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Add CLOUDPICKLE_DEFAULT_PROTOCOL env to control the default pickle protocol #265

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HyukjinKwon wants to merge 1 commit into from
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Add CLOUDPICKLE_DEFAULT_PROTOCOL env to control the default pickle protocol #265

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1 change: 1 addition & 0 deletions .travis.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@ matrix:
python: 3.7
- os: linux
python: 3.6
env: CLOUDPICKLE_DEFAULT_PROTOCOL=3
- os: linux
python: 3.5
- os: linux
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3 changes: 2 additions & 1 deletion cloudpickle/cloudpickle.py
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Expand Up @@ -50,6 +50,7 @@
import logging
import opcode
import operator
import os
import pickle
import struct
import sys
Expand All @@ -60,7 +61,7 @@
# cloudpickle is meant for inter process communication: we expect all
# communicating processes to run the same Python version hence we favor
# communication speed over compatibility:
DEFAULT_PROTOCOL = pickle.HIGHEST_PROTOCOL
DEFAULT_PROTOCOL = int(os.environ.get("CLOUDPICKLE_DEFAULT_PROTOCOL", pickle.HIGHEST_PROTOCOL))


if sys.version_info[0] < 3: # pragma: no branch
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