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How to use pprint method in autotest

Best Python code snippet using autotest_python
test_pprint.py
Source:test_pprint.py
1# -*- coding: utf-8 -*-2import collections3import io4import itertools5import pprint6import random7import test.support8import test.test_set9import types10import unittest11# list, tuple and dict subclasses that do or don't overwrite __repr__12class list2(list):13    pass14class list3(list):15    def __repr__(self):16        return list.__repr__(self)17class tuple2(tuple):18    pass19class tuple3(tuple):20    def __repr__(self):21        return tuple.__repr__(self)22class set2(set):23    pass24class set3(set):25    def __repr__(self):26        return set.__repr__(self)27class frozenset2(frozenset):28    pass29class frozenset3(frozenset):30    def __repr__(self):31        return frozenset.__repr__(self)32class dict2(dict):33    pass34class dict3(dict):35    def __repr__(self):36        return dict.__repr__(self)37class Unorderable:38    def __repr__(self):39        return str(id(self))40# Class Orderable is orderable with any type41class Orderable:42    def __init__(self, hash):43        self._hash = hash44    def __lt__(self, other):45        return False46    def __gt__(self, other):47        return self != other48    def __le__(self, other):49        return self == other50    def __ge__(self, other):51        return True52    def __eq__(self, other):53        return self is other54    def __ne__(self, other):55        return self is not other56    def __hash__(self):57        return self._hash58class QueryTestCase(unittest.TestCase):59    def setUp(self):60        self.a = list(range(100))61        self.b = list(range(200))62        self.a[-12] = self.b63    def test_init(self):64        pp = pprint.PrettyPrinter()65        pp = pprint.PrettyPrinter(indent=4, width=40, depth=5,66                                  stream=io.StringIO(), compact=True)67        pp = pprint.PrettyPrinter(4, 40, 5, io.StringIO())68        pp = pprint.PrettyPrinter(sort_dicts=False)69        with self.assertRaises(TypeError):70            pp = pprint.PrettyPrinter(4, 40, 5, io.StringIO(), True)71        self.assertRaises(ValueError, pprint.PrettyPrinter, indent=-1)72        self.assertRaises(ValueError, pprint.PrettyPrinter, depth=0)73        self.assertRaises(ValueError, pprint.PrettyPrinter, depth=-1)74        self.assertRaises(ValueError, pprint.PrettyPrinter, width=0)75    def test_basic(self):76        # Verify .isrecursive() and .isreadable() w/o recursion77        pp = pprint.PrettyPrinter()78        for safe in (2, 2.0, 2j, "abc", [3], (2,2), {3: 3}, b"def",79                     bytearray(b"ghi"), True, False, None, ...,80                     self.a, self.b):81            # module-level convenience functions82            self.assertFalse(pprint.isrecursive(safe),83                             "expected not isrecursive for %r" % (safe,))84            self.assertTrue(pprint.isreadable(safe),85                            "expected isreadable for %r" % (safe,))86            # PrettyPrinter methods87            self.assertFalse(pp.isrecursive(safe),88                             "expected not isrecursive for %r" % (safe,))89            self.assertTrue(pp.isreadable(safe),90                            "expected isreadable for %r" % (safe,))91    def test_knotted(self):92        # Verify .isrecursive() and .isreadable() w/ recursion93        # Tie a knot.94        self.b[67] = self.a95        # Messy dict.96        self.d = {}97        self.d[0] = self.d[1] = self.d[2] = self.d98        pp = pprint.PrettyPrinter()99        for icky in self.a, self.b, self.d, (self.d, self.d):100            self.assertTrue(pprint.isrecursive(icky), "expected isrecursive")101            self.assertFalse(pprint.isreadable(icky), "expected not isreadable")102            self.assertTrue(pp.isrecursive(icky), "expected isrecursive")103            self.assertFalse(pp.isreadable(icky), "expected not isreadable")104        # Break the cycles.105        self.d.clear()106        del self.a[:]107        del self.b[:]108        for safe in self.a, self.b, self.d, (self.d, self.d):109            # module-level convenience functions110            self.assertFalse(pprint.isrecursive(safe),111                             "expected not isrecursive for %r" % (safe,))112            self.assertTrue(pprint.isreadable(safe),113                            "expected isreadable for %r" % (safe,))114            # PrettyPrinter methods115            self.assertFalse(pp.isrecursive(safe),116                             "expected not isrecursive for %r" % (safe,))117            self.assertTrue(pp.isreadable(safe),118                            "expected isreadable for %r" % (safe,))119    def test_unreadable(self):120        # Not recursive but not readable anyway121        pp = pprint.PrettyPrinter()122        for unreadable in type(3), pprint, pprint.isrecursive:123            # module-level convenience functions124            self.assertFalse(pprint.isrecursive(unreadable),125                             "expected not isrecursive for %r" % (unreadable,))126            self.assertFalse(pprint.isreadable(unreadable),127                             "expected not isreadable for %r" % (unreadable,))128            # PrettyPrinter methods129            self.assertFalse(pp.isrecursive(unreadable),130                             "expected not isrecursive for %r" % (unreadable,))131            self.assertFalse(pp.isreadable(unreadable),132                             "expected not isreadable for %r" % (unreadable,))133    def test_same_as_repr(self):134        # Simple objects, small containers and classes that overwrite __repr__135        # For those the result should be the same as repr().136        # Ahem.  The docs don't say anything about that -- this appears to137        # be testing an implementation quirk.  Starting in Python 2.5, it's138        # not true for dicts:  pprint always sorts dicts by key now; before,139        # it sorted a dict display if and only if the display required140        # multiple lines.  