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Issue #25548: Showing memory address of class objects in repl

This commit is contained in:
Kushal Das 2016-06-04 16:21:13 -07:00
parent 409482251b
commit 5801ecb440
20 changed files with 106 additions and 92 deletions
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10
Lib/ctypes/test/test_structures.py
View File

@ -320,14 +320,14 @@ class StructureTestCase(unittest.TestCase):
cls, msg = self.get_except(Person, b"Someone", (1, 2))
self.assertEqual(cls, RuntimeError)
self.assertEqual(msg,
"(Phone) <class 'TypeError'>: "
"expected bytes, int found")
self.assertRegex(msg,
r"\(Phone\) <class 'TypeError' at 0x.+>: "
r"expected bytes, int found")
cls, msg = self.get_except(Person, b"Someone", (b"a", b"b", b"c"))
self.assertEqual(cls, RuntimeError)
self.assertEqual(msg,
"(Phone) <class 'TypeError'>: too many initializers")
self.assertRegex(msg,
r"\(Phone\) <class 'TypeError' at 0x.+>: too many initializers")
def test_huge_field_name(self):
# issue12881: segfault with large structure field names

8
Lib/statistics.py
View File

@ -131,23 +131,23 @@ def _sum(data, start=0):
--------
>>> _sum([3, 2.25, 4.5, -0.5, 1.0], 0.75)
(<class 'float'>, Fraction(11, 1), 5)
(<class 'float' ...>, Fraction(11, 1), 5)
Some sources of round-off error will be avoided:
>>> _sum([1e50, 1, -1e50] * 1000) # Built-in sum returns zero.
(<class 'float'>, Fraction(1000, 1), 3000)
(<class 'float' ...>, Fraction(1000, 1), 3000)
Fractions and Decimals are also supported:
>>> from fractions import Fraction as F
>>> _sum([F(2, 3), F(7, 5), F(1, 4), F(5, 6)])
(<class 'fractions.Fraction'>, Fraction(63, 20), 4)
(<class 'fractions.Fraction' ...>, Fraction(63, 20), 4)
>>> from decimal import Decimal as D
>>> data = [D("0.1375"), D("0.2108"), D("0.3061"), D("0.0419")]
>>> _sum(data)
(<class 'decimal.Decimal'>, Fraction(6963, 10000), 4)
(<class 'decimal.Decimal' ...>, Fraction(6963, 10000), 4)
Mixed types are currently treated as an error, except that int is
allowed.

10
Lib/test/test_class.py
View File

@ -568,5 +568,15 @@ class ClassTests(unittest.TestCase):
a = A(hash(A.f)^(-1))
hash(a.f)
def test_class_repr(self):
# We should get the address of the object
class A:
pass
result = repr(A)
self.assertRegex(result,
"<class 'test.test_class.ClassTests.test_class_repr.<locals>.A'"
" at 0x.+>")
if __name__ == '__main__':
unittest.main()

9
Lib/test/test_cmd_line_script.py
View File

@ -127,7 +127,10 @@ class CmdLineTest(unittest.TestCase):
print(printed_package)
print(printed_argv0)
print(printed_cwd)
self.assertIn(printed_loader.encode('utf-8'), data)
expected = printed_loader.encode('utf-8')
idx = expected.find(b"at 0x")
expected = expected[:idx]
self.assertIn(expected, data)
self.assertIn(printed_file.encode('utf-8'), data)
self.assertIn(printed_package.encode('utf-8'), data)
self.assertIn(printed_argv0.encode('utf-8'), data)
@ -158,6 +161,8 @@ class CmdLineTest(unittest.TestCase):
def test_dash_c_loader(self):
rc, out, err = assert_python_ok("-c", "print(__loader__)")
expected = repr(importlib.machinery.BuiltinImporter).encode("utf-8")
idx = expected.find(b"at 0x")
expected = expected[:idx]
self.assertIn(expected, out)
def test_stdin_loader(self):
@ -171,6 +176,8 @@ class CmdLineTest(unittest.TestCase):
finally:
out = kill_python(p)
expected = repr(importlib.machinery.BuiltinImporter).encode("utf-8")
idx = expected.find(b"at 0x")
expected = expected[:idx]
self.assertIn(expected, out)
@contextlib.contextmanager

