cpython/Lib/test/test_operator.py

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import unittest
import pickle
import sys
from test import support
from test.support import import_helper
py_operator = import_helper.import_fresh_module('operator',
blocked=['_operator'])
c_operator = import_helper.import_fresh_module('operator',
fresh=['_operator'])
class Seq1:
def __init__(self, lst):
self.lst = lst
def __len__(self):
return len(self.lst)
def __getitem__(self, i):
return self.lst[i]
def __add__(self, other):
return self.lst + other.lst
def __mul__(self, other):
return self.lst * other
def __rmul__(self, other):
return other * self.lst
class Seq2(object):
def __init__(self, lst):
self.lst = lst
def __len__(self):
return len(self.lst)
def __getitem__(self, i):
return self.lst[i]
def __add__(self, other):
return self.lst + other.lst
def __mul__(self, other):
return self.lst * other
def __rmul__(self, other):
return other * self.lst
class BadIterable:
def __iter__(self):
raise ZeroDivisionError
class OperatorTestCase:
def test_lt(self):
operator = self.module
self.assertRaises(TypeError, operator.lt)
self.assertRaises(TypeError, operator.lt, 1j, 2j)
self.assertFalse(operator.lt(1, 0))
self.assertFalse(operator.lt(1, 0.0))
self.assertFalse(operator.lt(1, 1))
self.assertFalse(operator.lt(1, 1.0))
self.assertTrue(operator.lt(1, 2))
self.assertTrue(operator.lt(1, 2.0))
def test_le(self):
operator = self.module
self.assertRaises(TypeError, operator.le)
self.assertRaises(TypeError, operator.le, 1j, 2j)
self.assertFalse(operator.le(1, 0))
self.assertFalse(operator.le(1, 0.0))
self.assertTrue(operator.le(1, 1))
self.assertTrue(operator.le(1, 1.0))
self.assertTrue(operator.le(1, 2))
self.assertTrue(operator.le(1, 2.0))
def test_eq(self):
operator = self.module
class C(object):
def __eq__(self, other):
raise SyntaxError
self.assertRaises(TypeError, operator.eq)
self.assertRaises(SyntaxError, operator.eq, C(), C())
self.assertFalse(operator.eq(1, 0))
self.assertFalse(operator.eq(1, 0.0))
self.assertTrue(operator.eq(1, 1))
self.assertTrue(operator.eq(1, 1.0))
self.assertFalse(operator.eq(1, 2))
self.assertFalse(operator.eq(1, 2.0))
def test_ne(self):
operator = self.module
class C(object):
def __ne__(self, other):
raise SyntaxError
self.assertRaises(TypeError, operator.ne)
self.assertRaises(SyntaxError, operator.ne, C(), C())
self.assertTrue(operator.ne(1, 0))
self.assertTrue(operator.ne(1, 0.0))
self.assertFalse(operator.ne(1, 1))
self.assertFalse(operator.ne(1, 1.0))
self.assertTrue(operator.ne(1, 2))
self.assertTrue(operator.ne(1, 2.0))
def test_ge(self):
operator = self.module
self.assertRaises(TypeError, operator.ge)
self.assertRaises(TypeError, operator.ge, 1j, 2j)
self.assertTrue(operator.ge(1, 0))
self.assertTrue(operator.ge(1, 0.0))
self.assertTrue(operator.ge(1, 1))
self.assertTrue(operator.ge(1, 1.0))
self.assertFalse(operator.ge(1, 2))
self.assertFalse(operator.ge(1, 2.0))
def test_gt(self):
operator = self.module
self.assertRaises(TypeError, operator.gt)
self.assertRaises(TypeError, operator.gt, 1j, 2j)
self.assertTrue(operator.gt(1, 0))
self.assertTrue(operator.gt(1, 0.0))
self.assertFalse(operator.gt(1, 1))
self.assertFalse(operator.gt(1, 1.0))
self.assertFalse(operator.gt(1, 2))
self.assertFalse(operator.gt(1, 2.0))
def test_abs(self):
operator = self.module
self.assertRaises(TypeError, operator.abs)
self.assertRaises(TypeError, operator.abs, None)
self.assertEqual(operator.abs(-1), 1)
self.assertEqual(operator.abs(1), 1)
def test_add(self):
operator = self.module
self.assertRaises(TypeError, operator.add)
self.assertRaises(TypeError, operator.add, None, None)
self.assertEqual(operator.add(3, 4), 7)
def test_bitwise_and(self):
operator = self.module
self.assertRaises(TypeError, operator.and_)
self.assertRaises(TypeError, operator.and_, None, None)
self.assertEqual(operator.and_(0xf, 0xa), 0xa)
def test_concat(self):
operator = self.module
self.assertRaises(TypeError, operator.concat)
self.assertRaises(TypeError, operator.concat, None, None)
self.assertEqual(operator.concat('py', 'thon'), 'python')
self.assertEqual(operator.concat([1, 2], [3, 4]), [1, 2, 3, 4])
self.assertEqual(operator.concat(Seq1([5, 6]), Seq1([7])), [5, 6, 7])
self.assertEqual(operator.concat(Seq2([5, 6]), Seq2([7])), [5, 6, 7])
self.assertRaises(TypeError, operator.concat, 13, 29)
def test_countOf(self):
operator = self.module
self.assertRaises(TypeError, operator.countOf)
self.assertRaises(TypeError, operator.countOf, None, None)
self.assertRaises(ZeroDivisionError, operator.countOf, BadIterable(), 1)
self.assertEqual(operator.countOf([1, 2, 1, 3, 1, 4], 3), 1)
self.assertEqual(operator.countOf([1, 2, 1, 3, 1, 4], 5), 0)
def test_delitem(self):
operator = self.module
a = [4, 3, 2, 1]
self.assertRaises(TypeError, operator.delitem, a)
self.assertRaises(TypeError, operator.delitem, a, None)
self.assertIsNone(operator.delitem(a, 1))
self.assertEqual(a, [4, 2, 1])
def test_floordiv(self):
operator = self.module
self.assertRaises(TypeError, operator.floordiv, 5)
self.assertRaises(TypeError, operator.floordiv, None, None)
self.assertEqual(operator.floordiv(5, 2), 2)
def test_truediv(self):
operator = self.module
self.assertRaises(TypeError, operator.truediv, 5)
self.assertRaises(TypeError, operator.truediv, None, None)
self.assertEqual(operator.truediv(5, 2), 2.5)
def test_getitem(self):
operator = self.module
a = range(10)
self.assertRaises(TypeError, operator.getitem)
self.assertRaises(TypeError, operator.getitem, a, None)
self.assertEqual(operator.getitem(a, 2), 2)
def test_indexOf(self):
operator = self.module
self.assertRaises(TypeError, operator.indexOf)
self.assertRaises(TypeError, operator.indexOf, None, None)
self.assertRaises(ZeroDivisionError, operator.indexOf, BadIterable(), 1)
self.assertEqual(operator.indexOf([4, 3, 2, 1], 3), 1)
self.assertRaises(ValueError, operator.indexOf, [4, 3, 2, 1], 0)
def test_invert(self):
operator = self.module
self.assertRaises(TypeError, operator.invert)
self.assertRaises(TypeError, operator.invert, None)
self.assertEqual(operator.inv(4), -5)
def test_lshift(self):
operator = self.module
self.assertRaises(TypeError, operator.lshift)
self.assertRaises(TypeError, operator.lshift, None, 42)
self.assertEqual(operator.lshift(5, 1), 10)
self.assertEqual(operator.lshift(5, 0), 5)
self.assertRaises(ValueError, operator.lshift, 2, -1)
def test_mod(self):
operator = self.module
self.assertRaises(TypeError, operator.mod)
self.assertRaises(TypeError, operator.mod, None, 42)
self.assertEqual(operator.mod(5, 2), 1)
def test_mul(self):
operator = self.module
self.assertRaises(TypeError, operator.mul)
self.assertRaises(TypeError, operator.mul, None, None)
self.assertEqual(operator.mul(5, 2), 10)
def test_matmul(self):
operator = self.module
self.assertRaises(TypeError, operator.matmul)
self.assertRaises(TypeError, operator.matmul, 42, 42)
class M:
def __matmul__(self, other):
return other - 1
self.assertEqual(M() @ 42, 41)
def test_neg(self):
operator = self.module
self.assertRaises(TypeError, operator.neg)
self.assertRaises(TypeError, operator.neg, None)
self.assertEqual(operator.neg(5), -5)
self.assertEqual(operator.neg(-5), 5)
