Revision: 24842
          
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=24842
Author:   campbellbarton
Date:     2009-11-24 00:17:23 +0100 (Tue, 24 Nov 2009)

Log Message:
-----------
- new pyrna api functions srna & prop path_to_id(), useful when setting driver 
target paths.
  This means you can have a pose bone for eg and get the path...
   pose.bones["Bone"]
 uses rna internal functions, so will work for sequence strips etc.

- StructRNA.get(), used for getting ID props without exceptions...
 val = C.object["someKey"]
 or..
 val = C.object.get("someKey", "defaultValue") # wont raise an error

- change rna property for testing if rna props are editable, test the flag 
rather then calling the function since the function depends on blenders state.

- fix a python exception with the ID-Property popup UI (when editing in more 
then 1 step)

Modified Paths:
--------------
    trunk/blender/release/scripts/modules/rna_prop_ui.py
    trunk/blender/source/blender/makesrna/intern/rna_fcurve.c
    trunk/blender/source/blender/makesrna/intern/rna_rna.c
    trunk/blender/source/blender/python/intern/bpy_rna.c

Modified: trunk/blender/release/scripts/modules/rna_prop_ui.py
===================================================================
--- trunk/blender/release/scripts/modules/rna_prop_ui.py        2009-11-23 
23:03:04 UTC (rev 24841)
+++ trunk/blender/release/scripts/modules/rna_prop_ui.py        2009-11-23 
23:17:23 UTC (rev 24842)
@@ -177,6 +177,7 @@
         exec_str = "item['%s'] = %s" % (prop, value_eval)
         # print(exec_str)
         exec(exec_str)
+        self._last_prop[:] = [prop]
 
         prop_type = type(item[prop])
 

Modified: trunk/blender/source/blender/makesrna/intern/rna_fcurve.c
===================================================================
--- trunk/blender/source/blender/makesrna/intern/rna_fcurve.c   2009-11-23 
23:03:04 UTC (rev 24841)
+++ trunk/blender/source/blender/makesrna/intern/rna_fcurve.c   2009-11-23 
23:17:23 UTC (rev 24842)
@@ -649,7 +649,7 @@
        RNA_def_property_flag(prop, PROP_EDITABLE);
        RNA_def_property_editable_func(prop, "rna_DriverTarget_id_editable");
        RNA_def_property_pointer_funcs(prop, NULL, NULL, 
"rna_DriverTarget_id_typef");
-       RNA_def_property_ui_text(prop, "ID", "ID-block that the specific 
property used can be found from");
+       RNA_def_property_ui_text(prop, "ID", "ID-block that the specific 
property used can be found from (id_type property must be set first)");
        //RNA_def_property_update(prop, 0, "rna_ChannelDriver_update_data"); // 
XXX disabled for now, until we can turn off auto updates
        
        prop= RNA_def_property(srna, "id_type", PROP_ENUM, PROP_NONE);

Modified: trunk/blender/source/blender/makesrna/intern/rna_rna.c
===================================================================
--- trunk/blender/source/blender/makesrna/intern/rna_rna.c      2009-11-23 
23:03:04 UTC (rev 24841)
+++ trunk/blender/source/blender/makesrna/intern/rna_rna.c      2009-11-23 
23:17:23 UTC (rev 24842)
@@ -428,7 +428,12 @@
 static int rna_Property_editable_get(PointerRNA *ptr)
 {
        PropertyRNA *prop= (PropertyRNA*)ptr->data;
-       return RNA_property_editable(ptr, prop);
+
+       /* dont use this becaure it will call functions that check the internal
+        * data for introspection we only need to know if it can be edited so 
the
+        * flag is better for this */
+//     return RNA_property_editable(ptr, prop);
+       return prop->flag & PROP_EDITABLE ? 1:0;
 }
 
 static int rna_Property_use_return_get(PointerRNA *ptr)

Modified: trunk/blender/source/blender/python/intern/bpy_rna.c
===================================================================
--- trunk/blender/source/blender/python/intern/bpy_rna.c        2009-11-23 
23:03:04 UTC (rev 24841)
+++ trunk/blender/source/blender/python/intern/bpy_rna.c        2009-11-23 
23:17:23 UTC (rev 24842)
@@ -1391,7 +1391,6 @@
        return result;
 }
 
-
 static PyObject *pyrna_struct_is_property_set(BPy_StructRNA *self, PyObject 
*args)
 {
        char *name;
@@ -1434,7 +1433,60 @@
        Py_RETURN_NONE;
 }
 
+static PyObject *pyrna_struct_path_to_id(BPy_StructRNA *self, PyObject *args)
+{
+       char *name= NULL;
+       char *path;
+       PropertyRNA *prop;
+       PyObject *ret;
 