For that reason, dicts with more than one element141        # aren't tested here.142        for simple in (0, 0, 0+0j, 0.0, "", b"", bytearray(),143                       (), tuple2(), tuple3(),144                       [], list2(), list3(),145                       set(), set2(), set3(),146                       frozenset(), frozenset2(), frozenset3(),147                       {}, dict2(), dict3(),148                       self.assertTrue, pprint,149                       -6, -6, -6-6j, -1.5, "x", b"x", bytearray(b"x"),150                       (3,), [3], {3: 6},151                       (1,2), [3,4], {5: 6},152                       tuple2((1,2)), tuple3((1,2)), tuple3(range(100)),153                       [3,4], list2([3,4]), list3([3,4]), list3(range(100)),154                       set({7}), set2({7}), set3({7}),155                       frozenset({8}), frozenset2({8}), frozenset3({8}),156                       dict2({5: 6}), dict3({5: 6}),157                       range(10, -11, -1),158                       True, False, None, ...,159                      ):160            native = repr(simple)161            self.assertEqual(pprint.pformat(simple), native)162            self.assertEqual(pprint.pformat(simple, width=1, indent=0)163                             .replace('\n', ' '), native)164            self.assertEqual(pprint.saferepr(simple), native)165    def test_basic_line_wrap(self):166        # verify basic line-wrapping operation167        o = {'RPM_cal': 0,168             'RPM_cal2': 48059,169             'Speed_cal': 0,170             'controldesk_runtime_us': 0,171             'main_code_runtime_us': 0,172             'read_io_runtime_us': 0,173             'write_io_runtime_us': 43690}174        exp = """\175{'RPM_cal': 0,176 'RPM_cal2': 48059,177 'Speed_cal': 0,178 'controldesk_runtime_us': 0,179 'main_code_runtime_us': 0,180 'read_io_runtime_us': 0,181 'write_io_runtime_us': 43690}"""182        for type in [dict, dict2]:183            self.assertEqual(pprint.pformat(type(o)), exp)184        o = range(100)185        exp = '[%s]' % ',\n '.join(map(str, o))186        for type in [list, list2]:187            self.assertEqual(pprint.pformat(type(o)), exp)188        o = tuple(range(100))189        exp = '(%s)' % ',\n '.join(map(str, o))190        for type in [tuple, tuple2]:191            self.assertEqual(pprint.pformat(type(o)), exp)192        # indent parameter193        o = range(100)194        exp = '[   %s]' % ',\n    '.join(map(str, o))195        for type in [list, list2]:196            self.assertEqual(pprint.pformat(type(o), indent=4), exp)197    def test_nested_indentations(self):198        o1 = list(range(10))199        o2 = dict(first=1, second=2, third=3)200        o = [o1, o2]201        expected = """\202[   [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],203    {'first': 1, 'second': 2, 'third': 3}]"""204        self.assertEqual(pprint.pformat(o, indent=4, width=42), expected)205        expected = """\206[   [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],207    {   'first': 1,208        'second': 2,209        'third': 3}]"""210        self.assertEqual(pprint.pformat(o, indent=4, width=41), expected)211    def test_width(self):212        expected = """\213[[[[[[1, 2, 3],214     '1 2']]]],215 {1: [1, 2, 3],216  2: [12, 34]},217 'abc def ghi',218 ('ab cd ef',),219 set2({1, 23}),220 [[[[[1, 2, 3],221     '1 2']]]]]"""222        o = eval(expected)223        self.assertEqual(pprint.pformat(o, width=15), expected)224        self.assertEqual(pprint.pformat(o, width=16), expected)225        self.assertEqual(pprint.pformat(o, width=25), expected)226        self.assertEqual(pprint.pformat(o, width=14), """\227[[[[[[1,228      2,229      3],230     '1 '231     '2']]]],232 {1: [1,233      2,234      3],235  2: [12,236      34]},237 'abc def '238 'ghi',239 ('ab cd '240  'ef',),241 set2({1,242       23}),243 [[[[[1,244      2,245      3],246     '1 '247     '2']]]]]""")248    def test_sorted_dict(self):249        # Starting in Python 2.5, pprint sorts dict displays by key regardless250        # of how small the dictionary may be.251        # Before the change, on 32-bit Windows pformat() gave order252        # 'a', 'c', 'b' here, so this test failed.253        d = {'a': 1, 'b': 1, 'c': 1}254        self.assertEqual(pprint.pformat(d), "{'a': 1, 'b': 1, 'c': 1}")255        self.assertEqual(pprint.pformat([d, d]),256            "[{'a': 1, 'b': 1, 'c': 1}, {'a': 1, 'b': 1, 'c': 1}]")257        # The next one is kind of goofy.  The sorted order depends on the258        # alphabetic order of type names:  "int" < "str" < "tuple".  Before259        # Python 2.5, this was in the test_same_as_repr() test.  It's worth260        # keeping around for now because it's one of few tests of pprint261        # against a crazy mix of types.262        self.assertEqual(pprint.pformat({"xy\tab\n": (3,), 5: [[]], (): {}}),263            r"{5: [[]], 'xy\tab\n': (3,), (): {}}")264    def test_sort_dict(self):265        d = dict.fromkeys('cba')266        self.assertEqual(pprint.pformat(d, sort_dicts=False), "{'c': None, 'b': None, 'a': None}")267        self.assertEqual(pprint.pformat([d, d], sort_dicts=False),268            "[{'c': None, 'b': None, 'a': None}, {'c': None, 'b': None, 'a': None}]")269    def test_ordered_dict(self):270        d = collections.OrderedDict()271        self.assertEqual(pprint.pformat(d, width=1), 'OrderedDict()')272        d = collections.OrderedDict([])273        self.assertEqual(pprint.pformat(d, width=1), 'OrderedDict()')274        words = 'the quick brown fox jumped over a lazy dog'.split()275        d = collections.OrderedDict(zip(words, itertools.count()))276        self.assertEqual(pprint.pformat(d),277"""\278OrderedDict([('the', 0),279             ('quick', 1),280             ('brown', 2),281             ('fox', 3),282             ('jumped', 4),283             ('over', 5),284             ('a', 6),285             ('lazy', 7),286             ('dog', 8)])""")287    def