self.assertEqual(operator.neg(0), 0)
self.assertEqual(operator.neg(-0), 0)
def test_bitwise_or(self):
operator = self.module
self.assertRaises(TypeError, operator.or_)
self.assertRaises(TypeError, operator.or_, None, None)
self.assertEqual(operator.or_(0xa, 0x5), 0xf)
def test_pos(self):
operator = self.module
self.assertRaises(TypeError, operator.pos)
self.assertRaises(TypeError, operator.pos, None)
self.assertEqual(operator.pos(5), 5)
self.assertEqual(operator.pos(-5), -5)
self.assertEqual(operator.pos(0), 0)
self.assertEqual(operator.pos(-0), 0)
def test_pow(self):
operator = self.module
self.assertRaises(TypeError, operator.pow)
self.assertRaises(TypeError, operator.pow, None, None)
self.assertEqual(operator.pow(3,5), 3**5)
self.assertRaises(TypeError, operator.pow, 1)
self.assertRaises(TypeError, operator.pow, 1, 2, 3)
def test_rshift(self):
operator = self.module
self.assertRaises(TypeError, operator.rshift)
self.assertRaises(TypeError, operator.rshift, None, 42)
self.assertEqual(operator.rshift(5, 1), 2)
self.assertEqual(operator.rshift(5, 0), 5)
self.assertRaises(ValueError, operator.rshift, 2, -1)
def test_contains(self):
operator = self.module
self.assertRaises(TypeError, operator.contains)
self.assertRaises(TypeError, operator.contains, None, None)
self.assertRaises(ZeroDivisionError, operator.contains, BadIterable(), 1)
self.assertTrue(operator.contains(range(4), 2))
self.assertFalse(operator.contains(range(4), 5))
def test_setitem(self):
operator = self.module
Merged revisions 55007-55179 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/p3yk ........ r55077 | guido.van.rossum | 2007-05-02 11:54:37 -0700 (Wed, 02 May 2007) | 2 lines Use the new print syntax, at least. ........ r55142 | fred.drake | 2007-05-04 21:27:30 -0700 (Fri, 04 May 2007) | 1 line remove old cruftiness ........ r55143 | fred.drake | 2007-05-04 21:52:16 -0700 (Fri, 04 May 2007) | 1 line make this work with the new Python ........ r55162 | neal.norwitz | 2007-05-06 22:29:18 -0700 (Sun, 06 May 2007) | 1 line Get asdl code gen working with Python 2.3. Should continue to work with 3.0 ........ r55164 | neal.norwitz | 2007-05-07 00:00:38 -0700 (Mon, 07 May 2007) | 1 line Verify checkins to p3yk (sic) branch go to 3000 list. ........ r55166 | neal.norwitz | 2007-05-07 00:12:35 -0700 (Mon, 07 May 2007) | 1 line Fix this test so it runs again by importing warnings_test properly. ........ r55167 | neal.norwitz | 2007-05-07 01:03:22 -0700 (Mon, 07 May 2007) | 8 lines So long xrange. range() now supports values that are outside -sys.maxint to sys.maxint. floats raise a TypeError. This has been sitting for a long time. It probably has some problems and needs cleanup. Objects/rangeobject.c now uses 4-space indents since it is almost completely new. ........ r55171 | guido.van.rossum | 2007-05-07 10:21:26 -0700 (Mon, 07 May 2007) | 4 lines Fix two tests that were previously depending on significant spaces at the end of a line (and before that on Python 2.x print behavior that has no exact equivalent in 3.0). ........
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a = list(range(3))
self.assertRaises(TypeError, operator.setitem, a)
self.assertRaises(TypeError, operator.setitem, a, None, None)
self.assertIsNone(operator.setitem(a, 0, 2))
self.assertEqual(a, [2, 1, 2])
self.assertRaises(IndexError, operator.setitem, a, 4, 2)
def test_sub(self):
operator = self.module
self.assertRaises(TypeError, operator.sub)
self.assertRaises(TypeError, operator.sub, None, None)
self.assertEqual(operator.sub(5, 2), 3)
def test_truth(self):
operator = self.module
class C(object):
def __bool__(self):
raise SyntaxError
self.assertRaises(TypeError, operator.truth)
self.assertRaises(SyntaxError, operator.truth, C())
self.assertTrue(operator.truth(5))
self.assertTrue(operator.truth([0]))
self.assertFalse(operator.truth(0))
self.assertFalse(operator.truth([]))
def test_bitwise_xor(self):
operator = self.module
self.assertRaises(TypeError, operator.xor)
self.assertRaises(TypeError, operator.xor, None, None)
self.assertEqual(operator.xor(0xb, 0xc), 0x7)
def test_is(self):
operator = self.module
a = b = 'xyzpdq'
c = a[:3] + b[3:]
self.assertRaises(TypeError, operator.is_)
self.assertTrue(operator.is_(a, b))
self.assertFalse(operator.is_(a,c))
def test_is_not(self):
operator = self.module
a = b = 'xyzpdq'
c = a[:3] + b[3:]
self.assertRaises(TypeError, operator.is_not)
self.assertFalse(operator.is_not(a, b))
self.assertTrue(operator.is_not(a,c))
def test_attrgetter(self):
operator = self.module
class A:
pass
a = A()
a.name = 'arthur'
f = operator.attrgetter('name')
self.assertEqual(f(a), 'arthur')
self.assertRaises(TypeError, f)
self.assertRaises(TypeError, f, a, 'dent')
self.assertRaises(TypeError, f, a, surname='dent')
f = operator.attrgetter('rank')
self.assertRaises(AttributeError, f, a)
self.assertRaises(TypeError, operator.attrgetter, 2)
self.assertRaises(TypeError, operator.attrgetter)
# multiple gets
record = A()
record.x = 'X'
record.y = 'Y'
record.z = 'Z'
self.assertEqual(operator.attrgetter('x','z','y')(record), ('X', 'Z', 'Y'))
self.assertRaises(TypeError, operator.attrgetter, ('x', (), 'y'))
class C(object):
Merged revisions 60124-60142 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r60131 | georg.brandl | 2008-01-20 12:13:29 +0100 (Sun, 20 Jan 2008) | 3 lines #1351692: in pprint, always call format() for dict and list items to enable custom formatting of contents via subclassing PrettyPrinter. ........ r60133 | georg.brandl | 2008-01-20 12:43:03 +0100 (Sun, 20 Jan 2008) | 2 lines #1178141: add addinfourl.code to get http status code from urllib. ........ r60134 | georg.brandl | 2008-01-20 13:05:43 +0100 (Sun, 20 Jan 2008) | 4 lines #856047: respect the ``no_proxy`` env var when checking for proxies in urllib and using the other ``_proxy`` env vars. Original patch by Donovan Baarda. ........ r60135 | georg.brandl | 2008-01-20 13:18:17 +0100 (Sun, 20 Jan 2008) | 4 lines #1664522: in urllib, don't read non-existing directories in ftp mode, returning a 0-byte file -- raise an IOError instead. Original patch from Phil Knirsch. ........ r60136 | georg.brandl | 2008-01-20 13:57:47 +0100 (Sun, 20 Jan 2008) | 2 lines #799369: document possible sys.platform values. ........ r60137 | georg.brandl | 2008-01-20 14:08:37 +0100 (Sun, 20 Jan 2008) | 2 lines #652749: document the constants added to the builtins by site.py. ........ r60138 | georg.brandl | 2008-01-20 14:59:46 +0100 (Sun, 20 Jan 2008) | 2 lines #1648: add sys.gettrace() and sys.getprofile(). ........ r60139 | georg.brandl | 2008-01-20 15:17:42 +0100 (Sun, 20 Jan 2008) | 2 lines #1669: don't allow shutil.rmtree() to be called on a symlink. ........ r60140 | georg.brandl | 2008-01-20 15:20:02 +0100 (Sun, 20 Jan 2008) | 2 lines Fix test_pyclbr after urllib change. ........ r60141 | christian.heimes | 2008-01-20 15:28:28 +0100 (Sun, 20 Jan 2008) | 1 line Fixed a wrong assumption in configure.in and Include/pyport.h. The is finite function is not called isfinite() but finite(). Sorry, my fault. :) ........ r60142 | georg.brandl | 2008-01-20 15:31:27 +0100 (Sun, 20 Jan 2008) | 2 lines #1876: fix typos in test_operator. ........
