def test_chainmap(self, advanced_file_regression: AdvancedFileRegressionFixture):
d: collections.ChainMap = collections.ChainMap()
assert FancyPrinter(width=1).pformat(d) == "ChainMap({})"
words = "the quick brown fox jumped over a lazy dog".split()
items = list(zip(words, itertools.count()))
d = collections.ChainMap(dict(items))
advanced_file_regression.check(FancyPrinter().pformat(d))
def pformat_tabs(
obj: object,
width: int = 80,
depth: Optional[int] = None,
*,
compact: bool = False,
) -> str:
"""
Format a Python object into a pretty-printed representation.
Indentation is set at one tab.
:param obj: The object to format.
:param width: The maximum width of the output.
:param depth:
:param compact:
"""
prettyprinter = FancyPrinter(indent=4, width=width, depth=depth, compact=compact)
buf = StringList()
for line in prettyprinter.pformat(obj).splitlines():
buf.append(re.sub("^ {4}", r"\t", line))
return str(buf)
def test_ordered_dict(self, advanced_file_regression: AdvancedFileRegressionFixture): d: collections.OrderedDict = collections.OrderedDict() assert FancyPrinter(width=1).pformat(d) == "OrderedDict()" d = collections.OrderedDict([]) assert FancyPrinter(width=1).pformat(d) == "OrderedDict()" words = "the quick brown fox jumped over a lazy dog".split() d = collections.OrderedDict(zip(words, itertools.count())) advanced_file_regression.check(FancyPrinter().pformat(d))
def test_sort_orderable_and_unorderable_values(self):
# Issue 22721: sorted pprints is not stable
a = Unorderable()
b = Orderable(hash(a)) # should have the same hash value
# self-test
assert a < b
assert str(type(b)) < str(type(a))
assert sorted([b, a]) == [a, b] # type: ignore
assert sorted([a, b]) == [a, b] # type: ignore
# set
assert FancyPrinter(width=1).pformat({b, a}) == f"{{\n {a!r},\n {b!r},\n }}"
assert FancyPrinter(width=1).pformat({a, b}) == f"{{\n {a!r},\n {b!r},\n }}"
# dict
assert FancyPrinter(width=1).pformat(dict.fromkeys([b, a])) == f"{{\n {b!r}: None,\n {a!r}: None,\n }}"
assert FancyPrinter(width=1).pformat(dict.fromkeys([a, b])) == f"{{\n {a!r}: None,\n {b!r}: None,\n }}"
def format(self, object, context, maxlevels, level): # noqa: A002,A003 # pylint: disable=redefined-builtin if isinstance(object, str): if ' ' in object: return repr(object), 1, 0 else: return object, 0, 0 else: return FancyPrinter.format(self, object, context, maxlevels, level)
def test_list(self): assert FancyPrinter().pformat([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) == "[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]" assert FancyPrinter().pformat(fruit) == dedent( """\ [ 'apple', 'orange', 'pear', 'lemon', 'grape', 'strawberry', 'banana', 'plum', 'tomato', 'cherry', 'blackcurrant', ]""" )
def test_sort_unorderable_values(self):
# Issue 3976: sorted pprints fail for unorderable values.
n = 20
keys = [Unorderable() for i in range(n)]
random.shuffle(keys)
skeys = sorted(keys, key=id)
clean = lambda s: s.replace(' ', '').replace('\n', '')
assert clean(FancyPrinter().pformat(set(keys))) == '{' + ','.join(map(repr, skeys)) + ",}"
assert clean(FancyPrinter().pformat(frozenset(keys))) == "frozenset({" + ','.join(map(repr, skeys)) + ",})"
assert clean(FancyPrinter().pformat(dict.fromkeys(keys))
) == '{' + ','.join("%r:None" % k for k in keys) + ",}"
# Issue 10017: TypeError on user-defined types as dict keys.
assert FancyPrinter().pformat({Unorderable: 0, 1: 0}) == "{1: 0, " + repr(Unorderable) + ": 0}"
