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Éric Araujo  committed 4a6cb2d Merge

Merge from 3.2 (#9254, #8982, #9788)

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  • Parent commits 91d6cab, e37fa30

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File Doc/library/argparse.rst

 :class:`ArgumentParser` parses args through the
 :meth:`~ArgumentParser.parse_args` method.  This will inspect the command line,
 convert each arg to the appropriate type and then invoke the appropriate action.
-In most cases, this means a simple namespace object will be built up from
+In most cases, this means a simple :class:`Namespace` object will be built up from
 attributes parsed out of the command line::
 
    >>> parser.parse_args(['--sum', '7', '-1', '42'])
 
 * ``parser`` - The ArgumentParser object which contains this action.
 
-* ``namespace`` - The namespace object that will be returned by
+* ``namespace`` - The :class:`Namespace` object that will be returned by
   :meth:`~ArgumentParser.parse_args`.  Most actions add an attribute to this
   object.
 
 The Namespace object
 ^^^^^^^^^^^^^^^^^^^^
 
-By default, :meth:`~ArgumentParser.parse_args` will return a new object of type
-:class:`Namespace` where the necessary attributes have been set. This class is
-deliberately simple, just an :class:`object` subclass with a readable string
-representation. If you prefer to have dict-like view of the attributes, you
-can use the standard Python idiom via :func:`vars`::
+.. class:: Namespace
+
+   Simple class used by default by :meth:`~ArgumentParser.parse_args` to create
+   an object holding attributes and return it.
+
+This class is deliberately simple, just an :class:`object` subclass with a
+readable string representation. If you prefer to have dict-like view of the
+attributes, you can use the standard Python idiom, :func:`vars`::
 
    >>> parser = argparse.ArgumentParser()
    >>> parser.add_argument('--foo')

File Doc/library/atexit.rst

 
 The :mod:`atexit` module defines functions to register and unregister cleanup
 functions.  Functions thus registered are automatically executed upon normal
-interpreter termination.
+interpreter termination.  The order in which the functions are called is not
+defined; if you have cleanup operations that depend on each other, you should
+wrap them in a function and register that one.  This keeps :mod:`atexit` simple.
 
 Note: the functions registered via this module are not called when the program
 is killed by a signal not handled by Python, when a Python fatal internal error

File Doc/library/functions.rst

    .. note::
 
       This is an advanced function that is not needed in everyday Python
-      programming.
+      programming, unlike :func:`importlib.import_module`.
 
    This function is invoked by the :keyword:`import` statement.  It can be
    replaced (by importing the :mod:`builtins` module and assigning to
    names.
 
    If you simply want to import a module (potentially within a package) by name,
-   you can call :func:`__import__` and then look it up in :data:`sys.modules`::
+   use :func:`importlib.import_module`.
 
-      >>> import sys
-      >>> name = 'foo.bar.baz'
-      >>> __import__(name)
-      <module 'foo' from ...>
-      >>> baz = sys.modules[name]
-      >>> baz
-      <module 'foo.bar.baz' from ...>
 
 .. rubric:: Footnotes