AppPkg/Applications/Python: Add Python 2.7.2 sources since the release of Python 2.7.3 made them unavailable from the python.org web site.
These files are a subset of the python-2.7.2.tgz distribution from python.org. Changed files from PyMod-2.7.2 have been copied into the corresponding directories of this tree, replacing the original files in the distribution. Signed-off-by: daryl.mcdaniel@intel.com git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13197 6f19259b-4bc3-4df7-8a09-765794883524
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darylm503
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"""Unit tests for the memoryview
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XXX We need more tests! Some tests are in test_bytes
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"""
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import unittest
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import sys
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import gc
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import weakref
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import array
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from test import test_support
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import io
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class AbstractMemoryTests:
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source_bytes = b"abcdef"
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@property
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def _source(self):
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return self.source_bytes
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@property
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def _types(self):
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return filter(None, [self.ro_type, self.rw_type])
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def check_getitem_with_type(self, tp):
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item = self.getitem_type
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b = tp(self._source)
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oldrefcount = sys.getrefcount(b)
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m = self._view(b)
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self.assertEqual(m[0], item(b"a"))
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self.assertIsInstance(m[0], bytes)
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self.assertEqual(m[5], item(b"f"))
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self.assertEqual(m[-1], item(b"f"))
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self.assertEqual(m[-6], item(b"a"))
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# Bounds checking
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self.assertRaises(IndexError, lambda: m[6])
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self.assertRaises(IndexError, lambda: m[-7])
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self.assertRaises(IndexError, lambda: m[sys.maxsize])
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self.assertRaises(IndexError, lambda: m[-sys.maxsize])
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# Type checking
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self.assertRaises(TypeError, lambda: m[None])
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self.assertRaises(TypeError, lambda: m[0.0])
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self.assertRaises(TypeError, lambda: m["a"])
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m = None
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self.assertEqual(sys.getrefcount(b), oldrefcount)
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def test_getitem(self):
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for tp in self._types:
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self.check_getitem_with_type(tp)
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def test_iter(self):
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for tp in self._types:
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b = tp(self._source)
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m = self._view(b)
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self.assertEqual(list(m), [m[i] for i in range(len(m))])
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def test_repr(self):
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for tp in self._types:
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b = tp(self._source)
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m = self._view(b)
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self.assertIsInstance(m.__repr__(), str)
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def test_setitem_readonly(self):
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if not self.ro_type:
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return
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b = self.ro_type(self._source)
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oldrefcount = sys.getrefcount(b)
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m = self._view(b)
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def setitem(value):
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m[0] = value
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self.assertRaises(TypeError, setitem, b"a")
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self.assertRaises(TypeError, setitem, 65)
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self.assertRaises(TypeError, setitem, memoryview(b"a"))
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m = None
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self.assertEqual(sys.getrefcount(b), oldrefcount)
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def test_setitem_writable(self):
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if not self.rw_type:
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return
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tp = self.rw_type
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b = self.rw_type(self._source)
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oldrefcount = sys.getrefcount(b)
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m = self._view(b)
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m[0] = tp(b"0")
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self._check_contents(tp, b, b"0bcdef")
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m[1:3] = tp(b"12")
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self._check_contents(tp, b, b"012def")
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m[1:1] = tp(b"")
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self._check_contents(tp, b, b"012def")
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m[:] = tp(b"abcdef")
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self._check_contents(tp, b, b"abcdef")
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# Overlapping copies of a view into itself
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m[0:3] = m[2:5]
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self._check_contents(tp, b, b"cdedef")
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m[:] = tp(b"abcdef")
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m[2:5] = m[0:3]
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self._check_contents(tp, b, b"ababcf")
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def setitem(key, value):
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m[key] = tp(value)
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# Bounds checking
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self.assertRaises(IndexError, setitem, 6, b"a")
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self.assertRaises(IndexError, setitem, -7, b"a")
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self.assertRaises(IndexError, setitem, sys.maxsize, b"a")
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self.assertRaises(IndexError, setitem, -sys.maxsize, b"a")
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# Wrong index/slice types
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self.assertRaises(TypeError, setitem, 0.0, b"a")
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self.assertRaises(TypeError, setitem, (0,), b"a")
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self.assertRaises(TypeError, setitem, "a", b"a")
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# Trying to resize the memory object
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self.assertRaises(ValueError, setitem, 0, b"")
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self.assertRaises(ValueError, setitem, 0, b"ab")
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self.assertRaises(ValueError, setitem, slice(1,1), b"a")
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self.assertRaises(ValueError, setitem, slice(0,2), b"a")
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m = None
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self.assertEqual(sys.getrefcount(b), oldrefcount)
