Author: Armin Rigo <[email protected]>
Branch:
Changeset: r66255:ee2311d4ba26
Date: 2013-08-20 14:15 +0200
http://bitbucket.org/pypy/pypy/changeset/ee2311d4ba26/
Log: Test and fix: 'object' has an empty __init__ which we should not
copy.
diff --git a/pypy/interpreter/buffer.py b/pypy/interpreter/buffer.py
--- a/pypy/interpreter/buffer.py
+++ b/pypy/interpreter/buffer.py
@@ -19,7 +19,7 @@
from pypy.interpreter.typedef import TypeDef
from pypy.interpreter.gateway import interp2app, unwrap_spec
from pypy.interpreter.error import OperationError
-from rpython.rlib.objectmodel import compute_hash
+from rpython.rlib.objectmodel import compute_hash, import_from_mixin
from rpython.rlib.rstring import StringBuilder
@@ -272,8 +272,6 @@
# ____________________________________________________________
class SubBufferMixin(object):
- _mixin_ = True
-
def __init__(self, buffer, offset, size):
self.buffer = buffer
self.offset = offset
@@ -297,10 +295,11 @@
# out of bounds
return self.buffer.getslice(self.offset + start, self.offset + stop,
step, size)
-class SubBuffer(SubBufferMixin, Buffer):
- pass
+class SubBuffer(Buffer):
+ import_from_mixin(SubBufferMixin)
-class RWSubBuffer(SubBufferMixin, RWBuffer):
+class RWSubBuffer(RWBuffer):
+ import_from_mixin(SubBufferMixin)
def setitem(self, index, char):
self.buffer.setitem(self.offset + index, char)
diff --git a/pypy/objspace/descroperation.py b/pypy/objspace/descroperation.py
--- a/pypy/objspace/descroperation.py
+++ b/pypy/objspace/descroperation.py
@@ -121,7 +121,7 @@
greens=['w_type'], reds='auto')
class DescrOperation(object):
- _mixin_ = True
+ # This is meant to be a *mixin*.
def is_data_descr(space, w_obj):
return space.lookup(w_obj, '__set__') is not None
diff --git a/pypy/objspace/std/objspace.py b/pypy/objspace/std/objspace.py
--- a/pypy/objspace/std/objspace.py
+++ b/pypy/objspace/std/objspace.py
@@ -10,7 +10,7 @@
from rpython.rlib.objectmodel import instantiate, specialize,
is_annotation_constant
from rpython.rlib.debug import make_sure_not_resized
from rpython.rlib.rarithmetic import base_int, widen, is_valid_int
-from rpython.rlib.objectmodel import we_are_translated
+from rpython.rlib.objectmodel import we_are_translated, import_from_mixin
from rpython.rlib import jit
# Object imports
@@ -37,9 +37,10 @@
from pypy.objspace.std.stringtype import wrapstr
from pypy.objspace.std.unicodetype import wrapunicode
-class StdObjSpace(ObjSpace, DescrOperation):
+class StdObjSpace(ObjSpace):
"""The standard object space, implementing a general-purpose object
library in Restricted Python."""
+ import_from_mixin(DescrOperation)
def initialize(self):
"NOT_RPYTHON: only for initializing the space."
diff --git a/rpython/rlib/objectmodel.py b/rpython/rlib/objectmodel.py
--- a/rpython/rlib/objectmodel.py
+++ b/rpython/rlib/objectmodel.py
@@ -737,6 +737,8 @@
"""
flatten = {}
for base in inspect.getmro(M):
+ if base is object:
+ continue
for key, value in base.__dict__.items():
if key.startswith('__') and key.endswith('__'):
if key not in special_methods:
diff --git a/rpython/rlib/test/test_objectmodel.py
b/rpython/rlib/test/test_objectmodel.py
--- a/rpython/rlib/test/test_objectmodel.py
+++ b/rpython/rlib/test/test_objectmodel.py
@@ -612,3 +612,12 @@
import_from_mixin(M, special_methods=['__str__'])
assert str(A()).startswith('<')
assert str(B()) == "m!"
+
+ class M(object):
+ pass
+ class A(object):
+ def __init__(self):
+ self.foo = 42
+ class B(A):
+ import_from_mixin(M)
+ assert B().foo == 42
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