from pypy.interpreter.baseobjspace import Wrappable from pypy.interpreter.baseobjspace import ObjSpace, W_Root from pypy.interpreter.gateway import interp2app from pypy.interpreter.typedef import TypeDef from pypy.interpreter.error import OperationError from pypy.rpython.lltypesystem import rffi, lltype from pypy.rlib import rwinreg, rwin32 def raiseWindowsError(space, errcode, context): message = rwin32.FormatError(errcode) raise OperationError(space.w_WindowsError, space.newtuple([space.wrap(errcode), space.wrap(message)])) class W_HKEY(Wrappable): def __init__(self, hkey): self.hkey = hkey def descr_del(self, space): self.Close(space) descr_del.unwrap_spec = ['self', ObjSpace] def descr_nonzero(self, space): return space.wrap(self.hkey != 0) descr_nonzero.unwrap_spec = ['self', ObjSpace] def descr_repr(self, space): return space.wrap("" % (self.hkey,)) descr_repr.unwrap_spec = ['self', ObjSpace] def descr_int(self, space): return space.wrap(self.hkey) descr_int.unwrap_spec = ['self', ObjSpace] def Close(self, space): """key.Close() - Closes the underlying Windows handle. If the handle is already closed, no error is raised.""" CloseKey(space, self) Close.unwrap_spec = ['self', ObjSpace] def Detach(self, space): """int = key.Detach() - Detaches the Windows handle from the handle object. The result is the value of the handle before it is detached. If the handle is already detached, this will return zero. After calling this function, the handle is effectively invalidated, but the handle is not closed. You would call this function when you need the underlying win32 handle to exist beyond the lifetime of the handle object. On 64 bit windows, the result of this function is a long integer""" hkey = self.hkey self.hkey = 0 return space.wrap(hkey) Detach.unwrap_spec = ['self', ObjSpace] def new_HKEY(space, w_subtype, hkey): return space.wrap(W_HKEY(hkey)) descr_HKEY_new = interp2app(new_HKEY, unwrap_spec=[ObjSpace, W_Root, int]) W_HKEY.typedef = TypeDef( "_winreg.HKEYType", __doc__ = """\ PyHKEY Object - A Python object, representing a win32 registry key. This object wraps a Windows HKEY object, automatically closing it when the object is destroyed. To guarantee cleanup, you can call either the Close() method on the PyHKEY, or the CloseKey() method. All functions which accept a handle object also accept an integer - however, use of the handle object is encouraged. Functions: Close() - Closes the underlying handle. Detach() - Returns the integer Win32 handle, detaching it from the object Properties: handle - The integer Win32 handle. Operations: __nonzero__ - Handles with an open object return true, otherwise false. __int__ - Converting a handle to an integer returns the Win32 handle. __cmp__ - Handle objects are compared using the handle value.""", __new__ = descr_HKEY_new, __del__ = interp2app(W_HKEY.descr_del), __repr__ = interp2app(W_HKEY.descr_repr), __int__ = interp2app(W_HKEY.descr_int), __nonzero__ = interp2app(W_HKEY.descr_nonzero), Close = interp2app(W_HKEY.Close), Detach = interp2app(W_HKEY.Detach), ) def hkey_w(w_hkey, space): if space.is_w(w_hkey, space.w_None): errstring = space.wrap("None is not a valid HKEY in this context") raise OperationError(space.w_TypeError, errstring) elif isinstance(w_hkey, W_HKEY): return w_hkey.hkey elif space.is_true(space.isinstance(w_hkey, space.w_int)): return space.int_w(w_hkey) elif space.is_true(space.isinstance(w_hkey, space.w_long)): return space.uint_w(w_hkey) else: errstring = space.wrap("The object is not a PyHKEY object") raise OperationError(space.w_TypeError, errstring) def CloseKey(space, w_hkey): """CloseKey(hkey) - Closes a previously opened registry key. The hkey argument specifies a previously opened key. Note that if the key is not closed using this method, it will be closed when the hkey object is destroyed by Python.""" hkey = hkey_w(w_hkey, space) if hkey: ret = rwinreg.RegCloseKey(hkey) if ret != 0: raiseWindowsError(space, ret, 