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def test_delitem(self):
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for tp in self._types:
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b = tp(self._source)
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m = self._view(b)
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with self.assertRaises(TypeError):
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del m[1]
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with self.assertRaises(TypeError):
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del m[1:4]
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def test_tobytes(self):
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for tp in self._types:
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m = self._view(tp(self._source))
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b = m.tobytes()
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# This calls self.getitem_type() on each separate byte of b"abcdef"
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expected = b"".join(
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self.getitem_type(c) for c in b"abcdef")
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self.assertEqual(b, expected)
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self.assertIsInstance(b, bytes)
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def test_tolist(self):
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for tp in self._types:
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m = self._view(tp(self._source))
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l = m.tolist()
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self.assertEqual(l, map(ord, b"abcdef"))
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def test_compare(self):
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# memoryviews can compare for equality with other objects
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# having the buffer interface.
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for tp in self._types:
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m = self._view(tp(self._source))
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for tp_comp in self._types:
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self.assertTrue(m == tp_comp(b"abcdef"))
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self.assertFalse(m != tp_comp(b"abcdef"))
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self.assertFalse(m == tp_comp(b"abcde"))
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self.assertTrue(m != tp_comp(b"abcde"))
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self.assertFalse(m == tp_comp(b"abcde1"))
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self.assertTrue(m != tp_comp(b"abcde1"))
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self.assertTrue(m == m)
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self.assertTrue(m == m[:])
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self.assertTrue(m[0:6] == m[:])
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self.assertFalse(m[0:5] == m)
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# Comparison with objects which don't support the buffer API
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self.assertFalse(m == u"abcdef")
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self.assertTrue(m != u"abcdef")
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self.assertFalse(u"abcdef" == m)
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self.assertTrue(u"abcdef" != m)
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# Unordered comparisons are unimplemented, and therefore give
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# arbitrary results (they raise a TypeError in py3k)
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def check_attributes_with_type(self, tp):
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m = self._view(tp(self._source))
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self.assertEqual(m.format, self.format)
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self.assertIsInstance(m.format, str)
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self.assertEqual(m.itemsize, self.itemsize)
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self.assertEqual(m.ndim, 1)
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self.assertEqual(m.shape, (6,))
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self.assertEqual(len(m), 6)
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self.assertEqual(m.strides, (self.itemsize,))
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self.assertEqual(m.suboffsets, None)
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return m
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def test_attributes_readonly(self):
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if not self.ro_type:
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return
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m = self.check_attributes_with_type(self.ro_type)
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self.assertEqual(m.readonly, True)
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def test_attributes_writable(self):
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if not self.rw_type:
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return
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m = self.check_attributes_with_type(self.rw_type)
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self.assertEqual(m.readonly, False)
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# Disabled: unicode uses the old buffer API in 2.x
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#def test_getbuffer(self):
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## Test PyObject_GetBuffer() on a memoryview object.
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#for tp in self._types:
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#b = tp(self._source)
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#oldrefcount = sys.getrefcount(b)
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#m = self._view(b)
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#oldviewrefcount = sys.getrefcount(m)
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#s = unicode(m, "utf-8")
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#self._check_contents(tp, b, s.encode("utf-8"))
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#self.assertEqual(sys.getrefcount(m), oldviewrefcount)
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#m = None
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#self.assertEqual(sys.getrefcount(b), oldrefcount)
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def test_gc(self):
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for tp in self._types:
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if not isinstance(tp, type):
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# If tp is a factory rather than a plain type, skip
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continue
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class MySource(tp):
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pass
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class MyObject:
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pass
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# Create a reference cycle through a memoryview object
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b = MySource(tp(b'abc'))
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m = self._view(b)
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o = MyObject()
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b.m = m
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b.o = o
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wr = weakref.ref(o)
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b = m = o = None
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# The cycle must be broken
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gc.collect()
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self.assertTrue(wr() is None, wr())
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def test_writable_readonly(self):
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# Issue #10451: memoryview incorrectly exposes a readonly
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# buffer as writable causing a segfault if using mmap
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tp = self.ro_type
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if tp is None:
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return
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b = tp(self._source)
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m = self._view(b)
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i = io.BytesIO(b'ZZZZ')
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self.assertRaises(TypeError, i.readinto, m)
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# Variations on source objects for the buffer: bytes-like objects, then arrays
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# with itemsize > 1.
