Author: Brian Kearns <[email protected]>
Branch: stdlib-2.7.8
Changeset: r73023:e58e1cf2c0f2
Date: 2014-08-24 11:35 -0400
http://bitbucket.org/pypy/pypy/changeset/e58e1cf2c0f2/
Log: cleanup operator mapping/sequence tests
diff --git a/pypy/module/operator/app_operator.py
b/pypy/module/operator/app_operator.py
--- a/pypy/module/operator/app_operator.py
+++ b/pypy/module/operator/app_operator.py
@@ -5,8 +5,10 @@
equivalent to x+y.
'''
from __pypy__ import builtinify
+import types
-def countOf(a,b):
+
+def countOf(a,b):
'countOf(a, b) -- Return the number of times b occurs in a.'
count = 0
for x in a:
@@ -37,11 +39,11 @@
index += 1
raise ValueError, 'sequence.index(x): x not in sequence'
-# XXX the following is approximative
def isMappingType(obj,):
'isMappingType(a) -- Return True if a has a mapping type, False otherwise.'
- # XXX this is fragile and approximative anyway
- return hasattr(obj, '__getitem__') and hasattr(obj, 'keys')
+ if isinstance(obj, types.InstanceType):
+ return hasattr(obj, '__getitem__')
+ return hasattr(obj, '__getitem__') and not hasattr(obj, '__getslice__')
def isNumberType(obj,):
'isNumberType(a) -- Return True if a has a numeric type, False otherwise.'
@@ -49,7 +51,9 @@
def isSequenceType(obj,):
'isSequenceType(a) -- Return True if a has a sequence type, False
otherwise.'
- return hasattr(obj, '__getitem__') and not hasattr(obj, 'keys')
+ if isinstance(obj, dict):
+ return False
+ return hasattr(obj, '__getitem__')
def repeat(obj, num):
'repeat(a, b) -- Return a * b, where a is a sequence, and b is an integer.'
diff --git a/pypy/module/operator/test/test_operator.py
b/pypy/module/operator/test/test_operator.py
--- a/pypy/module/operator/test/test_operator.py
+++ b/pypy/module/operator/test/test_operator.py
@@ -140,6 +140,35 @@
assert operator.repeat(a, 0) == []
raises(TypeError, operator.repeat, 6, 7)
+ def test_isMappingType(self):
+ import operator
+ assert not operator.isMappingType([])
+ assert operator.isMappingType(dict())
+ class M:
+ def __getitem__(self, key):
+ return 42
+ assert operator.isMappingType(M())
+ del M.__getitem__
+ assert not operator.isMappingType(M())
+ class M(object):
+ def __getitem__(self, key):
+ return 42
+ assert operator.isMappingType(M())
+ del M.__getitem__
+ assert not operator.isMappingType(M())
+ class M:
+ def __getitem__(self, key):
+ return 42
+ def __getslice__(self, key):
+ return 42
+ assert operator.isMappingType(M())
+ class M(object):
+ def __getitem__(self, key):
+ return 42
+ def __getslice__(self, key):
+ return 42
+ assert not operator.isMappingType(M())
+
def test_isSequenceType(self):
import operator
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