Made persistence optional.

src/BTrees/BTreeModuleTemplate.c

@@ -85,9 +85,10 @@
 
 static char BTree_module_documentation[] = 
 ""
-"\n$Id: BTreeModuleTemplate.c,v 1.1 2001/02/19 00:09:45 jim Exp $"
+"\n$Id: BTreeModuleTemplate.c,v 1.2 2001/02/19 00:38:41 jim Exp $"
 ;
 
+#ifdef PERSISTENT
 #include "cPersistence.h"
 
 /***************************************************************
@@ -100,9 +101,17 @@ static char BTree_module_documentation[] =
  ? (((O)->state==cPersistent_UPTODATE_STATE) \
     ? ((O)->state=cPersistent_STICKY_STATE) : 1) : 0)
 
-#define Ghost_Test(O) ((O)->state == cPersistent_GHOST_STATE)
 #endif
 /***************************************************************/
+#else
+#include "ExtensionClass.h"
+#define PER_USE_OR_RETURN(self, NULL)
+#define PER_ALLOW_DEACTIVATION(self)
+#define PER_PREVENT_DEACTIVATION(self)
+#define PER_DEL(self)
+#define PER_USE(O) 1
+#define PER_CHANGED(O) 0
+#endif
 
 PyObject *sort_str, *reverse_str;
 
@@ -126,7 +135,11 @@ typedef struct BTreeItemStruct {
 } BTreeItem;
 
 typedef struct Bucket_s {
+#ifdef PERSISTENT
   cPersistent_HEAD
+#else
+  PyObject_HEAD
+#endif
   int size, len;
   struct Bucket_s *next;
   KEY_TYPE *keys;
@@ -140,7 +153,11 @@ static void PyVar_AssignB(Bucket **v, Bucket *e) { Py_XDECREF(*v); *v=e;}
 #define ASSIGNBC(V,E) (Py_INCREF((E)), PyVar_AssignB(&(V),(E)))
 
 typedef struct {
+#ifdef PERSISTENT
   cPersistent_HEAD
+#else
+  PyObject_HEAD
+#endif
   int size, len;
   Bucket *firstbucket;
   BTreeItem *data;
@@ -311,6 +328,7 @@ INITMODULE ()
   UNLESS (PyExtensionClassCAPI=PyCObject_Import("ExtensionClass","CAPI"))
       return;
 
+#ifdef PERSISTENT
   if (cPersistenceCAPI=PyCObject_Import("cPersistence","CAPI"))
     {
 	BucketType.methods.link=cPersistenceCAPI->methods;
@@ -330,6 +348,12 @@ INITMODULE ()
 	TreeSetType.tp_setattro=cPersistenceCAPI->setattro;
     }
   else return;
+#else
+  BTreeType.tp_getattro=PyExtensionClassCAPI->getattro;
+  BucketType.tp_getattro=PyExtensionClassCAPI->getattro;
+  SetType.tp_getattro=PyExtensionClassCAPI->getattro;
+  TreeSetType.tp_getattro=PyExtensionClassCAPI->getattro;
+#endif
 
   BTreeItemsType.ob_type=&PyType_Type;
 
@@ -342,7 +366,7 @@ INITMODULE ()
   d = PyModule_GetDict(m);
 
   PyDict_SetItemString(d, "__version__",
-		       PyString_FromString("$Revision: 1.1 $"));
+		       PyString_FromString("$Revision: 1.2 $"));
 
   PyExtensionClass_Export(d,PREFIX "Bucket", BucketType);
   PyExtensionClass_Export(d,PREFIX "BTree", BTreeType);

src/BTrees/BTreeTemplate.c

@@ -555,17 +555,7 @@ _BTree_clear(BTree *self)
   return 0;
 }
 
-/*
-** BTree__p_deactivate
-**
-** Persistance machinery support to turn the object into a ghost
-**
-** Arguments:	self	The BTree
-**		args	(unused)
-**
-** Returns:	None 	on success
-**		NULL	on failure
-*/
+#ifdef PERSISTENT
 static PyObject *
 BTree__p_deactivate(BTree *self, PyObject *args)
 {
@@ -578,6 +568,7 @@ BTree__p_deactivate(BTree *self, PyObject *args)
   Py_INCREF(Py_None);
   return Py_None;
 }
+#endif
 
 /*
 ** BTree_clear
@@ -1111,8 +1102,10 @@ static struct PyMethodDef BTree_methods[] = {
    "insert(key, value) -- Add an item if the key is not already used.\n\n"
    "Return 1 if the item was added, or 0 otherwise"
   },
+#ifdef PERSISTENT
   {"_p_deactivate", (PyCFunction) BTree__p_deactivate,	METH_VARARGS,
    "_p_deactivate() -- Reinitialize from a newly created copy"},
+#endif
   {NULL,		NULL}		/* sentinel */
 };
 
@@ -1215,6 +1208,9 @@ static PyExtensionClass BTreeType = {
   0L,0L,
   "Mapping type implemented as sorted list of items", 
   METHOD_CHAIN(BTree_methods),
-  EXTENSIONCLASS_BASICNEW_FLAG | PERSISTENT_TYPE_FLAG 
+  EXTENSIONCLASS_BASICNEW_FLAG 
+#ifdef PERSISTENT
+  | PERSISTENT_TYPE_FLAG 
+#endif
   | EXTENSIONCLASS_NOINSTDICT_FLAG,
 };

src/BTrees/BucketTemplate.c

@@ -726,17 +726,7 @@ bucket_byValue(Bucket *self, PyObject *args)
   return NULL;
 }
 