# Issue 14998: TypeError on tuples with NoneTypes as dict keys.
keys = [(1, ), (None, )] # type: ignore
assert FancyPrinter().pformat(dict.fromkeys(keys, 0)) == "{%r: 0, %r: 0}" % tuple(sorted(keys, key=id))
def test_compact(self): o = ([list(range(i * i)) for i in range(5)] + [list(range(i)) for i in range(6)]) expected = """\ [[], [0], [0, 1, 2, 3], [0, 1, 2, 3, 4, 5, 6, 7, 8], [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15], [], [0], [0, 1], [0, 1, 2], [0, 1, 2, 3], [0, 1, 2, 3, 4]]""" assert FancyPrinter(width=47, compact=True).pformat(o, ) == expected
def test_sorted_dict(self):
# Starting in Python 2.5, pprint sorts dict displays by key regardless
# of how small the dictionary may be.
# Before the change, on 32-bit Windows pformat() gave order
# 'a', 'c', 'b' here, so this test failed.
d = {'a': 1, 'b': 1, 'c': 1}
assert FancyPrinter().pformat(d) == "{'a': 1, 'b': 1, 'c': 1}"
assert FancyPrinter().pformat([d, d]) == "[{'a': 1, 'b': 1, 'c': 1}, {'a': 1, 'b': 1, 'c': 1}]"
# The next one is kind of goofy. The sorted order depends on the
# alphabetic order of type names: "int" < "str" < "tuple". Before
# Python 2.5, this was in the test_same_as_repr() test. It's worth
# keeping around for now because it's one of few tests of pprint
# against a crazy mix of types.
assert FancyPrinter().pformat({
"xy\tab\n": (3, ),
5: [[]],
(): {},
}) == r"{5: [[]], 'xy\tab\n': (3,), (): {}}"
def test_compact_width(self): levels = 20 number = 10 o = [0] * number for i in range(levels - 1): o = [o] # type: ignore for w in range(levels * 2 + 1, levels + 3 * number - 1): lines = FancyPrinter(width=w, compact=True).pformat(o, ).splitlines() maxwidth = max(map(len, lines)) assert maxwidth <= w maxwidth > w - 3 # pylint: disable=pointless-statement
def __repr__(self) -> str:
"""
Returns a string representation of the :class:`~mh_utils.cef_parser.Compound`.
"""
results_repr = FancyPrinter(indent=4,
width=80,
depth=None,
compact=False).pformat(self.results)
return f"<Compound({results_repr})>"
def test_nested_indentations(self):
o1 = list(range(10))
o2 = dict(first=1, second=2, third=3)
o = [o1, o2]
expected = """\
[
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
{'first': 1, 'second': 2, 'third': 3},
]"""
assert FancyPrinter(indent=4, width=42).pformat(o) == expected
expected = """\
[
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
{
'first': 1,
'second': 2,
'third': 3,
},
]"""
assert FancyPrinter(indent=4, width=41).pformat(o) == expected
def test_init(self): FancyPrinter() FancyPrinter(indent=4, width=40, depth=5, stream=io.StringIO(), compact=True) FancyPrinter(4, 40, 5, io.StringIO()) with pytest.raises(TypeError): FancyPrinter(4, 40, 5, io.StringIO(), True) with pytest.raises(ValueError): FancyPrinter(indent=-1) with pytest.raises(ValueError): FancyPrinter(depth=0) with pytest.raises(ValueError): FancyPrinter(depth=-1) with pytest.raises(ValueError): FancyPrinter(width=0)
def test_knotted(self):
a = list(range(100))
b = list(range(200))
a[-12] = b
# Verify .isrecursive() and .isreadable() w/ recursion
# Tie a knot.
b[67] = a
# Messy dict.
d = {}
d[0] = d[1] = d[2] = d
pp = FancyPrinter()
for icky in a, b, d, (d, d):
assert pp.isrecursive(icky), "expected isrecursive"
assert not pp.isreadable(icky), "expected not isreadable"
