def test_wchar_ptr(self):
s = u"abcdefghijklmnopqrstuvwxyz\0"
dll.my_wcsdup.restype = POINTER(c_wchar)
dll.my_wcsdup.argtypes = POINTER(c_wchar),
dll.my_free.restype = None
res = dll.my_wcsdup(s)
assert res[:len(s)] == s
import operator
with pytest.raises(TypeError):
operator.setslice(res, 0, 5, u"abcde")
dll.my_free(res)
if sizeof(c_wchar) == sizeof(c_short):
dll.my_wcsdup.restype = POINTER(c_short)
elif sizeof(c_wchar) == sizeof(c_int):
dll.my_wcsdup.restype = POINTER(c_int)
elif sizeof(c_wchar) == sizeof(c_long):
dll.my_wcsdup.restype = POINTER(c_long)
else:
return
res = dll.my_wcsdup(s)
assert res[:len(s) - 1] == range(ord("a"), ord("z") + 1)
dll.my_free(res)
def test_setslice(self):
a = range(4)
self.failUnlessRaises(TypeError, operator.setslice, a)
self.failUnlessRaises(TypeError, operator.setslice, a, None, None, None)
self.failUnless(operator.setslice(a, 1, 3, [2, 1]) is None)
self.assert_(a == [0, 2, 1, 3])
operator.setslice(a, 0, test_support.MAX_Py_ssize_t, [])
self.assert_(a == [])
def test_setslice(self):
a = range(4)
self.assertRaises(TypeError, operator.setslice, a)
self.assertRaises(TypeError, operator.setslice, a, None, None, None)
self.assertTrue(operator.setslice(a, 1, 3, [2, 1]) is None)
self.assertTrue(a == [0, 2, 1, 3])
operator.setslice(a, 0, test_support.MAX_Py_ssize_t, [])
self.assertTrue(a == [])
def test_setslice(self):
a = list(range(4))
self.assertRaises(TypeError, operator.setslice, a)
self.assertRaises(TypeError, operator.setslice, a, None, None, None)
self.assertTrue(operator.setslice(a, 1, 3, [2, 1]) is None)
self.assertTrue(a == [0, 2, 1, 3])
operator.setslice(a, 0, support.MAX_Py_ssize_t, [])
self.assertTrue(a == [])
def __setitem__ (self,key,value):
if isinstance(key,slice):
if hasattr(value,'__getitem__'):
try:
operator.setitem(self._datap,key,value) # works for 2.6+
except TypeError:
operator.setslice(self._datap,key.start,key.stop, value) # deprecated in 2.6, works in 2.5
#self._datap.__setitem__(key,value)
else:
raise TypeError("Value must be a sequence")
else:
self._datap[key] = self.dtype(value)
def __setitem__(self, key, value):
if isinstance(key, slice):
if hasattr(value, '__getitem__'):
try:
operator.setitem(self._datap, key, value) # works for 2.6+
except TypeError:
operator.setslice(self._datap, key.start, key.stop,
value) # deprecated in 2.6, works in 2.5
#self._datap.__setitem__(key,value)
else:
raise TypeError("Value must be a sequence")
else:
self._datap[key] = self.dtype(value)
def test_setslice(self):
a = range(4)
self.failUnlessRaises(TypeError, operator.setslice, a)
self.failUnlessRaises(TypeError, operator.setslice, a, None, None,
None)
self.failUnless(operator.setslice(a, 1, 3, [2, 1]) is None)
self.assert_(a == [0, 2, 1, 3])
def test_char_ptr(self):
s = "abcdefghijklmnopqrstuvwxyz"
dll.my_strdup.restype = POINTER(c_char)
dll.my_free.restype = None
res = dll.my_strdup(s)
assert res[:len(s)] == s
import operator
with pytest.raises(TypeError):
operator.setslice(res, 0, 5, u"abcde")
dll.my_free(res)
dll.my_strdup.restype = POINTER(c_byte)
res = dll.my_strdup(s)
assert res[:len(s)] == range(ord("a"), ord("z") + 1)
dll.my_free(res)
def test_setslice_cint(self):
a = (c_int * 100)(*xrange(1100, 1200))
b = range(1100, 1200)
a[32:47] = range(32, 47)
assert a[32:47] == range(32, 47)
from operator import setslice
# TypeError: int expected instead of str instance
with pytest.raises(TypeError):
setslice(a, 0, 5, "abcde")
# TypeError: int expected instead of str instance
with pytest.raises(TypeError):
setslice(a, 0, 5, ["a", "b", "c", "d", "e"])
