Python winreg.EnumKey() Examples

def next(self):
        try:
            k = _winreg.EnumKey(self.key.hkey,self.index)
        except WindowsError:
            raise StopIteration
        else:
            self.index += 1
            return Key(k,self.key) 

def _get_launcher_install_path(self) -> Optional[str]:
        if is_windows():

            try:
                for h_root in (winreg.HKEY_CURRENT_USER, winreg.HKEY_LOCAL_MACHINE):
                    with winreg.OpenKey(h_root, r"Software\Microsoft\Windows\CurrentVersion\Uninstall") as h_apps:
                        for idx in range(winreg.QueryInfoKey(h_apps)[0]):
                            try:
                                with winreg.OpenKeyEx(h_apps, winreg.EnumKey(h_apps, idx)) as h_app_info:
                                    def get_value(key):
                                        return winreg.QueryValueEx(h_app_info, key)[0]

                                    if get_value("DisplayName") == self._LAUNCHER_DISPLAY_NAME:
                                        installer_path = get_value("InstallLocation")
                                        if os.path.exists(str(installer_path)):
                                            return installer_path

                            except (WindowsError, KeyError, ValueError):
                                continue

            except (WindowsError, KeyError, ValueError):
                logging.exception("Failed to get client install location")
                return None
        else:
            return None 

def enum_key(self, key_path, throw = True):
		if self.root is None:
			self.setup()
		
		#key_path = self.hive_name + '\\' + key_path
		key = self.find_key(key_path, throw)
		names = []
		i = 0
		while True:
			try:
				name = winreg.EnumKey(key, i)
				names.append(name)
				i+= 1
			except OSError as e:
				if isinstance(e, WindowsError) and e.winerror == 259:
					break
				else:
					raise e
				
		return names 

def uninstall_all():
    """uninstalls PyXLL from all installed Excel versions"""
    for wow64_flags in (winreg.KEY_WOW64_64KEY, winreg.KEY_WOW64_32KEY):
        for root in _root_keys.keys():
            try:
                flags = wow64_flags | winreg.KEY_READ
                office_root = winreg.OpenKey(root, r"Software\Microsoft\Office", 0, flags)
            except WindowsError:
                continue

            # look for all installed versions of Excel and uninstall PyXLL
            i = 0
            while True:
                try:
                    subkey = winreg.EnumKey(office_root, i)
                except WindowsError:
                    break

                match = re.match("^(\d+(?:\.\d+)?)$", subkey)
                if match:
                    office_version = match.group(1)
                    uninstall(office_root, office_version, wow64_flags)
                i += 1

            winreg.CloseKey(office_root) 

def _iterate_new_uninstall_keys(self):
        for arch_key in self._ARCH_KEYS:
            for hive in self._LOOKUP_REGISTRY_HIVES:
                with winreg.OpenKey(hive, self._UNINSTALL_LOCATION, 0, winreg.KEY_READ | arch_key) as key:
                    subkeys = winreg.QueryInfoKey(key)[0]

                    cached_subkeys = self.__keys_count[hive | arch_key]
                    self.__keys_count[hive | arch_key] = subkeys
                    if subkeys <= cached_subkeys:
                        continue  # same or lower number of installed programs since last refresh
                    logging.info(f'New keys in registry {hive | arch_key}: {subkeys}. Reparsing.')

                    for i in range(subkeys):
                        subkey_name = winreg.EnumKey(key, i)
                        if self._ignore_filter and self._ignore_filter(subkey_name):
                            logging.debug(f'Filtred out subkey: {subkey_name}')
                            continue
                        with winreg.OpenKey(key, subkey_name) as subkey:
                            yield (subkey_name, subkey) 

def read_windows_registry(self, strict=True):
        """
        Load the MIME types database from Windows registry.

