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Move import statement into a function

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To fix a bug on App Engine where multiprocessing is not allowed.
Closes #282
This commit is contained in:
Dmitry Sadovnychyi
2015-10-19 15:20:39 +02:00
committed by Honza Král
parent 3e6ab22288
commit 2d04178215
1 changed files with 3 additions and 1 deletions
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elasticsearch/helpers/__init__.py
+3 -1
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@@ -1,7 +1,6 @@
from __future__ import unicode_literals from __future__ import unicode_literals
import logging import logging
from multiprocessing.dummy import Pool
from operator import methodcaller from operator import methodcaller
from ..exceptions import ElasticsearchException, TransportError from ..exceptions import ElasticsearchException, TransportError
@@ -216,6 +215,9 @@ def parallel_bulk(client, actions, thread_count=4, chunk_size=500,
should return a tuple containing the action line and the data line should return a tuple containing the action line and the data line
(`None` if data line should be omitted). (`None` if data line should be omitted).
""" """
# Avoid importing multiprocessing unless parallel_bulk is used
# to avoid exceptions on restricted environments like App Engine
from multiprocessing.dummy import Pool
actions = map(expand_action_callback, actions) actions = map(expand_action_callback, actions)
pool = Pool(thread_count) pool = Pool(thread_count)