Pull in Acquisition from the standalone package

lib/python/Acquisition/Acquisition.h

-/*****************************************************************************
-
-  Copyright (c) 1996-2002 Zope Corporation and Contributors.
-  All Rights Reserved.
-
-  This software is subject to the provisions of the Zope Public License,
-  Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
-  THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
-  WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-  WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
-  FOR A PARTICULAR PURPOSE
-
- ****************************************************************************/
-
-#ifndef __ACQUISITION_H_
-#define __ACQUISITION_H_
-
-typedef struct {
-	PyObject *(*AQ_Acquire) (PyObject *obj, PyObject *name, PyObject *filter,
-		PyObject *extra, int explicit, PyObject *deflt,
-		int containment);
-	PyObject *(*AQ_Get) (PyObject *obj, PyObject *name, PyObject *deflt,
-		int containment);
-	int (*AQ_IsWrapper) (PyObject *obj);
-	PyObject *(*AQ_Base) (PyObject *obj);
-	PyObject *(*AQ_Parent) (PyObject *obj);
-	PyObject *(*AQ_Self) (PyObject *obj);
-	PyObject *(*AQ_Inner) (PyObject *obj);
-	PyObject *(*AQ_Chain) (PyObject *obj, int containment);
-} ACQUISITIONCAPI;
-
-#ifndef _IN_ACQUISITION_C
-
-#define aq_Acquire(obj, name, filter, extra, explicit, deflt, containment ) (AcquisitionCAPI == NULL ? NULL : (AcquisitionCAPI->AQ_Acquire(obj, name, filter, extra, explicit, deflt, containment)))
-#define aq_acquire(obj, name) (AcquisitionCAPI == NULL ? NULL : (AcquisitionCAPI->AQ_Acquire(obj, name, NULL, NULL, 1, NULL, 0)))
-#define aq_get(obj, name, deflt, containment) (AcquistionCAPI == NULL ? NULL : (AcquisitionCAPI->AQ_Get(obj, name, deflt, containment)))
-#define aq_isWrapper(obj)   (AcquisitionCAPI == NULL ? -1 : (AcquisitionCAPI->AQ_IsWrapper(obj)))
-#define aq_base(obj)   (AcquisitionCAPI == NULL ? NULL : (AcquisitionCAPI->AQ_Base(obj)))
-#define aq_parent(obj) (AcquisitionCAPI == NULL ? NULL : (AcquisitionCAPI->AQ_Parent(obj)))
-#define aq_self(obj)   (AcquisitionCAPI == NULL ? NULL : (AcquisitionCAPI->AQ_Self(obj)))
-#define aq_inner(obj)  (AcquisitionCAPI == NULL ? NULL : (AcquisitionCAPI->AQ_Inner(obj)))
-#define aq_chain(obj, containment) (AcquisitionCAPI == NULL ? NULL : (AcquisitionCAPI->AQ_CHain(obj, containment)))
-
-static ACQUISITIONCAPI *AcquisitionCAPI = NULL;
-
-#define aq_init() { \
-    PyObject *module; \
-    PyObject *api; \
-    if (! (module = PyImport_ImportModule("Acquisition"))) return; \
-    if (! (api = PyObject_GetAttrString(module,"AcquisitionCAPI"))) return; \
-    Py_DECREF(module); \
-    AcquisitionCAPI = PyCObject_AsVoidPtr(api); \
-    Py_DECREF(api); \
-}
-
-
-
-#endif
-
-#endif

lib/python/Acquisition/__init__.py

-from zope.interface import classImplements
-
-from _Acquisition import *
-from interfaces import IAcquirer
-from interfaces import IAcquisitionWrapper
-
-classImplements(Explicit, IAcquirer)
-classImplements(ExplicitAcquisitionWrapper, IAcquisitionWrapper)
-classImplements(Implicit, IAcquirer)
-classImplements(ImplicitAcquisitionWrapper, IAcquisitionWrapper)

lib/python/Acquisition/interfaces.py

-##############################################################################
-#
-# Copyright (c) 2005 Zope Corporation and Contributors. All Rights Reserved.
-#
-# This software is subject to the provisions of the Zope Public License,
-# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
-# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
-# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
-# FOR A PARTICULAR PURPOSE.
-#
-##############################################################################
-"""Acquisition z3 interfaces.
-
-$Id$
-"""
-
-from zope.interface import Attribute
-from zope.interface import Interface
-
-
-class IAcquirer(Interface):
-
-    """Acquire attributes from containers.
-    """
-
-    def __of__(context):
-        """Get the object in a context.
-        """
-
-
-class IAcquisitionWrapper(Interface):
-
-    """Wrapper object for acquisition.
-    """
-
-    def aq_acquire(name, filter=None, extra=None, explicit=True, default=0,
-                   containment=0):
-        """Get an attribute, acquiring it if necessary.
-        """
-
-    def aq_inContextOf(obj, inner=1):
-        """Test whether the object is currently in the context of the argument.
-        """
-
-    aq_base = Attribute(
-        """Get the object unwrapped."""
-        )
-
-    aq_parent = Attribute(
-        """Get the parent of an object."""
-        )
-
-    aq_self = Attribute(
-        """Get the object with the outermost wrapper removed."""
-        )
-
-    aq_inner = Attribute(
-        """Get the object with all but the innermost wrapper removed."""
-        )
-
-    aq_chain = Attribute(
-        """Get a list of objects in the acquisition environment."""
-        )