keys.py 文件源码

def load(self):
        # XXX JSON is not a great database
        for path in load_config_paths('wheel'):
            conf = os.path.join(native(path), self.CONFIG_NAME)
            if os.path.exists(conf):
                with open(conf, 'r') as infile:
                    self.data = json.load(infile)
                    for x in ('signers', 'verifiers'):
                        if not x in self.data:
                            self.data[x] = []
                    if 'schema' not in self.data:
                        self.data['schema'] = self.SCHEMA
                    elif self.data['schema'] != self.SCHEMA:
                        raise ValueError(
                            "Bad wheel.json version {0}, expected {1}".format(
                                self.data['schema'], self.SCHEMA))
                break
        return self