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#include <stdio.h>
#include <stdlib.h>
#include <Python.h>
#include "compile.h" /* for the PyCodeObject */
#include "eval.h" /* for PyEval_EvalCode */
#include "BKE_context.h"
#include "bpy_compat.h"
#include "bpy_rna.h"
#include "bpy_operator.h"
#include "bpy_ui.h"
#include "DNA_space_types.h"
/*****************************************************************************
* Description: This function creates a new Python dictionary object.
*****************************************************************************/
static PyObject *CreateGlobalDictionary( bContext *C )
{
PyObject *dict = PyDict_New( );
PyObject *item = PyUnicode_FromString( "__main__" );
PyDict_SetItemString( dict, "__builtins__", PyEval_GetBuiltins( ) );
PyDict_SetItemString( dict, "__name__", item );
Py_DECREF(item);
/* Add Modules */
item = BPY_rna_module();
PyDict_SetItemString( dict, "bpy", item );
Py_DECREF(item);
item = BPY_rna_doc();
PyDict_SetItemString( dict, "bpydoc", item );
Py_DECREF(item);
item = BPY_operator_module(C);
PyDict_SetItemString( dict, "bpyoperator", item );
Py_DECREF(item);
// XXX very experemental, consiter this a test, especiall PyCObject is not meant to be perminant
item = BPY_ui_module();
PyDict_SetItemString( dict, "bpyui", item );
Py_DECREF(item);
// XXX - evil, need to access context
item = PyCObject_FromVoidPtr( C, NULL );
PyDict_SetItemString( dict, "__bpy_context__", item );
Py_DECREF(item);
return dict;
}
void BPY_start_python( void )
{
PyThreadState *py_tstate = NULL;
Py_Initialize( );
//PySys_SetArgv( argc_copy, argv_copy );
/* Initialize thread support (also acquires lock) */
PyEval_InitThreads();
// todo - sys paths - our own imports
py_tstate = PyGILState_GetThisThreadState();
PyEval_ReleaseThread(py_tstate);
}
void BPY_end_python( void )
{
PyGILState_Ensure(); /* finalizing, no need to grab the state */
// free other python data.
Py_Finalize( );
return;
}
void BPY_run_python_script( bContext *C, const char *fn )
{
PyObject *py_dict, *py_result;
char pystring[512];
PyGILState_STATE gilstate;
/* TODO - look into a better way to run a file */
sprintf(pystring, "exec(open(r'%s').read())", fn);
//BPY_start_python();
gilstate = PyGILState_Ensure();
py_dict = CreateGlobalDictionary(C);
py_result = PyRun_String( pystring, Py_file_input, py_dict, py_dict );
if (!py_result)
PyErr_Print();
else
Py_DECREF( py_result );
PyGILState_Release(gilstate);
//BPY_end_python();
}
/* TODO - move into bpy_space.c ? */
/* GUI interface routines */
/* Copied from Draw.c */
static void exit_pydraw( SpaceScript * sc, short err )
{
Script *script = NULL;
if( !sc || !sc->script )
return;
script = sc->script;
if( err ) {
PyErr_Print( );
script->flags = 0; /* mark script struct for deletion */
SCRIPT_SET_NULL(script);
script->scriptname[0] = '\0';
script->scriptarg[0] = '\0';
// XXX 2.5 error_pyscript();
// XXX 2.5 scrarea_queue_redraw( sc->area );
}
#if 0 // XXX 2.5
BPy_Set_DrawButtonsList(sc->but_refs);
BPy_Free_DrawButtonsList(); /*clear all temp button references*/
#endif
sc->but_refs = NULL;
Py_XDECREF( ( PyObject * ) script->py_draw );
Py_XDECREF( ( PyObject * ) script->py_event );
Py_XDECREF( ( PyObject * ) script->py_button );
script->py_draw = script->py_event = script->py_button = NULL;
}
static int bpy_run_script_init(bContext *C, SpaceScript * sc)
{
if (sc->script==NULL)
return 0;
if (sc->script->py_draw==NULL && sc->script->scriptname[0] != '\0')
BPY_run_python_script(C, sc->script->scriptname);
if (sc->script->py_draw==NULL)
return 0;
return 1;
}
int BPY_run_script_space_draw(bContext *C, SpaceScript * sc)
{
if (bpy_run_script_init(C, sc)) {
PyGILState_STATE gilstate = PyGILState_Ensure();
PyObject *result = PyObject_CallObject( sc->script->py_draw, NULL );
PyGILState_Release(gilstate);
if (result==NULL)
exit_pydraw(sc, 1);
}
return 1;
}
// XXX - not used yet, listeners dont get a context
int BPY_run_script_space_listener(bContext *C, SpaceScript * sc)
{
if (bpy_run_script_init(C, sc)) {
PyGILState_STATE gilstate = PyGILState_Ensure();
PyObject *result = PyObject_CallObject( sc->script->py_draw, NULL );
PyGILState_Release(gilstate);
if (result==NULL)
exit_pydraw(sc, 1);
}
return 1;
}
#if 0
/* called from the the scripts window, assume context is ok */
int BPY_run_python_script_space(const char *modulename, const char *func)
{
PyObject *py_dict, *py_result= NULL;
char pystring[512];
PyGILState_STATE gilstate;
/* for calling the module function */
PyObject *py_func,
gilstate = PyGILState_Ensure();
py_dict = CreateGlobalDictionary(C);
PyObject *module = PyImport_ImportModule(scpt->script.filename);
if (module==NULL) {
PyErr_SetFormat(PyExc_SystemError, "could not import '%s'", scpt->script.filename);
}
else {
py_func = PyObject_GetAttrString(modulename, func);
if (py_func==NULL) {
PyErr_SetFormat(PyExc_SystemError, "module has no function '%s.%s'\n", scpt->script.filename, func);
}
else {
if (!PyCallable_Check(py_func)) {
PyErr_SetFormat(PyExc_SystemError, "module item is not callable '%s.%s'\n", scpt->script.filename, func);
}
else {
py_result= PyObject_CallObject(py_func, NULL); // XXX will need args eventually
}
}
}
if (!py_result)
PyErr_Print();
else
Py_DECREF( py_result );
Py_XDECREF(module);
PyGILState_Release(gilstate);
return 1;
}
#endif
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