        If strict is true, information will be added to
        list of standard types, else to the list of non-standard
        types.
        """

        # Windows only
        if not _winreg:
            return

        def enum_types(mimedb):
            i = 0
            while True:
                try:
                    ctype = _winreg.EnumKey(mimedb, i)
                except OSError:
                    break
                else:
                    if '\0' not in ctype:
                        yield ctype
                i += 1

        with _winreg.OpenKey(_winreg.HKEY_CLASSES_ROOT, '') as hkcr:
            for subkeyname in enum_types(hkcr):
                try:
                    with _winreg.OpenKey(hkcr, subkeyname) as subkey:
                        # Only check file extensions
                        if not subkeyname.startswith("."):
                            continue
                        # raises OSError if no 'Content Type' value
                        mimetype, datatype = _winreg.QueryValueEx(
                            subkey, 'Content Type')
                        if datatype != _winreg.REG_SZ:
                            continue
                        self.add_type(mimetype, subkeyname, strict)
                except OSError:
                    continue 

def list():
        """Return a list of all time zones known to the system."""
        handle = winreg.ConnectRegistry(None, winreg.HKEY_LOCAL_MACHINE)
        tzkey = winreg.OpenKey(handle, TZKEYNAME)
        result = [winreg.EnumKey(tzkey, i)
                  for i in range(winreg.QueryInfoKey(tzkey)[0])]
        tzkey.Close()
        handle.Close()
        return result 

def read_windows_registry(self, strict=True):
        """
        Load the MIME types database from Windows registry.

        If strict is true, information will be added to
        list of standard types, else to the list of non-standard
        types.
        """

        # Windows only
        if not _winreg:
            return

        def enum_types(mimedb):
            i = 0
            while True:
                try:
                    ctype = _winreg.EnumKey(mimedb, i)
                except EnvironmentError:
                    break
                else:
                    if '\0' not in ctype:
                        yield ctype
                i += 1

        with _winreg.OpenKey(_winreg.HKEY_CLASSES_ROOT, '') as hkcr:
            for subkeyname in enum_types(hkcr):
                try:
                    with _winreg.OpenKey(hkcr, subkeyname) as subkey:
                        # Only check file extensions
                        if not subkeyname.startswith("."):
                            continue
                        # raises EnvironmentError if no 'Content Type' value
                        mimetype, datatype = _winreg.QueryValueEx(
                            subkey, 'Content Type')
                        if datatype != _winreg.REG_SZ:
                            continue
                        self.add_type(mimetype, subkeyname, strict)
                except EnvironmentError:
                    continue 

def get_subkeys(self, key):
        i = 0
        my_list = []
        while True:
            try:
                subkey = winreg.EnumKey(key, i)
                my_list.append(subkey)
                i += 1
            except WindowsError as e:
                break
        return my_list 

def reg_find_value(key, value, root=winreg.HKEY_LOCAL_MACHINE):
    """
    遞迴搜尋機碼下的值, 回傳一組 tuple (所在位置, 數值)
    字串資料採用局部比對, 其餘型態採用完整比對
    """
    i = 0
    handle = winreg.OpenKey(root, key)
    vtype = type(value)

    while True:
        try:
            values = reg_list_value(key)
            for vname in values:
                # 型態不同忽略
                if not isinstance(values[vname], vtype):
                    continue

                leaf_node = key + ':' + vname
                if isinstance(value, str):
                    # 字串採用局部比對
                    if value in values[vname]:
                        return (leaf_node, values[vname])
                else:
                    # 其餘型態採用完整比對
                    if value == values[vname]:
                        return (leaf_node, values[vname])

            subkey = key + '\\' + winreg.EnumKey(handle, i)
            result = reg_find_value(subkey, value)
            if result[0] != '':
                return result

            i += 1
        except OSError:
            # winreg.EnumKey(handle, i) 的 i 超出範圍
            break

    winreg.CloseKey(handle)
    return ('', '') 

def _user_sids():
    """Map between usernames and the related SID."""
    user_sids = {}

    root_key = winreg.HKEY_LOCAL_MACHINE
    reg_path = "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\ProfileList"

    try:
        log.info("OpenKey on {}, with READ + WOW64".format(reg_path))
        sid_reg = winreg.OpenKey(root_key, reg_path,
                                 0, READ_ACCESS)

    except fnf_exception as error:
        handle_fnf(error)

    if sid_reg:
        subkey_count = winreg.QueryInfoKey(sid_reg)[0]
        for pos in range(subkey_count):
            try:
                sid = winreg.EnumKey(sid_reg, pos)
            except:
                pass
            if sid:
                profile_path_key = "{}\\{}".format(reg_path, sid)
                try:
                    profile_path_reg = winreg.OpenKey(
                        root_key, profile_path_key, 0, READ_ACCESS)

                    profile_path = winreg.QueryValueEx(
                        profile_path_reg, "ProfileImagePath")[0]

                    username = profile_path.split("\\")[-1]
                    user_sids[username] = sid
                except:
                    pass

