622 lines
17 KiB
C++
622 lines
17 KiB
C++
/*
|
|
* This program source code file is part of KiCad, a free EDA CAD application.
|
|
*
|
|
* Copyright (C) 2012 NBEE Embedded Systems, Miguel Angel Ajo <miguelangel@nbee.es>
|
|
* Copyright (C) 1992-2019 KiCad Developers, see AUTHORS.txt for contributors.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, you may find one here:
|
|
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
|
|
* or you may search the http://www.gnu.org website for the version 2 license,
|
|
* or you may write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
/**
|
|
* @file python_scripting.cpp
|
|
* @brief methods to add scripting capabilities inside pcbnew
|
|
*/
|
|
|
|
#include <python_scripting.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sstream>
|
|
|
|
#include <fctsys.h>
|
|
#include <eda_base_frame.h>
|
|
#include <common.h>
|
|
#include <gal/color4d.h>
|
|
#include <macros.h>
|
|
|
|
#include <pgm_base.h>
|
|
|
|
/* init functions defined by swig */
|
|
|
|
#if PY_MAJOR_VERSION >= 3
|
|
extern "C" PyObject* PyInit__pcbnew( void );
|
|
#else
|
|
extern "C" void init_kicad( void );
|
|
|
|
extern "C" void init_pcbnew( void );
|
|
#endif
|
|
|
|
#define EXTRA_PYTHON_MODULES 10 // this is the number of python
|
|
// modules that we want to add into the list
|
|
|
|
|
|
/* python inittab that links module names to module init functions
|
|
* we will rebuild it to include the original python modules plus
|
|
* our own ones
|
|
*/
|
|
|
|
struct _inittab* SwigImportInittab;
|
|
static int SwigNumModules = 0;
|
|
|
|
/// True if the wxPython scripting layer was successfully loaded.
|
|
static bool wxPythonLoaded = false;
|
|
|
|
|
|
bool IsWxPythonLoaded()
|
|
{
|
|
return wxPythonLoaded;
|
|
}
|
|
|
|
|
|
/**
|
|
* Add a name + initfuction to our SwigImportInittab
|
|
*/
|
|
|
|
#if PY_MAJOR_VERSION >= 3
|
|
static void swigAddModule( const char* name, PyObject* (* initfunc)() )
|
|
#else
|
|
static void swigAddModule( const char* name, void (* initfunc)() )
|
|
#endif
|
|
{
|
|
SwigImportInittab[SwigNumModules].name = (char*) name;
|
|
SwigImportInittab[SwigNumModules].initfunc = initfunc;
|
|
SwigNumModules++;
|
|
SwigImportInittab[SwigNumModules].name = (char*) 0;
|
|
SwigImportInittab[SwigNumModules].initfunc = 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* Add the builtin python modules
|
|
*/
|
|
static void swigAddBuiltin()
|
|
{
|
|
int i = 0;
|
|
|
|
/* discover the length of the pyimport inittab */
|
|
while( PyImport_Inittab[i].name )
|
|
i++;
|
|
|
|
/* allocate memory for the python module table */
|
|
SwigImportInittab = (struct _inittab*) malloc(
|
|
sizeof( struct _inittab ) * ( i + EXTRA_PYTHON_MODULES ) );
|
|
|
|
/* copy all pre-existing python modules into our newly created table */
|
|
i = 0;
|
|
|
|
while( PyImport_Inittab[i].name )
|
|
{
|
|
swigAddModule( PyImport_Inittab[i].name, PyImport_Inittab[i].initfunc );
|
|
i++;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Add the internal modules to the python scripting so they will be available to the scripts.
|
|
*/
|
|
static void swigAddModules()
|
|
{
|
|
#if PY_MAJOR_VERSION >= 3
|
|
swigAddModule( "_pcbnew", PyInit__pcbnew );
|
|
#else
|
|
swigAddModule( "_pcbnew", init_pcbnew );
|
|
#endif
|
|
|
|
// finally it seems better to include all in just one module
|
|
// but in case we needed to include any other modules,
|
|
// it must be done like this:
|
|
// swigAddModule( "_kicad", init_kicad );
|
|
}
|
|
|
|
|
|
/**
|
|
* Switch the python module table to the Pcbnew built one.
|
|
*/
|
|
static void swigSwitchPythonBuiltin()
|
|
{
|
|
PyImport_Inittab = SwigImportInittab;
|
|
}
|
|
|
|
|
|
PyThreadState* g_PythonMainTState;
|
|
|
|
|
|
/**
|
|
* Initialize the python environment and publish the Pcbnew interface inside it.
