Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/5173#discussion_r27180100
--- Diff: python/pyspark/cloudpickle.py ---
@@ -40,164 +40,126 @@
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""
-
+from __future__ import print_function
import operator
import os
+import io
import pickle
import struct
import sys
import types
from functools import partial
import itertools
-from copy_reg import _extension_registry, _inverted_registry,
_extension_cache
-import new
import dis
import traceback
-import platform
-
-PyImp = platform.python_implementation()
-
-import logging
-cloudLog = logging.getLogger("Cloud.Transport")
+if sys.version < '3':
+ from pickle import Pickler
+ try:
+ from cStringIO import StringIO
+ except ImportError:
+ from StringIO import StringIO
+ PY3 = False
+else:
+ types.ClassType = type
+ from pickle import _Pickler as Pickler
+ from io import BytesIO as StringIO
+ PY3 = True
#relevant opcodes
-STORE_GLOBAL = chr(dis.opname.index('STORE_GLOBAL'))
-DELETE_GLOBAL = chr(dis.opname.index('DELETE_GLOBAL'))
-LOAD_GLOBAL = chr(dis.opname.index('LOAD_GLOBAL'))
+STORE_GLOBAL = dis.opname.index('STORE_GLOBAL')
+DELETE_GLOBAL = dis.opname.index('DELETE_GLOBAL')
+LOAD_GLOBAL = dis.opname.index('LOAD_GLOBAL')
GLOBAL_OPS = [STORE_GLOBAL, DELETE_GLOBAL, LOAD_GLOBAL]
+HAVE_ARGUMENT = dis.HAVE_ARGUMENT
+EXTENDED_ARG = dis.EXTENDED_ARG
-HAVE_ARGUMENT = chr(dis.HAVE_ARGUMENT)
-EXTENDED_ARG = chr(dis.EXTENDED_ARG)
-
-if PyImp == "PyPy":
- # register builtin type in `new`
- new.method = types.MethodType
-
-try:
- from cStringIO import StringIO
-except ImportError:
- from StringIO import StringIO
-# These helper functions were copied from PiCloud's util module.
def islambda(func):
- return getattr(func,'func_name') == '<lambda>'
+ return getattr(func,'__name__') == '<lambda>'
-def xrange_params(xrangeobj):
--- End diff --
xrange is picklable in 2.6+
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