test_mapping_proxy(self):288        words = 'the quick brown fox jumped over a lazy dog'.split()289        d = dict(zip(words, itertools.count()))290        m = types.MappingProxyType(d)291        self.assertEqual(pprint.pformat(m), """\292mappingproxy({'a': 6,293              'brown': 2,294              'dog': 8,295              'fox': 3,296              'jumped': 4,297              'lazy': 7,298              'over': 5,299              'quick': 1,300              'the': 0})""")301        d = collections.OrderedDict(zip(words, itertools.count()))302        m = types.MappingProxyType(d)303        self.assertEqual(pprint.pformat(m), """\304mappingproxy(OrderedDict([('the', 0),305                          ('quick', 1),306                          ('brown', 2),307                          ('fox', 3),308                          ('jumped', 4),309                          ('over', 5),310                          ('a', 6),311                          ('lazy', 7),312                          ('dog', 8)]))""")313    def test_empty_simple_namespace(self):314        ns = types.SimpleNamespace()315        formatted = pprint.pformat(ns)316        self.assertEqual(formatted, "namespace()")317    def test_small_simple_namespace(self):318        ns = types.SimpleNamespace(a=1, b=2)319        formatted = pprint.pformat(ns)320        self.assertEqual(formatted, "namespace(a=1, b=2)")321    def test_simple_namespace(self):322        ns = types.SimpleNamespace(323            the=0,324            quick=1,325            brown=2,326            fox=3,327            jumped=4,328            over=5,329            a=6,330            lazy=7,331            dog=8,332        )333        formatted = pprint.pformat(ns, width=60)334        self.assertEqual(formatted, """\335namespace(the=0,336          quick=1,337          brown=2,338          fox=3,339          jumped=4,340          over=5,341          a=6,342          lazy=7,343          dog=8)""")344    def test_simple_namespace_subclass(self):345        class AdvancedNamespace(types.SimpleNamespace): pass346        ns = AdvancedNamespace(347            the=0,348            quick=1,349            brown=2,350            fox=3,351            jumped=4,352            over=5,353            a=6,354            lazy=7,355            dog=8,356        )357        formatted = pprint.pformat(ns, width=60)358        self.assertEqual(formatted, """\359AdvancedNamespace(the=0,360                  quick=1,361                  brown=2,362                  fox=3,363                  jumped=4,364                  over=5,365                  a=6,366                  lazy=7,367                  dog=8)""")368    def test_subclassing(self):369        o = {'names with spaces': 'should be presented using repr()',370             'others.should.not.be': 'like.this'}371        exp = """\372{'names with spaces': 'should be presented using repr()',373 others.should.not.be: like.this}"""374        self.assertEqual(DottedPrettyPrinter().pformat(o), exp)375    def test_set_reprs(self):376        self.assertEqual(pprint.pformat(set()), 'set()')377        self.assertEqual(pprint.pformat(set(range(3))), '{0, 1, 2}')378        self.assertEqual(pprint.pformat(set(range(7)), width=20), '''\379{0,380 1,381 2,382 3,383 4,384 5,385 6}''')386        self.assertEqual(pprint.pformat(set2(range(7)), width=20), '''\387set2({0,388      1,389      2,390      3,391      4,392      5,393      6})''')394        self.assertEqual(pprint.pformat(set3(range(7)), width=20),395                         'set3({0, 1, 2, 3, 4, 5, 6})')396        self.assertEqual(pprint.pformat(frozenset()), 'frozenset()')397        self.assertEqual(pprint.pformat(frozenset(range(3))),398                         'frozenset({0, 1, 2})')399        self.assertEqual(pprint.pformat(frozenset(range(7)), width=20), '''\400frozenset({0,401           1,402           2,403           3,404           4,405           5,406           6})''')407        self.assertEqual(pprint.pformat(frozenset2(range(7)), width=20), '''\408frozenset2({0,409            1,410            2,411            3,412            4,413            5,414            6})''')415        self.assertEqual(pprint.pformat(frozenset3(range(7)), width=20),416                         'frozenset3({0, 1, 2, 3, 4, 5, 6})')417    @unittest.expectedFailure418    #See http://bugs.python.org/issue13907419    @test.support.cpython_only420    def test_set_of_sets_reprs(self):421        # This test creates a complex arrangement of frozensets and422        # compares the pretty-printed repr against a string hard-coded in423        # the test.  The hard-coded repr depends on the sort order of424        # frozensets.425        #426        # However, as the docs point out: "Since sets only define427        # partial ordering (subset relationships), the output of the428        # list.sort() method is undefined for lists of sets."429        #430        # In a nutshell, the test assumes frozenset({0}) will always431        # sort before frozenset({1}), but:432        #433        # >>> frozenset({0}) < frozenset({1})434        # False435        # >>> frozenset({1}) < frozenset({0})436        # False437        #438        # Consequently, this test is fragile and439        # implementation-dependent.  