|
|
*
|
|
* This initializes all the wxPython interface and returns the python thread control structure
|
|
*/
|
|
bool pcbnewInitPythonScripting( const char * aUserScriptingPath )
|
|
{
|
|
int retv;
|
|
char cmd[1024];
|
|
|
|
swigAddBuiltin(); // add builtin functions
|
|
swigAddModules(); // add our own modules
|
|
swigSwitchPythonBuiltin(); // switch the python builtin modules to our new list
|
|
|
|
Py_Initialize();
|
|
PySys_SetArgv( Pgm().App().argc, Pgm().App().argv );
|
|
|
|
#ifdef KICAD_SCRIPTING_WXPYTHON
|
|
PyEval_InitThreads();
|
|
|
|
#ifndef KICAD_SCRIPTING_WXPYTHON_PHOENIX
|
|
#ifndef __WINDOWS__ // import wxversion.py currently not working under winbuilder, and not useful.
|
|
// Make sure that that the correct version of wxPython is loaded. In systems where there
|
|
// are different versions of wxPython installed this can lead to select wrong wxPython
|
|
// version being selected.
|
|
snprintf( cmd, sizeof( cmd ), "import wxversion; wxversion.select( '%s' )", WXPYTHON_VERSION );
|
|
|
|
retv = PyRun_SimpleString( cmd );
|
|
|
|
if( retv != 0 )
|
|
{
|
|
wxLogError( "Python error %d occurred running command:\n\n`%s`", retv, cmd );
|
|
return false;
|
|
}
|
|
#endif // ifndef __WINDOWS__
|
|
|
|
// Load the wxPython core API. Imports the wx._core_ module and sets a
|
|
// local pointer to a function table located there. The pointer is used
|
|
// internally by the rest of the API functions.
|
|
if( !wxPyCoreAPI_IMPORT() )
|
|
{
|
|
wxLogError( "***** Error importing the wxPython API! *****" );
|
|
PyErr_Print();
|
|
Py_Finalize();
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
#if defined( DEBUG )
|
|
RedirectStdio();
|
|
#endif
|
|
|
|
wxPythonLoaded = true;
|
|
|
|
// Save the current Python thread state and release the
|
|
// Global Interpreter Lock.
|
|
g_PythonMainTState = PyEval_SaveThread();
|
|
|
|
#endif // ifdef KICAD_SCRIPTING_WXPYTHON
|
|
|
|
// Load pcbnew inside Python and load all the user plugins, TODO: add system wide plugins
|
|
{
|
|
PyLOCK lock;
|
|
|
|
// Load os so that we can modify the environment variables through python
|
|
snprintf( cmd, sizeof( cmd ), "import sys, os, traceback\n"
|
|
"sys.path.append(\".\")\n"
|
|
"import pcbnew\n"
|
|
"pcbnew.LoadPlugins(\"%s\")", aUserScriptingPath );
|
|
retv = PyRun_SimpleString( cmd );
|
|
|
|
if( retv != 0 )
|
|
wxLogError( "Python error %d occurred running command:\n\n`%s`", retv, cmd );
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* Run a python method from the pcbnew module.
|
|
*
|
|
* @param aMethodName is the name of the method (like "pcbnew.myfunction" )
|
|
* @param aNames will contain the returned string
|
|
*/
|
|
static void pcbnewRunPythonMethodWithReturnedString( const char* aMethodName, wxString& aNames )
|
|
{
|
|
aNames.Clear();
|
|
|
|
PyLOCK lock;
|
|
PyErr_Clear();
|
|
|
|
PyObject* builtins = PyImport_ImportModule( "pcbnew" );
|
|
wxASSERT( builtins );
|
|
|
|
if( !builtins ) // Something is wrong in pcbnew.py module (incorrect version?)