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def __getattr__(self, name):
raise SyntaxError
self.assertRaises(SyntaxError, operator.attrgetter('foo'), C())
Merged revisions 61003-61033 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r61004 | georg.brandl | 2008-02-23 19:47:04 +0100 (Sat, 23 Feb 2008) | 2 lines Documentation coverage builder, part 1. ........ r61006 | andrew.kuchling | 2008-02-23 20:02:33 +0100 (Sat, 23 Feb 2008) | 1 line #1389051: IMAP module tries to read entire message in one chunk. Patch by Fredrik Lundh. ........ r61008 | andrew.kuchling | 2008-02-23 20:28:58 +0100 (Sat, 23 Feb 2008) | 1 line #1389051, #1092502: fix excessively large allocations when using read() on a socket ........ r61011 | jeffrey.yasskin | 2008-02-23 20:40:54 +0100 (Sat, 23 Feb 2008) | 13 lines Prevent classes like: class RunSelfFunction(object): def __init__(self): self.thread = threading.Thread(target=self._run) self.thread.start() def _run(self): pass from creating a permanent cycle between the object and the thread by having the Thread delete its references to the object when it completes. As an example of the effect of this bug, paramiko.Transport inherits from Thread to avoid it. ........ r61013 | jeffrey.yasskin | 2008-02-23 21:40:35 +0100 (Sat, 23 Feb 2008) | 3 lines Followup to r61011: Also avoid the reference cycle when the Thread's target raises an exception. ........ r61017 | georg.brandl | 2008-02-23 22:59:11 +0100 (Sat, 23 Feb 2008) | 2 lines #2101: fix removeAttribute docs. ........ r61018 | georg.brandl | 2008-02-23 23:05:38 +0100 (Sat, 23 Feb 2008) | 2 lines Add examples to modulefinder docs. Written for GHOP by Josip Dzolonga. ........ r61019 | georg.brandl | 2008-02-23 23:09:24 +0100 (Sat, 23 Feb 2008) | 2 lines Use os.closerange() in popen2. ........ r61020 | georg.brandl | 2008-02-23 23:14:02 +0100 (Sat, 23 Feb 2008) | 2 lines Use os.closerange(). ........ r61021 | georg.brandl | 2008-02-23 23:35:33 +0100 (Sat, 23 Feb 2008) | 3 lines In test_heapq and test_bisect, test both the Python and the C implementation. Originally written for GHOP by Josip Dzolonga, heavily patched by me. ........ r61024 | facundo.batista | 2008-02-23 23:54:12 +0100 (Sat, 23 Feb 2008) | 3 lines Added simple test case. Thanks Benjamin Peterson. ........ r61025 | georg.brandl | 2008-02-23 23:55:18 +0100 (Sat, 23 Feb 2008) | 2 lines #1825: correctly document msilib.add_data. ........ r61027 | georg.brandl | 2008-02-24 00:02:23 +0100 (Sun, 24 Feb 2008) | 2 lines #1826: allow dotted attribute paths in operator.attrgetter. ........ r61028 | georg.brandl | 2008-02-24 00:04:35 +0100 (Sun, 24 Feb 2008) | 2 lines #1506171: added operator.methodcaller(). ........ r61029 | georg.brandl | 2008-02-24 00:25:26 +0100 (Sun, 24 Feb 2008) | 2 lines Document import ./. threading issues. #1720705. ........ r61032 | georg.brandl | 2008-02-24 00:43:01 +0100 (Sun, 24 Feb 2008) | 2 lines Specify what kind of warning -3 emits. ........ r61033 | christian.heimes | 2008-02-24 00:59:45 +0100 (Sun, 24 Feb 2008) | 1 line MS Windows doesn't have mode_t but stat.st_mode is defined as unsigned short. ........
2008-02-23 20:38:49 -04:00
# recursive gets
a = A()
a.name = 'arthur'
a.child = A()
a.child.name = 'thomas'
f = operator.attrgetter('child.name')
self.assertEqual(f(a), 'thomas')
self.assertRaises(AttributeError, f, a.child)
f = operator.attrgetter('name', 'child.name')
self.assertEqual(f(a), ('arthur', 'thomas'))
f = operator.attrgetter('name', 'child.name', 'child.child.name')
self.assertRaises(AttributeError, f, a)
f = operator.attrgetter('child.')
self.assertRaises(AttributeError, f, a)
f = operator.attrgetter('.child')
self.assertRaises(AttributeError, f, a)
Merged revisions 61003-61033 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r61004 | georg.brandl | 2008-02-23 19:47:04 +0100 (Sat, 23 Feb 2008) | 2 lines Documentation coverage builder, part 1. ........ r61006 | andrew.kuchling | 2008-02-23 20:02:33 +0100 (Sat, 23 Feb 2008) | 1 line #1389051: IMAP module tries to read entire message in one chunk. Patch by Fredrik Lundh. ........ r61008 | andrew.kuchling | 2008-02-23 20:28:58 +0100 (Sat, 23 Feb 2008) | 1 line #1389051, #1092502: fix excessively large allocations when using read() on a socket ........ r61011 | jeffrey.yasskin | 2008-02-23 20:40:54 +0100 (Sat, 23 Feb 2008) | 13 lines Prevent classes like: class RunSelfFunction(object): def __init__(self): self.thread = threading.Thread(target=self._run) self.thread.start() def _run(self): pass from creating a permanent cycle between the object and the thread by having the Thread delete its references to the object when it completes. As an example of the effect of this bug, paramiko.Transport inherits from Thread to avoid it. ........ r61013 | jeffrey.yasskin | 2008-02-23 21:40:35 +0100 (Sat, 23 Feb 2008) | 3 lines Followup to r61011: Also avoid the reference cycle when the Thread's target raises an exception. ........ r61017 | georg.brandl | 2008-02-23 22:59:11 +0100 (Sat, 23 Feb 2008) | 2 lines #2101: fix removeAttribute docs. ........ r61018 | georg.brandl | 2008-02-23 23:05:38 +0100 (Sat, 23 Feb 2008) | 2 lines Add examples to modulefinder docs. Written for GHOP by Josip Dzolonga. ........ r61019 | georg.brandl | 2008-02-23 23:09:24 +0100 (Sat, 23 Feb 2008) | 2 lines Use os.closerange() in popen2. ........ r61020 | georg.brandl | 2008-02-23 23:14:02 +0100 (Sat, 23 Feb 2008) | 2 lines Use os.closerange(). ........ r61021 | georg.brandl | 2008-02-23 23:35:33 +0100 (Sat, 23 Feb 2008) | 3 lines In test_heapq and test_bisect, test both the Python and the C implementation. Originally written for GHOP by Josip Dzolonga, heavily patched by me. ........ r61024 | facundo.batista | 2008-02-23 23:54:12 +0100 (Sat, 23 Feb 2008) | 3 lines Added simple test case. Thanks Benjamin Peterson. ........ r61025 | georg.brandl | 2008-02-23 23:55:18 +0100 (Sat, 23 Feb 2008) | 2 lines #1825: correctly document msilib.add_data. ........ r61027 | georg.brandl | 2008-02-24 00:02:23 +0100 (Sun, 24 Feb 2008) | 2 lines #1826: allow dotted attribute paths in operator.attrgetter. ........ r61028 | georg.brandl | 2008-02-24 00:04:35 +0100 (Sun, 24 Feb 2008) | 2 lines #1506171: added operator.methodcaller(). ........ r61029 | georg.brandl | 2008-02-24 00:25:26 +0100 (Sun, 24 Feb 2008) | 2 lines Document import ./. threading issues. #1720705. ........ r61032 | georg.brandl | 2008-02-24 00:43:01 +0100 (Sun, 24 Feb 2008) | 2 lines Specify what kind of warning -3 emits. ........ r61033 | christian.heimes | 2008-02-24 00:59:45 +0100 (Sun, 24 Feb 2008) | 1 line MS Windows doesn't have mode_t but stat.st_mode is defined as unsigned short. ........