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# NOTE: support for multi-dimensional objects is unimplemented.
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class BaseBytesMemoryTests(AbstractMemoryTests):
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ro_type = bytes
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rw_type = bytearray
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getitem_type = bytes
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itemsize = 1
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format = 'B'
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# Disabled: array.array() does not support the new buffer API in 2.x
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#class BaseArrayMemoryTests(AbstractMemoryTests):
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#ro_type = None
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#rw_type = lambda self, b: array.array('i', map(ord, b))
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#getitem_type = lambda self, b: array.array('i', map(ord, b)).tostring()
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#itemsize = array.array('i').itemsize
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#format = 'i'
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#def test_getbuffer(self):
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## XXX Test should be adapted for non-byte buffers
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#pass
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#def test_tolist(self):
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## XXX NotImplementedError: tolist() only supports byte views
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#pass
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# Variations on indirection levels: memoryview, slice of memoryview,
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# slice of slice of memoryview.
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# This is important to test allocation subtleties.
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class BaseMemoryviewTests:
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def _view(self, obj):
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return memoryview(obj)
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def _check_contents(self, tp, obj, contents):
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self.assertEqual(obj, tp(contents))
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class BaseMemorySliceTests:
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source_bytes = b"XabcdefY"
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def _view(self, obj):
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m = memoryview(obj)
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return m[1:7]
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def _check_contents(self, tp, obj, contents):
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self.assertEqual(obj[1:7], tp(contents))
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def test_refs(self):
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for tp in self._types:
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m = memoryview(tp(self._source))
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oldrefcount = sys.getrefcount(m)
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m[1:2]
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self.assertEqual(sys.getrefcount(m), oldrefcount)
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class BaseMemorySliceSliceTests:
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source_bytes = b"XabcdefY"
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def _view(self, obj):
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m = memoryview(obj)
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return m[:7][1:]
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def _check_contents(self, tp, obj, contents):
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self.assertEqual(obj[1:7], tp(contents))
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# Concrete test classes
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class BytesMemoryviewTest(unittest.TestCase,
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BaseMemoryviewTests, BaseBytesMemoryTests):
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def test_constructor(self):
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for tp in self._types:
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ob = tp(self._source)
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self.assertTrue(memoryview(ob))
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self.assertTrue(memoryview(object=ob))
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self.assertRaises(TypeError, memoryview)
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self.assertRaises(TypeError, memoryview, ob, ob)
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self.assertRaises(TypeError, memoryview, argument=ob)
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self.assertRaises(TypeError, memoryview, ob, argument=True)
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#class ArrayMemoryviewTest(unittest.TestCase,
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#BaseMemoryviewTests, BaseArrayMemoryTests):
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#def test_array_assign(self):
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## Issue #4569: segfault when mutating a memoryview with itemsize != 1
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#a = array.array('i', range(10))
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#m = memoryview(a)
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#new_a = array.array('i', range(9, -1, -1))
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#m[:] = new_a
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#self.assertEqual(a, new_a)
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class BytesMemorySliceTest(unittest.TestCase,
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BaseMemorySliceTests, BaseBytesMemoryTests):
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pass
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#class ArrayMemorySliceTest(unittest.TestCase,
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#BaseMemorySliceTests, BaseArrayMemoryTests):
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#pass
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class BytesMemorySliceSliceTest(unittest.TestCase,
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BaseMemorySliceSliceTests, BaseBytesMemoryTests):
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pass
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#class ArrayMemorySliceSliceTest(unittest.TestCase,
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#BaseMemorySliceSliceTests, BaseArrayMemoryTests):
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#pass
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def test_main():
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test_support.run_unittest(__name__)
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if __name__ == "__main__":
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test_main()
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Block a user