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authorGregory P. Smith <greg@mad-scientist.com>2006-04-08 07:10:51 (GMT)
committerGregory P. Smith <greg@mad-scientist.com>2006-04-08 07:10:51 (GMT)
commit7f5b6f4b33195ce9848bf396bbb52dab8d524587 (patch)
tree1b4a29794ce9dfc7eb52f3daf26c45e0efd81a3f /Modules
parent795246cf9937f088f8d98253f38da4a093c08300 (diff)
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Fix bsddb.db.DBError derived exceptions so they can be unpickled.
Also adds some backwards compatibility when compiling _bsddb.c on earlier python versions (needed for pybsddb).
Diffstat (limited to 'Modules')
-rw-r--r--Modules/_bsddb.c28
1 files changed, 22 insertions, 6 deletions
diff --git a/Modules/_bsddb.c b/Modules/_bsddb.c
index 9d0893e..7772046 100644
--- a/Modules/_bsddb.c
+++ b/Modules/_bsddb.c
@@ -101,6 +101,10 @@
static char *rcs_id = "$Id$";
+#if (PY_VERSION_HEX < 0x02050000)
+#define Py_ssize_t int
+#endif
+
#ifdef WITH_THREAD
/* These are for when calling Python --> C */
@@ -4688,7 +4692,11 @@ static PyMethodDef DB_methods[] = {
static PyMappingMethods DB_mapping = {
+#if (PY_VERSION_HEX < 0x02050000)
+ (inquiry)DB_length, /*mp_length*/
+#else
(lenfunc)DB_length, /*mp_length*/
+#endif
(binaryfunc)DB_subscript, /*mp_subscript*/
(objobjargproc)DB_ass_sub, /*mp_ass_subscript*/
};
@@ -5385,9 +5393,21 @@ DL_EXPORT(void) init_bsddb(void)
ADD_INT(d, DB_SET_TXN_TIMEOUT);
#endif
+ /* The exception name must be correct for pickled exception *
+ * objects to unpickle properly. */
+#ifdef PYBSDDB_STANDALONE /* different value needed for standalone pybsddb */
+#define PYBSDDB_EXCEPTION_BASE "bsddb3.db."
+#else
+#define PYBSDDB_EXCEPTION_BASE "bsddb.db."
+#endif
+
+ /* All the rest of the exceptions derive only from DBError */
+#define MAKE_EX(name) name = PyErr_NewException(PYBSDDB_EXCEPTION_BASE #name, DBError, NULL); \
+ PyDict_SetItemString(d, #name, name)
+
/* The base exception class is DBError */
- DBError = PyErr_NewException("bsddb._db.DBError", NULL, NULL);
- PyDict_SetItemString(d, "DBError", DBError);
+ DBError = NULL; /* used in MAKE_EX so that it derives from nothing */
+ MAKE_EX(DBError);
/* Some magic to make DBNotFoundError and DBKeyEmptyError derive
* from both DBError and KeyError, since the API only supports
@@ -5401,10 +5421,6 @@ DL_EXPORT(void) init_bsddb(void)
PyDict_DelItemString(d, "KeyError");
- /* All the rest of the exceptions derive only from DBError */
-#define MAKE_EX(name) name = PyErr_NewException("bsddb._db." #name, DBError, NULL); \
- PyDict_SetItemString(d, #name, name)
-
#if !INCOMPLETE_IS_WARNING
MAKE_EX(DBIncompleteError);
#endif