2008-02-23 20:38:49 -04:00
a.child.child = A()
a.child.child.name = 'johnson'
f = operator.attrgetter('child.child.name')
self.assertEqual(f(a), 'johnson')
f = operator.attrgetter('name', 'child.name', 'child.child.name')
self.assertEqual(f(a), ('arthur', 'thomas', 'johnson'))
def test_itemgetter(self):
operator = self.module
a = 'ABCDE'
f = operator.itemgetter(2)
self.assertEqual(f(a), 'C')
self.assertRaises(TypeError, f)
self.assertRaises(TypeError, f, a, 3)
self.assertRaises(TypeError, f, a, size=3)
f = operator.itemgetter(10)
self.assertRaises(IndexError, f, a)
class C(object):
Merged revisions 60124-60142 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r60131 | georg.brandl | 2008-01-20 12:13:29 +0100 (Sun, 20 Jan 2008) | 3 lines #1351692: in pprint, always call format() for dict and list items to enable custom formatting of contents via subclassing PrettyPrinter. ........ r60133 | georg.brandl | 2008-01-20 12:43:03 +0100 (Sun, 20 Jan 2008) | 2 lines #1178141: add addinfourl.code to get http status code from urllib. ........ r60134 | georg.brandl | 2008-01-20 13:05:43 +0100 (Sun, 20 Jan 2008) | 4 lines #856047: respect the ``no_proxy`` env var when checking for proxies in urllib and using the other ``_proxy`` env vars. Original patch by Donovan Baarda. ........ r60135 | georg.brandl | 2008-01-20 13:18:17 +0100 (Sun, 20 Jan 2008) | 4 lines #1664522: in urllib, don't read non-existing directories in ftp mode, returning a 0-byte file -- raise an IOError instead. Original patch from Phil Knirsch. ........ r60136 | georg.brandl | 2008-01-20 13:57:47 +0100 (Sun, 20 Jan 2008) | 2 lines #799369: document possible sys.platform values. ........ r60137 | georg.brandl | 2008-01-20 14:08:37 +0100 (Sun, 20 Jan 2008) | 2 lines #652749: document the constants added to the builtins by site.py. ........ r60138 | georg.brandl | 2008-01-20 14:59:46 +0100 (Sun, 20 Jan 2008) | 2 lines #1648: add sys.gettrace() and sys.getprofile(). ........ r60139 | georg.brandl | 2008-01-20 15:17:42 +0100 (Sun, 20 Jan 2008) | 2 lines #1669: don't allow shutil.rmtree() to be called on a symlink. ........ r60140 | georg.brandl | 2008-01-20 15:20:02 +0100 (Sun, 20 Jan 2008) | 2 lines Fix test_pyclbr after urllib change. ........ r60141 | christian.heimes | 2008-01-20 15:28:28 +0100 (Sun, 20 Jan 2008) | 1 line Fixed a wrong assumption in configure.in and Include/pyport.h. The is finite function is not called isfinite() but finite(). Sorry, my fault. :) ........ r60142 | georg.brandl | 2008-01-20 15:31:27 +0100 (Sun, 20 Jan 2008) | 2 lines #1876: fix typos in test_operator. ........
2008-01-20 11:14:11 -04:00
def __getitem__(self, name):
raise SyntaxError
self.assertRaises(SyntaxError, operator.itemgetter(42), C())
f = operator.itemgetter('name')
self.assertRaises(TypeError, f, a)
self.assertRaises(TypeError, operator.itemgetter)
d = dict(key='val')
f = operator.itemgetter('key')
self.assertEqual(f(d), 'val')
f = operator.itemgetter('nonkey')
self.assertRaises(KeyError, f, d)
# example used in the docs
inventory = [('apple', 3), ('banana', 2), ('pear', 5), ('orange', 1)]
getcount = operator.itemgetter(1)
Merged revisions 56125-56153 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/p3yk ........ r56127 | georg.brandl | 2007-06-30 09:32:49 +0200 (Sat, 30 Jun 2007) | 2 lines Fix a place where floor division would be in order. ........ r56135 | guido.van.rossum | 2007-07-01 06:13:54 +0200 (Sun, 01 Jul 2007) | 28 lines Make map() and filter() identical to itertools.imap() and .ifilter(), respectively. I fixed two bootstrap issues, due to the dynamic import of itertools: 1. Starting python requires that map() and filter() are not used until site.py has added build/lib.<arch> to sys.path. 2. Building python requires that setup.py and distutils and everything they use is free of map() and filter() calls. Beyond this, I only fixed the tests in test_builtin.py. Others, please help fixing the remaining tests that are now broken! The fixes are usually simple: a. map(None, X) -> list(X) b. map(F, X) -> list(map(F, X)) c. map(lambda x: F(x), X) -> [F(x) for x in X] d. filter(F, X) -> list(filter(F, X)) e. filter(lambda x: P(x), X) -> [x for x in X if P(x)] Someone, please also contribute a fixer for 2to3 to do this. It can leave map()/filter() calls alone that are already inside a list() or sorted() call or for-loop. Only in rare cases have I seen code that depends on map() of lists of different lengths going to the end of the longest, or on filter() of a string or tuple returning an object of the same type; these will need more thought to fix. ........ r56136 | guido.van.rossum | 2007-07-01 06:22:01 +0200 (Sun, 01 Jul 2007) | 3 lines Make it so that test_decimal fails instead of hangs, to help automated test runners. ........ r56139 | georg.brandl | 2007-07-01 18:20:58 +0200 (Sun, 01 Jul 2007) | 2 lines Fix a few test cases after the map->imap change. ........ r56142 | neal.norwitz | 2007-07-02 06:38:12 +0200 (Mon, 02 Jul 2007) | 1 line Get a bunch more tests passing after converting map/filter to return iterators. ........ r56147 | guido.van.rossum | 2007-07-02 15:32:02 +0200 (Mon, 02 Jul 2007) | 4 lines Fix the remaining failing unit tests (at least on OSX). Also tweaked urllib2 so it doesn't raise socket.gaierror when all network interfaces are turned off. ........
2007-07-03 05:25:58 -03:00
self.assertEqual(list(map(getcount, inventory)), [3, 2, 5, 1])
self.assertEqual(sorted(inventory, key=getcount),
[('orange', 1), ('banana', 2), ('apple', 3), ('pear', 5)])
# multiple gets
Merged revisions 56125-56153 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/p3yk ........ r56127 | georg.brandl | 2007-06-30 09:32:49 +0200 (Sat, 30 Jun 2007) | 2 lines Fix a place where floor division would be in order. ........ r56135 | guido.van.rossum | 2007-07-01 06:13:54 +0200 (Sun, 01 Jul 2007) | 28 lines Make map() and filter() identical to itertools.imap() and .ifilter(), respectively. I fixed two bootstrap issues, due to the dynamic import of itertools: 1. Starting python requires that map() and filter() are not used until site.py has added build/lib.<arch> to sys.path. 2. Building python requires that setup.py and distutils and everything they use is free of map() and filter() calls. Beyond this, I only fixed the tests in test_builtin.py. Others, please help fixing the remaining tests that are now broken! The fixes are usually simple: a. map(None, X) -> list(X) b. map(F, X) -> list(map(F, X)) c. map(lambda x: F(x), X) -> [F(x) for x in X] d. filter(F, X) -> list(filter(F, X)) e. filter(lambda x: P(x), X) -> [x for x in X if P(x)] Someone, please also contribute a fixer for 2to3 to do this. It can leave map()/filter() calls alone that are already inside a list() or sorted() call or for-loop. Only in rare cases have I seen code that depends on map() of lists of different lengths going to the end of the longest, or on filter() of a string or tuple returning an object of the same type; these will need more thought to fix. ........ r56136 | guido.van.rossum | 2007-07-01 06:22:01 +0200 (Sun, 01 Jul 2007) | 3 lines Make it so that test_decimal fails instead of hangs, to help automated test runners. ........ r56139 | georg.brandl | 2007-07-01 18:20:58 +0200 (Sun, 01 Jul 2007) | 2 lines Fix a few test cases after the map->imap change. ........ r56142 | neal.norwitz | 2007-07-02 06:38:12 +0200 (Mon, 02 Jul 2007) | 1 line Get a bunch more tests passing after converting map/filter to return iterators. ........ r56147 | guido.van.rossum | 2007-07-02 15:32:02 +0200 (Mon, 02 Jul 2007) | 4 lines Fix the remaining failing unit tests (at least on OSX). Also tweaked urllib2 so it doesn't raise socket.gaierror when all network interfaces are turned off. ........
