__init__.py 文件源码

def dump(self):
        """Return the JSON representaion of config."""
        import json

        def _json_default(v):
            # How to encode non-standard objects
            if isinstance(v, UserDict):
                return v.data
            else:
                return str(v)

        # Work on copy of CONFIG but with unused top-level elements removed.
        #
        config = {k: v for k,v in self.items() if v}
        return json.dumps(config, indent=INDENT, sort_keys=SORT, default=_json_default)