# Break the cycles.
d.clear()
del a[:]
del b[:]
for safe in a, b, d, (d, d):
# module-level convenience functions
# PrettyPrinter methods
assert not pp.isrecursive(safe), f"expected not isrecursive for {safe!r}"
assert pp.isreadable(safe), f"expected isreadable for {safe!r}"
def test_basic_line_wrap(self):
# verify basic line-wrapping operation
o = {
"RPM_cal": 0,
"RPM_cal2": 48059,
"Speed_cal": 0,
"controldesk_runtime_us": 0,
"main_code_runtime_us": 0,
"read_io_runtime_us": 0,
"write_io_runtime_us": 43690
}
exp = """\
{
'RPM_cal': 0,
'RPM_cal2': 48059,
'Speed_cal': 0,
'controldesk_runtime_us': 0,
'main_code_runtime_us': 0,
'read_io_runtime_us': 0,
'write_io_runtime_us': 43690,
}"""
for t in [dict, dict2]:
assert FancyPrinter().pformat(t(o)) == exp
o = range(100)
exp = "[\n %s,\n ]" % ",\n ".join(map(str, o))
for t in [list, list2]:
assert FancyPrinter().pformat(t(o)) == exp
o = tuple(range(100))
exp = "(\n %s,\n )" % ",\n ".join(map(str, o))
for t in [tuple, tuple2]:
assert FancyPrinter().pformat(t(o)) == exp
# indent parameter
o = range(100)
exp = "[\n %s,\n ]" % ",\n ".join(map(str, o))
for t in [list, list2]:
assert FancyPrinter(indent=4).pformat(t(o)) == exp
def test_width(self):
expected = """\
[
[
[
[
[
[1, 2, 3],
'1 2',
],
],
],
],
{
1: [1, 2, 3],
2: [12, 34],
},
'abc def ghi',
('ab cd ef',),
set2({1, 23}),
[
[
[
[
[1, 2, 3],
'1 2',
],
],
],
],
]"""
eval_ = eval
o = eval_(expected)
assert FancyPrinter(width=15).pformat(o) == expected
assert FancyPrinter(width=16).pformat(o) == expected
assert FancyPrinter(width=25).pformat(o) == expected
assert FancyPrinter(width=14).pformat(
o
) == """\
def test_deque(self):
d: collections.deque = collections.deque()
assert FancyPrinter(width=1).pformat(d) == "deque([])"
d = collections.deque(maxlen=7)
assert FancyPrinter(width=1).pformat(d) == "deque([], maxlen=7)"
words = "the quick brown fox jumped over a lazy dog".split()
d = collections.deque(zip(words, itertools.count()))
assert FancyPrinter().pformat(
d
) == """\
deque([('the', 0),
('quick', 1),
('brown', 2),
('fox', 3),
('jumped', 4),
('over', 5),
('a', 6),
('lazy', 7),
('dog', 8)])"""
d = collections.deque(zip(words, itertools.count()), maxlen=7)
assert FancyPrinter().pformat(
d
) == """\
def test_mapping_proxy(self):
words = "the quick brown fox jumped over a lazy dog".split()
d = dict(zip(words, itertools.count()))
m = types.MappingProxyType(d)
assert FancyPrinter().pformat(
m
) == """\
mappingproxy({
'the': 0,
'quick': 1,
'brown': 2,
'fox': 3,
'jumped': 4,
'over': 5,
'a': 6,
'lazy': 7,
'dog': 8,
})"""
d = collections.OrderedDict(zip(words, itertools.count()))
m = types.MappingProxyType(d)
assert FancyPrinter().pformat(
m
) == """\
def test_depth(self):
nested_tuple = (1, (2, (3, (4, (5, 6)))))
nested_dict = {1: {2: {3: {4: {5: {6: 6}}}}}}
nested_list = [1, [2, [3, [4, [5, [6, []]]]]]]
assert FancyPrinter().pformat(nested_tuple) == repr(nested_tuple)
assert FancyPrinter().pformat(nested_dict) == repr(nested_dict)
assert FancyPrinter().pformat(nested_list) == repr(nested_list)
lv1_tuple = "(1, (...))"
lv1_dict = "{1: {...}}"
lv1_list = "[1, [...]]"