2007-07-03 05:25:58 -03:00
data = list(map(str, range(20)))
self.assertEqual(operator.itemgetter(2,10,5)(data), ('2', '10', '5'))
self.assertRaises(TypeError, operator.itemgetter(2, 'x', 5), data)
# interesting indices
t = tuple('abcde')
self.assertEqual(operator.itemgetter(-1)(t), 'e')
self.assertEqual(operator.itemgetter(slice(2, 4))(t), ('c', 'd'))
# interesting sequences
class T(tuple):
'Tuple subclass'
pass
self.assertEqual(operator.itemgetter(0)(T('abc')), 'a')
self.assertEqual(operator.itemgetter(0)(['a', 'b', 'c']), 'a')
self.assertEqual(operator.itemgetter(0)(range(100, 200)), 100)
Merged revisions 61003-61033 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r61004 | georg.brandl | 2008-02-23 19:47:04 +0100 (Sat, 23 Feb 2008) | 2 lines Documentation coverage builder, part 1. ........ r61006 | andrew.kuchling | 2008-02-23 20:02:33 +0100 (Sat, 23 Feb 2008) | 1 line #1389051: IMAP module tries to read entire message in one chunk. Patch by Fredrik Lundh. ........ r61008 | andrew.kuchling | 2008-02-23 20:28:58 +0100 (Sat, 23 Feb 2008) | 1 line #1389051, #1092502: fix excessively large allocations when using read() on a socket ........ r61011 | jeffrey.yasskin | 2008-02-23 20:40:54 +0100 (Sat, 23 Feb 2008) | 13 lines Prevent classes like: class RunSelfFunction(object): def __init__(self): self.thread = threading.Thread(target=self._run) self.thread.start() def _run(self): pass from creating a permanent cycle between the object and the thread by having the Thread delete its references to the object when it completes. As an example of the effect of this bug, paramiko.Transport inherits from Thread to avoid it. ........ r61013 | jeffrey.yasskin | 2008-02-23 21:40:35 +0100 (Sat, 23 Feb 2008) | 3 lines Followup to r61011: Also avoid the reference cycle when the Thread's target raises an exception. ........ r61017 | georg.brandl | 2008-02-23 22:59:11 +0100 (Sat, 23 Feb 2008) | 2 lines #2101: fix removeAttribute docs. ........ r61018 | georg.brandl | 2008-02-23 23:05:38 +0100 (Sat, 23 Feb 2008) | 2 lines Add examples to modulefinder docs. Written for GHOP by Josip Dzolonga. ........ r61019 | georg.brandl | 2008-02-23 23:09:24 +0100 (Sat, 23 Feb 2008) | 2 lines Use os.closerange() in popen2. ........ r61020 | georg.brandl | 2008-02-23 23:14:02 +0100 (Sat, 23 Feb 2008) | 2 lines Use os.closerange(). ........ r61021 | georg.brandl | 2008-02-23 23:35:33 +0100 (Sat, 23 Feb 2008) | 3 lines In test_heapq and test_bisect, test both the Python and the C implementation. Originally written for GHOP by Josip Dzolonga, heavily patched by me. ........ r61024 | facundo.batista | 2008-02-23 23:54:12 +0100 (Sat, 23 Feb 2008) | 3 lines Added simple test case. Thanks Benjamin Peterson. ........ r61025 | georg.brandl | 2008-02-23 23:55:18 +0100 (Sat, 23 Feb 2008) | 2 lines #1825: correctly document msilib.add_data. ........ r61027 | georg.brandl | 2008-02-24 00:02:23 +0100 (Sun, 24 Feb 2008) | 2 lines #1826: allow dotted attribute paths in operator.attrgetter. ........ r61028 | georg.brandl | 2008-02-24 00:04:35 +0100 (Sun, 24 Feb 2008) | 2 lines #1506171: added operator.methodcaller(). ........ r61029 | georg.brandl | 2008-02-24 00:25:26 +0100 (Sun, 24 Feb 2008) | 2 lines Document import ./. threading issues. #1720705. ........ r61032 | georg.brandl | 2008-02-24 00:43:01 +0100 (Sun, 24 Feb 2008) | 2 lines Specify what kind of warning -3 emits. ........ r61033 | christian.heimes | 2008-02-24 00:59:45 +0100 (Sun, 24 Feb 2008) | 1 line MS Windows doesn't have mode_t but stat.st_mode is defined as unsigned short. ........
2008-02-23 20:38:49 -04:00
def test_methodcaller(self):
operator = self.module
Merged revisions 61003-61033 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r61004 | georg.brandl | 2008-02-23 19:47:04 +0100 (Sat, 23 Feb 2008) | 2 lines Documentation coverage builder, part 1. ........ r61006 | andrew.kuchling | 2008-02-23 20:02:33 +0100 (Sat, 23 Feb 2008) | 1 line #1389051: IMAP module tries to read entire message in one chunk. Patch by Fredrik Lundh. ........ r61008 | andrew.kuchling | 2008-02-23 20:28:58 +0100 (Sat, 23 Feb 2008) | 1 line #1389051, #1092502: fix excessively large allocations when using read() on a socket ........ r61011 | jeffrey.yasskin | 2008-02-23 20:40:54 +0100 (Sat, 23 Feb 2008) | 13 lines Prevent classes like: class RunSelfFunction(object): def __init__(self): self.thread = threading.Thread(target=self._run) self.thread.start() def _run(self): pass from creating a permanent cycle between the object and the thread by having the Thread delete its references to the object when it completes. As an example of the effect of this bug, paramiko.Transport inherits from Thread to avoid it. ........ r61013 | jeffrey.yasskin | 2008-02-23 21:40:35 +0100 (Sat, 23 Feb 2008) | 3 lines Followup to r61011: Also avoid the reference cycle when the Thread's target raises an exception. ........ r61017 | georg.brandl | 2008-02-23 22:59:11 +0100 (Sat, 23 Feb 2008) | 2 lines #2101: fix removeAttribute docs. ........ r61018 | georg.brandl | 2008-02-23 23:05:38 +0100 (Sat, 23 Feb 2008) | 2 lines Add examples to modulefinder docs. Written for GHOP by Josip Dzolonga. ........ r61019 | georg.brandl | 2008-02-23 23:09:24 +0100 (Sat, 23 Feb 2008) | 2 lines Use os.closerange() in popen2. ........ r61020 | georg.brandl | 2008-02-23 23:14:02 +0100 (Sat, 23 Feb 2008) | 2 lines Use os.closerange(). ........ r61021 | georg.brandl | 2008-02-23 23:35:33 +0100 (Sat, 23 Feb 2008) | 3 lines In test_heapq and test_bisect, test both the Python and the C implementation. Originally written for GHOP by Josip Dzolonga, heavily patched by me. ........ r61024 | facundo.batista | 2008-02-23 23:54:12 +0100 (Sat, 23 Feb 2008) | 3 lines Added simple test case. Thanks Benjamin Peterson. ........ r61025 | georg.brandl | 2008-02-23 23:55:18 +0100 (Sat, 23 Feb 2008) | 2 lines #1825: correctly document msilib.add_data. ........ r61027 | georg.brandl | 2008-02-24 00:02:23 +0100 (Sun, 24 Feb 2008) | 2 lines #1826: allow dotted attribute paths in operator.attrgetter. ........ r61028 | georg.brandl | 2008-02-24 00:04:35 +0100 (Sun, 24 Feb 2008) | 2 lines #1506171: added operator.methodcaller(). ........ r61029 | georg.brandl | 2008-02-24 00:25:26 +0100 (Sun, 24 Feb 2008) | 2 lines Document import ./. threading issues. #1720705. ........ r61032 | georg.brandl | 2008-02-24 00:43:01 +0100 (Sun, 24 Feb 2008) | 2 lines Specify what kind of warning -3 emits. ........ r61033 | christian.heimes | 2008-02-24 00:59:45 +0100 (Sun, 24 Feb 2008) | 1 line MS Windows doesn't have mode_t but stat.st_mode is defined as unsigned short. ........
