeleteKey(key, subk[0])
## reopen key in transacted mode
transacted_key=win32api.RegOpenKeyTransacted(Key=win32con.HKEY_CURRENT_USER, SubKey=keyname,
Transaction=trans, samDesired=win32con.KEY_ALL_ACCESS)
subkey, disp=win32api.RegCreateKeyEx(transacted_key, subkeyname, Transaction=trans,
samDesired=win32con.KEY_ALL_ACCESS, Class=classname)
## Newly created key should not be visible from non-transacted handle
subkeys=[s[0] for s in win32api.RegEnumKeyExW(key)]
assert subkeyname not in subkeys
transacted_subkeys=[s[0] for s in win32api.RegEnumKeyExW(transacted_key)]
assert subkeyname in transacted_subkeys
## Key should be visible to non-transacted handle after commit
win32transaction.CommitTransaction(trans)
subkeys=[s[0] for s in win32api.RegEnumKeyExW(key)]
assert subkeyname in subkeys
## test transacted delete
del_trans=win32transaction.CreateTransaction(Description='test RegDeleteKeyTransacted')
win32api.RegDeleteKeyEx(key, subkeyname, Transaction=del_trans)
## subkey should still show up for non-transacted handle
subkeys=[s[0] for s in win32api.RegEnumKeyExW(key)]
assert subkeyname in subkeys
## ... and should be gone after commit
win32transaction.CommitTransaction(del_trans)
subkeys=[s[0] for s in win32api.RegEnumKeyExW(key)]
assert subkeyname not in subkeys
win32api.RegDeleteKey(win32con.HKEY_CURRENT_USER, keyname)