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[rhythmbox/gobject-introspection: 6/34] remove pygtk and static bindings, load gi at runtime

commit 6ab772050572a08e338511e439d542358efdf4ac
Author: Jonathan Matthew <jonathan d14n org>
Date:   Thu Jul 8 14:14:44 2010 +1000

    remove pygtk and static bindings, load gi at runtime

 bindings/Makefile.am     |    4 --
 configure.ac             |   20 ++-----
 shell/Makefile.am        |   16 +++---
 shell/main.c             |    1 -
 shell/rb-python-module.c |  132 ++++++++++------------------------------------
 shell/rb-python-plugin.c |   39 +++++++-------
 6 files changed, 63 insertions(+), 149 deletions(-)
---
diff --git a/bindings/Makefile.am b/bindings/Makefile.am
index 322fb92..da5fc80 100644
--- a/bindings/Makefile.am
+++ b/bindings/Makefile.am
@@ -1,9 +1,5 @@
 SUBDIRS = 
 
-if ENABLE_PYTHON
-SUBDIRS += python
-endif
-
 if ENABLE_VALA
 SUBDIRS += vala
 endif
diff --git a/configure.ac b/configure.ac
index c207827..24ace4f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -679,34 +679,27 @@ if test "x$have_python" != "xno"; then
 	AC_SUBST([PYTHON_CFLAGS])
 	AC_SUBST([PYTHON_EXTRA_LIBS])
 
-	PYGTK_REQUIRED=2.8.0
 	GST_PYTHON_REQUIRED=0.10.1
-
-	PKG_CHECK_MODULES([PYGTK], [
-		pygtk-2.0 >= $PYGTK_REQUIRED] \
+	PKG_CHECK_MODULES([PYGOBJECT], [
 		gst-python-0.10 >= $GST_PYTHON_REQUIRED
-		pygobject-2.0 >= $PYGOBJECT_REQUIRED,
+		pygobject-2.0 >= $PYGOBJECT_REQUIRED],
 		[],
 		[
 		have_python=no
 		if test "x$enable_python" = "xyes"; then
-			AC_MSG_ERROR([$PYGTK_PKG_ERRORS])
+			AC_MSG_ERROR([$PYGOBJECT_PKG_ERRORS])
 		elif test "x$enable_python" = "xautodetect"; then
 			enable_python=no
-			AC_MSG_WARN([$PYGTK_PKG_ERRORS])
+			AC_MSG_WARN([$PYGOBJECT_PKG_ERRORS])
 			AC_MSG_WARN([Disabling python support])
 		fi
 		])
 
-	AC_SUBST([PYGTK_CFLAGS])
-	AC_SUBST([PYGTK_LIBS])
+	AC_SUBST([PYGOBJECT_CFLAGS])
+	AC_SUBST([PYGOBJECT_LIBS])
 fi
 
 if test "x$have_python" != "xno"; then
-	AC_MSG_CHECKING([for pygtk defs])
-	PYGTK_DEFSDIR=`$PKG_CONFIG --variable=defsdir pygtk-2.0`
-	AC_MSG_RESULT([$PYGTK_DEFSDIR])
-
 	AC_MSG_CHECKING([for gst-python defs])
 	GST_PYTHON_DEFSDIR=`$PKG_CONFIG --variable=defsdir gst-python-0.10`
 	AC_MSG_RESULT([$GST_PYTHON_DEFSDIR])
@@ -719,7 +712,6 @@ if test "x$have_python" != "xno"; then
 	PYGOBJECT_H2DEF="$PYTHON `$PKG_CONFIG --variable=codegendir pygobject-2.0`/h2def.py"
 	AC_MSG_RESULT([$PYGOBJECT_H2DEF])
 
-	AC_SUBST([PYGTK_DEFSDIR])
 	AC_SUBST([GST_PYTHON_DEFSDIR])
 	AC_SUBST([PYGOBJECT_CODEGEN])
 	AC_SUBST([PYGOBJECT_H2DEF])
diff --git a/shell/Makefile.am b/shell/Makefile.am
index 6a0aa81..86afe13 100644
--- a/shell/Makefile.am
+++ b/shell/Makefile.am
@@ -139,9 +139,9 @@ librhythmbox_core_la_SOURCES +=				\
 	rb-python-plugin.h				\
 	rb-python-plugin.c
 
