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R` R R, R; R- R� R� ( R Rb Rc ( ( Ra sl /builddir/build/BUILDROOT/imh-python-2.7.12-1.el7.x86_64/opt/imh-python/lib/python2.7/test/test_itertools.pyt test_sf_950057� s %% ( R R R_ Rd ( ( ( sl /builddir/build/BUILDROOT/imh-python-2.7.12-1.el7.x86_64/opt/imh-python/lib/python2.7/test/test_itertools.pyRU h s t SubclassWithKwargsTestc B s e Z d � Z RS( c s� x� t t t t t t t t t t t t f D]` � d � f � f d � � Y} y | d d � Wq+ t k r� } | j d | j d � q+ Xq+ Wd S( Nt Subclassc s e Z d � f d � Z RS( c s � j | | � d S( N( R� ( R t newargR ( t cls( sl /builddir/build/BUILDROOT/imh-python-2.7.12-1.el7.x86_64/opt/imh-python/lib/python2.7/test/test_itertools.pyR� � s N( R R RF R� ( ( Rh ( sl /builddir/build/BUILDROOT/imh-python-2.7.12-1.el7.x86_64/opt/imh-python/lib/python2.7/test/test_itertools.pyRf � s Rg i s does not take keyword argumentsi ( RY R� R� R� R, R� R� R R R R� R{ R/ t assertNotInR ( R Rf t err( ( Rh sl /builddir/build/BUILDROOT/imh-python-2.7.12-1.el7.x86_64/opt/imh-python/lib/python2.7/test/test_itertools.pyt test_keywords_in_subclass� s ( R R Rk ( ( ( sl /builddir/build/BUILDROOT/imh-python-2.7.12-1.el7.x86_64/opt/imh-python/lib/python2.7/test/test_itertools.pyRe � s sm Doctest for examples in the library reference: libitertools.tex >>> amounts = [120.15, 764.05, 823.14] >>> for checknum, amount in izip(count(1200), amounts): ... print 'Check %d is for $%.2f' % (checknum, amount) ... Check 1200 is for $120.15 Check 1201 is for $764.05 Check 1202 is for $823.14 >>> import operator >>> for cube in imap(operator.pow, xrange(1,4), repeat(3)): ... print cube ... 1 8 27 >>> reportlines = ['EuroPython', 'Roster', '', 'alex', '', 'laura', '', 'martin', '', 'walter', '', 'samuele'] >>> for name in islice(reportlines, 3, None, 2): ... print name.title() ... Alex Laura Martin Walter Samuele >>> from operator import itemgetter >>> d = dict(a=1, b=2, c=1, d=2, e=1, f=2, g=3) >>> di = sorted(sorted(d.iteritems()), key=itemgetter(1)) >>> for k, g in groupby(di, itemgetter(1)): ... print k, map(itemgetter(0), g) ... 1 ['a', 'c', 'e'] 2 ['b', 'd', 'f'] 3 ['g'] # Find runs of consecutive numbers using groupby. The key to the solution # is differencing with a range so that consecutive numbers all appear in # same group. >>> data = [ 1, 4,5,6, 10, 15,16,17,18, 22, 25,26,27,28] >>> for k, g in groupby(enumerate(data), lambda t:t[0]-t[1]): ... print map(operator.itemgetter(1), g) ... [1] [4, 5, 6] [10] [15, 16, 17, 18] [22] [25, 26, 27, 28] >>> def take(n, iterable): ... "Return first n items of the iterable as a list" ... return list(islice(iterable, n)) >>> def enumerate(iterable, start=0): ... return izip(count(start), iterable) >>> def tabulate(function, start=0): ... "Return function(0), function(1), ..." ... return imap(function, count(start)) >>> def nth(iterable, n, default=None): ... "Returns the nth item or a default value" ... return next(islice(iterable, n, None), default) >>> def all_equal(iterable): ... "Returns True if all the elements are equal to each other" ... g = groupby(iterable) ... return next(g, True) and not next(g, False) >>> def quantify(iterable, pred=bool): ... "Count how many times the predicate is true" ... return sum(imap(pred, iterable)) >>> def padnone(iterable): ... "Returns the sequence elements and then returns None indefinitely" ... return chain(iterable, repeat(None)) >>> def ncycles(iterable, n): ... "Returns the sequence elements n times" ... return chain(*repeat(iterable, n)) >>> def dotproduct(vec1, vec2): ... return sum(imap(operator.mul, vec1, vec2)) >>> def flatten(listOfLists): ... return list(chain.from_iterable(listOfLists)) >>> def repeatfunc(func, times=None, *args): ... "Repeat calls to func with specified arguments." ... " Example: repeatfunc(random.random)" ... if times is None: ... return starmap(func, repeat(args)) ... else: ... return starmap(func, repeat(args, times)) >>> def pairwise(iterable): ... "s -> (s0,s1), (s1,s2), (s2, s3), ..." ... a, b = tee(iterable) ... for elem in b: ... break ... return izip(a, b) >>> def