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self.assertRaises(TypeError, operator.methodcaller)
self.assertRaises(TypeError, operator.methodcaller, 12)
Merged revisions 61003-61033 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r61004 | georg.brandl | 2008-02-23 19:47:04 +0100 (Sat, 23 Feb 2008) | 2 lines Documentation coverage builder, part 1. ........ r61006 | andrew.kuchling | 2008-02-23 20:02:33 +0100 (Sat, 23 Feb 2008) | 1 line #1389051: IMAP module tries to read entire message in one chunk. Patch by Fredrik Lundh. ........ r61008 | andrew.kuchling | 2008-02-23 20:28:58 +0100 (Sat, 23 Feb 2008) | 1 line #1389051, #1092502: fix excessively large allocations when using read() on a socket ........ r61011 | jeffrey.yasskin | 2008-02-23 20:40:54 +0100 (Sat, 23 Feb 2008) | 13 lines Prevent classes like: class RunSelfFunction(object): def __init__(self): self.thread = threading.Thread(target=self._run) self.thread.start() def _run(self): pass from creating a permanent cycle between the object and the thread by having the Thread delete its references to the object when it completes. As an example of the effect of this bug, paramiko.Transport inherits from Thread to avoid it. ........ r61013 | jeffrey.yasskin | 2008-02-23 21:40:35 +0100 (Sat, 23 Feb 2008) | 3 lines Followup to r61011: Also avoid the reference cycle when the Thread's target raises an exception. ........ r61017 | georg.brandl | 2008-02-23 22:59:11 +0100 (Sat, 23 Feb 2008) | 2 lines #2101: fix removeAttribute docs. ........ r61018 | georg.brandl | 2008-02-23 23:05:38 +0100 (Sat, 23 Feb 2008) | 2 lines Add examples to modulefinder docs. Written for GHOP by Josip Dzolonga. ........ r61019 | georg.brandl | 2008-02-23 23:09:24 +0100 (Sat, 23 Feb 2008) | 2 lines Use os.closerange() in popen2. ........ r61020 | georg.brandl | 2008-02-23 23:14:02 +0100 (Sat, 23 Feb 2008) | 2 lines Use os.closerange(). ........ r61021 | georg.brandl | 2008-02-23 23:35:33 +0100 (Sat, 23 Feb 2008) | 3 lines In test_heapq and test_bisect, test both the Python and the C implementation. Originally written for GHOP by Josip Dzolonga, heavily patched by me. ........ r61024 | facundo.batista | 2008-02-23 23:54:12 +0100 (Sat, 23 Feb 2008) | 3 lines Added simple test case. Thanks Benjamin Peterson. ........ r61025 | georg.brandl | 2008-02-23 23:55:18 +0100 (Sat, 23 Feb 2008) | 2 lines #1825: correctly document msilib.add_data. ........ r61027 | georg.brandl | 2008-02-24 00:02:23 +0100 (Sun, 24 Feb 2008) | 2 lines #1826: allow dotted attribute paths in operator.attrgetter. ........ r61028 | georg.brandl | 2008-02-24 00:04:35 +0100 (Sun, 24 Feb 2008) | 2 lines #1506171: added operator.methodcaller(). ........ r61029 | georg.brandl | 2008-02-24 00:25:26 +0100 (Sun, 24 Feb 2008) | 2 lines Document import ./. threading issues. #1720705. ........ r61032 | georg.brandl | 2008-02-24 00:43:01 +0100 (Sun, 24 Feb 2008) | 2 lines Specify what kind of warning -3 emits. ........ r61033 | christian.heimes | 2008-02-24 00:59:45 +0100 (Sun, 24 Feb 2008) | 1 line MS Windows doesn't have mode_t but stat.st_mode is defined as unsigned short. ........
2008-02-23 20:38:49 -04:00
class A:
def foo(self, *args, **kwds):
return args[0] + args[1]
def bar(self, f=42):
return f
def baz(*args, **kwds):
return kwds['name'], kwds['self']
Merged revisions 61003-61033 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r61004 | georg.brandl | 2008-02-23 19:47:04 +0100 (Sat, 23 Feb 2008) | 2 lines Documentation coverage builder, part 1. ........ r61006 | andrew.kuchling | 2008-02-23 20:02:33 +0100 (Sat, 23 Feb 2008) | 1 line #1389051: IMAP module tries to read entire message in one chunk. Patch by Fredrik Lundh. ........ r61008 | andrew.kuchling | 2008-02-23 20:28:58 +0100 (Sat, 23 Feb 2008) | 1 line #1389051, #1092502: fix excessively large allocations when using read() on a socket ........ r61011 | jeffrey.yasskin | 2008-02-23 20:40:54 +0100 (Sat, 23 Feb 2008) | 13 lines Prevent classes like: class RunSelfFunction(object): def __init__(self): self.thread = threading.Thread(target=self._run) self.thread.start() def _run(self): pass from creating a permanent cycle between the object and the thread by having the Thread delete its references to the object when it completes. As an example of the effect of this bug, paramiko.Transport inherits from Thread to avoid it. ........ r61013 | jeffrey.yasskin | 2008-02-23 21:40:35 +0100 (Sat, 23 Feb 2008) | 3 lines Followup to r61011: Also avoid the reference cycle when the Thread's target raises an exception. ........ r61017 | georg.brandl | 2008-02-23 22:59:11 +0100 (Sat, 23 Feb 2008) | 2 lines #2101: fix removeAttribute docs. ........ r61018 | georg.brandl | 2008-02-23 23:05:38 +0100 (Sat, 23 Feb 2008) | 2 lines Add examples to modulefinder docs. Written for GHOP by Josip Dzolonga. ........ r61019 | georg.brandl | 2008-02-23 23:09:24 +0100 (Sat, 23 Feb 2008) | 2 lines Use os.closerange() in popen2. ........ r61020 | georg.brandl | 2008-02-23 23:14:02 +0100 (Sat, 23 Feb 2008) | 2 lines Use os.closerange(). ........ r61021 | georg.brandl | 2008-02-23 23:35:33 +0100 (Sat, 23 Feb 2008) | 3 lines In test_heapq and test_bisect, test both the Python and the C implementation. Originally written for GHOP by Josip Dzolonga, heavily patched by me. ........ r61024 | facundo.batista | 2008-02-23 23:54:12 +0100 (Sat, 23 Feb 2008) | 3 lines Added simple test case. Thanks Benjamin Peterson. ........ r61025 | georg.brandl | 2008-02-23 23:55:18 +0100 (Sat, 23 Feb 2008) | 2 lines #1825: correctly document msilib.add_data. ........ r61027 | georg.brandl | 2008-02-24 00:02:23 +0100 (Sun, 24 Feb 2008) | 2 lines #1826: allow dotted attribute paths in operator.attrgetter. ........ r61028 | georg.brandl | 2008-02-24 00:04:35 +0100 (Sun, 24 Feb 2008) | 2 lines #1506171: added operator.methodcaller(). ........ r61029 | georg.brandl | 2008-02-24 00:25:26 +0100 (Sun, 24 Feb 2008) | 2 lines Document import ./. threading issues. #1720705. ........ r61032 | georg.brandl | 2008-02-24 00:43:01 +0100 (Sun, 24 Feb 2008) | 2 lines Specify what kind of warning -3 emits. ........ r61033 | christian.heimes | 2008-02-24 00:59:45 +0100 (Sun, 24 Feb 2008) | 1 line MS Windows doesn't have mode_t but stat.st_mode is defined as unsigned short. ........