-INCLUDES += $(PYGTK_CFLAGS)  $(PYTHON_CFLAGS)
+INCLUDES += $(PYGOBJECT_CFLAGS) $(PYTHON_CFLAGS)
 
-librhythmbox_core_la_LIBADD += $(PYTHON_LIBS) $(top_builddir)/bindings/python/rb.la
+librhythmbox_core_la_LIBADD += $(PYTHON_LIBS)
 endif
 
 rb-shell-glue.h: rb-shell.xml Makefile
@@ -282,12 +282,12 @@ introspection_sources = \
 		widgets/rb-uri-dialog.h \
 		widgets/rb-uri-dialog.c
 
-Rhythmbox-0.12.gir: librhythmbox-core.la
-Rhythmbox_0_12_gir_INCLUDES = GObject-2.0 Gio-2.0 Gtk-2.0 Gst-0.10 libxml2-2.0
-Rhythmbox_0_12_gir_CFLAGS = $(RHYTHMBOX_CFLAGS_NOWARN) $(TOTEM_PLPARSER_CFLAGS) $(DBUS_CFLAGS) $(GUDEV_CFLAGS) -I..
-Rhythmbox_0_12_gir_LIBS = librhythmbox-core.la
-Rhythmbox_0_12_gir_FILES = $(addprefix $(top_srcdir)/,$(introspection_sources))
-INTROSPECTION_GIRS += Rhythmbox-0.12.gir
+Rhythmbox-0.13.gir: librhythmbox-core.la
+Rhythmbox_0_13_gir_INCLUDES = GObject-2.0 Gio-2.0 Gtk-2.0 Gst-0.10 libxml2-2.0
+Rhythmbox_0_13_gir_CFLAGS = $(RHYTHMBOX_CFLAGS_NOWARN) $(TOTEM_PLPARSER_CFLAGS) $(DBUS_CFLAGS) $(GUDEV_CFLAGS) -I..
+Rhythmbox_0_13_gir_LIBS = librhythmbox-core.la
+Rhythmbox_0_13_gir_FILES = $(addprefix $(top_srcdir)/,$(introspection_sources))
+INTROSPECTION_GIRS += Rhythmbox-0.13.gir
 
 girdir = $(datadir)/gir-1.0
 dist_gir_DATA = $(INTROSPECTION_GIRS)
diff --git a/shell/main.c b/shell/main.c
index 215141d..595fc50 100644
--- a/shell/main.c
+++ b/shell/main.c
@@ -33,7 +33,6 @@
 /* pyconfig.h usually defines _XOPEN_SOURCE */
 #undef _XOPEN_SOURCE
 #define NO_IMPORT_PYGOBJECT
-#define NO_IMPORT_PYGTK
 #include <pygobject.h>
 #include "rb-python-module.h"
 
diff --git a/shell/rb-python-module.c b/shell/rb-python-module.c
index 1995a42..1349d5c 100644
--- a/shell/rb-python-module.c
+++ b/shell/rb-python-module.c
@@ -35,7 +35,6 @@
 #endif
 
 #include <pygobject.h>
-#include <pygtk/pygtk.h>
 
 #include <signal.h>
 
@@ -71,36 +70,19 @@ enum
 	PROP_MODULE
 };
 
-/* Exported by pyrhythmdb module */
-void pyrhythmdb_register_classes (PyObject *d);
-void pyrhythmdb_add_constants (PyObject *module, const gchar *strip_prefix);
-extern PyMethodDef pyrhythmdb_functions[];
-
-/* Exported by pyrb module */
-void pyrb_register_classes (PyObject *d);
-void pyrb_add_constants (PyObject *module, const gchar *strip_prefix);
-extern PyMethodDef pyrb_functions[];
-
-/* We retreive this to check for correct class hierarchy */
-static PyTypeObject *PyRBPlugin_Type;
-
 static gboolean python_init_successful;
 
 G_DEFINE_TYPE (RBPythonModule, rb_python_module, G_TYPE_TYPE_MODULE);
 