grouper(n, iterable, fillvalue=None): ... "grouper(3, 'ABCDEFG', 'x') --> ABC DEF Gxx" ... args = [iter(iterable)] * n ... return izip_longest(fillvalue=fillvalue, *args) >>> def roundrobin(*iterables): ... "roundrobin('ABC', 'D', 'EF') --> A D E B F C" ... # Recipe credited to George Sakkis ... pending = len(iterables) ... nexts = cycle(iter(it).next for it in iterables) ... while pending: ... try: ... for next in nexts: ... yield next() ... except StopIteration: ... pending -= 1 ... nexts = cycle(islice(nexts, pending)) >>> def powerset(iterable): ... "powerset([1,2,3]) --> () (1,) (2,) (3,) (1,2) (1,3) (2,3) (1,2,3)" ... s = list(iterable) ... return chain.from_iterable(combinations(s, r) for r in range(len(s)+1)) >>> def unique_everseen(iterable, key=None): ... "List unique elements, preserving order. Remember all elements ever seen." ... # unique_everseen('AAAABBBCCDAABBB') --> A B C D ... # unique_everseen('ABBCcAD', str.lower) --> A B C D ... seen = set() ... seen_add = seen.add ... if key is None: ... for element in iterable: ... if element not in seen: ... seen_add(element) ... yield element ... else: ... for element in iterable: ... k = key(element) ... if k not in seen: ... seen_add(k) ... yield element >>> def unique_justseen(iterable, key=None): ... "List unique elements, preserving order. Remember only the element just seen." ... # unique_justseen('AAAABBBCCDAABBB') --> A B C D A B ... # unique_justseen('ABBCcAD', str.lower) --> A B C A D ... return imap(next, imap(itemgetter(1), groupby(iterable, key))) This is not part of the examples but it tests to make sure the definitions perform as purported. >>> take(10, count()) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> list(enumerate('abc')) [(0, 'a'), (1, 'b'), (2, 'c')] >>> list(islice(tabulate(lambda x: 2*x), 4)) [0, 2, 4, 6] >>> nth('abcde', 3) 'd' >>> nth('abcde', 9) is None True >>> [all_equal(s) for s in ('', 'A', 'AAAA', 'AAAB', 'AAABA')] [True, True, True, False, False] >>> quantify(xrange(99), lambda x: x%2==0) 50 >>> a = [[1, 2, 3], [4, 5, 6]] >>> flatten(a) [1, 2, 3, 4, 5, 6] >>> list(repeatfunc(pow, 5, 2, 3)) [8, 8, 8, 8, 8] >>> import random >>> take(5, imap(int, repeatfunc(random.random))) [0, 0, 0, 0, 0] >>> list(pairwise('abcd')) [('a', 'b'), ('b', 'c'), ('c', 'd')] >>> list(pairwise([])) [] >>> list(pairwise('a')) [] >>> list(islice(padnone('abc'), 0, 6)) ['a', 'b', 'c', None, None, None] >>> list(ncycles('abc', 3)) ['a', 'b', 'c', 'a', 'b', 'c', 'a', 'b', 'c'] >>> dotproduct([1,2,3], [4,5,6]) 32 >>> list(grouper(3, 'abcdefg', 'x')) [('a', 'b', 'c'), ('d', 'e', 'f'), ('g', 'x', 'x')] >>> list(roundrobin('abc', 'd', 'ef')) ['a', 'd', 'e', 'b', 'f', 'c'] >>> list(powerset([1,2,3])) [(), (1,), (2,), (3,), (1, 2), (1, 3), (2, 3), (1, 2, 3)] >>> all(len(list(powerset(range(n)))) == 2**n for n in range(18)) True >>> list(powerset('abcde')) == sorted(sorted(set(powerset('abcde'))), key=len) True >>> list(unique_everseen('AAAABBBCCDAABBB')) ['A', 'B', 'C', 'D'] >>> list(unique_everseen('ABBCcAD', str.lower)) ['A', 'B', 'C', 'D'] >>> list(unique_justseen('AAAABBBCCDAABBB')) ['A', 'B', 'C', 'D', 'A', 'B'] >>> list(unique_justseen('ABBCcAD', str.lower)) ['A', 'B', 'C', 'A', 'D'] t libreftestc C s� t t t t t t t f } t j | � | r� t t d � r� d d l } d g d } xA t t | � � D]- } t j | � | j � t j � | | <qi W| GHn t j t j t | � d S( Nt gettotalrefcounti����i ( R" RF R3 RU RS Re R R t run_unittestt hasattrR� t gcRF R� R7 t collectRm t run_doctestt modulesR ( t verboset test_classesRp t countsR ( ( sl /builddir/build/BUILDROOT/imh-python-2.7.12-1.el7.x86_64/opt/imh-python/lib/python2.7/test/test_itertools.pyt test_main� s t __main__Rt (3 t unittestt testR t itertoolsR� t decimalR t fractionsR R� R R� R� R� t functoolsR t MAX_Py_ssize_tR� t minsizeR R R R R R R R R! t TestCaseR" R R3 R= R> R@ RA R� RC RD RE R RF RS RU Re Rl t __test__RF Rw R R� ( ( ( sl /builddir/build/BUILDROOT/imh-python-2.7.12-1.el7.x86_64/opt/imh-python/lib/python2.7/test/test_itertools.pyt <module> s\ � � � �Ra �=�
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