    return user_sids 

def WinSoftwareInstalled(hive, flag):
    aReg = winreg.ConnectRegistry(None, hive)
    aKey = winreg.OpenKey(aReg, r"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall",
                          0, winreg.KEY_READ | flag)

    count_subkey = winreg.QueryInfoKey(aKey)[0]

    software_list = []

    for i in range(count_subkey):
        software = {}
        try:
            asubkey_name = winreg.EnumKey(aKey, i)
            asubkey = winreg.OpenKey(aKey, asubkey_name)
            software['name'] = winreg.QueryValueEx(asubkey, "DisplayName")[0]

            try:
                software['version'] = winreg.QueryValueEx(asubkey, "DisplayVersion")[0]
            except EnvironmentError:
                software['version'] = 'undefined'
            try:
                software['publisher'] = winreg.QueryValueEx(asubkey, "Publisher")[0]
            except EnvironmentError:
                software['publisher'] = 'undefined'
            software_list.append(software)
        except EnvironmentError:
            continue

    return software_list 

def list():
        """Return a list of all time zones known to the system."""
        handle = winreg.ConnectRegistry(None, winreg.HKEY_LOCAL_MACHINE)
        tzkey = winreg.OpenKey(handle, TZKEYNAME)
        result = [winreg.EnumKey(tzkey, i)
                  for i in range(winreg.QueryInfoKey(tzkey)[0])]
        tzkey.Close()
        handle.Close()
        return result 

def read_windows_registry(self, strict=True):
        """
        Load the MIME types database from Windows registry.

        If strict is true, information will be added to
        list of standard types, else to the list of non-standard
        types.
        """

        # Windows only
        if not _winreg:
            return

        def enum_types(mimedb):
            i = 0
            while True:
                try:
                    ctype = _winreg.EnumKey(mimedb, i)
                except EnvironmentError:
                    break
                else:
                    if '\0' not in ctype:
                        yield ctype
                i += 1

        with _winreg.OpenKey(_winreg.HKEY_CLASSES_ROOT, '') as hkcr:
            for subkeyname in enum_types(hkcr):
                try:
                    with _winreg.OpenKey(hkcr, subkeyname) as subkey:
                        # Only check file extensions
                        if not subkeyname.startswith("."):
                            continue
                        # raises EnvironmentError if no 'Content Type' value
                        mimetype, datatype = _winreg.QueryValueEx(
                            subkey, 'Content Type')
                        if datatype != _winreg.REG_SZ:
                            continue
                        self.add_type(mimetype, subkeyname, strict)
                except EnvironmentError:
                    continue 

def _get_sid_from_registry():
    try:
        import winreg
    except ImportError:
        import _winreg as winreg
    var_names = ("%USERPROFILE%", "%HOME%")
    current_user_home = next(iter(os.path.expandvars(v) for v in var_names if v), None)
    root, subkey = (
        winreg.HKEY_LOCAL_MACHINE,
        r"Software\Microsoft\Windows NT\CurrentVersion\ProfileList",
    )
    subkey_names = []
    value = None
    matching_key = None
    try:
        with winreg.OpenKeyEx(root, subkey, 0, winreg.KEY_READ) as key:
            for i in count():
                key_name = winreg.EnumKey(key, i)
                subkey_names.append(key_name)
                value = query_registry_value(
                    root, r"{0}\{1}".format(subkey, key_name), "ProfileImagePath"
                )
                if value and value.lower() == current_user_home.lower():
                    matching_key = key_name
                    break
    except OSError:
        pass
    if matching_key is not None:
        return matching_key 

def read_windows_registry(self, strict=True):
        """
        Load the MIME types database from Windows registry.

        If strict is true, information will be added to
        list of standard types, else to the list of non-standard
        types.
        """

        # Windows only
        if not _winreg:
            return

        def enum_types(mimedb):
            i = 0
            while True:
                try:
                    ctype = _winreg.EnumKey(mimedb, i)
                except OSError:
                    break
                else:
                    if '\0' not in ctype:
                        yield ctype
                i += 1

        with _winreg.OpenKey(_winreg.HKEY_CLASSES_ROOT, '') as hkcr:
            for subkeyname in enum_types(hkcr):
                try:
                    with _winreg.OpenKey(hkcr, subkeyname) as subkey:
                        # Only check file extensions
                        if not subkeyname.startswith("."):
                            continue
                        # raises OSError if no 'Content Type' value
                        mimetype, datatype = _winreg.QueryValueEx(
                            subkey, 'Content Type')
                        if datatype != _winreg.REG_SZ:
                            continue
                        self.add_type(mimetype, subkeyname, strict)
                except OSError:
                    continue 

