def autoIndentBlock(self, block, char = '\n'):
        """Indent block after Enter pressed or trigger character typed
        """
        cursor = QTextCursor(block)
        currentText = block.text()
        spaceAtStartLen = len(currentText) - len(currentText.lstrip())
        currentIndent = currentText[:spaceAtStartLen]
        indent = self._smartIndenter.computeIndent(block, char)
        if indent is not None and indent != currentIndent:
            self._qpart.replaceText(block.position(), spaceAtStartLen, indent)
def __init__(self, directory=None):
        if directory is None:
                directory = []
        import copy
        self.directory = copy.deepcopy(directory)
        self.bound = False
        self.start_tls_called = False
        self.extend = self.Extend(self)

        self.operation = {
                    "!" : self._search_not,
                    "&" : self._search_and,
                    "|" : self._search_or,
            }