[Python-checkins] cpython (2.7): Some formatting & grammar fixes for the multiprocessing doc

eli.bendersky python-checkins at python.org
Sat Dec 31 06:05:20 CET 2011


http://hg.python.org/cpython/rev/fb5ad61a2b35
changeset:   74203:fb5ad61a2b35
branch:      2.7
parent:      74200:5adbc87f1028
user:        Eli Bendersky <eliben at gmail.com>
date:        Sat Dec 31 07:05:12 2011 +0200
summary:
  Some formatting & grammar fixes for the multiprocessing doc

files:
  Doc/library/multiprocessing.rst |  34 ++++++++++----------
  1 files changed, 17 insertions(+), 17 deletions(-)


diff --git a/Doc/library/multiprocessing.rst b/Doc/library/multiprocessing.rst
--- a/Doc/library/multiprocessing.rst
+++ b/Doc/library/multiprocessing.rst
@@ -282,7 +282,7 @@
 
    if __name__ == '__main__':
        pool = Pool(processes=4)              # start 4 worker processes
-       result = pool.apply_async(f, [10])     # evaluate "f(10)" asynchronously
+       result = pool.apply_async(f, [10])    # evaluate "f(10)" asynchronously
        print result.get(timeout=1)           # prints "100" unless your computer is *very* slow
        print pool.map(f, range(10))          # prints "[0, 1, 4,..., 81]"
 
@@ -472,7 +472,7 @@
 
 If you use :class:`JoinableQueue` then you **must** call
 :meth:`JoinableQueue.task_done` for each task removed from the queue or else the
-semaphore used to count the number of unfinished tasks may eventually overflow
+semaphore used to count the number of unfinished tasks may eventually overflow,
 raising an exception.
 
 Note that one can also create a shared queue by using a manager object -- see
@@ -490,7 +490,7 @@
 
    If a process is killed using :meth:`Process.terminate` or :func:`os.kill`
    while it is trying to use a :class:`Queue`, then the data in the queue is
-   likely to become corrupted.  This may cause any other processes to get an
+   likely to become corrupted.  This may cause any other process to get an
    exception when it tries to use the queue later on.
 
 .. warning::
@@ -692,7 +692,7 @@
    (By default :data:`sys.executable` is used).  Embedders will probably need to
    do some thing like ::
 
-      setExecutable(os.path.join(sys.exec_prefix, 'pythonw.exe'))
+      set_executable(os.path.join(sys.exec_prefix, 'pythonw.exe'))
 
    before they can create child processes.  (Windows only)
 
@@ -711,7 +711,7 @@
 Connection objects allow the sending and receiving of picklable objects or
 strings.  They can be thought of as message oriented connected sockets.
 
-Connection objects usually created using :func:`Pipe` -- see also
+Connection objects are usually created using :func:`Pipe` -- see also
 :ref:`multiprocessing-listeners-clients`.
 
 .. class:: Connection
@@ -722,7 +722,7 @@
       using :meth:`recv`.
 
       The object must be picklable.  Very large pickles (approximately 32 MB+,
-      though it depends on the OS) may raise a ValueError exception.
+      though it depends on the OS) may raise a :exc:`ValueError` exception.
 
    .. method:: recv()
 
@@ -732,7 +732,7 @@
 
    .. method:: fileno()
 
-      Returns the file descriptor or handle used by the connection.
+      Return the file descriptor or handle used by the connection.
 
    .. method:: close()
 
@@ -756,7 +756,7 @@
       If *offset* is given then data is read from that position in *buffer*.  If
       *size* is given then that many bytes will be read from buffer.  Very large
       buffers (approximately 32 MB+, though it depends on the OS) may raise a
-      ValueError exception
+      :exc:`ValueError` exception
 
    .. method:: recv_bytes([maxlength])
 
@@ -1329,7 +1329,7 @@
 >>>>>>>>>>>>>>>>>>>
 
 To create one's own manager, one creates a subclass of :class:`BaseManager` and
-use the :meth:`~BaseManager.register` classmethod to register new types or
+uses the :meth:`~BaseManager.register` classmethod to register new types or
 callables with the manager class.  For example::
 
    from multiprocessing.managers import BaseManager
@@ -1579,10 +1579,10 @@
 
    .. method:: apply(func[, args[, kwds]])
 
-      Equivalent of the :func:`apply` built-in function.  It blocks till the
-      result is ready.  Given this blocks, :meth:`apply_async` is better suited
-      for performing work in parallel. Additionally, the passed
-      in function is only executed in one of the workers of the pool.
+      Equivalent of the :func:`apply` built-in function.  It blocks until the
+      result is ready, so :meth:`apply_async` is better suited for performing
+      work in parallel. Additionally, *func* is only executed in one of the
+      workers of the pool.
 
    .. method:: apply_async(func[, args[, kwds[, callback]]])
 
@@ -1596,7 +1596,7 @@
    .. method:: map(func, iterable[, chunksize])
 
       A parallel equivalent of the :func:`map` built-in function (it supports only
-      one *iterable* argument though).  It blocks till the result is ready.
+      one *iterable* argument though).  It blocks until the result is ready.
 
       This method chops the iterable into a number of chunks which it submits to
       the process pool as separate tasks.  The (approximate) size of these
@@ -2046,7 +2046,7 @@
     On Windows many types from :mod:`multiprocessing` need to be picklable so
     that child processes can use them.  However, one should generally avoid
     sending shared objects to other processes using pipes or queues.  Instead
-    you should arrange the program so that a process which need access to a
+    you should arrange the program so that a process which needs access to a
     shared resource created elsewhere can inherit it from an ancestor process.
 
 Avoid terminating processes
@@ -2125,7 +2125,7 @@
            for i in range(10):
                 Process(target=f, args=(lock,)).start()
 
-Beware replacing sys.stdin with a "file like object"
+Beware of replacing :data:`sys.stdin` with a "file like object"
 
     :mod:`multiprocessing` originally unconditionally called::
 
@@ -2243,7 +2243,7 @@
 
 
 An example showing how to use queues to feed tasks to a collection of worker
-process and collect the results:
+processes and collect the results:
 
 .. literalinclude:: ../includes/mp_workers.py
 

-- 
Repository URL: http://hg.python.org/cpython


More information about the Python-checkins mailing list