Small changes to Python's sort440        # algorithm cause the test to fail when it should pass.441        # XXX Or changes to the dictionary implementation...442        cube_repr_tgt = """\443{frozenset(): frozenset({frozenset({2}), frozenset({0}), frozenset({1})}),444 frozenset({0}): frozenset({frozenset(),445                            frozenset({0, 2}),446                            frozenset({0, 1})}),447 frozenset({1}): frozenset({frozenset(),448                            frozenset({1, 2}),449                            frozenset({0, 1})}),450 frozenset({2}): frozenset({frozenset(),451                            frozenset({1, 2}),452                            frozenset({0, 2})}),453 frozenset({1, 2}): frozenset({frozenset({2}),454                               frozenset({1}),455                               frozenset({0, 1, 2})}),456 frozenset({0, 2}): frozenset({frozenset({2}),457                               frozenset({0}),458                               frozenset({0, 1, 2})}),459 frozenset({0, 1}): frozenset({frozenset({0}),460                               frozenset({1}),461                               frozenset({0, 1, 2})}),462 frozenset({0, 1, 2}): frozenset({frozenset({1, 2}),463                                  frozenset({0, 2}),464                                  frozenset({0, 1})})}"""465        cube = test.test_set.cube(3)466        self.assertEqual(pprint.pformat(cube), cube_repr_tgt)467        cubo_repr_tgt = """\468{frozenset({frozenset({0, 2}), frozenset({0})}): frozenset({frozenset({frozenset({0,469                                                                                  2}),470                                                                       frozenset({0,471                                                                                  1,472                                                                                  2})}),473                                                            frozenset({frozenset({0}),474                                                                       frozenset({0,475                                                                                  1})}),476                                                            frozenset({frozenset(),477                                                                       frozenset({0})}),478                                                            frozenset({frozenset({2}),479                                                                       frozenset({0,480                                                                                  2})})}),481 frozenset({frozenset({0, 1}), frozenset({1})}): frozenset({frozenset({frozenset({0,482                                                                                  1}),483                                                                       frozenset({0,484                                                                                  1,485                                                                                  2})}),486                                                            frozenset({frozenset({0}),487                                                                       frozenset({0,488                                                                                  1})}),489                                                            frozenset({frozenset({1}),490                                                                       frozenset({1,491                                                                                  2})}),492                                                            frozenset({frozenset(),493                                                                       frozenset({1})})}),494 frozenset({frozenset({1, 2}), frozenset({1})}): frozenset({frozenset({frozenset({1,495                                                                                  2}),496                                                                       frozenset({0,497                                                                                  1,498                                                                                  2})}),499                                                            frozenset({frozenset({2}),500                                                                       frozenset({1,501                                                                                  2})}),502                                                            frozenset({frozenset(),503                                                                       frozenset({1})}),504                                                            frozenset({frozenset({1}),505                                                                       frozenset({0,506                                                                                  1})})}),507 frozenset({frozenset({1, 2}), frozenset({2})}): frozenset({frozenset({frozenset({1,508                                                                                  2}),509                                                                       frozenset({0,510                                                                                  1,511                                                                                  2})}),512                                                            frozenset({frozenset({1}),513                                                                       frozenset({1,514                                                                                  2})}),515                                                            frozenset({frozenset({2}),516                                                                       frozenset({0,517                                                                                  2})}),518                                                            frozenset({frozenset(),519                                                                       frozenset({2})})}),520 frozenset({frozenset(), frozenset({0})}): frozenset({frozenset({frozenset({0}),521                                                                 frozenset({0,522                                                                            1})}),523                                                      frozenset({frozenset({0}),524                                                                 frozenset({0,525                                                                            2})}),526                                                      frozenset({frozenset(),527                                                                 frozenset({1})}),528                                                      frozenset({frozenset(),529                                                                 frozenset({2})})}),530 