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import win32api
import win32con
import 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)