def load(self) -> PKey:
if os.path.isfile(self.path):
classes = PKey.__subclasses__()
last = len(classes) + 1
for i, cls in enumerate(classes):
try:
return cls.from_private_key_file(self.path)
except SSHException:
if i == last:
raise
continue
raise EmptyStoreError()
def read_private_key_file(file_: io.IOBase) -> PKey:
"""Read a private key file. Similar to :meth:`PKey.from_private_key()
<paramiko.pkey.PKey.from_private_key>` except it guess the key type.
:param file_: a stream of the private key to read
:type file_: :class:`io.IOBase`
:return: the read private key
:rtype: :class:`paramiko.pkey.PKery`
:raise paramiko.ssh_exception.SSHException: when something goes wrong
"""
classes = PKey.__subclasses__()
last = len(classes) + 1
for i, cls in enumerate(classes):
try:
return cls.from_private_key(file_)
except SSHException:
if i == last:
raise
file_.seek(0)
continue