frozenset({frozenset(), frozenset({1})}): frozenset({frozenset({frozenset(),531                                                                 frozenset({0})}),532                                                      frozenset({frozenset({1}),533                                                                 frozenset({1,534                                                                            2})}),535                                                      frozenset({frozenset(),536                                                                 frozenset({2})}),537                                                      frozenset({frozenset({1}),538                                                                 frozenset({0,539                                                                            1})})}),540 frozenset({frozenset({2}), frozenset()}): frozenset({frozenset({frozenset({2}),541                                                                 frozenset({1,542                                                                            2})}),543                                                      frozenset({frozenset(),544                                                                 frozenset({0})}),545                                                      frozenset({frozenset(),546                                                                 frozenset({1})}),547                                                      frozenset({frozenset({2}),548                                                                 frozenset({0,549                                                                            2})})}),550 frozenset({frozenset({0, 1, 2}), frozenset({0, 1})}): frozenset({frozenset({frozenset({1,551                                                                                        2}),552                                                                             frozenset({0,553                                                                                        1,554                                                                                        2})}),555                                                                  frozenset({frozenset({0,556                                                                                        2}),557                                                                             frozenset({0,558                                                                                        1,559                                                                                        2})}),560                                                                  frozenset({frozenset({0}),561                                                                             frozenset({0,562                                                                                        1})}),563                                                                  frozenset({frozenset({1}),564                                                                             frozenset({0,565                                                                                        1})})}),566 frozenset({frozenset({0}), frozenset({0, 1})}): frozenset({frozenset({frozenset(),567                                                                       frozenset({0})}),568                                                            frozenset({frozenset({0,569                                                                                  1}),570                                                                       frozenset({0,571                                                                                  1,572                                                                                  2})}),573                                                            frozenset({frozenset({0}),574                                                                       frozenset({0,575                                                                                  2})}),576                                                            frozenset({frozenset({1}),577                                                                       frozenset({0,578                                                                                  1})})}),579 frozenset({frozenset({2}), frozenset({0, 2})}): frozenset({frozenset({frozenset({0,580                                                                                  2}),581                                                                       frozenset({0,582                                                                                  1,583                                                                                  2})}),584                                                            frozenset({frozenset({2}),585                                                                       frozenset({1,586                                                                                  2})}),587                                                            frozenset({frozenset({0}),588                                                                       frozenset({0,589                                                                                  2})}),590                                                            frozenset({frozenset(),591                                                                       frozenset({2})})}),592 frozenset({frozenset({0, 1, 2}), frozenset({0, 2})}): frozenset({frozenset({frozenset({1,593                                                                                        2}),594                                                                             frozenset({0,595                                                                                        1,596                                                                                        2})}),597                                                                  