Author: Armin Rigo <[email protected]>
Branch:
Changeset: r66258:75e2865eba64
Date: 2013-08-20 14:24 +0200
http://bitbucket.org/pypy/pypy/changeset/75e2865eba64/
Log: Example of a simple case for import_from_mixin().
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)
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