'RegCloseKey') CloseKey.unwrap_spec = [ObjSpace, W_Root] def FlushKey(space, w_hkey): """FlushKey(key) - Writes all the attributes of a key to the registry. key is an already open key, or any one of the predefined HKEY_* constants. It is not necessary to call RegFlushKey to change a key. Registry changes are flushed to disk by the registry using its lazy flusher. Registry changes are also flushed to disk at system shutdown. Unlike CloseKey(), the FlushKey() method returns only when all the data has been written to the registry. An application should only call FlushKey() if it requires absolute certainty that registry changes are on disk. If you don't know whether a FlushKey() call is required, it probably isn't.""" hkey = hkey_w(w_hkey, space) if hkey: ret = rwinreg.RegFlushKey(hkey) if ret != 0: raiseWindowsError(space, ret, 'RegFlushKey') FlushKey.unwrap_spec = [ObjSpace, W_Root] def LoadKey(space, w_hkey, subkey, filename): """LoadKey(key, sub_key, file_name) - Creates a subkey under the specified key and stores registration information from a specified file into that subkey. key is an already open key, or any one of the predefined HKEY_* constants. sub_key is a string that identifies the sub_key to load file_name is the name of the file to load registry data from. This file must have been created with the SaveKey() function. Under the file allocation table (FAT) file system, the filename may not have an extension. A call to LoadKey() fails if the calling process does not have the SE_RESTORE_PRIVILEGE privilege. If key is a handle returned by ConnectRegistry(), then the path specified in fileName is relative to the remote computer. The docs imply key must be in the HKEY_USER or HKEY_LOCAL_MACHINE tree""" hkey = hkey_w(w_hkey, space) ret = rwinreg.RegLoadKey(hkey, subkey, filename) if ret != 0: raiseWindowsError(space, ret, 'RegLoadKey') LoadKey.unwrap_spec = [ObjSpace, W_Root, str, str] def SaveKey(space, w_hkey, filename): """SaveKey(key, file_name) - Saves the specified key, and all its subkeys to the specified file. key is an already open key, or any one of the predefined HKEY_* constants. file_name is the name of the file to save registry data to. This file cannot already exist. If this filename includes an extension, it cannot be used on file allocation table (FAT) file systems by the LoadKey(), ReplaceKey() or RestoreKey() methods. If key represents a key on a remote computer, the path described by file_name is relative to the remote computer. The caller of this method must possess the SeBackupPrivilege security privilege. This function passes NULL for security_attributes to the API.""" hkey = hkey_w(w_hkey, space) pSA = 0 ret = rwinreg.RegSaveKey(hkey, filename, None) if ret != 0: raiseWindowsError(space, ret, 'RegSaveKey') SaveKey.unwrap_spec = [ObjSpace, W_Root, str] def SetValue(space, w_hkey, w_subkey, typ, value): """SetValue(key, sub_key, type, value) - Associates a value with a specified key. key is an already open key, or any one of the predefined HKEY_* constants. sub_key is a string that names the subkey with which the value is associated. type is an integer that specifies the type of the data. Currently this must be REG_SZ, meaning only strings are supported. value is a string that specifies the new value. If the key specified by the sub_key parameter does not exist, the SetValue function creates it. Value lengths are limited by available memory. Long values (more than 2048 bytes) should be stored as files with the filenames stored in the configuration registry. This helps the registry perform efficiently. The key identified by the key parameter must have been opened with KEY_SET_VALUE access.""" if typ != rwinreg.REG_SZ: errstring = space.wrap("Type must be _winreg.REG_SZ") raise OperationError(space.w_ValueError, errstring) hkey = hkey_w(w_hkey, space) if space.is_w(w_subkey, space.w_None): subkey = None else: subkey = space.str_w(w_subkey) dataptr = rffi.str2charp(value) try: ret = rwinreg.RegSetValue(hkey, subkey, rwinreg.REG_SZ, dataptr, len(value)) finally: rffi.free_charp(dataptr) if ret != 0: raiseWindowsError(space, ret, 'RegSetValue') SetValue.unwrap_spec = [ObjSpace, W_Root, W_Root, int, str] def QueryValue(space, w_hkey, w_subkey): """string = QueryValue(key, sub_key) - retrieves the unnamed value for a key. key is an already open key, or any one of the predefined HKEY_* constants. sub_key is a string that holds the name of the subkey with which the value is associated. If this parameter is None or empty, the function retrieves the value set by the SetValue() method for the key identified by key. Values in the registry have name, type, and data components. This method retrieves the data for a key's first value that has a NULL name. But the underlying API call doesn't return the type, Lame Lame Lame, DONT USE THIS!!!""" hkey = hkey_w(w_hkey, space) if space.is_w(w_subkey, space.w_None): subkey = None else: subkey = space.str_w(w_subkey) bufsize_p = lltype.malloc(rwin32.PLONG.TO, 1, flavor='raw') try: ret = rwinreg.RegQueryValue(hkey, subkey, None, bufsize_p) if ret != 0: raiseWindowsError(space, ret, 'RegQueryValue') buf = lltype.malloc(rffi.CCHARP.TO, bufsize_p[0], flavor='raw') try: ret = rwinreg.RegQueryValue(hkey, subkey, buf, bufsize_p) if ret != 0: raiseWindowsError(space, ret, 'RegQueryValue') return space.wrap(rffi.charp2strn(buf, bufsize_p[0] - 1)) finally: lltype.free(buf, flavor='raw') finally: lltype.free(bufsize_p, flavor='raw') if ret != 0: raiseWindowsError(space, ret, 'RegQueryValue') QueryValue.unwrap_spec = [ObjSpace, W_Root, W_Root] def convert_to_regdata(space, w_value, typ): buf = None if typ == rwinreg.REG_DWORD: if space.is_true(space.isinstance(w_value, space.w_int)): buflen = rffi.sizeof(rwin32.DWORD) buf1 = lltype.malloc(rffi.CArray(rwin32.DWORD), 1, flavor='raw') buf1[0] = space.uint_w(w_value) buf = rffi.cast(rffi.CCHARP, buf1) elif typ == rwinreg.REG_SZ or typ == rwinreg.REG_EXPAND_SZ: if space.is_w(w_value, space.w_None): buflen = 1 buf = lltype.malloc(rffi.CCHARP.TO, buflen, flavor='raw') buf[0] = '\0' else: if space.is_true(space.isinstance(w_value, space.w_unicode)): w_value = space.call_method(w_value, 'encode', space.wrap('mbcs')) buf = rffi.str2charp(space.str_w(w_value)) buflen = space.int_w(space.len(w_value)) + 1 elif typ == rwinreg.REG_MULTI_SZ: if space.is_w(w_value, space.w_None): buflen = 1 buf = lltype.malloc(rffi.CCHARP.TO, buflen, flavor='raw') buf[0] = '\0' elif space.is_true(space.isinstance(w_value, space.w_list)): strings = [] buflen = 0 # unwrap strings and compute total size w_iter = space.iter(w_value) while True: try: w_item = space.next(w_iter) if space.is_true(space.isinstance(w_item, space.w_unicode)): w_item = space.call_method(w_item, 'encode', space.wrap('mbcs')) item = space.str_w(w_item) strings.append(item) buflen += len(item) + 1 except OperationError, e: if not e.match(space, space.w_StopIteration): raise # re-raise other app-level exceptions break buflen += 1 buf = lltype.malloc(rffi.CCHARP.TO, buflen, flavor='raw') # Now copy data buflen = 0 for string in strings: for i in range(len(string)): buf[buflen + i] = string[i] buflen += len(string) + 1 buf[buflen - 1] = '\0' buflen += 1 buf[buflen - 1] = '\0' else: # REG_BINARY and ALL unknown data types. if space.is_w(w_value, space.w_None): buflen = 0 buf = lltype.malloc(rffi.CCHARP.TO, 1, flavor='raw') buf[0] = '\0' else: value = space.bufferstr_w(w_value) buflen = len(value) buf = rffi.str2charp(value) if buf is not None: return rffi.cast(rffi.CCHARP, buf), buflen errstring = space.wrap("Could not convert the data to the specified type") raise OperationError(space.w_ValueError, errstring) def convert_from_regdata(space, buf, buflen, typ): if typ == rwinreg.REG_DWORD: if not buflen: return space.wrap(0) d = rffi.cast(rwin32.LPDWORD, buf)[0] return space.wrap(d) elif typ == rwinreg.REG_SZ or typ == rwinreg.REG_EXPAND_SZ: if not buflen: return space.wrap("") s = rffi.charp2strn(rffi.cast(rffi.CCHARP, buf), buflen) return space.wrap(s) elif typ == rwinreg.REG_MULTI_SZ: if not buflen: return space.newlist([]) i = 0 l = [] while i < buflen and buf[i]: s = [] while i < buflen and buf[i] != '\0': s.append(buf[i]) i += 1 if len(s) == 0: break s = ''.join(s) l.append(space.wrap(s)) i += 1 return space.newlist(l) else: # REG_BINARY and all other types return space.wrap(rffi.charpsize2str(buf, buflen)) def SetValueEx(space, w_hkey, value_name, w_reserved, typ, w_value): """SetValueEx(key, value_name, reserved, type, value) - Stores data in the value field of an open registry key. key is an already open key, or any one of the predefined HKEY_* constants. value_name is a string containing the name of the value to set, or None type is an integer that specifies the type of the data. This should be one of: REG_BINARY -- Binary data in any form. REG_DWORD -- A 32-bit number. REG_DWORD_LITTLE_ENDIAN -- A 32-bit number in little-endian format. REG_DWORD_BIG_ENDIAN -- A 32-bit number in big-endian format. REG_EXPAND_SZ -- A null-terminated string that contains unexpanded references to environment variables (for example, %PATH%). REG_LINK -- A Unicode symbolic link. REG_MULTI_SZ -- An sequence of null-terminated strings, terminated by two null characters. Note that Python handles this termination automatically. REG_NONE -- No defined value type. REG_RESOURCE_LIST -- A device-driver resource list. REG_SZ -- A null-terminated string. reserved can be anything - zero is always passed to the API. value is a string that specifies the new value. This method can also set additional value and type information for the specified key. The key identified by the key parameter must have been opened with KEY_SET_VALUE access. To open the key, use the CreateKeyEx() or OpenKeyEx() methods. Value lengths are limited by available memory. Long values (more than 2048 bytes) should be stored as files with the filenames stored in the configuration registry. This helps the registry perform efficiently.""" hkey = hkey_w(w_hkey, space) buf, buflen = convert_to_regdata(space, w_value, typ) try: ret = rwinreg.RegSetValueEx(hkey, value_name, 0, typ, buf, buflen) finally: lltype.free(buf, flavor='raw') if ret != 0: raiseWindowsError(space, ret, 'RegSetValueEx') SetValueEx.unwrap_spec = [ObjSpace, W_Root, str, W_Root, int, W_Root] def QueryValueEx(space, w_hkey, subkey): """value,type_id = QueryValueEx(key, value_name) - Retrieves the type and data for a specified value name associated with an open registry key. key is an already open key, or any one of the predefined HKEY_* constants. value_name is a string indicating the value to query""" hkey = hkey_w(w_hkey, space) null_dword = lltype.nullptr(rwin32.LPDWORD.TO) retDataSize = lltype.malloc(rwin32.LPDWORD.TO, 1, flavor='raw') try: ret = rwinreg.RegQueryValueEx(hkey, subkey, null_dword, null_dword, None, retDataSize) if ret != 0: raiseWindowsError(space, ret, 'RegQueryValueEx') databuf = lltype.malloc(rffi.CCHARP.TO, retDataSize[0], flavor='raw') try: retType = lltype.malloc(rwin32.LPDWORD.TO, 1, flavor='raw') try: ret = rwinreg.RegQueryValueEx(hkey, subkey, null_dword, retType, databuf, retDataSize) if ret != 0: raiseWindowsError(space, ret, 'RegQueryValueEx') return space.newtuple([ convert_from_regdata(space, databuf, retDataSize[0], retType[0]), space.wrap(retType[0]), ]) finally: lltype.free(retType, flavor='raw') finally: lltype.free(databuf, flavor='raw') finally: lltype.free(retDataSize, flavor='raw') QueryValueEx.unwrap_spec = [ObjSpace, W_Root, str] def CreateKey(space, w_hkey, subkey): """key = CreateKey(key, sub_key) - Creates or opens the specified key. key is an already open key, or one of the predefined HKEY_* constants sub_key is a string that names the key this method opens or creates. If key is one of the predefined keys, sub_key may be None. In that case, the handle returned is the same key handle passed