2008-02-23 20:38:49 -04:00
a = A()
f = operator.methodcaller('foo')
self.assertRaises(IndexError, f, a)
f = operator.methodcaller('foo', 1, 2)
self.assertEqual(f(a), 3)
self.assertRaises(TypeError, f)
self.assertRaises(TypeError, f, a, 3)
self.assertRaises(TypeError, f, a, spam=3)
Merged revisions 61003-61033 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r61004 | georg.brandl | 2008-02-23 19:47:04 +0100 (Sat, 23 Feb 2008) | 2 lines Documentation coverage builder, part 1. ........ r61006 | andrew.kuchling | 2008-02-23 20:02:33 +0100 (Sat, 23 Feb 2008) | 1 line #1389051: IMAP module tries to read entire message in one chunk. Patch by Fredrik Lundh. ........ r61008 | andrew.kuchling | 2008-02-23 20:28:58 +0100 (Sat, 23 Feb 2008) | 1 line #1389051, #1092502: fix excessively large allocations when using read() on a socket ........ r61011 | jeffrey.yasskin | 2008-02-23 20:40:54 +0100 (Sat, 23 Feb 2008) | 13 lines Prevent classes like: class RunSelfFunction(object): def __init__(self): self.thread = threading.Thread(target=self._run) self.thread.start() def _run(self): pass from creating a permanent cycle between the object and the thread by having the Thread delete its references to the object when it completes. As an example of the effect of this bug, paramiko.Transport inherits from Thread to avoid it. ........ r61013 | jeffrey.yasskin | 2008-02-23 21:40:35 +0100 (Sat, 23 Feb 2008) | 3 lines Followup to r61011: Also avoid the reference cycle when the Thread's target raises an exception. ........ r61017 | georg.brandl | 2008-02-23 22:59:11 +0100 (Sat, 23 Feb 2008) | 2 lines #2101: fix removeAttribute docs. ........ r61018 | georg.brandl | 2008-02-23 23:05:38 +0100 (Sat, 23 Feb 2008) | 2 lines Add examples to modulefinder docs. Written for GHOP by Josip Dzolonga. ........ r61019 | georg.brandl | 2008-02-23 23:09:24 +0100 (Sat, 23 Feb 2008) | 2 lines Use os.closerange() in popen2. ........ r61020 | georg.brandl | 2008-02-23 23:14:02 +0100 (Sat, 23 Feb 2008) | 2 lines Use os.closerange(). ........ r61021 | georg.brandl | 2008-02-23 23:35:33 +0100 (Sat, 23 Feb 2008) | 3 lines In test_heapq and test_bisect, test both the Python and the C implementation. Originally written for GHOP by Josip Dzolonga, heavily patched by me. ........ r61024 | facundo.batista | 2008-02-23 23:54:12 +0100 (Sat, 23 Feb 2008) | 3 lines Added simple test case. Thanks Benjamin Peterson. ........ r61025 | georg.brandl | 2008-02-23 23:55:18 +0100 (Sat, 23 Feb 2008) | 2 lines #1825: correctly document msilib.add_data. ........ r61027 | georg.brandl | 2008-02-24 00:02:23 +0100 (Sun, 24 Feb 2008) | 2 lines #1826: allow dotted attribute paths in operator.attrgetter. ........ r61028 | georg.brandl | 2008-02-24 00:04:35 +0100 (Sun, 24 Feb 2008) | 2 lines #1506171: added operator.methodcaller(). ........ r61029 | georg.brandl | 2008-02-24 00:25:26 +0100 (Sun, 24 Feb 2008) | 2 lines Document import ./. threading issues. #1720705. ........ r61032 | georg.brandl | 2008-02-24 00:43:01 +0100 (Sun, 24 Feb 2008) | 2 lines Specify what kind of warning -3 emits. ........ r61033 | christian.heimes | 2008-02-24 00:59:45 +0100 (Sun, 24 Feb 2008) | 1 line MS Windows doesn't have mode_t but stat.st_mode is defined as unsigned short. ........
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f = operator.methodcaller('bar')
self.assertEqual(f(a), 42)
Merged revisions 61003-61033 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r61004 | georg.brandl | 2008-02-23 19:47:04 +0100 (Sat, 23 Feb 2008) | 2 lines Documentation coverage builder, part 1. ........ r61006 | andrew.kuchling | 2008-02-23 20:02:33 +0100 (Sat, 23 Feb 2008) | 1 line #1389051: IMAP module tries to read entire message in one chunk. Patch by Fredrik Lundh. ........ r61008 | andrew.kuchling | 2008-02-23 20:28:58 +0100 (Sat, 23 Feb 2008) | 1 line #1389051, #1092502: fix excessively large allocations when using read() on a socket ........ r61011 | jeffrey.yasskin | 2008-02-23 20:40:54 +0100 (Sat, 23 Feb 2008) | 13 lines Prevent classes like: class RunSelfFunction(object): def __init__(self): self.thread = threading.Thread(target=self._run) self.thread.start() def _run(self): pass from creating a permanent cycle between the object and the thread by having the Thread delete its references to the object when it completes. As an example of the effect of this bug, paramiko.Transport inherits from Thread to avoid it. ........ r61013 | jeffrey.yasskin | 2008-02-23 21:40:35 +0100 (Sat, 23 Feb 2008) | 3 lines Followup to r61011: Also avoid the reference cycle when the Thread's target raises an exception. ........ r61017 | georg.brandl | 2008-02-23 22:59:11 +0100 (Sat, 23 Feb 2008) | 2 lines #2101: fix removeAttribute docs. ........ r61018 | georg.brandl | 2008-02-23 23:05:38 +0100 (Sat, 23 Feb 2008) | 2 lines Add examples to modulefinder docs. Written for GHOP by Josip Dzolonga. ........ r61019 | georg.brandl | 2008-02-23 23:09:24 +0100 (Sat, 23 Feb 2008) | 2 lines Use os.closerange() in popen2. ........ r61020 | georg.brandl | 2008-02-23 23:14:02 +0100 (Sat, 23 Feb 2008) | 2 lines Use os.closerange(). ........ r61021 | georg.brandl | 2008-02-23 23:35:33 +0100 (Sat, 23 Feb 2008) | 3 lines In test_heapq and test_bisect, test both the Python and the C implementation. Originally written for GHOP by Josip Dzolonga, heavily patched by me. ........ r61024 | facundo.batista | 2008-02-23 23:54:12 +0100 (Sat, 23 Feb 2008) | 3 lines Added simple test case. Thanks Benjamin Peterson. ........ r61025 | georg.brandl | 2008-02-23 23:55:18 +0100 (Sat, 23 Feb 2008) | 2 lines #1825: correctly document msilib.add_data. ........ r61027 | georg.brandl | 2008-02-24 00:02:23 +0100 (Sun, 24 Feb 2008) | 2 lines #1826: allow dotted attribute paths in operator.attrgetter. ........ r61028 | georg.brandl | 2008-02-24 00:04:35 +0100 (Sun, 24 Feb 2008) | 2 lines #1506171: added operator.methodcaller(). ........ r61029 | georg.brandl | 2008-02-24 00:25:26 +0100 (Sun, 24 Feb 2008) | 2 lines Document import ./. threading issues. #1720705. ........ r61032 | georg.brandl | 2008-02-24 00:43:01 +0100 (Sun, 24 Feb 2008) | 2 lines Specify what kind of warning -3 emits. ........ r61033 | christian.heimes | 2008-02-24 00:59:45 +0100 (Sun, 24 Feb 2008) | 1 line MS Windows doesn't have mode_t but stat.st_mode is defined as unsigned short. ........