|
|
return;
|
|
|
|
PyObject* globals = PyDict_New();
|
|
PyDict_SetItemString( globals, "pcbnew", builtins );
|
|
Py_DECREF( builtins );
|
|
|
|
// Build the python code
|
|
char cmd[1024];
|
|
snprintf( cmd, sizeof(cmd), "result = %s()", aMethodName );
|
|
|
|
// Execute the python code and get the returned data
|
|
PyObject* localDict = PyDict_New();
|
|
PyObject* pobj = PyRun_String( cmd, Py_file_input, globals, localDict);
|
|
Py_DECREF( globals );
|
|
|
|
if( pobj )
|
|
{
|
|
PyObject* str = PyDict_GetItemString(localDict, "result" );
|
|
#if PY_MAJOR_VERSION >= 3
|
|
const char* str_res = NULL;
|
|
|
|
if(str)
|
|
{
|
|
PyObject* temp_bytes = PyUnicode_AsEncodedString( str, "UTF-8", "strict" );
|
|
|
|
if( temp_bytes != NULL )
|
|
{
|
|
str_res = PyBytes_AS_STRING( temp_bytes );
|
|
str_res = strdup( str_res );
|
|
Py_DECREF( temp_bytes );
|
|
}
|
|
else
|
|
{
|
|
wxLogMessage( "cannot encode unicode python string" );
|
|
}
|
|
}
|
|
#else
|
|
const char* str_res = str ? PyString_AsString( str ) : 0;
|
|
#endif
|
|
aNames = FROM_UTF8( str_res );
|
|
Py_DECREF( pobj );
|
|
}
|
|
|
|
Py_DECREF( localDict );
|
|
|
|
if( PyErr_Occurred() )
|
|
wxLogMessage( PyErrStringWithTraceback() );
|
|
}
|
|
|
|
|
|
void pcbnewGetUnloadableScriptNames( wxString& aNames )
|
|
{
|
|
pcbnewRunPythonMethodWithReturnedString( "pcbnew.GetUnLoadableWizards", aNames );
|
|
}
|
|
|
|
|
|
void pcbnewGetScriptsSearchPaths( wxString& aNames )
|
|
{
|
|
pcbnewRunPythonMethodWithReturnedString( "pcbnew.GetWizardsSearchPaths", aNames );
|
|
}
|
|
|
|
|
|
void pcbnewGetWizardsBackTrace( wxString& aNames )
|
|
{
|
|
pcbnewRunPythonMethodWithReturnedString( "pcbnew.GetWizardsBackTrace", aNames );
|
|
}
|
|
|
|
|
|
void pcbnewFinishPythonScripting()
|
|
{
|
|
#ifdef KICAD_SCRIPTING_WXPYTHON
|
|
PyEval_RestoreThread( g_PythonMainTState );
|
|
#endif
|
|
Py_Finalize();
|
|
}
|
|
|
|
|
|
void pcbnewUpdatePythonEnvVar( const wxString& aVar, const wxString& aValue )
|
|
{
|
|
char cmd[1024];
|
|
|
|
// Ensure the interpreter is initalized before we try to interact with it
|
|
if( !Py_IsInitialized() )
|
|
return;
|
|
|
|
snprintf( cmd, sizeof( cmd ),
|
|
"# coding=utf-8\n" // The values could potentially be UTF8
|
|
"os.environ[\"%s\"]=\"%s\"\n",
|
|
TO_UTF8( aVar ),
|
|
TO_UTF8( aValue ) );
|
|
|
|
PyLOCK lock;
|
|
|
|
int retv = PyRun_SimpleString( cmd );
|
|
|
|
if( retv != 0 )
|
|
wxLogError( "Python error %d occurred running command:\n\n`%s`", retv, cmd );
|
|
}
|
|
|
|
|
|
#if defined( KICAD_SCRIPTING_WXPYTHON )
|
|
void RedirectStdio()
|
|
{
|
|
// This is a helpful little tidbit to help debugging and such. It
|
|
// redirects Python's stdout and stderr to a window that will popup
|
|
// only on demand when something is printed, like a traceback.
|
|
const char* python_redirect =
|
|
"import sys\n"
|
|
"import wx\n"
|
|
"output = wx.PyOnDemandOutputWindow()\n"
|
|
"sys.stderr = output\n";
|
|
|
|
PyLOCK lock;
|
|
|
|
int retv = PyRun_SimpleString( python_redirect );
|
|
|
|
if( retv != 0 )
|
|
wxLogError( "Python error %d occurred running command:\n\n`%s`", retv, python_redirect );
|
|
}
|
|
|
|
|
|
wxWindow* CreatePythonShellWindow( wxWindow* parent, const wxString& aFramenameId )
|
|
{
|
|
// parent is actually *PCB_EDIT_FRAME
|
|
const int parentId = parent->GetId();
|
|
{
|
|
wxWindow* parent2 = wxWindow::FindWindowById( parentId );
|
|
wxASSERT( parent2 == parent );
|
|
}
|
|
|
|
// passing window ids instead of pointers is because wxPython is not
|
|
// exposing the needed c++ apis to make that possible.