+       if (!PyArg_ParseTuple(args, "|s:path_to_id", &name))
+               return NULL;
+
+       if(name) {
+               prop= RNA_struct_find_property(&self->ptr, name);
+               if(prop==NULL) {
+                       PyErr_Format(PyExc_TypeError, "path_to_id(\"%.200s\") 
not found", name);
+                       return NULL;
+               }
+
+               path= RNA_path_from_ID_to_property(&self->ptr, prop);
+       }
+       else {
+               path= RNA_path_from_ID_to_struct(&self->ptr);
+       }
+
+       if(path==NULL) {
+               if(name)        PyErr_Format(PyExc_TypeError, 
"%.200s.path_to_id(\"%s\") found but does not support path creation", 
RNA_struct_identifier(self->ptr.type), name);
+               else            PyErr_Format(PyExc_TypeError, 
"%.200s.path_to_id() does not support path creation for this type", name);
+               return NULL;
+       }
+
+       ret= PyUnicode_FromString(path);
+       MEM_freeN(path);
+
+       return ret;
+}
+
+static PyObject *pyrna_prop_path_to_id(BPy_PropertyRNA *self)
+{
+       char *path;
+       PropertyRNA *prop;
+       PyObject *ret;
+
+       path= RNA_path_from_ID_to_property(&self->ptr, self->prop);
+
+       if(path==NULL) {
+               PyErr_Format(PyExc_TypeError, "%.200s.%.200s.path_to_id() does 
not support path creation for this type", 
RNA_struct_identifier(self->ptr.type), RNA_property_identifier(prop));
+               return NULL;
+       }
+
+       ret= PyUnicode_FromString(path);
+       MEM_freeN(path);
+
+       return ret;
+}
+
 static void pyrna_dir_members_py(PyObject *list, PyObject *self)
 {
        PyObject *dict;
@@ -1890,6 +1942,34 @@
        return ret;
 }
 
+static PyObject *pyrna_struct_get(BPy_StructRNA *self, PyObject *args)
+{
+       IDProperty *group, *idprop;
+
+       char *key;
+       PyObject* def = Py_None;
+
+       if (!PyArg_ParseTuple(args, "s|O:get", &key, &def))
+               return NULL;
+
+       /* mostly copied from BPy_IDGroup_Map_GetItem */
+       if(RNA_struct_idproperties_check(&self->ptr)==0) {
+               PyErr_SetString( PyExc_TypeError, "this type doesn't support 
IDProperties");
+               return NULL;
+       }
+
+       group= RNA_struct_idproperties(&self->ptr, 0);
+       if(group) {
+               idprop= IDP_GetPropertyFromGroup(group, key);
+
+               if(idprop)
+                       return BPy_IDGroup_WrapData(self->ptr.id.data, idprop);
+       }
+
+       Py_INCREF(def);
+       return def;
+}
+
 static PyObject *pyrna_prop_get(BPy_PropertyRNA *self, PyObject *args)
 {
        PointerRNA newptr;
@@ -2182,12 +2262,15 @@
        {"values", (PyCFunction)pyrna_struct_values, METH_NOARGS, NULL},
        {"items", (PyCFunction)pyrna_struct_items, METH_NOARGS, NULL},
 
+       {"get", (PyCFunction)pyrna_struct_get, METH_VARARGS, NULL},
+
        /* maybe this become and ID function */
        {"keyframe_insert", (PyCFunction)pyrna_struct_keyframe_insert, 
METH_VARARGS, NULL},
        {"driver_add", (PyCFunction)pyrna_struct_driver_add, METH_VARARGS, 
NULL},
        {"is_property_set", (PyCFunction)pyrna_struct_is_property_set, 
METH_VARARGS, NULL},
        {"is_property_hidden", (PyCFunction)pyrna_struct_is_property_hidden, 
METH_VARARGS, NULL},
        {"path_resolve", (PyCFunction)pyrna_struct_path_resolve, METH_O, NULL},
+       {"path_to_id", (PyCFunction)pyrna_struct_path_to_id, METH_VARARGS, 
NULL},
        {"__dir__", (PyCFunction)pyrna_struct_dir, METH_NOARGS, NULL},
        {NULL, NULL, 0, NULL}
 };
@@ -2203,6 +2286,9 @@
        {"add", (PyCFunction)pyrna_prop_add, METH_NOARGS, NULL},
        {"remove", (PyCFunction)pyrna_prop_remove, METH_O, NULL},
 
+       /* almost the same as the srna function */
+       {"path_to_id", (PyCFunction)pyrna_prop_path_to_id, METH_NOARGS, NULL},
+
        /* array accessor function */
        {"foreach_get", (PyCFunction)pyrna_prop_foreach_get, METH_VARARGS, 
NULL},
        {"foreach_set", (PyCFunction)pyrna_prop_foreach_set, METH_VARARGS, 
NULL},


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