2
Lib/test/test_defaultdict.py
View File

@ -65,7 +65,7 @@ class TestDefaultDict(unittest.TestCase):
d2 = defaultdict(int)
self.assertEqual(d2.default_factory, int)
d2[12] = 42
self.assertEqual(repr(d2), "defaultdict(<class 'int'>, {12: 42})")
self.assertRegex(repr(d2), r"defaultdict\(<class 'int' at 0x.+>, {12: 42}\)")
def foo(): return 43
d3 = defaultdict(foo)
self.assertTrue(d3.default_factory is foo)

4
Lib/test/test_descr.py
View File

@ -4544,9 +4544,9 @@ order (MRO) for bases """
pass
foo = Foo()
self.assertRegex(repr(foo.method), # access via instance
r"<bound method .*Foo\.method of <class '.*Foo'>>")
r"<bound method .*Foo\.method of <class '.*Foo' at 0x.+>>")
self.assertRegex(repr(Foo.method), # access via the class
r"<bound method .*Foo\.method of <class '.*Foo'>>")
r"<bound method .*Foo\.method of <class '.*Foo' at 0x.+>>")
class MyCallable:

31
Lib/test/test_descrtut.py
View File

@ -37,16 +37,16 @@ test_1 = """
Here's the new type at work:
>>> print(defaultdict) # show our type
<class 'test.test_descrtut.defaultdict'>
<class 'test.test_descrtut.defaultdict' ...>
>>> print(type(defaultdict)) # its metatype
<class 'type'>
<class 'type' ...>
>>> a = defaultdict(default=0.0) # create an instance
>>> print(a) # show the instance
{}
>>> print(type(a)) # show its type
<class 'test.test_descrtut.defaultdict'>
<class 'test.test_descrtut.defaultdict' ...>
>>> print(a.__class__) # show its class
<class 'test.test_descrtut.defaultdict'>
<class 'test.test_descrtut.defaultdict' ...>
>>> print(type(a) is a.__class__) # its type is its class
True
>>> a[1] = 3.25 # modify the instance
@ -149,11 +149,11 @@ Introspecting instances of built-in types
For instance of built-in types, x.__class__ is now the same as type(x):
>>> type([])
<class 'list'>
<class 'list' ...>
>>> [].__class__
<class 'list'>
<class 'list' ...>
>>> list
<class 'list'>
<class 'list' ...>
>>> isinstance([], list)
True
>>> isinstance([], dict)
@ -258,19 +258,19 @@ implicit first argument that is the *class* for which they are invoked.
... print("classmethod", cls, y)
>>> C.foo(1)
classmethod <class 'test.test_descrtut.C'> 1
classmethod <class 'test.test_descrtut.C' ...> 1
>>> c = C()
>>> c.foo(1)
classmethod <class 'test.test_descrtut.C'> 1
classmethod <class 'test.test_descrtut.C' ...> 1
>>> class D(C):
... pass
>>> D.foo(1)
classmethod <class 'test.test_descrtut.D'> 1
classmethod <class 'test.test_descrtut.D' ...> 1
>>> d = D()
>>> d.foo(1)
classmethod <class 'test.test_descrtut.D'> 1
classmethod <class 'test.test_descrtut.D' ...> 1
This prints "classmethod __main__.D 1" both times; in other words, the
class passed as the first argument of foo() is the class involved in the
@ -286,11 +286,11 @@ But notice this:
>>> E.foo(1)
E.foo() called
classmethod <class 'test.test_descrtut.C'> 1
classmethod <class 'test.test_descrtut.C' ...> 1
>>> e = E()
>>> e.foo(1)
E.foo() called
classmethod <class 'test.test_descrtut.C'> 1
classmethod <class 'test.test_descrtut.C' ...> 1
In this example, the call to C.foo() from E.foo() will see class C as its
first argument, not class E. This is to be expected, since the call
@ -350,7 +350,7 @@ Hmm -- property is builtin now, so let's try it that way too.
>>> del property # unmask the builtin
>>> property
<class 'property'>
<class 'property' ...>
>>> class C(object):
... def __init__(self):
@ -478,7 +478,8 @@ def test_main(verbose=None):
# business is used the name can change depending on how the test is
# invoked.
from test import support, test_descrtut
support.run_doctest(test_descrtut, verbose)
import doctest
support.run_doctest(test_descrtut, verbose, optionflags=doctest.ELLIPSIS)
# This part isn't needed for regrtest, but for running the test directly.
if __name__ == "__main__":

2
Lib/test/test_doctest.py
View File

@ -2338,7 +2338,7 @@ def test_DocFileSuite():
`__file__` global, which is set to the name of the file
containing the tests:
>>> suite = doctest.DocFileSuite('test_doctest3.txt')
>>> suite = doctest.DocFileSuite('test_doctest3.txt', optionflags=doctest.ELLIPSIS)
>>> suite.run(unittest.TestResult())
<unittest.result.TestResult run=1 errors=0 failures=0>