# TypeError: int expected instead of float instance
with pytest.raises(TypeError):
setslice(a, 0, 5, [1, 2, 3, 4, 3.14])
# ValueError: Can only assign sequence of same size
with pytest.raises(ValueError):
setslice(a, 0, 5, range(32))
def setslice(a, b, c, v):
return operator.setslice(a, b, c, v)
def test_setslice(self):
a = range(4)
self.failUnlessRaises(TypeError, operator.setslice, a)
self.failUnlessRaises(TypeError, operator.setslice, a, None, None, None)
self.failUnless(operator.setslice(a, 1, 3, [2, 1]) is None)
self.assert_(a == [0, 2, 1, 3])
# True
# False
# 4
# 0
# 1
c = [1, 'a', None, 10.01, {'key':'value'}]
# 通过下标操作序列
print operator.getitem(c, 4)
print operator.getslice(c, 1, 4)
operator.setitem(c, 2, 9999)
print c
operator.setslice(c, 3,-1, [10,20,30,40,50])
print c
operator.delitem(c, 0)
print c
operator.delslice(c, 2, 7)
print c
# output
# {'key': 'value'}
# ['a', None, 10.01]
# [1, 'a', 9999, 10.01, {'key': 'value'}]
# [1, 'a', 9999, 10, 20, 30, 40, 50, {'key': 'value'}]
# ['a', 9999, 10, 20, 30, 40, 50, {'key': 'value'}]
# ['a', 9999, {'key': 'value'}]
#取得字典的值 同 a[b]
a = {0:"zero",1:"one",2:"two"}
print operator.getitem(a,0)
#取得序列的片段 同 a[b:c]
a = [1,2,3,4,5]
print operator.getslice(a,0,2)
#设定字典的值 同 a[b]=c
a = {0:"zero",1:"one",2:"two"}
operator.setitem(a,3,"three")
print a
#设定序列的片段 同 a[b:c]=d
a = [1,2,3,4,5]
operator.setslice(a,1,2,["two"])
print a
#序列翻倍 同序列的 *=
a = [1,2,3]
print operator.repeat(a,5)
print operator.irepeat(a,5)
#判断值相等 同 =
print operator.eq(1,"1")
print operator.eq("a","a")
#判断值不等 同 !=
print operator.ne(1,"1")
print operator.ne("a","a")
print(" is ", "abc" is "abc")
print(" is_", op.is_("abc","abc"))
print(" is not ", "abc" is not "abcd")
print(" is_", op.is_not("abc","abcd"))
print(" in ", "a" in "abc")
print(" __contains__", "abc".__contains__('a'))
print(" contains", op.contains("abc",'a'))
print(" in ", "a" not in "abc")
print(" __contains__", not("abc".__contains__('a')))
print(" contains", op.not_(op.contains("abc",'a')))
print(" __getslice__ :", [0,1,2,3].__getslice__(0,2))
print(" getslice :", op.getslice([0,1,2,3],0,2))
l=[0,1,2,3]
print(" __setslice__ :", l.__setslice__(0,2,[99,99]),l)
print(" __delslice__ :", l.__delslice__(0,2),l)
l=[0,1,2,3]
print(" setslice :", op.setslice(l,0,2,[99,99]),l)
print(" delslice :", op.delslice(l,0,2),l)
print(" __getitem__ : ", [0,1,2,3].__getitem__(slice(0,2)))
print(" getitem : ", op.getitem([0,1,2,3],slice(0,2)))
l=[0,1,2,3]
print(" __setitem__ :", l.__setitem__(slice(0,2),[99,99]),l)
print(" __delitem__ :", l.__delitem__(slice(0,2)),l)
l=[0,1,2,3]
print(" setitem :", op.setitem(l,slice(0,2),[99,99]),l)
print(" delitem :", op.delitem(l,slice(0,2)),l)
def test_setslice(self):
a = range(4)
self.failUnless(operator.setslice(a, 1, 3, [2, 1]) is None)
self.assert_(a == [0, 2, 1, 3])
#取得字典的值 同 a[b]
a = {0: "zero", 1: "one", 2: "two"}
print operator.getitem(a, 0)
#取得序列的片段 同 a[b:c]
a = [1, 2, 3, 4, 5]
print operator.getslice(a, 0, 2)
#设定字典的值 同 a[b]=c
a = {0: "zero", 1: "one", 2: "two"}
operator.setitem(a, 3, "three")
print a
#设定序列的片段 同 a[b:c]=d
a = [1, 2, 3, 4, 5]
operator.setslice(a, 1, 2, ["two"])
print a
#序列翻倍 同序列的 *=
a = [1, 2, 3]
print operator.repeat(a, 5)
print operator.irepeat(a, 5)
#判断值相等 同 =
print operator.eq(1, "1")
print operator.eq("a", "a")
#判断值不等 同 !=
print operator.ne(1, "1")
print operator.ne("a", "a")
def test_setslice(self):
a = range(4)
self.failUnless(operator.setslice(a, 1, 3, [2, 1]) is None)
self.assert_(a == [0, 2, 1, 3])
import operator
def setslice(a, b, c, v):
return operator.setslice(a, b, c, v)
import operator