def _iter_keys_as_str(key):
    """! Iterate over subkeys of a key returning subkey as string
    """
    for i in range(winreg.QueryInfoKey(key)[0]):
        yield winreg.EnumKey(key, i) 

def _iter_keys(key):
    """! Iterate over subkeys of a key
    """
    for i in range(winreg.QueryInfoKey(key)[0]):
        yield winreg.OpenKey(key, winreg.EnumKey(key, i)) 

def read_windows_registry(self, strict=True):
        """
        Load the MIME types database from Windows registry.

        If strict is true, information will be added to
        list of standard types, else to the list of non-standard
        types.
        """

        # Windows only
        if not _winreg:
            return

        def enum_types(mimedb):
            i = 0
            while True:
                try:
                    ctype = _winreg.EnumKey(mimedb, i)
                except OSError:
                    break
                else:
                    if '\0' not in ctype:
                        yield ctype
                i += 1

        with _winreg.OpenKey(_winreg.HKEY_CLASSES_ROOT, '') as hkcr:
            for subkeyname in enum_types(hkcr):
                try:
                    with _winreg.OpenKey(hkcr, subkeyname) as subkey:
                        # Only check file extensions
                        if not subkeyname.startswith("."):
                            continue
                        # raises OSError if no 'Content Type' value
                        mimetype, datatype = _winreg.QueryValueEx(
                            subkey, 'Content Type')
                        if datatype != _winreg.REG_SZ:
                            continue
                        self.add_type(mimetype, subkeyname, strict)
                except OSError:
                    continue 

def read_windows_registry(self, strict=True):
        """
        Load the MIME types database from Windows registry.

        If strict is true, information will be added to
        list of standard types, else to the list of non-standard
        types.
        """

        # Windows only
        if not _winreg:
            return

        def enum_types(mimedb):
            i = 0
            while True:
                try:
                    ctype = _winreg.EnumKey(mimedb, i)
                except OSError:
                    break
                else:
                    if '\0' not in ctype:
                        yield ctype
                i += 1

        with _winreg.OpenKey(_winreg.HKEY_CLASSES_ROOT, '') as hkcr:
            for subkeyname in enum_types(hkcr):
                try:
                    with _winreg.OpenKey(hkcr, subkeyname) as subkey:
                        # Only check file extensions
                        if not subkeyname.startswith("."):
                            continue
                        # raises OSError if no 'Content Type' value
                        mimetype, datatype = _winreg.QueryValueEx(
                            subkey, 'Content Type')
                        if datatype != _winreg.REG_SZ:
                            continue
                        self.add_type(mimetype, subkeyname, strict)
                except OSError:
                    continue 

def check_installed_vs_versions():
    """
    Query the registry to find installed VS versions. Assumes that C++ support has been installed.
    Throws an exception if the expected version of VS is not present.
    :return: None
    """
    import winreg

    # Open the Visual Studio registry key.
    reg = winreg.ConnectRegistry(None, winreg.HKEY_LOCAL_MACHINE)
    vskey = winreg.OpenKey(reg, r'SOFTWARE\Microsoft\VisualStudio')

    subkeys = []

    # Read all the subkeys
    try:
        i = 0
        while True:
            subkeys.append(winreg.EnumKey(vskey, i))
            i += 1
    except OSError:
        pass

    # If a subkey includes '.0' it's almost certainly a version number. I've yet to see one without that.
    available_versions = [version for version in subkeys if '.0' in version]

    if args.vcversion not in available_versions:
        raise OSError('Visual Studio version {} is not installed (available: {}).'.format(args.vcversion,
                                                                                          available_versions)) 

def get_nameservers():
    '''
    Get nameservers from Windows Registry.
    '''
    nameservers = []
    hlm = winreg.ConnectRegistry(None, winreg.HKEY_LOCAL_MACHINE)
    servers = _nt_read_key(hlm, r'SYSTEM\CurrentControlSet\Services\Tcpip\Parameters')
    if servers is not None:
        nameservers.extend(servers)
    interfaces = winreg.OpenKey(
        hlm, r'SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces')
    i = 0
    while True:
        try:
            guid = winreg.EnumKey(interfaces, i)
            i += 1
            if not _nt_is_enabled(hlm, guid):
                continue
            servers = _nt_read_key(interfaces, guid)
            if servers is not None:
                nameservers.extend(servers)
        except EnvironmentError:
            break
    interfaces.Close()
    hlm.Close()
    return nameservers 

def read_windows_registry(self, strict=True):
        """
        Load the MIME types database from Windows registry.