2
Lib/test/test_doctest3.txt
View File

@ -2,4 +2,4 @@
Here we check that `__file__` is provided:
>>> type(__file__)
<class 'str'>
<class 'str' ...>

33
Lib/test/test_functools.py
View File

@ -1697,13 +1697,10 @@ class TestSingleDispatch(unittest.TestCase):
c.Container.register(P)
with self.assertRaises(RuntimeError) as re_one:
g(p)
self.assertIn(
str(re_one.exception),
(("Ambiguous dispatch: <class 'collections.abc.Container'> "
"or <class 'collections.abc.Iterable'>"),
("Ambiguous dispatch: <class 'collections.abc.Iterable'> "
"or <class 'collections.abc.Container'>")),
)
self.assertIn("Ambiguous dispatch:", str(re_one.exception))
self.assertIn("<class 'collections.abc.Container'", str(re_one.exception))
self.assertIn("<class 'collections.abc.Iterable'", str(re_one.exception))
class Q(c.Sized):
def __len__(self):
return 0
@ -1729,13 +1726,10 @@ class TestSingleDispatch(unittest.TestCase):
# perspective.
with self.assertRaises(RuntimeError) as re_two:
h(c.defaultdict(lambda: 0))
self.assertIn(
str(re_two.exception),
(("Ambiguous dispatch: <class 'collections.abc.Container'> "
"or <class 'collections.abc.Sized'>"),
("Ambiguous dispatch: <class 'collections.abc.Sized'> "
"or <class 'collections.abc.Container'>")),
)
self.assertIn("Ambiguous dispatch:", str(re_two.exception))
self.assertIn("<class 'collections.abc.Container'", str(re_two.exception))
self.assertIn("<class 'collections.abc.Sized'", str(re_two.exception))
class R(c.defaultdict):
pass
c.MutableSequence.register(R)
@ -1769,13 +1763,10 @@ class TestSingleDispatch(unittest.TestCase):
# There is no preference for registered versus inferred ABCs.
with self.assertRaises(RuntimeError) as re_three:
h(u)
self.assertIn(
str(re_three.exception),
(("Ambiguous dispatch: <class 'collections.abc.Container'> "
"or <class 'collections.abc.Sized'>"),
("Ambiguous dispatch: <class 'collections.abc.Sized'> "
"or <class 'collections.abc.Container'>")),
)
self.assertIn("Ambiguous dispatch:", str(re_three.exception))
self.assertIn("<class 'collections.abc.Container'", str(re_three.exception))
self.assertIn("<class 'collections.abc.Sized'", str(re_three.exception))
class V(c.Sized, S):
def __len__(self):
return 0