assert FancyPrinter(depth=1).pformat(nested_tuple) == lv1_tuple
assert FancyPrinter(depth=1).pformat(nested_dict) == lv1_dict
assert FancyPrinter(depth=1).pformat(nested_list) == lv1_list
def test_user_dict(self, advanced_file_regression: AdvancedFileRegressionFixture):
d: collections.UserDict = collections.UserDict()
assert FancyPrinter(width=1).pformat(d) == "{}"
words = "the quick brown fox jumped over a lazy dog".split()
d = collections.UserDict(zip(words, itertools.count())) # type: ignore
advanced_file_regression.check(FancyPrinter().pformat(d))
def test_chainmap_nested(self, advanced_file_regression: AdvancedFileRegressionFixture): words = "the quick brown fox jumped over a lazy dog".split() items = list(zip(words, itertools.count())) d = collections.ChainMap(dict(items), collections.OrderedDict(items)) advanced_file_regression.check(FancyPrinter().pformat(d))
def test_counter(self, advanced_file_regression: AdvancedFileRegressionFixture):
d: collections.Counter = collections.Counter()
assert FancyPrinter(width=1).pformat(d) == "Counter()"
d = collections.Counter("senselessness")
advanced_file_regression.check(FancyPrinter(width=40).pformat(d))
def test_default_dict(self, advanced_file_regression: AdvancedFileRegressionFixture):
d: collections.defaultdict = collections.defaultdict(int)
assert FancyPrinter(width=1).pformat(d) == "defaultdict(<class 'int'>, {})"
words = "the quick brown fox jumped over a lazy dog".split()
d = collections.defaultdict(int, zip(words, itertools.count()))
advanced_file_regression.check(FancyPrinter().pformat(d))
def test_frozenset_reprs(self, value, width, advanced_file_regression: AdvancedFileRegressionFixture):
assert FancyPrinter().pformat(frozenset()) == "frozenset()"
assert FancyPrinter().pformat(frozenset(range(3))) == "frozenset({0, 1, 2})"
advanced_file_regression.check(FancyPrinter(width=width).pformat(value))
def test_empty_simple_namespace(self): ns = types.SimpleNamespace() formatted = FancyPrinter().pformat(ns) assert formatted == "namespace()"
def test_user_string(self, value, width, expects): assert FancyPrinter(width=width).pformat(value) == expects
def test_bytearray_wrap(self, value, width, advanced_file_regression: AdvancedFileRegressionFixture): advanced_file_regression.check(FancyPrinter(width=width).pformat(value))
def test_small_simple_namespace(self): ns = types.SimpleNamespace(a=1, b=2) formatted = FancyPrinter().pformat(ns) assert formatted == "namespace(a=1, b=2)"
def test_str_wrap(self):
# pprint tries to wrap strings intelligently
fox = "the quick brown fox jumped over a lazy dog"
assert FancyPrinter(width=19
).pformat(fox) == """\
('the quick brown '
'fox jumped over '
'a lazy dog')"""
assert FancyPrinter(width=25).pformat({'a': 1, 'b': fox, 'c': 2}) == """\
{
'a': 1,
'b': 'the quick brown '
'fox jumped over '
'a lazy dog',
'c': 2,
}"""
# With some special characters
# - \n always triggers a new line in the pprint
# - \t and \n are escaped
# - non-ASCII is allowed
# - an apostrophe doesn't disrupt the pprint
special = "Portons dix bons \"whiskys\"\nà l'avocat goujat\t qui fumait au zoo"
assert FancyPrinter(width=68).pformat(special) == repr(special)