in to the function. If the key already exists, this function opens the existing key The return value is the handle of the opened key. If the function fails, an exception is raised.""" hkey = hkey_w(w_hkey, space) rethkey = lltype.malloc(rwinreg.PHKEY.TO, 1, flavor='raw') try: ret = rwinreg.RegCreateKey(hkey, subkey, rethkey) if ret != 0: raiseWindowsError(space, ret, 'CreateKey') return space.wrap(W_HKEY(rethkey[0])) finally: lltype.free(rethkey, flavor='raw') CreateKey.unwrap_spec = [ObjSpace, W_Root, str] def DeleteKey(space, w_hkey, subkey): """DeleteKey(key, sub_key) - Deletes the specified key. key is an already open key, or any one of the predefined HKEY_* constants. sub_key is a string that must be a subkey of the key identified by the key parameter. This value must not be None, and the key may not have subkeys. This method can not delete keys with subkeys. If the method succeeds, the entire key, including all of its values, is removed. If the method fails, an EnvironmentError exception is raised.""" hkey = hkey_w(w_hkey, space) ret = rwinreg.RegDeleteKey(hkey, subkey) if ret != 0: raiseWindowsError(space, ret, 'RegDeleteKey') DeleteKey.unwrap_spec = [ObjSpace, W_Root, str] def DeleteValue(space, w_hkey, subkey): """DeleteValue(key, value) - Removes a named value from a registry key. key is an already open key, or any one of the predefined HKEY_* constants. value is a string that identifies the value to remove.""" hkey = hkey_w(w_hkey, space) ret = rwinreg.RegDeleteValue(hkey, subkey) if ret != 0: raiseWindowsError(space, ret, 'RegDeleteValue') DeleteValue.unwrap_spec = [ObjSpace, W_Root, str] def OpenKey(space, w_hkey, subkey, res=0, sam=rwinreg.KEY_READ): """key = OpenKey(key, sub_key, res = 0, sam = KEY_READ) - Opens the specified key. key is an already open key, or any one of the predefined HKEY_* constants. sub_key is a string that identifies the sub_key to open res is a reserved integer, and must be zero. Default is zero. sam is an integer that specifies an access mask that describes the desired security access for the key. Default is KEY_READ The result is a new handle to the specified key If the function fails, an EnvironmentError exception is raised.""" hkey = hkey_w(w_hkey, space) rethkey = lltype.malloc(rwinreg.PHKEY.TO, 1, flavor='raw') try: ret = rwinreg.RegOpenKeyEx(hkey, subkey, res, sam, rethkey) if ret != 0: raiseWindowsError(space, ret, 'RegOpenKeyEx') return space.wrap(W_HKEY(rethkey[0])) finally: lltype.free(rethkey, flavor='raw') OpenKey.unwrap_spec = [ObjSpace, W_Root, str, int, rffi.r_uint] def EnumValue(space, w_hkey, index): """tuple = EnumValue(key, index) - Enumerates values of an open registry key. key is an already open key, or any one of the predefined HKEY_* constants. index is an integer that identifies the index of the value to retrieve. The function retrieves the name of one subkey each time it is called. It is typically called repeatedly, until an EnvironmentError exception is raised, indicating no more values. The result is a tuple of 3 items: value_name is a string that identifies the value. value_data is an object that holds the value data, and whose type depends on the underlying registry type. data_type is an integer that identifies the type of the value data.""" hkey = hkey_w(w_hkey, space) null_dword = lltype.nullptr(rwin32.LPDWORD.TO) retValueSize = lltype.malloc(rwin32.LPDWORD.TO, 1, flavor='raw') try: retDataSize = lltype.malloc(rwin32.LPDWORD.TO, 1, flavor='raw') try: ret = rwinreg.RegQueryInfoKey( hkey, None, null_dword, null_dword, null_dword, null_dword, null_dword, null_dword, retValueSize, retDataSize, null_dword, lltype.nullptr(rwin32.PFILETIME.TO)) if ret != 0: raiseWindowsError(space, ret, 'RegQueryInfoKey') # include null terminators retValueSize[0] += 1 retDataSize[0] += 1 valuebuf = lltype.malloc(rffi.CCHARP.TO, retValueSize[0], flavor='raw') try: databuf = lltype.malloc(rffi.CCHARP.TO, retDataSize[0], flavor='raw') try: retType = lltype.malloc(rwin32.LPDWORD.TO, 1, flavor='raw') try: ret = rwinreg.RegEnumValue( hkey, index, valuebuf, retValueSize, null_dword, retType, databuf, retDataSize) if ret != 0: raiseWindowsError(space, ret, 'RegEnumValue') return space.newtuple([ space.wrap(rffi.charp2str(valuebuf)), convert_from_regdata(space, databuf, retDataSize[0], retType[0]), space.wrap(retType[0]), ]) finally: lltype.free(retType, flavor='raw') finally: lltype.free(databuf, flavor='raw') finally: lltype.free(valuebuf, flavor='raw') finally: lltype.free(retDataSize, flavor='raw') finally: lltype.free(retValueSize, flavor='raw') EnumValue.unwrap_spec = [ObjSpace, W_Root, int] def EnumKey(space, w_hkey, index): """string = EnumKey(key, index) - Enumerates subkeys of an open registry key. key is an already open key, or any one of the predefined HKEY_* constants. index is an integer that identifies the index of the key to retrieve. The function retrieves the name of one subkey each time it is called. It is typically called repeatedly until an EnvironmentError exception is raised, indicating no more values are available.""" hkey = hkey_w(w_hkey, space) null_dword = lltype.nullptr(rwin32.LPDWORD.TO) # max key name length is 255 buf = lltype.malloc(rffi.CCHARP.TO, 256, flavor='raw') try: retValueSize = lltype.malloc(rwin32.LPDWORD.TO, 1, flavor='raw') try: retValueSize[0] = 256 # includes NULL terminator ret = rwinreg.RegEnumKeyEx(hkey, index, buf, retValueSize, null_dword, None, null_dword, lltype.nullptr(rwin32.PFILETIME.TO)) if ret != 0: raiseWindowsError(space, ret, 'RegEnumKeyEx') return space.wrap(rffi.charp2str(buf)) finally: lltype.free(retValueSize, flavor='raw') finally: lltype.free(buf, flavor='raw') EnumKey.unwrap_spec = [ObjSpace, W_Root, int] def QueryInfoKey(space, w_hkey): """tuple = QueryInfoKey(key) - Returns information about a key. key is an already open key, or any one of the predefined HKEY_* constants. The result is a tuple of 3 items: An integer that identifies the number of sub keys this key has. An integer that identifies the number of values this key has. A long integer that identifies when the key was last modified (if available) as 100's of nanoseconds since Jan 1, 1600.""" hkey = hkey_w(w_hkey, space) nSubKeys = lltype.malloc(rwin32.LPDWORD.TO, 1, flavor='raw') try: nValues = lltype.malloc(rwin32.LPDWORD.TO, 1, flavor='raw') try: ft = lltype.malloc(rwin32.PFILETIME.TO, 1, flavor='raw') try: null_dword = lltype.nullptr(rwin32.LPDWORD.TO) ret = rwinreg.RegQueryInfoKey( hkey, None, null_dword, null_dword, nSubKeys, null_dword, null_dword, nValues, null_dword, null_dword, null_dword, ft) if ret != 0: raiseWindowsError(space, ret, 'RegQueryInfoKey') l = (ft[0].c_dwLowDateTime + (ft[0].c_dwHighDateTime << 32)) return space.newtuple([space.wrap(nSubKeys[0]), space.wrap(nValues[0]), space.wrap(l)]) finally: lltype.free(ft, flavor='raw') finally: lltype.free(nValues, flavor='raw') finally: lltype.free(nSubKeys, flavor='raw') QueryInfoKey.unwrap_spec = [ObjSpace, W_Root] def str_or_None_w(space, w_obj): if space.is_w(w_obj, space.w_None): return None return space.str_w(w_obj) def ConnectRegistry(space, w_machine, w_hkey): """key = ConnectRegistry(computer_name, key) Establishes a connection to a predefined registry handle on another computer. computer_name is the name of the remote computer, of the form \\\\computername. If None, the local computer is used. key is the predefined handle to connect to. The return value is the handle of the opened key. If the function fails, an EnvironmentError exception is raised.""" machine = str_or_None_w(space, w_machine) hkey = hkey_w(w_hkey, space) rethkey = lltype.malloc(rwinreg.PHKEY.TO, 1, flavor='raw') try: ret = rwinreg.RegConnectRegistry(machine, hkey, rethkey) if ret != 0: raiseWindowsError(space, ret, 'RegConnectRegistry') return space.wrap(W_HKEY(rethkey[0])) finally: lltype.free(rethkey, flavor='raw') ConnectRegistry.unwrap_spec = [ObjSpace, W_Root, W_Root]