merge 3.2

This commit is contained in:
Benjamin Peterson 2012-10-12 12:04:32 -04:00
commit 143d034ecd
14 changed files with 242 additions and 240 deletions

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@ -23,7 +23,7 @@ Using 2to3
also located in the :file:`Tools/scripts` directory of the Python root.
2to3's basic arguments are a list of files or directories to transform. The
directories are to recursively traversed for Python sources.
directories are recursively traversed for Python sources.
Here is a sample Python 2.x source file, :file:`example.py`::

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@ -42,12 +42,13 @@ Executor Objects
Equivalent to ``map(func, *iterables)`` except *func* is executed
asynchronously and several calls to *func* may be made concurrently. The
returned iterator raises a :exc:`TimeoutError` if :meth:`__next__()` is
called and the result isn't available after *timeout* seconds from the
original call to :meth:`Executor.map`. *timeout* can be an int or a
float. If *timeout* is not specified or ``None``, there is no limit to
the wait time. If a call raises an exception, then that exception will
be raised when its value is retrieved from the iterator.
returned iterator raises a :exc:`TimeoutError` if
:meth:`~iterator.__next__` is called and the result isn't available
after *timeout* seconds from the original call to :meth:`Executor.map`.
*timeout* can be an int or a float. If *timeout* is not specified or
``None``, there is no limit to the wait time. If a call raises an
exception, then that exception will be raised when its value is
retrieved from the iterator.
.. method:: shutdown(wait=True)
@ -364,10 +365,11 @@ Module Functions
different :class:`Executor` instances) given by *fs* that yields futures as
they complete (finished or were cancelled). Any futures that completed
before :func:`as_completed` is called will be yielded first. The returned
iterator raises a :exc:`TimeoutError` if :meth:`__next__` is called and the
result isn't available after *timeout* seconds from the original call to
:func:`as_completed`. *timeout* can be an int or float. If *timeout* is not
specified or ``None``, there is no limit to the wait time.
iterator raises a :exc:`TimeoutError` if :meth:`~iterator.__next__` is
called and the result isn't available after *timeout* seconds from the
original call to :func:`as_completed`. *timeout* can be an int or float.
If *timeout* is not specified or ``None``, there is no limit to the wait
time.
.. seealso::

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@ -660,10 +660,10 @@ the more significant byte last.
.. opcode:: FOR_ITER (delta)
``TOS`` is an :term:`iterator`. Call its :meth:`__next__` method. If this
yields a new value, push it on the stack (leaving the iterator below it). If
the iterator indicates it is exhausted ``TOS`` is popped, and the byte code
counter is incremented by *delta*.
``TOS`` is an :term:`iterator`. Call its :meth:`~iterator.__next__` method.
If this yields a new value, push it on the stack (leaving the iterator below
it). If the iterator indicates it is exhausted ``TOS`` is popped, and the
byte code counter is incremented by *delta*.
.. opcode:: LOAD_GLOBAL (namei)

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@ -348,10 +348,10 @@ are always available. They are listed here in alphabetical order.
.. function:: enumerate(iterable, start=0)
Return an enumerate object. *iterable* must be a sequence, an
:term:`iterator`, or some other object which supports iteration. The
:meth:`__next__` method of the iterator returned by :func:`enumerate` returns a
tuple containing a count (from *start* which defaults to 0) and the
values obtained from iterating over *iterable*.
:term:`iterator`, or some other object which supports iteration.
The :meth:`~iterator.__next__` method of the iterator returned by
:func:`enumerate` returns a tuple containing a count (from *start* which
defaults to 0) and the values obtained from iterating over *iterable*.
>>> seasons = ['Spring', 'Summer', 'Fall', 'Winter']
>>> list(enumerate(seasons))
@ -683,9 +683,10 @@ are always available. They are listed here in alphabetical order.
starting at ``0``). If it does not support either of those protocols,
:exc:`TypeError` is raised. If the second argument, *sentinel*, is given,
then *object* must be a callable object. The iterator created in this case
will call *object* with no arguments for each call to its :meth:`__next__`
method; if the value returned is equal to *sentinel*, :exc:`StopIteration`
will be raised, otherwise the value will be returned.
will call *object* with no arguments for each call to its
:meth:`~iterator.__next__` method; if the value returned is equal to
*sentinel*, :exc:`StopIteration` will be raised, otherwise the value will
be returned.
One useful application of the second form of :func:`iter` is to read lines of
a file until a certain line is reached. The following example reads a file
@ -779,9 +780,9 @@ are always available. They are listed here in alphabetical order.
.. function:: next(iterator[, default])
Retrieve the next item from the *iterator* by calling its :meth:`__next__`
method. If *default* is given, it is returned if the iterator is exhausted,
otherwise :exc:`StopIteration` is raised.
Retrieve the next item from the *iterator* by calling its
:meth:`~iterator.__next__` method. If *default* is given, it is returned
if the iterator is exhausted, otherwise :exc:`StopIteration` is raised.
.. function:: object()

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@ -779,9 +779,9 @@ specific sequence types, dictionaries, and other more specialized forms. The
specific types are not important beyond their implementation of the iterator
protocol.
Once an iterator's :meth:`__next__` method raises :exc:`StopIteration`, it must
continue to do so on subsequent calls. Implementations that do not obey this
property are deemed broken.
Once an iterator's :meth:`~iterator.__next__` method raises
:exc:`StopIteration`, it must continue to do so on subsequent calls.
Implementations that do not obey this property are deemed broken.
.. _generator-types:
@ -792,7 +792,8 @@ Generator Types
Python's :term:`generator`\s provide a convenient way to implement the iterator
protocol. If a container object's :meth:`__iter__` method is implemented as a
generator, it will automatically return an iterator object (technically, a
generator object) supplying the :meth:`__iter__` and :meth:`__next__` methods.
generator object) supplying the :meth:`__iter__` and :meth:`~generator.__next__`
methods.
More information about generators can be found in :ref:`the documentation for
the yield expression <yieldexpr>`.