@property
    def _path_completer_grammar(self):
        # We make this lazy, because it delays startup time a little bit.
        # This way, the grammar is build during the first completion.
        if self._path_completer_grammar_cache is None:
            self._path_completer_grammar_cache = self._create_path_completer_grammar()
        return self._path_completer_grammar_cache
Return the per-file header as a string.
dataset/ETHPy150Open jonathanslenders/ptpython/ptpython/completer.py/PythonCompleter._path_completer_grammar--crossover with--dataset/ETHPy150Open girder/girder/girder/utility/ziputil.py/ZipInfo.fileHeader