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self.assertRaises(TypeError, f, a, a)
f = operator.methodcaller('bar', f=5)
self.assertEqual(f(a), 5)
f = operator.methodcaller('baz', name='spam', self='eggs')
self.assertEqual(f(a), ('spam', 'eggs'))
Merged revisions 61003-61033 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r61004 | georg.brandl | 2008-02-23 19:47:04 +0100 (Sat, 23 Feb 2008) | 2 lines Documentation coverage builder, part 1. ........ r61006 | andrew.kuchling | 2008-02-23 20:02:33 +0100 (Sat, 23 Feb 2008) | 1 line #1389051: IMAP module tries to read entire message in one chunk. Patch by Fredrik Lundh. ........ r61008 | andrew.kuchling | 2008-02-23 20:28:58 +0100 (Sat, 23 Feb 2008) | 1 line #1389051, #1092502: fix excessively large allocations when using read() on a socket ........ r61011 | jeffrey.yasskin | 2008-02-23 20:40:54 +0100 (Sat, 23 Feb 2008) | 13 lines Prevent classes like: class RunSelfFunction(object): def __init__(self): self.thread = threading.Thread(target=self._run) self.thread.start() def _run(self): pass from creating a permanent cycle between the object and the thread by having the Thread delete its references to the object when it completes. As an example of the effect of this bug, paramiko.Transport inherits from Thread to avoid it. ........ r61013 | jeffrey.yasskin | 2008-02-23 21:40:35 +0100 (Sat, 23 Feb 2008) | 3 lines Followup to r61011: Also avoid the reference cycle when the Thread's target raises an exception. ........ r61017 | georg.brandl | 2008-02-23 22:59:11 +0100 (Sat, 23 Feb 2008) | 2 lines #2101: fix removeAttribute docs. ........ r61018 | georg.brandl | 2008-02-23 23:05:38 +0100 (Sat, 23 Feb 2008) | 2 lines Add examples to modulefinder docs. Written for GHOP by Josip Dzolonga. ........ r61019 | georg.brandl | 2008-02-23 23:09:24 +0100 (Sat, 23 Feb 2008) | 2 lines Use os.closerange() in popen2. ........ r61020 | georg.brandl | 2008-02-23 23:14:02 +0100 (Sat, 23 Feb 2008) | 2 lines Use os.closerange(). ........ r61021 | georg.brandl | 2008-02-23 23:35:33 +0100 (Sat, 23 Feb 2008) | 3 lines In test_heapq and test_bisect, test both the Python and the C implementation. Originally written for GHOP by Josip Dzolonga, heavily patched by me. ........ r61024 | facundo.batista | 2008-02-23 23:54:12 +0100 (Sat, 23 Feb 2008) | 3 lines Added simple test case. Thanks Benjamin Peterson. ........ r61025 | georg.brandl | 2008-02-23 23:55:18 +0100 (Sat, 23 Feb 2008) | 2 lines #1825: correctly document msilib.add_data. ........ r61027 | georg.brandl | 2008-02-24 00:02:23 +0100 (Sun, 24 Feb 2008) | 2 lines #1826: allow dotted attribute paths in operator.attrgetter. ........ r61028 | georg.brandl | 2008-02-24 00:04:35 +0100 (Sun, 24 Feb 2008) | 2 lines #1506171: added operator.methodcaller(). ........ r61029 | georg.brandl | 2008-02-24 00:25:26 +0100 (Sun, 24 Feb 2008) | 2 lines Document import ./. threading issues. #1720705. ........ r61032 | georg.brandl | 2008-02-24 00:43:01 +0100 (Sun, 24 Feb 2008) | 2 lines Specify what kind of warning -3 emits. ........ r61033 | christian.heimes | 2008-02-24 00:59:45 +0100 (Sun, 24 Feb 2008) | 1 line MS Windows doesn't have mode_t but stat.st_mode is defined as unsigned short. ........
2008-02-23 20:38:49 -04:00
def test_inplace(self):
operator = self.module
class C(object):
def __iadd__ (self, other): return "iadd"
def __iand__ (self, other): return "iand"
def __ifloordiv__(self, other): return "ifloordiv"
def __ilshift__ (self, other): return "ilshift"
def __imod__ (self, other): return "imod"
def __imul__ (self, other): return "imul"
def __imatmul__ (self, other): return "imatmul"
def __ior__ (self, other): return "ior"
def __ipow__ (self, other): return "ipow"
def __irshift__ (self, other): return "irshift"
def __isub__ (self, other): return "isub"
def __itruediv__ (self, other): return "itruediv"
def __ixor__ (self, other): return "ixor"
def __getitem__(self, other): return 5 # so that C is a sequence
c = C()
self.assertEqual(operator.iadd (c, 5), "iadd")
self.assertEqual(operator.iand (c, 5), "iand")
self.assertEqual(operator.ifloordiv(c, 5), "ifloordiv")
self.assertEqual(operator.ilshift (c, 5), "ilshift")
self.assertEqual(operator.imod (c, 5), "imod")
self.assertEqual(operator.imul (c, 5), "imul")
self.assertEqual(operator.imatmul (c, 5), "imatmul")
self.assertEqual(operator.ior (c, 5), "ior")
self.assertEqual(operator.ipow (c, 5), "ipow")
self.assertEqual(operator.irshift (c, 5), "irshift")
self.assertEqual(operator.isub (c, 5), "isub")
self.assertEqual(operator.itruediv (c, 5), "itruediv")
self.assertEqual(operator.ixor (c, 5), "ixor")
self.assertEqual(operator.iconcat (c, c), "iadd")
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def test_length_hint(self):
operator = self.module
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class X(object):
def __init__(self, value):
self.value = value
def __length_hint__(self):
if type(self.value) is type:
raise self.value
else:
return self.value
self.assertEqual(operator.length_hint([], 2), 0)
self.assertEqual(operator.length_hint(iter([1, 2, 3])), 3)
self.assertEqual(operator.length_hint(X(2)), 2)
self.assertEqual(operator.length_hint(X(NotImplemented), 4), 4)
self.assertEqual(operator.length_hint(X(TypeError), 12), 12)
with self.assertRaises(TypeError):
operator.length_hint(X("abc"))
with self.assertRaises(ValueError):
operator.length_hint(X(-2))
with self.assertRaises(LookupError):
operator.length_hint(X(LookupError))
def test_dunder_is_original(self):
operator = self.module
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names = [name for name in dir(operator) if not name.startswith('_')]
for name in names:
orig = getattr(operator, name)
dunder = getattr(operator, '__' + name.strip('_') + '__', None)
if dunder:
self.assertIs(dunder, orig)
class PyOperatorTestCase(OperatorTestCase, unittest.TestCase):
module = py_operator
@unittest.skipUnless(c_operator, 'requires _operator')
class COperatorTestCase(OperatorTestCase, unittest.TestCase):
module = c_operator
class OperatorPickleTestCase:
def copy(self, obj, proto):
with support.swap_item(sys.modules, 'operator', self.module):
pickled = pickle.dumps(obj, proto)
with support.swap_item(sys.modules, 'operator', self.module2):
return pickle.loads(pickled)
def test_attrgetter(self):
attrgetter = self.module.attrgetter
class A:
pass
a = A()
a.x = 'X'
a.y = 'Y'
a.z = 'Z'
a.t = A()
a.t.u = A()
a.t.u.v = 'V'
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
with self.subTest(proto=proto):
f = attrgetter('x')
f2 = self.copy(f, proto)
self.assertEqual(repr(f2), repr(f))
self.assertEqual(f2(a), f(a))
# multiple gets
f = attrgetter('x', 'y', 'z')
f2 = self.copy(f, proto)
self.assertEqual(repr(f2), repr(f))
self.assertEqual(f2(a), f(a))
# recursive gets
f = attrgetter('t.u.v')
f2 = self.copy(f, proto)
self.assertEqual(repr(f2), repr(f))
self.assertEqual(f2(a), f(a))
def test_itemgetter(self):
itemgetter = self.module.itemgetter
a = 'ABCDE'
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
with self.subTest(proto=proto):
f = itemgetter(2)
f2 = self.copy(f, proto)
self.assertEqual(repr(f2), repr(f))
self.assertEqual(f2(a), f(a))
# multiple gets
f = itemgetter(2, 0, 4)
f2 = self.copy(f, proto)
self.assertEqual(repr(f2), repr(f))
self.assertEqual(f2(a), f(a))
def test_methodcaller(self):
methodcaller = self.module.methodcaller
class A:
def foo(self, *args, **kwds):
return args[0] + args[1]
def bar(self, f=42):
return f
def baz(*args, **kwds):
return kwds['name'], kwds['self']
a = A()
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
with self.subTest(proto=proto):
f = methodcaller('bar')
f2 = self.copy(f, proto)
self.assertEqual(repr(f2), repr(f))
self.assertEqual(f2(a), f(a))
# positional args
f = methodcaller('foo', 1, 2)
f2 = self.copy(f, proto)
self.assertEqual(repr(f2), repr(f))
self.assertEqual(f2(a), f(a))
# keyword args
f = methodcaller('bar', f=5)
f2 = self.copy(f, proto)
self.assertEqual(repr(f2), repr(f))
self.assertEqual(f2(a), f(a))
f = methodcaller('baz', self='eggs', name='spam')
f2 = self.copy(f, proto)
# Can't test repr consistently with multiple keyword args
self.assertEqual(f2(a), f(a))
class PyPyOperatorPickleTestCase(OperatorPickleTestCase, unittest.TestCase):
module = py_operator
module2 = py_operator
@unittest.skipUnless(c_operator, 'requires _operator')
class PyCOperatorPickleTestCase(OperatorPickleTestCase, unittest.TestCase):
module = py_operator
module2 = c_operator
@unittest.skipUnless(c_operator, 'requires _operator')
class CPyOperatorPickleTestCase(OperatorPickleTestCase, unittest.TestCase):
module = c_operator
module2 = py_operator
@unittest.skipUnless(c_operator, 'requires _operator')
class CCOperatorPickleTestCase(OperatorPickleTestCase, unittest.TestCase):
module = c_operator
module2 = c_operator
if __name__ == "__main__":
unittest.main()