Decouple QofBook creation from QofSession.

So that we don't create two books when loading a session.
Step 1 to not having a dirty book when we think we should have no
book at all.

bindings/engine.i

@@ -181,7 +181,7 @@ functions. */
 %include <policy.h>
 %include <gnc-pricedb.h>
 
-QofSession * qof_session_new (void);
+QofSession * qof_session_new (QofBook* book);
 QofBook * qof_session_get_book (QofSession *session);
 // TODO: Unroll/remove
 const char *qof_session_get_url (QofSession *session);
@@ -271,6 +271,7 @@ Account * gnc_book_get_template_root(QofBook *book);
 %typemap(out) KvpValue * " $result = gnc_kvp_value_ptr_to_scm($1); "
 %typemap(in) GSList *key_path " $1 = gnc_scm_to_gslist_string($input);"
 
+QofBook* qof_book_new (void);
 void qof_book_options_delete (QofBook *book, GSList *key_path);
 void qof_book_set_option (QofBook *book, KvpValue *new_value, GSList *key_path);
 KvpValue* qof_book_get_option (QofBook *book, GSList *key_path);

bindings/guile/test/test-create-account.scm

@@ -25,8 +25,7 @@
 (define (run-test)
   (setenv "GNC_UNINSTALLED" "1")
 
-  (let* ((session (qof-session-new))
-         (book (qof-session-get-book session))
+  (let* ((book (qof-book-new))
          (root (xaccMallocAccount book))
          (acct (xaccMallocAccount book)))
     (xaccAccountBeginEdit acct)

bindings/python/gnucash_core.i

@@ -224,4 +224,5 @@ char * no_args[1] = { NULL };
 gnc_engine_init(0, no_args);
 gnc_prefs_init();
 %}
-
+//We must explicitly declare this or it gets left out and we can't create books.
+QofBook* qof_book_new (void);

bindings/python/gnucash_core.py

@@ -103,7 +103,7 @@ class Session(GnuCashCoreClass):
         you don't need to cleanup and call end() and destroy(), that is handled
         for you, and the exception is raised.
         """
-        GnuCashCoreClass.__init__(self, instance=instance)
+        GnuCashCoreClass.__init__(self, Book())
         if book_uri is not None:
             try:
                 self.begin(book_uri, ignore_lock, is_new, force_new)

bindings/python/sqlite3test.c

@@ -24,12 +24,15 @@
 int main()
 {
     const char* testurl = "sqlite3://" TESTFILE;
+    char * no_args[1] = { NULL };
+    QofSession* s = NULL;
+    
     qof_log_init();
     qof_init();
     char * no_args[1] = { NULL };
     gnc_engine_init(0, no_args);
 
-    QofSession * s = qof_session_new();
+    s = qof_session_new(NULL);
     qof_session_begin(s, testurl, 0, 1, 0);
     qof_session_load(s, NULL);
     qof_session_save(s, NULL);