Rev 140: Implement .num_refs and .num_referrers in http://bazaar.launchpad.net/~jameinel/meliae/mem-object-collection
John Arbash Meinel
john at arbash-meinel.com
Mon Dec 28 05:27:58 GMT 2009
At http://bazaar.launchpad.net/~jameinel/meliae/mem-object-collection
------------------------------------------------------------
revno: 140
revision-id: john at arbash-meinel.com-20091228052742-5a4pyc9lmwpukvy5
parent: john at arbash-meinel.com-20091228052331-rlb3yi3hdgr3kchu
committer: John Arbash Meinel <john at arbash-meinel.com>
branch nick: mem-object-collection
timestamp: Sun 2009-12-27 23:27:42 -0600
message:
Implement .num_refs and .num_referrers
-------------- next part --------------
=== modified file 'meliae/_loader.pyx'
--- a/meliae/_loader.pyx 2009-12-28 05:23:31 +0000
+++ b/meliae/_loader.pyx 2009-12-28 05:27:42 +0000
@@ -241,6 +241,10 @@
return 0
return self._obj.ref_list.size
+ property num_refs:
+ def __get__(self):
+ return self.__len__()
+
def _intern_from_cache(self, cache):
self._ensure_obj()
address = _set_default(cache, <object>self._obj.address)
@@ -279,6 +283,15 @@
_free_ref_list(self._obj.referrer_list)
self._obj.referrer_list = _list_to_ref_list(value)
+ property num_referrers:
+ """The length of the referrers list."""
+ def __get__(self):
+ self._ensure_obj()
+ if self._obj.referrer_list == NULL:
+ return 0
+ return self._obj.referrer_list.size
+
+
def __getitem__(self, offset):
cdef long off
self._ensure_obj()
=== modified file 'meliae/tests/test__loader.py'
--- a/meliae/tests/test__loader.py 2009-12-28 05:23:31 +0000
+++ b/meliae/tests/test__loader.py 2009-12-28 05:27:42 +0000
@@ -346,10 +346,12 @@
def test_ref_list(self):
mop = self.moc.add(1234567, 'type', 256, ref_list=[1, 2, 3])
self.assertEqual(3, len(mop))
+ self.assertEqual(3, mop.num_refs)
self.assertEqual([1, 2, 3], mop.ref_list)
mop.ref_list = [87654321, 23456]
self.assertEqual([87654321, 23456], mop.ref_list)
self.assertEqual(2, len(mop))
+ self.assertEqual(2, mop.num_refs)
def test__getitem__(self):
mop = self.moc.add(1234567, 'type', 256, ref_list=[0, 255])
@@ -375,9 +377,13 @@
mop = self.moc.add(1234567, 'type', 256, ref_list=[0, 255])
mop0 = self.moc[0]
self.assertEqual((), mop0.referrers)
+ self.assertEqual(0, mop0.num_referrers)
mop255 = self.moc[255]
self.assertEqual((), mop255.referrers)
+ self.assertEqual(0, mop255.num_referrers)
mop0.referrers = [1234567]
+ self.assertEqual(1, mop0.num_referrers)
self.assertEqual([1234567], mop0.referrers)
mop255.referrers = [1234567]
+ self.assertEqual(1, mop255.num_referrers)
self.assertEqual([1234567], mop255.referrers)
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