        If strict is true, information will be added to
        list of standard types, else to the list of non-standard
        types.
        """

        # Windows only
        if not _winreg:
            return

        def enum_types(mimedb):
            i = 0
            while True:
                try:
                    ctype = _winreg.EnumKey(mimedb, i)
                except EnvironmentError:
                    break
                else:
                    if '\0' not in ctype:
                        yield ctype
                i += 1

        with _winreg.OpenKey(_winreg.HKEY_CLASSES_ROOT, '') as hkcr:
            for subkeyname in enum_types(hkcr):
                try:
                    with _winreg.OpenKey(hkcr, subkeyname) as subkey:
                        # Only check file extensions
                        if not subkeyname.startswith("."):
                            continue
                        # raises EnvironmentError if no 'Content Type' value
                        mimetype, datatype = _winreg.QueryValueEx(
                            subkey, 'Content Type')
                        if datatype != _winreg.REG_SZ:
                            continue
                        self.add_type(mimetype, subkeyname, strict)
                except EnvironmentError:
                    continue 

def __iter__(self):
        subkey_names = []
        try:
            with winreg.OpenKeyEx(self._root, self.subkey, 0, winreg.KEY_READ | self._flags) as key:
                for i in count():
                    subkey_names.append(winreg.EnumKey(key, i))
        except OSError:
            pass
        return iter(self[k] for k in subkey_names) 

def __iter__(self):
        subkey_names = []
        try:
            with winreg.OpenKeyEx(self._root, self.subkey, 0, winreg.KEY_READ | self._flags) as key:
                for i in count():
                    subkey_names.append(winreg.EnumKey(key, i))
        except OSError:
            pass
        return iter(self[k] for k in subkey_names) 

def get_program_id(self) -> str:
        key = self.open_key(self.REG_PATH)
        return winreg.EnumKey(key, 0) 

def _get_sid_from_registry():
    try:
        import winreg
    except ImportError:
        import _winreg as winreg
    var_names = ("%USERPROFILE%", "%HOME%")
    current_user_home = next(iter(os.path.expandvars(v) for v in var_names if v), None)
    root, subkey = (
        winreg.HKEY_LOCAL_MACHINE,
        r"Software\Microsoft\Windows NT\CurrentVersion\ProfileList",
    )
    subkey_names = []
    value = None
    matching_key = None
    try:
        with winreg.OpenKeyEx(root, subkey, 0, winreg.KEY_READ) as key:
            for i in count():
                key_name = winreg.EnumKey(key, i)
                subkey_names.append(key_name)
                value = query_registry_value(
                    root, r"{0}\{1}".format(subkey, key_name), "ProfileImagePath"
                )
                if value and value.lower() == current_user_home.lower():
                    matching_key = key_name
                    break
    except OSError:
        pass
    if matching_key is not None:
        return matching_key 

def list():
        """Return a list of all time zones known to the system."""
        handle = winreg.ConnectRegistry(None, winreg.HKEY_LOCAL_MACHINE)
        tzkey = winreg.OpenKey(handle, TZKEYNAME)
        result = [winreg.EnumKey(tzkey, i)
                  for i in range(winreg.QueryInfoKey(tzkey)[0])]
        tzkey.Close()
        handle.Close()
        return result 

def get_cpu_info():
    reg = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, "HARDWARE\\DESCRIPTION\\System\\CentralProcessor")
    flag = True
    model_name = ""
    num = _winreg.QueryInfoKey(reg)[0]
    reg2 = _winreg.OpenKeyEx(reg, _winreg.EnumKey(reg, 0))
    model_name = _winreg.QueryValueEx(reg2, 'ProcessorNameString')[0]

    return "{} *{}".format(model_name, num) 

def get_network_card_info():
    reg = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE,
                          "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\NetworkCards")
    info = []
    for i in range(6):
        try:
            descp = _winreg.QueryValueEx(_winreg.OpenKeyEx(
                reg, _winreg.EnumKey(reg, i)), 'Description')[0]
            info.append(descp)
        except:
            break

    return info