frozenset({frozenset({0,598                                                                                        1}),599                                                                             frozenset({0,600                                                                                        1,601                                                                                        2})}),602                                                                  frozenset({frozenset({0}),603                                                                             frozenset({0,604                                                                                        2})}),605                                                                  frozenset({frozenset({2}),606                                                                             frozenset({0,607                                                                                        2})})}),608 frozenset({frozenset({1, 2}), frozenset({0, 1, 2})}): frozenset({frozenset({frozenset({0,609                                                                                        2}),610                                                                             frozenset({0,611                                                                                        1,612                                                                                        2})}),613                                                                  frozenset({frozenset({0,614                                                                                        1}),615                                                                             frozenset({0,616                                                                                        1,617                                                                                        2})}),618                                                                  frozenset({frozenset({2}),619                                                                             frozenset({1,620                                                                                        2})}),621                                                                  frozenset({frozenset({1}),622                                                                             frozenset({1,623                                                                                        2})})})}"""624        cubo = test.test_set.linegraph(cube)625        self.assertEqual(pprint.pformat(cubo), cubo_repr_tgt)626    def test_depth(self):627        nested_tuple = (1, (2, (3, (4, (5, 6)))))628        nested_dict = {1: {2: {3: {4: {5: {6: 6}}}}}}629        nested_list = [1, [2, [3, [4, [5, [6, []]]]]]]630        self.assertEqual(pprint.pformat(nested_tuple), repr(nested_tuple))631        self.assertEqual(pprint.pformat(nested_dict), repr(nested_dict))632        self.assertEqual(pprint.pformat(nested_list), repr(nested_list))633        lv1_tuple = '(1, (...))'634        lv1_dict = '{1: {...}}'635        lv1_list = '[1, [...]]'636        self.assertEqual(pprint.pformat(nested_tuple, depth=1), lv1_tuple)637        self.assertEqual(pprint.pformat(nested_dict, depth=1), lv1_dict)638        self.assertEqual(pprint.pformat(nested_list, depth=1), lv1_list)639    def test_sort_unorderable_values(self):640        # Issue 3976:  sorted pprints fail for unorderable values.641        n = 20642        keys = [Unorderable() for i in range(n)]643        random.shuffle(keys)644        skeys = sorted(keys, key=id)645        clean = lambda s: s.replace(' ', '').replace('\n','')646        self.assertEqual(clean(pprint.pformat(set(keys))),647            '{' + ','.join(map(repr, skeys)) + '}')648        self.assertEqual(clean(pprint.pformat(frozenset(keys))),649            'frozenset({' + ','.join(map(repr, skeys)) + '})')650        self.assertEqual(clean(pprint.pformat(dict.fromkeys(keys))),651            '{' + ','.join('%r:None' % k for k in skeys) + '}')652        # Issue 10017: TypeError on user-defined types as dict keys.653        self.assertEqual(pprint.pformat({Unorderable: 0, 1: 0}),654                         '{1: 0, ' + repr(Unorderable) +': 0}')655        # Issue 14998: TypeError on tuples with NoneTypes as dict keys.656        keys = [(1,), (None,)]657        self.assertEqual(pprint.pformat(dict.fromkeys(keys, 0)),658                         '{%r: 0, %r: 0}' % tuple(sorted(keys, key=id)))659    def test_sort_orderable_and_unorderable_values(self):660        # Issue 22721:  sorted pprints is not stable661        a = Unorderable()662        b = Orderable(hash(a))  # should have the same hash value663        # self-test664        self.assertLess(a, b)665        self.assertLess(str(type(b)), str(type(a)))666        self.assertEqual(sorted([b, a]), [a, b])667        self.assertEqual(sorted([a, b]), [a, b])668        # set669        self.assertEqual(pprint.pformat(set([b, a]), width=1),670                         '{%r,\n %r}' % (a, b))671        self.assertEqual(pprint.pformat(set([a, b]), width=1),672                         '{%r,\n %r}' % (a, b))673        # dict674        self.assertEqual(pprint.pformat(dict.fromkeys([b, a]), width=1),675                         '{%r: None,\n %r: None}' % (a, b))676        self.assertEqual(pprint.pformat(dict.fromkeys([a, b]), width=1),677                         '{%r: None,\n %r: None}' % (a, b))678    def test_str_wrap(self):679        # pprint tries to wrap strings intelligently680        fox = 'the quick brown fox jumped over a lazy dog'681        self.assertEqual(pprint.pformat(fox, width=19), """\682('the quick brown '683 'fox jumped over '684 'a lazy dog')""")685        self.assertEqual(pprint.pformat({'a': 1, 'b': fox, 'c': 2},686                                        width=25), """\687{'a': 1,688 'b': 'the quick brown '689      'fox jumped over '690      'a lazy dog',691 'c': 2}""")692        # With some special characters693        # - \n always triggers a new line in the pprint694        # - \t and \n are escaped695        # - non-ASCII is