37
Lib/test/test_generators.py
View File

@ -671,10 +671,10 @@ From the Iterators list, about the types of these things.
... yield 1
...
>>> type(g)
<class 'function'>
<class 'function' ...>
>>> i = g()
>>> type(i)
<class 'generator'>
<class 'generator' ...>
>>> [s for s in dir(i) if not s.startswith('_')]
['close', 'gi_code', 'gi_frame', 'gi_running', 'gi_yieldfrom', 'send', 'throw']
>>> from test.support import HAVE_DOCSTRINGS
@ -691,7 +691,7 @@ And more, added later.
>>> i.gi_running
0
>>> type(i.gi_frame)
<class 'frame'>
<class 'frame' ...>
>>> i.gi_running = 42
Traceback (most recent call last):
...
@ -1066,27 +1066,27 @@ These are fine:
>>> def f():
... yield
>>> type(f())
<class 'generator'>
<class 'generator' ...>
>>> def f():
... if 0:
... yield
>>> type(f())
<class 'generator'>
<class 'generator' ...>
>>> def f():
... if 0:
... yield 1
>>> type(f())
<class 'generator'>
<class 'generator' ...>
>>> def f():
... if "":
... yield None
>>> type(f())
<class 'generator'>
<class 'generator' ...>
>>> def f():
... return
@ -1110,7 +1110,7 @@ These are fine:
... x = 1
... return
>>> type(f())
<class 'generator'>
<class 'generator' ...>
>>> def f():
... if 0:
@ -1118,7 +1118,7 @@ These are fine:
... yield 1
...
>>> type(f())
<class 'NoneType'>
<class 'NoneType' ...>
>>> def f():
... if 0:
@ -1128,7 +1128,7 @@ These are fine:
... def f(self):
... yield 2
>>> type(f())
<class 'NoneType'>
<class 'NoneType' ...>
>>> def f():
... if 0:
@ -1136,7 +1136,7 @@ These are fine:
... if 0:
... yield 2
>>> type(f())
<class 'generator'>
<class 'generator' ...>
This one caused a crash (see SF bug 567538):
@ -1791,7 +1791,7 @@ And a more sane, but still weird usage:
>>> def f(): list(i for i in [(yield 26)])
>>> type(f())
<class 'generator'>
<class 'generator' ...>
A yield expression with augmented assignment.
@ -2047,25 +2047,25 @@ enclosing function a generator:
>>> def f(): x += yield
>>> type(f())
<class 'generator'>
<class 'generator' ...>
>>> def f(): x = yield
>>> type(f())
<class 'generator'>
<class 'generator' ...>
>>> def f(): lambda x=(yield): 1
>>> type(f())
<class 'generator'>
<class 'generator' ...>
>>> def f(): x=(i for i in (yield) if (yield))
>>> type(f())
<class 'generator'>
<class 'generator' ...>
>>> def f(d): d[(yield "a")] = d[(yield "b")] = 27
>>> data = [1,2]
>>> g = f(data)
>>> type(g)
<class 'generator'>
<class 'generator' ...>
>>> g.send(None)
'a'
>>> data
@ -2174,8 +2174,9 @@ __test__ = {"tut": tutorial_tests,
# so this works as expected in both ways of running regrtest.
def test_main(verbose=None):
from test import support, test_generators
import doctest
support.run_unittest(__name__)
support.run_doctest(test_generators, verbose)
support.run_doctest(test_generators, verbose, optionflags=doctest.ELLIPSIS)
# This part isn't needed for regrtest, but for running the test directly.
if __name__ == "__main__":

5
Lib/test/test_genexps.py
View File

@ -27,7 +27,7 @@ Test first class
>>> g = (i*i for i in range(4))
>>> type(g)
<class 'generator'>
<class 'generator' ...>
>>> list(g)
[0, 1, 4, 9]
@ -269,7 +269,8 @@ else:
def test_main(verbose=None):
from test import support
from test import test_genexps
support.run_doctest(test_genexps, verbose)
import doctest
support.run_doctest(test_genexps, verbose, optionflags=doctest.ELLIPSIS)
# verify reference counting
if verbose and hasattr(sys, "gettotalrefcount"):

9
Lib/test/test_metaclass.py
View File

@ -78,7 +78,7 @@ Also pass another keyword.
>>> class C(object, metaclass=M, other="haha"):
... pass
...
Prepare called: ('C', (<class 'object'>,)) {'other': 'haha'}
Prepare called: ('C', (<class 'object' ...>,)) {'other': 'haha'}
New called: {'other': 'haha'}
>>> C.__class__ is M
True
@ -104,7 +104,7 @@ Use various combinations of explicit keywords and **kwds.
>>> kwds = {'metaclass': M, 'other': 'haha'}
>>> class C(*bases, **kwds): pass
...
Prepare called: ('C', (<class 'object'>,)) {'other': 'haha'}
Prepare called: ('C', (<class 'object' ...>,)) {'other': 'haha'}
New called: {'other': 'haha'}
>>> C.__class__ is M
True
@ -114,7 +114,7 @@ Use various combinations of explicit keywords and **kwds.
>>> kwds = {'other': 'haha'}
>>> class C(B, metaclass=M, *bases, **kwds): pass
...
Prepare called: ('C', (<class 'test.test_metaclass.B'>, <class 'object'>)) {'other': 'haha'}
Prepare called: ('C', (<class 'test.test_metaclass.B' ...>, <class 'object' ...>)) {'other': 'haha'}
New called: {'other': 'haha'}
>>> C.__class__ is M
True
@ -259,7 +259,8 @@ else:
def test_main(verbose=False):
from test import support
from test import test_metaclass
support.run_doctest(test_metaclass, verbose)
import doctest
support.run_doctest(test_metaclass, verbose, optionflags=doctest.ELLIPSIS)
if __name__ == "__main__":
test_main(verbose=True)