|
|
std::stringstream pcbnew_pyshell_one_step;
|
|
pcbnew_pyshell_one_step << "import kicad_pyshell\n";
|
|
pcbnew_pyshell_one_step << "import wx\n";
|
|
pcbnew_pyshell_one_step << "\n";
|
|
pcbnew_pyshell_one_step << "parent = wx.FindWindowById( " << parentId << " )\n";
|
|
pcbnew_pyshell_one_step << "newshell = kicad_pyshell.makePcbnewShellWindow( parent )\n";
|
|
pcbnew_pyshell_one_step << "newshell.SetName( \"" << aFramenameId << "\" )\n";
|
|
// return value goes into a "global". It's not actually global, but rather
|
|
// the dict that is passed to PyRun_String
|
|
pcbnew_pyshell_one_step << "retval = newshell.GetId()\n";
|
|
|
|
// As always, first grab the GIL
|
|
PyLOCK lock;
|
|
|
|
// Now make a dictionary to serve as the global namespace when the code is
|
|
// executed. Put a reference to the builtins module in it.
|
|
|
|
PyObject* globals = PyDict_New();
|
|
#if PY_MAJOR_VERSION >= 3
|
|
PyObject* builtins = PyImport_ImportModule( "builtins" );
|
|
#else
|
|
PyObject* builtins = PyImport_ImportModule( "__builtin__" );
|
|
#endif
|
|
|
|
wxASSERT( builtins );
|
|
|
|
PyDict_SetItemString( globals, "__builtins__", builtins );
|
|
Py_DECREF( builtins );
|
|
|
|
#ifdef KICAD_SCRIPTING_WXPYTHON_PHOENIX
|
|
auto app_ptr = wxTheApp;
|
|
#endif
|
|
// Execute the code to make the makeWindow function we defined above
|
|
PyObject* result = PyRun_String( pcbnew_pyshell_one_step.str().c_str(), Py_file_input,
|
|
globals, globals );
|
|
|
|
#ifdef KICAD_SCRIPTING_WXPYTHON_PHOENIX
|
|
// This absolutely ugly hack is to work around the pyshell re-writing the global
|
|
// wxApp variable. Once we can initialize Phoenix to access the appropriate instance
|
|
// of wx, we can remove this line
|
|
wxApp::SetInstance( app_ptr );
|
|
#endif
|
|
// Was there an exception?
|
|
if( !result )
|
|
{
|
|
PyErr_Print();
|
|
return NULL;
|
|
}
|
|
|
|
Py_DECREF( result );
|
|
|
|
result = PyDict_GetItemString( globals, "retval" );
|
|
|
|
#if PY_MAJOR_VERSION >= 3
|
|
if( !PyLong_Check( result ) )
|
|
#else
|
|
if( !PyInt_Check( result ) )
|
|
#endif
|
|
{
|
|
wxLogError( "creation of scripting window didn't return a number" );
|
|
return NULL;
|
|
}
|
|
|
|
#if PY_MAJOR_VERSION >= 3
|
|
const long windowId = PyLong_AsLong( result );
|
|
#else
|
|
const long windowId = PyInt_AsLong( result );
|
|
#endif
|
|
|
|
// It's important not to decref globals before extracting the window id.
|
|
// If you do it early, globals, and the retval int it contains, may/will be garbage collected.
|
|
// We do not need to decref result, because GetItemString returns a borrowed reference.