-static void
-actually_init_pygtk (void)
-{
-	init_pygtk ();
-}
-
 void
 rb_python_module_init_python (void)
 {
-	PyObject *pygtk, *mdict, *require;
-	PyObject *rb, *rhythmdb, *gtk, *pygtk_version, *pygtk_required_version;
+	PyObject *mdict;
 	PyObject *gettext, *install, *gettext_args;
 	PyObject *sys_path;
+	PyObject *pygtk;
+	PyObject *require;
+	PyObject *gi;
 	struct sigaction old_sigint;
 	gint res;
 	char *argv[] = { "rb", "rhythmdb", NULL };
@@ -166,48 +148,8 @@ rb_python_module_init_python (void)
 	/* disable pyg* log hooks, since ours is more interesting */
 	pyg_disable_warning_redirections ();
 
-	/* import gtk */
-	actually_init_pygtk ();
-	if (PyErr_Occurred ()) {
-		g_warning ("Could not initialize pygtk");
-		PyErr_Print();
-		return;
-	}
-
 	pyg_enable_threads ();
 
-	gtk = PyImport_ImportModule ("gtk");
-	if (gtk == NULL) {
-		g_warning ("Could not import gtk");
-		PyErr_Print();
-		return;
-	}
-
-	mdict = PyModule_GetDict (gtk);
-	pygtk_version = PyDict_GetItemString (mdict, "pygtk_version");
-	pygtk_required_version = Py_BuildValue ("(iii)", 2, 8, 0);
-	if (PyObject_Compare (pygtk_version, pygtk_required_version) == -1) {
-		g_warning("PyGTK %s required, but %s found.",
-				  PyString_AsString (PyObject_Repr (pygtk_required_version)),
-				  PyString_AsString (PyObject_Repr (pygtk_version)));
-		Py_DECREF (pygtk_required_version);
-		return;
-	}
-	Py_DECREF (pygtk_required_version);
-
-	/* import rhythmdb */
-	rhythmdb = Py_InitModule ("rhythmdb", pyrhythmdb_functions);
-	mdict = PyModule_GetDict (rhythmdb);
-
-	pyrhythmdb_register_classes (mdict);
-	if (PyErr_Occurred ()) {
-		g_warning ("unable to register rhythmdb classes");
-		PyErr_Print();
-		return;
-	}
-
-	pyrhythmdb_add_constants (rhythmdb, "RHYTHMDB_");
-
 	/* import rb */
 	paths = rb_get_plugin_paths ();
 	sys_path = PySys_GetObject ("path");
@@ -223,46 +165,13 @@ rb_python_module_init_python (void)
 		paths = g_list_delete_link (paths, paths);
 	}
 
-	rb = PyImport_ImportModule ("rb");
-
-	if (rb == NULL) {
-		g_warning ("could not import python module 'rb'");
-		PyErr_Print ();
-		return;
-	}
-
-	/* add pyrb_functions */
-	for (res = 0; pyrb_functions[res].ml_name != NULL; res++) {
-		PyObject *func;
-
-		func = PyCFunction_New (&pyrb_functions[res], rb);
-		if (func == NULL) {
-			g_warning ("unable to create object for function '%s'", pyrb_functions[res].ml_name);
-			PyErr_Print ();
-			return;
-		}
-		if (PyModule_AddObject (rb, pyrb_functions[res].ml_name, func) < 0) {
-			g_warning ("unable to insert function '%s' in 'rb' module", pyrb_functions[res].ml_name);
-			PyErr_Print ();
-			return;
-		}
-	}
-	mdict = PyModule_GetDict (rb);
-
-	pyrb_register_classes (mdict);
-	if (PyErr_Occurred ()) {
-		g_warning ("unable to register rb classes");
+	/* import gi */
+	gi = PyImport_ImportModule ("gi");
+	if (gi == NULL) {
+		g_warning ("Could not import gi");
 		PyErr_Print();
 		return;
 	}
-	pyrb_add_constants (rb, "RB_");
-
-	/* Retreive the Python type for rb.Plugin */
-	PyRBPlugin_Type = (PyTypeObject *) PyDict_GetItemString (mdict, "Plugin");
-	if (PyRBPlugin_Type == NULL) {
-		PyErr_Print ();
-		return;
-	}
 