9
Lib/test/test_pprint.py
View File

@ -848,12 +848,11 @@ bytearray(b'\\x00\\x01\\x02\\x03'
def test_default_dict(self):
d = collections.defaultdict(int)
self.assertEqual(pprint.pformat(d, width=1), "defaultdict(<class 'int'>, {})")
self.assertRegex(pprint.pformat(d, width=1), r"defaultdict\(<class 'int' at 0x.+>, {}\)")
words = 'the quick brown fox jumped over a lazy dog'.split()
d = collections.defaultdict(int, zip(words, itertools.count()))
self.assertEqual(pprint.pformat(d),
"""\
defaultdict(<class 'int'>,
self.assertRegex(pprint.pformat(d),
r"""defaultdict\(<class 'int' at 0x.+>,
{'a': 6,
'brown': 2,
'dog': 8,
@ -862,7 +861,7 @@ defaultdict(<class 'int'>,
'lazy': 7,
'over': 5,
'quick': 1,
'the': 0})""")
'the': 0}\)""")
def test_counter(self):
d = collections.Counter()

6
Lib/test/test_reprlib.py
View File

@ -292,8 +292,8 @@ class foo(object):
''')
importlib.invalidate_caches()
from areallylongpackageandmodulenametotestreprtruncation.areallylongpackageandmodulenametotestreprtruncation import foo
eq(repr(foo.foo),
"<class '%s.foo'>" % foo.__name__)
self.assertRegex(repr(foo.foo),
r"<class '%s.foo' at 0x.+>" % foo.__name__)
@unittest.skip('need a suitable object')
def test_object(self):
@ -310,7 +310,7 @@ class bar:
importlib.invalidate_caches()
from areallylongpackageandmodulenametotestreprtruncation.areallylongpackageandmodulenametotestreprtruncation import bar
# Module name may be prefixed with "test.", depending on how run.
self.assertEqual(repr(bar.bar), "<class '%s.bar'>" % bar.__name__)
self.assertRegex(repr(bar.bar), r"<class '%s.bar' at 0x.+>" % bar.__name__)
def test_instance(self):
self._check_path_limitations('baz')

2
Lib/test/test_statistics.py
View File

@ -659,7 +659,7 @@ class DocTests(unittest.TestCase):
@unittest.skipIf(sys.flags.optimize >= 2,
"Docstrings are omitted with -OO and above")
def test_doc_tests(self):
failed, tried = doctest.testmod(statistics)
failed, tried = doctest.testmod(statistics, optionflags=doctest.ELLIPSIS)
self.assertGreater(tried, 0)
self.assertEqual(failed, 0)

7
Lib/test/test_wsgiref.py
View File

@ -161,10 +161,10 @@ class IntegrationTests(TestCase):
self.assertTrue(out.endswith(
b"A server error occurred. Please contact the administrator."
))
self.assertEqual(
self.assertRegex(
err.splitlines()[-2],
"AssertionError: Headers (('Content-Type', 'text/plain')) must"
" be of type list: <class 'tuple'>"
r"AssertionError: Headers \(\('Content-Type', 'text/plain'\)\) must"
r" be of type list: <class 'tuple' at 0x.+>"
)
def test_status_validation_errors(self):
@ -704,3 +704,4 @@ class HandlerTests(TestCase):
if __name__ == "__main__":
unittest.main()

4
Lib/test/test_xmlrpc.py
View File

@ -775,8 +775,8 @@ class SimpleServerTestCase(BaseServerTestCase):
# 'method "this_is_not_exists" is not supported'>}]
self.assertEqual(result.results[0]['faultCode'], 1)
self.assertEqual(result.results[0]['faultString'],
'<class \'Exception\'>:method "this_is_not_exists" '
self.assertRegex(result.results[0]['faultString'],
'<class \'Exception\' at 0x.+>:method "this_is_not_exists" '
'is not supported')
except (xmlrpclib.ProtocolError, OSError) as e:
# ignore failures due to non-blocking socket 'unavailable' errors

2
Misc/NEWS
View File

@ -73,6 +73,8 @@ Library
- Issue #21271: New keyword only parameters in reset_mock call.
- Issue #25548: Showing memory address of class objects in repl.
IDLE
----

6
Objects/typeobject.c
View File

@ -859,9 +859,9 @@ type_repr(PyTypeObject *type)
}
if (mod != NULL && _PyUnicode_CompareWithId(mod, &PyId_builtins))
rtn = PyUnicode_FromFormat("<class '%U.%U'>", mod, name);
else
rtn = PyUnicode_FromFormat("<class '%s'>", type->tp_name);
rtn = PyUnicode_FromFormat("<class '%U.%U' at %p>", mod, name, type);
else
rtn = PyUnicode_FromFormat("<class '%s' at %p>", type->tp_name, type);
Py_XDECREF(mod);
Py_DECREF(name);