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author | Benjamin Peterson <benjamin@python.org> | 2012-10-12 16:04:32 (GMT) |
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committer | Benjamin Peterson <benjamin@python.org> | 2012-10-12 16:04:32 (GMT) |
commit | 143d034ecd110f8543eba4ad76dfb6085cdaeb3d (patch) | |
tree | 9ddcfc6fe0d0cf8ce8558f88969bf1f9e98c1d25 /Doc/library | |
parent | c3de6d63cd20cd26a288999d454124cb72eb57fe (diff) | |
parent | 7a9953edfbbd51dbda60ab31c0e5db5eea968b53 (diff) | |
download | cpython-143d034ecd110f8543eba4ad76dfb6085cdaeb3d.zip cpython-143d034ecd110f8543eba4ad76dfb6085cdaeb3d.tar.gz cpython-143d034ecd110f8543eba4ad76dfb6085cdaeb3d.tar.bz2 |
merge 3.2
Diffstat (limited to 'Doc/library')
-rw-r--r-- | Doc/library/2to3.rst | 2 | ||||
-rw-r--r-- | Doc/library/concurrent.futures.rst | 22 | ||||
-rw-r--r-- | Doc/library/dis.rst | 8 | ||||
-rw-r--r-- | Doc/library/functions.rst | 21 | ||||
-rw-r--r-- | Doc/library/stdtypes.rst | 9 |
5 files changed, 33 insertions, 29 deletions
diff --git a/Doc/library/2to3.rst b/Doc/library/2to3.rst index a13fb65..d07aaa1 100644 --- a/Doc/library/2to3.rst +++ b/Doc/library/2to3.rst @@ -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`:: diff --git a/Doc/library/concurrent.futures.rst b/Doc/library/concurrent.futures.rst index a88f10c..8908542 100644 --- a/Doc/library/concurrent.futures.rst +++ b/Doc/library/concurrent.futures.rst @@ -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:: diff --git a/Doc/library/dis.rst b/Doc/library/dis.rst index 6d08a0c..854c521 100644 --- a/Doc/library/dis.rst +++ b/Doc/library/dis.rst @@ -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) diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst index e969194..173baf4 100644 --- a/Doc/library/functions.rst +++ b/Doc/library/functions.rst @@ -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() diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst index ed5b3ae..557c433 100644 --- a/Doc/library/stdtypes.rst +++ b/Doc/library/stdtypes.rst @@ -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>`. |