allowed696        # - an apostrophe doesn't disrupt the pprint697        special = "Portons dix bons \"whiskys\"\nÃ  l'avocat goujat\t qui fumait au zoo"698        self.assertEqual(pprint.pformat(special, width=68), repr(special))699        self.assertEqual(pprint.pformat(special, width=31), """\700('Portons dix bons "whiskys"\\n'701 "Ã  l'avocat goujat\\t qui "702 'fumait au zoo')""")703        self.assertEqual(pprint.pformat(special, width=20), """\704('Portons dix bons '705 '"whiskys"\\n'706 "Ã  l'avocat "707 'goujat\\t qui '708 'fumait au zoo')""")709        self.assertEqual(pprint.pformat([[[[[special]]]]], width=35), """\710[[[[['Portons dix bons "whiskys"\\n'711     "Ã  l'avocat goujat\\t qui "712     'fumait au zoo']]]]]""")713        self.assertEqual(pprint.pformat([[[[[special]]]]], width=25), """\714[[[[['Portons dix bons '715     '"whiskys"\\n'716     "Ã  l'avocat "717     'goujat\\t qui '718     'fumait au zoo']]]]]""")719        self.assertEqual(pprint.pformat([[[[[special]]]]], width=23), """\720[[[[['Portons dix '721     'bons "whiskys"\\n'722     "Ã  l'avocat "723     'goujat\\t qui '724     'fumait au '725     'zoo']]]]]""")726        # An unwrappable string is formatted as its repr727        unwrappable = "x" * 100728        self.assertEqual(pprint.pformat(unwrappable, width=80), repr(unwrappable))729        self.assertEqual(pprint.pformat(''), "''")730        # Check that the pprint is a usable repr731        special *= 10732        for width in range(3, 40):733            formatted = pprint.pformat(special, width=width)734            self.assertEqual(eval(formatted), special)735            formatted = pprint.pformat([special] * 2, width=width)736            self.assertEqual(eval(formatted), [special] * 2)737    def test_compact(self):738        o = ([list(range(i * i)) for i in range(5)] +739             [list(range(i)) for i in range(6)])740        expected = """\741[[], [0], [0, 1, 2, 3],742 [0, 1, 2, 3, 4, 5, 6, 7, 8],743 [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,744  14, 15],745 [], [0], [0, 1], [0, 1, 2], [0, 1, 2, 3],746 [0, 1, 2, 3, 4]]"""747        self.assertEqual(pprint.pformat(o, width=47, compact=True), expected)748    def test_compact_width(self):749        levels = 20750        number = 10751        o = [0] * number752        for i in range(levels - 1):753            o = [o]754        for w in range(levels * 2 + 1, levels + 3 * number - 1):755            lines = pprint.pformat(o, width=w, compact=True).splitlines()756            maxwidth = max(map(len, lines))757            self.assertLessEqual(maxwidth, w)758            self.assertGreater(maxwidth, w - 3)759    def test_bytes_wrap(self):760        self.assertEqual(pprint.pformat(b'', width=1), "b''")761        self.assertEqual(pprint.pformat(b'abcd', width=1), "b'abcd'")762        letters = b'abcdefghijklmnopqrstuvwxyz'763        self.assertEqual(pprint.pformat(letters, width=29), repr(letters))764        self.assertEqual(pprint.pformat(letters, width=19), """\765(b'abcdefghijkl'766 b'mnopqrstuvwxyz')""")767        self.assertEqual(pprint.pformat(letters, width=18), """\768(b'abcdefghijkl'769 b'mnopqrstuvwx'770 b'yz')""")771        self.assertEqual(pprint.pformat(letters, width=16), """\772(b'abcdefghijkl'773 b'mnopqrstuvwx'774 b'yz')""")775        special = bytes(range(16))776        self.assertEqual(pprint.pformat(special, width=61), repr(special))777        self.assertEqual(pprint.pformat(special, width=48), """\778(b'\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\\x08\\t\\n\\x0b'779 b'\\x0c\\r\\x0e\\x0f')""")780        self.assertEqual(pprint.pformat(special, width=32), """\781(b'\\x00\\x01\\x02\\x03'782 b'\\x04\\x05\\x06\\x07\\x08\\t\\n\\x0b'783 b'\\x0c\\r\\x0e\\x0f')""")784        self.assertEqual(pprint.pformat(special, width=1), """\785(b'\\x00\\x01\\x02\\x03'786 b'\\x04\\x05\\x06\\x07'787 b'\\x08\\t\\n\\x0b'788 b'\\x0c\\r\\x0e\\x0f')""")789        self.assertEqual(pprint.pformat({'a': 1, 'b': letters, 'c': 2},790                                        width=21), """\791{'a': 1,792 'b': b'abcdefghijkl'793      b'mnopqrstuvwx'794      b'yz',795 'c': 2}""")796        self.assertEqual(pprint.pformat({'a': 1, 'b': letters, 'c': 2},797                                        width=20), """\798{'a': 1,799 'b': b'abcdefgh'800      b'ijklmnop'801      b'qrstuvwxyz',802 'c': 2}""")803        self.assertEqual(pprint.pformat([[[[[[letters]]]]]], width=25), """\804[[[[[[b'abcdefghijklmnop'805      b'qrstuvwxyz']]]]]]""")806        self.assertEqual(pprint.pformat([[[[[[special]]]]]], width=41), """\807[[[[[[b'\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07'808      b'\\x08\\t\\n\\x0b\\x0c\\r\\x0e\\x0f']]]]]]""")809        # Check that the pprint is a usable repr810        for width in range(1, 64):811            formatted = pprint.pformat(special, width=width)812            self.assertEqual(eval(formatted), special)813            formatted = pprint.pformat([special] * 2, width=width)814            self.assertEqual(eval(formatted), [special] * 2)815    def test_bytearray_wrap(self):816        self.assertEqual(pprint.pformat(bytearray(), width=1), "bytearray(b'')")817        letters = bytearray(b'abcdefghijklmnopqrstuvwxyz')818        self.assertEqual(pprint.pformat(letters, width=40), repr(letters))819        self.assertEqual(pprint.pformat(letters, width=28), """\820bytearray(b'abcdefghijkl'821          b'mnopqrstuvwxyz')""")822        self.assertEqual(pprint.pformat(letters, width=27), """\823bytearray(b'abcdefghijkl'824          b'mnopqrstuvwx'825          b'yz')""")826        self.assertEqual(pprint.pformat(letters, width=25), """\827bytearray(b'abcdefghijkl'828          b'mnopqrstuvwx'829          b'yz')""")830        special = bytearray(range(16))831        self.assertEqual(pprint.pformat(special, width=72), repr(special))832        self.assertEqual(pprint.pformat(special, width=57), """\833bytearray(b'\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\\x08\\t\\n\\x0b'834          b'\\x0c\\r\\x0e\\x0f')""")835        