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Make `skein.Client` picklable (#169)

Unpickling will only work on the same machine the driver is running on.
This is mostly useful for starting a single temporary client and using
it in child processes via multiprocessing.
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jcrist committed Apr 25, 2019
1 parent a86a127 commit 8e2f754a83d9a71c2322f3a61e3b59634cd94ab5
Showing with 14 additions and 0 deletions.
  1. +3 −0 skein/
  2. +11 −0 skein/test/
@@ -369,6 +369,9 @@ def __init__(self, address=None, security=None, keytab=None,

def __reduce__(self):
return (type(self), (self.address,

def from_global_driver(self):
"""Connect to the global driver."""
@@ -2,6 +2,7 @@

import datetime
import os
import pickle
import subprocess
import time
import warnings
@@ -276,6 +277,16 @@ def test_client_login_from_keytab(security, not_logged_in):
skein.Client(keytab=KEYTAB_PATH, security=security)

def test_client_picklable(client):
b = pickle.dumps(client)
client2 = pickle.loads(b)
assert client2.address == client.address
assert ==
assert client2._proc is None
# Smoketest

def test_get_nodes(client):
nodes = client.get_nodes()
assert nodes

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