|
|
Py_DECREF( globals );
|
|
|
|
wxWindow* window = wxWindow::FindWindowById( windowId );
|
|
|
|
if( !window )
|
|
{
|
|
wxLogError( "unable to find pyshell window with id %d", windowId );
|
|
return NULL;
|
|
}
|
|
|
|
return window;
|
|
}
|
|
#endif
|
|
|
|
|
|
wxString PyStringToWx( PyObject* aString )
|
|
{
|
|
wxString ret;
|
|
|
|
if( !aString )
|
|
return ret;
|
|
|
|
#if PY_MAJOR_VERSION >= 3
|
|
const char* str_res = NULL;
|
|
PyObject* temp_bytes = PyUnicode_AsEncodedString( aString, "UTF-8", "strict" );
|
|
|
|
if( temp_bytes != NULL )
|
|
{
|
|
str_res = PyBytes_AS_STRING( temp_bytes );
|
|
ret = FROM_UTF8( str_res );
|
|
Py_DECREF( temp_bytes );
|
|
}
|
|
else
|
|
{
|
|
wxLogMessage( "cannot encode unicode python string" );
|
|
}
|
|
#else
|
|
const char* str_res = PyString_AsString( aString );
|
|
ret = FROM_UTF8( str_res );
|
|
#endif
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
wxArrayString PyArrayStringToWx( PyObject* aArrayString )
|
|
{
|
|
wxArrayString ret;
|
|
|
|
if( !aArrayString )
|
|
return ret;
|
|
|
|
int list_size = PyList_Size( aArrayString );
|
|
|
|
for( int n = 0; n < list_size; n++ )
|
|
{
|
|
PyObject* element = PyList_GetItem( aArrayString, n );
|
|
|
|
if( element )
|
|
{
|
|
#if PY_MAJOR_VERSION >= 3
|
|
const char* str_res = NULL;
|
|
PyObject* temp_bytes = PyUnicode_AsEncodedString( element, "UTF-8", "strict" );
|
|
|
|
if( temp_bytes != NULL )
|
|
{
|
|
str_res = PyBytes_AS_STRING( temp_bytes );
|
|
ret.Add( FROM_UTF8( str_res ), 1 );
|
|
Py_DECREF( temp_bytes );
|
|
}
|
|
else
|
|
{
|
|
wxLogMessage( "cannot encode unicode python string" );
|
|
}
|
|
#else
|
|
ret.Add( FROM_UTF8( PyString_AsString( element ) ), 1 );
|
|
#endif
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
wxString PyErrStringWithTraceback()
|
|
{
|
|
wxString err;
|
|
|
|
if( !PyErr_Occurred() )
|
|
return err;
|
|
|
|
PyObject* type;
|
|
PyObject* value;
|
|
PyObject* traceback;
|
|
|
|
PyErr_Fetch( &type, &value, &traceback );
|
|
|
|
PyErr_NormalizeException( &type, &value, &traceback );
|
|
|
|
if( traceback == NULL )
|
|
{
|
|
traceback = Py_None;
|
|
Py_INCREF( traceback );
|
|
}
|
|
|
|
#if PY_MAJOR_VERSION >= 3
|
|
PyException_SetTraceback( value, traceback );
|
|
|
|
PyObject* tracebackModuleString = PyUnicode_FromString( "traceback" );
|
|
#else
|
|
PyObject* tracebackModuleString = PyString_FromString( "traceback" );
|
|
#endif
|
|
PyObject* tracebackModule = PyImport_Import( tracebackModuleString );
|
|
Py_DECREF( tracebackModuleString );
|
|
|
|
PyObject* formatException = PyObject_GetAttrString( tracebackModule,
|
|
"format_exception" );
|
|
Py_DECREF( tracebackModule );
|
|
|
|
PyObject* args = Py_BuildValue( "(O,O,O)", type, value, traceback );
|
|
PyObject* result = PyObject_CallObject( formatException, args );
|
|
Py_XDECREF( formatException );
|
|
Py_XDECREF( args );
|
|
Py_XDECREF( type );
|
|
Py_XDECREF( value );
|
|
Py_XDECREF( traceback );
|
|
|
|
wxArrayString res = PyArrayStringToWx( result );
|
|
|
|
for( unsigned i = 0; i<res.Count(); i++ )
|
|
{
|
|
err += res[i] + wxT( "\n" );
|
|
}
|
|
|
|
PyErr_Clear();
|
|
|
|
return err;
|
|
}
|
|
|
|
|
|
/**
|
|
* Find the Python scripting path.
|
|
*/
|
|
wxString PyScriptingPath()
|
|
{
|
|
wxString path;
|
|
|
|
//@todo This should this be a user configurable variable eg KISCRIPT?
|
|
#if defined( __WXMAC__ )
|
|
path = GetOSXKicadDataDir() + wxT( "/scripting" );
|
|
#else
|
|
path = Pgm().GetExecutablePath() + wxT( "../share/kicad/scripting" );
|
|
#endif
|
|
|
|
wxFileName scriptPath( path );
|
|
scriptPath.MakeAbsolute();
|
|
|
|
// Convert '\' to '/' in path, because later python script read \n or \r
|
|
// as escaped sequence, and create issues, when calling it by PyRun_SimpleString() method.
|
|
// It can happen on Windows.
|
|
path = scriptPath.GetFullPath();
|
|
path.Replace( '\\', '/' );
|
|
|
|
return path;
|
|
}
|
|
|
|
|
|
wxString PyPluginsPath()
|
|
{
|
|
// Note we are using unix path separator, because window separator sometimes
|
|
// creates issues when passing a command string to a python method by PyRun_SimpleString
|
|
return PyScriptingPath() + '/' + "plugins";
|
|
}
|