-/*
-** bucket__p_deactivate
-**
-** Reinitialization function for persistence machinery; turns this
-** bucket into a ghost (releases contained data)
-**
-** Arguments:	self	The Bucket
-**		args	(unused)
-**
-** Returns:	None
-*/
+#ifdef PERSISTENT
 static PyObject *
 bucket__p_deactivate(Bucket *self, PyObject *args)
 {
@@ -757,6 +747,7 @@ bucket__p_deactivate(Bucket *self, PyObject *args)
   Py_INCREF(Py_None);
   return Py_None;
 }
+#endif
 
 /*
 ** bucket_clear
@@ -980,8 +971,10 @@ static struct PyMethodDef Bucket_methods[] = {
    "get(key[,default]) -- Look up a value\n\n"
    "Return the default (or None) if the key is not found."
   },
+#ifdef PERSISTENT
   {"_p_deactivate", (PyCFunction) bucket__p_deactivate, METH_VARARGS,
    "_p_deactivate() -- Reinitialize from a newly created copy"},
+#endif
   {NULL,		NULL}		/* sentinel */
 };
 
@@ -1065,7 +1058,10 @@ static PyExtensionClass BucketType = {
   0L,0L,
   "Mapping type implemented as sorted list of items", 
   METHOD_CHAIN(Bucket_methods),
-  EXTENSIONCLASS_BASICNEW_FLAG | PERSISTENT_TYPE_FLAG 
+  EXTENSIONCLASS_BASICNEW_FLAG
+#ifdef PERSISTENT
+  | PERSISTENT_TYPE_FLAG 
+#endif
   | EXTENSIONCLASS_NOINSTDICT_FLAG,
 };
 

src/BTrees/IIBTree.c

 /* Setup template macros */
 
+#define PERSISTENT
+
 #define PREFIX "II"
 #define INITMODULE initIIBTree
 #define DEFAULT_MAX_BUCKET_SIZE 100

src/BTrees/IOBTree.c

+
+#define PERSISTENT
+
 #define PREFIX "IO"
 #define DEFAULT_MAX_BUCKET_SIZE 32
 #define INITMODULE initIOBTree

src/BTrees/OIBTree.c

+
+#define PERSISTENT
+
 #define PREFIX "OI"
 #define INITMODULE initOIBTree
 #define DEFAULT_MAX_BUCKET_SIZE 64

src/BTrees/OOBTree.c

+
+#define PERSISTENT
+
 #define PREFIX "OO"
 #define INITMODULE initOOBTree
 #define DEFAULT_MAX_BUCKET_SIZE 32

src/BTrees/SetTemplate.c

@@ -215,9 +215,10 @@ static struct PyMethodDef Set_methods[] = {
   {"minKey", (PyCFunction) Bucket_minKey,	METH_VARARGS,
    "minKey([key]) -- Fine the minimum key\n\n"
    "If an argument is given, find the minimum >= the argument"},
+#ifdef PERSISTENT
   {"_p_deactivate", (PyCFunction) bucket__p_deactivate, METH_VARARGS,
    "_p_deactivate() -- Reinitialize from a newly created copy"},
-
+#endif
   {"insert",	(PyCFunction)Set_insert,	METH_VARARGS,
    "insert(id,[ignored]) -- Add a key to the set"},
   {"remove",	(PyCFunction)Set_remove,	METH_VARARGS,
@@ -311,7 +312,10 @@ static PyExtensionClass SetType = {
   0L,0L,
   "Set implemented as sorted keys", 
   METHOD_CHAIN(Set_methods),
-  EXTENSIONCLASS_BASICNEW_FLAG | PERSISTENT_TYPE_FLAG 
+  EXTENSIONCLASS_BASICNEW_FLAG 
+#ifdef PERSISTENT
+  | PERSISTENT_TYPE_FLAG 
+#endif
   | EXTENSIONCLASS_NOINSTDICT_FLAG,
 };
 

src/BTrees/TreeSetTemplate.c

@@ -126,8 +126,10 @@ static struct PyMethodDef TreeSet_methods[] = {
    "insert(id,[ignored]) -- Add an id to the set"},
   {"remove",	(PyCFunction)TreeSet_remove,	METH_VARARGS,
    "remove(id) -- Remove a key from the set"},
+#ifdef PERSISTENT
   {"_p_deactivate", (PyCFunction) BTree__p_deactivate,	METH_VARARGS,
    "_p_deactivate() -- Reinitialize from a newly created copy"},
+#endif
   {NULL,		NULL}		/* sentinel */
 };
 
@@ -157,6 +159,9 @@ static PyExtensionClass TreeSetType = {
   0L,0L,
   "Set implemented as sorted tree of items", 
   METHOD_CHAIN(TreeSet_methods),
-  EXTENSIONCLASS_BASICNEW_FLAG | PERSISTENT_TYPE_FLAG 
+  EXTENSIONCLASS_BASICNEW_FLAG 
+#ifdef PERSISTENT
+  | PERSISTENT_TYPE_FLAG 
+#endif
   | EXTENSIONCLASS_NOINSTDICT_FLAG,
 };