Merged revisions 65259,65263,65296,65307,65321 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk ........ r65259 | benjamin.peterson | 2008-07-27 10:22:14 -0500 (Sun, 27 Jul 2008) | 1 line clarify Popen argument ........ r65263 | andrew.kuchling | 2008-07-28 12:04:48 -0500 (Mon, 28 Jul 2008) | 1 line Clarify wording ........ r65296 | raymond.hettinger | 2008-07-30 02:27:30 -0500 (Wed, 30 Jul 2008) | 1 line Neaten-up the itertools recipes. ........ r65307 | benjamin.peterson | 2008-07-30 08:46:53 -0500 (Wed, 30 Jul 2008) | 1 line getrandombits is actually getrandbits ........ r65321 | raymond.hettinger | 2008-07-30 20:19:50 -0500 (Wed, 30 Jul 2008) | 4 lines Alter recipe to show how to call izip_longest() with both a keyword argument and star arguments. ........
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@ -566,8 +566,7 @@ which incur interpreter overhead.
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def grouper(n, iterable, fillvalue=None):
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def grouper(n, iterable, fillvalue=None):
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"grouper(3, 'ABCDEFG', 'x') --> ABC DEF Gxx"
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"grouper(3, 'ABCDEFG', 'x') --> ABC DEF Gxx"
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args = [iter(iterable)] * n
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args = [iter(iterable)] * n
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kwds = dict(fillvalue=fillvalue)
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return zip_longest(fillvalue=fillvalue, *args)
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return zip_longest(*args, **kwds)
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def roundrobin(*iterables):
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def roundrobin(*iterables):
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"roundrobin('ABC', 'D', 'EF') --> A D E B F C"
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"roundrobin('ABC', 'D', 'EF') --> A D E B F C"
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@ -33,7 +33,7 @@ instances of :class:`Random` to get generators that don't share state.
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Class :class:`Random` can also be subclassed if you want to use a different
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Class :class:`Random` can also be subclassed if you want to use a different
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basic generator of your own devising: in that case, override the :meth:`random`,
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basic generator of your own devising: in that case, override the :meth:`random`,
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:meth:`seed`, :meth:`getstate`, and :meth:`setstate`.
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:meth:`seed`, :meth:`getstate`, and :meth:`setstate`.
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Optionally, a new generator can supply a :meth:`getrandombits` method --- this
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Optionally, a new generator can supply a :meth:`getrandbits` method --- this
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allows :meth:`randrange` to produce selections over an arbitrarily large range.
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allows :meth:`randrange` to produce selections over an arbitrarily large range.
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@ -33,9 +33,10 @@ This module defines one class called :class:`Popen`:
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Arguments are:
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Arguments are:
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*args* should be a string, or a sequence of program arguments. The program to
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*args* should be a string, or a sequence of program arguments. The program
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execute is normally the first item in the args sequence or string, but can be
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to execute is normally the first item in the args sequence or the string if a
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explicitly set by using the executable argument.
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string is given, but can be explicitly set by using the *executable*
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argument.
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On Unix, with *shell=False* (default): In this case, the Popen class uses
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On Unix, with *shell=False* (default): In this case, the Popen class uses
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:meth:`os.execvp` to execute the child program. *args* should normally be a
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:meth:`os.execvp` to execute the child program. *args* should normally be a
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@ -74,7 +74,7 @@ class Random(_random.Random):
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Class Random can also be subclassed if you want to use a different basic
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Class Random can also be subclassed if you want to use a different basic
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generator of your own devising: in that case, override the following
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generator of your own devising: in that case, override the following
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methods: random(), seed(), getstate(), and setstate().
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methods: random(), seed(), getstate(), and setstate().
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Optionally, implement a getrandombits() method so that randrange()
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Optionally, implement a getrandbits() method so that randrange()
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can cover arbitrarily large ranges.
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can cover arbitrarily large ranges.
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"""
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"""
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@ -1257,8 +1257,7 @@ Samuele
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>>> def grouper(n, iterable, fillvalue=None):
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>>> def grouper(n, iterable, fillvalue=None):
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... "grouper(3, 'ABCDEFG', 'x') --> ABC DEF Gxx"
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... "grouper(3, 'ABCDEFG', 'x') --> ABC DEF Gxx"
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... args = [iter(iterable)] * n
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... args = [iter(iterable)] * n
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... kwds = dict(fillvalue=fillvalue)
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... return zip_longest(fillvalue=fillvalue, *args)
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... return zip_longest(*args, **kwds)
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>>> def roundrobin(*iterables):
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>>> def roundrobin(*iterables):
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... "roundrobin('ABC', 'D', 'EF') --> A D E B F C"
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... "roundrobin('ABC', 'D', 'EF') --> A D E B F C"
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