self.assertEqual(pprint.pformat(special, width=41), """\836bytearray(b'\\x00\\x01\\x02\\x03'837          b'\\x04\\x05\\x06\\x07\\x08\\t\\n\\x0b'838          b'\\x0c\\r\\x0e\\x0f')""")839        self.assertEqual(pprint.pformat(special, width=1), """\840bytearray(b'\\x00\\x01\\x02\\x03'841          b'\\x04\\x05\\x06\\x07'842          b'\\x08\\t\\n\\x0b'843          b'\\x0c\\r\\x0e\\x0f')""")844        self.assertEqual(pprint.pformat({'a': 1, 'b': letters, 'c': 2},845                                        width=31), """\846{'a': 1,847 'b': bytearray(b'abcdefghijkl'848                b'mnopqrstuvwx'849                b'yz'),850 'c': 2}""")851        self.assertEqual(pprint.pformat([[[[[letters]]]]], width=37), """\852[[[[[bytearray(b'abcdefghijklmnop'853               b'qrstuvwxyz')]]]]]""")854        self.assertEqual(pprint.pformat([[[[[special]]]]], width=50), """\855[[[[[bytearray(b'\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07'856               b'\\x08\\t\\n\\x0b\\x0c\\r\\x0e\\x0f')]]]]]""")857    def test_default_dict(self):858        d = collections.defaultdict(int)859        self.assertEqual(pprint.pformat(d, width=1), "defaultdict(<class 'int'>, {})")860        words = 'the quick brown fox jumped over a lazy dog'.split()861        d = collections.defaultdict(int, zip(words, itertools.count()))862        self.assertEqual(pprint.pformat(d),863"""\864defaultdict(<class 'int'>,865            {'a': 6,866             'brown': 2,867             'dog': 8,868             'fox': 3,869             'jumped': 4,870             'lazy': 7,871             'over': 5,872             'quick': 1,873             'the': 0})""")874    def test_counter(self):875        d = collections.Counter()876        self.assertEqual(pprint.pformat(d, width=1), "Counter()")877        d = collections.Counter('senselessness')878        self.assertEqual(pprint.pformat(d, width=40),879"""\880Counter({'s': 6,881         'e': 4,882         'n': 2,883         'l': 1})""")884    def test_chainmap(self):885        d = collections.ChainMap()886        self.assertEqual(pprint.pformat(d, width=1), "ChainMap({})")887        words = 'the quick brown fox jumped over a lazy dog'.split()888        items = list(zip(words, itertools.count()))889        d = collections.ChainMap(dict(items))890        self.assertEqual(pprint.pformat(d),891"""\892ChainMap({'a': 6,893          'brown': 2,894          'dog': 8,895          'fox': 3,896          'jumped': 4,897          'lazy': 7,898          'over': 5,899          'quick': 1,900          'the': 0})""")901        d = collections.ChainMap(dict(items), collections.OrderedDict(items))902        self.assertEqual(pprint.pformat(d),903"""\904ChainMap({'a': 6,905          'brown': 2,906          'dog': 8,907          'fox': 3,908          'jumped': 4,909          'lazy': 7,910          'over': 5,911          'quick': 1,912          'the': 0},913         OrderedDict([('the', 0),914                      ('quick', 1),915                      ('brown', 2),916                      ('fox', 3),917                      ('jumped', 4),918                      ('over', 5),919                      ('a', 6),920                      ('lazy', 7),921                      ('dog', 8)]))""")922    def test_deque(self):923        d = collections.deque()924        self.assertEqual(pprint.pformat(d, width=1), "deque([])")925        d = collections.deque(maxlen=7)926        self.assertEqual(pprint.pformat(d, width=1), "deque([], maxlen=7)")927        words = 'the quick brown fox jumped over a lazy dog'.split()928        d = collections.deque(zip(words, itertools.count()))929        self.assertEqual(pprint.pformat(d),930"""\931deque([('the', 0),932       ('quick', 1),933       ('brown', 2),934       ('fox', 3),935       ('jumped', 4),936       ('over', 5),937       ('a', 6),938       ('lazy', 7),939       ('dog', 8)])""")940        d = collections.deque(zip(words, itertools.count()), maxlen=7)941        self.assertEqual(pprint.pformat(d),942"""\943deque([('brown', 2),944       ('fox', 3),945       ('jumped', 4),946       ('over', 5),947       ('a', 6),948       ('lazy', 7),949       ('dog', 8)],950      maxlen=7)""")951    def test_user_dict(self):952        d = collections.UserDict()953        self.assertEqual(pprint.pformat(d, width=1), "{}")954        words = 'the quick brown fox jumped over a lazy dog'.split()955        d = collections.UserDict(zip(words, itertools.count()))956        self.assertEqual(pprint.pformat(d),957"""\958{'a': 6,959 'brown': 2,960 'dog': 8,961 'fox': 3,962 'jumped': 4,963 'lazy': 7,964 'over': 5,965 'quick': 1,966 'the': 0}""")967    def test_user_list(self):968        d = collections.UserList()969        self.assertEqual(pprint.pformat(d, width=1), "[]")970        words = 'the quick brown fox jumped over a lazy dog'.split()971        d = collections.UserList(zip(words, itertools.count()))972        self.assertEqual(pprint.pformat(d),973"""\974[('the', 0),975 ('quick', 1),976 ('brown', 2),977 ('fox', 3),978 ('jumped', 4),979 ('over', 5),980 ('a', 6),981 ('lazy', 7),982 ('dog', 8)]""")983    def test_user_string(self):984        d = collections.UserString('')985        self.assertEqual(pprint.pformat(d, width=1), "''")986        d = collections.UserString('the quick brown fox jumped over a lazy dog')987        self.assertEqual(pprint.pformat(d, width=20),988"""\989('the quick brown '990 'fox jumped over '991 'a lazy dog')""")992        self.assertEqual(pprint.pformat({1: d}, width=20),993"""\994{1: 'the quick '995    'brown fox '996    'jumped over a '997    'lazy dog'}""")998class DottedPrettyPrinter(pprint.PrettyPrinter):999    def format(self, object, context, maxlevels, level):1000        if isinstance(object, str):1001            if ' ' in object:1002                return repr(object), 1, 01003            else:1004                return object, 0, 01005        else:1006            return pprint.PrettyPrinter.format(1007                self, object, context, maxlevels, level)1008if __name__ == "__main__":...
Automation Testing Tutorials

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