assert FancyPrinter(width=31).pformat(
special
) == """\
('Portons dix bons "whiskys"\\n'
"à l'avocat goujat\\t qui "
'fumait au zoo')"""
assert FancyPrinter(width=20).pformat(
special
) == """\
('Portons dix bons '
'"whiskys"\\n'
"à l'avocat "
'goujat\\t qui '
'fumait au zoo')"""
assert FancyPrinter(width=35).pformat([[[[[special]]]]]) == """\
[
[
[
[
[
'Portons dix bons "whiskys"\\n'
"à l'avocat goujat\\t qui "
'fumait au zoo',
],
],
],
],
]"""
assert FancyPrinter(width=25).pformat([[[[[special]]]]]) == """\
[
[
[
[
[
'Portons dix bons '
'"whiskys"\\n'
"à l'avocat "
'goujat\\t qui '
'fumait au zoo',
],
],
],
],
]"""
assert FancyPrinter(width=23).pformat([[[[[special]]]]]) == """\
[
[
[
[
[
'Portons dix '
'bons "whiskys"\\n'
"à l'avocat "
'goujat\\t qui '
'fumait au '
'zoo',
],
],
],
],
]"""
# An unwrappable string is formatted as its repr
unwrappable = 'x' * 100
assert FancyPrinter(width=80).pformat(unwrappable) == repr(unwrappable)
assert FancyPrinter().pformat('') == "''"
# Check that the pprint is a usable repr
special *= 10
eval_ = eval
for width in range(3, 40):
assert eval_(FancyPrinter(width=width).pformat(special)) == special
assert eval_(FancyPrinter(width=width).pformat([special] * 2)) == [special] * 2
def test_bytes_wrap(self):
assert FancyPrinter(width=1).pformat(b'') == "b''"
assert FancyPrinter(width=1).pformat(b"abcd") == "b'abcd'"
letters = b"abcdefghijklmnopqrstuvwxyz"
assert FancyPrinter(width=29).pformat(letters) == repr(letters)
assert FancyPrinter(width=19).pformat(letters) == """\
(b'abcdefghijkl'
b'mnopqrstuvwxyz')"""
assert FancyPrinter(width=18).pformat(letters) == """\
(b'abcdefghijkl'
b'mnopqrstuvwx'
b'yz')"""
assert FancyPrinter(width=16).pformat(letters) == """\
(b'abcdefghijkl'
b'mnopqrstuvwx'
b'yz')"""
special = bytes(range(16))
assert FancyPrinter(width=61).pformat(special) == repr(special)
assert FancyPrinter(width=48).pformat(
special
) == """\
(b'\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\\x08\\t\\n\\x0b'
b'\\x0c\\r\\x0e\\x0f')"""
assert FancyPrinter(width=32).pformat(
special
) == """\
(b'\\x00\\x01\\x02\\x03'
b'\\x04\\x05\\x06\\x07\\x08\\t\\n\\x0b'
b'\\x0c\\r\\x0e\\x0f')"""
assert FancyPrinter(width=1).pformat(
special
) == """\
(b'\\x00\\x01\\x02\\x03'
b'\\x04\\x05\\x06\\x07'
b'\\x08\\t\\n\\x0b'
b'\\x0c\\r\\x0e\\x0f')"""
assert FancyPrinter(width=21).pformat({'a': 1, 'b': letters, 'c': 2} == """\
{
'a': 1,
'b': b'abcdefghijkl'
b'mnopqrstuvwx'
b'yz',
'c': 2,
}""")
assert FancyPrinter(width=20).pformat({'a': 1, 'b': letters, 'c': 2}) == """\
{
'a': 1,
'b': b'abcdefgh'
b'ijklmnop'
b'qrstuvwxyz',
'c': 2,
}"""
assert FancyPrinter(width=25).pformat([[[[[[letters]]]]]]) == """\
[
[
[
[
[
[
b'abcdefghijklmnop'
b'qrstuvwxyz',
],
],
],
],
],
]"""
assert FancyPrinter(width=41).pformat([[[[[[special]]]]]]) == """\
[
[
[
[
[
[
b'\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07'
b'\\x08\\t\\n\\x0b\\x0c\\r\\x0e\\x0f',
],
],
],
],
],
]"""
# Check that the pprint is a usable repr
eval_ = eval
for width in range(1, 64):
assert eval_(FancyPrinter(width=width).pformat(special)) == special
assert eval_(FancyPrinter(width=width).pformat([special] * 2)) == [special] * 2