 	/* i18n support */
 	gettext = PyImport_ImportModule ("gettext");
@@ -287,6 +196,7 @@ rb_python_module_load (GTypeModule *gmodule)
 	RBPythonModulePrivate *priv = RB_PYTHON_MODULE_GET_PRIVATE (gmodule);
 	PyObject *main_module, *main_locals, *locals, *key, *value;
 	PyObject *module, *fromlist;
+	PyObject *pygtype, *pytype;
 	Py_ssize_t pos = 0;
 
 	main_module = PyImport_AddModule ("__main__");
@@ -320,20 +230,34 @@ rb_python_module_load (GTypeModule *gmodule)
 		return FALSE;
 	}
 
+	pygtype = pyg_type_wrapper_new (RB_TYPE_PLUGIN);
+	pytype = PyObject_GetAttrString (pygtype, "pytype");
+	if (pytype == NULL) {
+		g_warning ("Unable to create python wrapper type for RBPlugin");
+		return FALSE;
+	}
+
 	locals = PyModule_GetDict (module);
 	while (PyDict_Next (locals, &pos, &key, &value))
 	{
 		if (!PyType_Check(value))
 			continue;
 
-		if (PyObject_IsSubclass (value, (PyObject*) PyRBPlugin_Type))
-		{
+		switch (PyObject_IsSubclass (value, pytype)) {
+		case 1:
 			priv->type = rb_python_object_get_type (gmodule, value);
+			Py_DECREF (pygtype);
 			return TRUE;
+		case 0:
+			continue;
+		case -1:
+			PyErr_Print ();
+			continue;
 		}
 	}
 
-	rb_debug ("failed to find any rb.Plugin-derived classes in python plugin");
+	rb_debug ("failed to find any RBPlugin-derived classes in python plugin");
+	Py_DECREF (pygtype);
 
 	return FALSE;
 }
@@ -372,8 +296,10 @@ rb_python_module_new_object (RBPythonModule *module)
 	RBPythonObject *object;
 	PyGILState_STATE state;
 
-	if (priv->type == 0)
+	if (priv->type == 0) {
+		g_warning ("Can't create an instance, we don't have a type");
 		return NULL;
+	}
 
 	state = pyg_gil_state_ensure ();
 	rb_debug ("Creating object of type %s", g_type_name (priv->type));
diff --git a/shell/rb-python-plugin.c b/shell/rb-python-plugin.c
index 3217c44..b8f5c53 100644
--- a/shell/rb-python-plugin.c
+++ b/shell/rb-python-plugin.c
@@ -73,28 +73,29 @@ call_python_method (RBPythonObject *object,
 static gboolean
 check_py_object_is_gtk_widget (PyObject *py_obj)
 {
-	static PyTypeObject *_PyGtkWidget_Type = NULL;
-
-	if (_PyGtkWidget_Type == NULL)
-	{
-		PyObject *module;
-
-		if ((module = PyImport_ImportModule ("gtk")))
-		{
-			PyObject *moddict = PyModule_GetDict (module);
-			_PyGtkWidget_Type = (PyTypeObject *) PyDict_GetItemString (moddict, "Widget");
-		}
-
-		if (_PyGtkWidget_Type == NULL)
-		{
-			PyErr_SetString(PyExc_TypeError, "could not find python gtk widget type");
-			PyErr_Print();
+	PyObject *pygtype, *pytype;
+	gboolean ret;
+
+	pygtype = pyg_type_wrapper_new (GTK_TYPE_WIDGET);
+	pytype = PyObject_GetAttrString (pygtype, "pytype");
+	if (pytype == NULL) {
+		g_warning ("Unable to create python wrapper type for GtkWidget");
+		return FALSE;
+	}
 
-			return FALSE;
-		}
+	ret = FALSE;
+	switch (PyObject_IsSubclass (py_obj, pytype)) {
+	case 1:
+		ret = TRUE;
+		break;
+	case -1:
+		PyErr_Print ();
+	case 0:
+		break;
 	}
 
-	return PyObject_TypeCheck (py_obj, _PyGtkWidget_Type) ? TRUE : FALSE;
+	Py_DECREF (pygtype);
+	return ret;
 }
 
 static void
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