__init__.py 文件源码

def get_private_key(self, password=None):
        if self.private_key_file is not None:
            with open(self.private_key_file, "r") as f:
                key_head = f.readline()
            if 'DSA' in key_head:
                key_type = paramiko.DSSKey
            elif 'RSA' in key_head:
                key_type = paramiko.RSAKey
            else:
                raise ValueError("can't identify private key type")
            with open(self.private_key_file, "r") as f:
                return key_type.from_private_key(f, password=password)