mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-09-26 18:29:57 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 10

bpo-36364: fix SharedMemoryManager examples (GH-12439)

Browse source 
Examples of the `multiprocessing.shared_memory` module try to import `SharedMemoryManager` from `multiprocessing.shared_memory` whereas this class is defined in `multiprocessing.managers`.
This commit is contained in:
Pierre Glaser 2019-03-26 20:12:26 +01:00 • committed by Miss Islington (bot)
parent f8ba6f5afc
commit 3b7e47aea9
1 changed files with 4 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

7
Doc/library/multiprocessing.shared_memory.rst
View file

@ -176,6 +176,7 @@ same ``numpy.ndarray`` from two distinct Python shells:
.. class:: SharedMemoryManager([address[, authkey]]) .. class:: SharedMemoryManager([address[, authkey]])
:module: multiprocessing.managers
A subclass of :class:`~multiprocessing.managers.BaseManager` which can be A subclass of :class:`~multiprocessing.managers.BaseManager` which can be
used for the management of shared memory blocks across processes. used for the management of shared memory blocks across processes.
@ -218,8 +219,8 @@ The following example demonstrates the basic mechanisms of a
.. doctest:: .. doctest::
:options: +SKIP :options: +SKIP
>>> from multiprocessing import shared_memory >>> from multiprocessing.managers import SharedMemoryManager
>>> smm = shared_memory.SharedMemoryManager() >>> smm = SharedMemoryManager()
>>> smm.start() # Start the process that manages the shared memory blocks >>> smm.start() # Start the process that manages the shared memory blocks
>>> sl = smm.ShareableList(range(4)) >>> sl = smm.ShareableList(range(4))
>>> sl >>> sl
@ -238,7 +239,7 @@ needed:
.. doctest:: .. doctest::
:options: +SKIP :options: +SKIP
>>> with shared_memory.SharedMemoryManager() as smm: >>> with SharedMemoryManager() as smm:
... sl = smm.ShareableList(range(2000)) ... sl = smm.ShareableList(range(2000))
... # Divide the work among two processes, storing partial results in sl ... # Divide the work among two processes, storing partial results in sl
... p1 = Process(target=do_work, args=(sl, 0, 1000)) ... p1 = Process(target=do_work, args=(sl, 0, 1000))