FreeCAD/src/App/DocumentPyImp.cpp

516 lines
18 KiB
C++

/***************************************************************************
* Copyright (c) Jürgen Riegel (juergen.riegel@web.de) 2007 *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <sstream>
#endif
#include "Document.h"
#include <Base/FileInfo.h>
#include <Base/PyTools.h>
#include "DocumentObject.h"
#include "DocumentObjectPy.h"
// inclusion of the generated files (generated By DocumentPy.xml)
#include "DocumentPy.h"
#include "DocumentPy.cpp"
#include <boost/regex.hpp>
using namespace App;
// returns a string which represent the object e.g. when printed in python
std::string DocumentPy::representation(void) const
{
std::stringstream str;
str << "<Document object at " << getDocumentPtr() << ">";
return str.str();
}
PyObject* DocumentPy::save(PyObject * args)
{
if (!PyArg_ParseTuple(args, "")) // convert args: Python->C
return NULL; // NULL triggers exception
if (!getDocumentPtr()->save()) {
PyErr_Format(PyExc_ValueError, "Object attribute 'FileName' is not set");
return NULL;
}
const char* filename = getDocumentPtr()->FileName.getValue();
Base::FileInfo fi(filename);
if (!fi.isReadable()) {
PyErr_Format(PyExc_IOError, "No such file or directory: '%s'", filename);
return NULL;
}
Py_Return;
}
PyObject* DocumentPy::restore(PyObject * args)
{
if (!PyArg_ParseTuple(args, "")) // convert args: Python->C
return NULL; // NULL triggers exception
const char* filename = getDocumentPtr()->FileName.getValue();
if (!filename || *filename == '\0') {
PyErr_Format(PyExc_ValueError, "Object attribute 'FileName' is not set");
return NULL;
}
Base::FileInfo fi(filename);
if (!fi.isReadable()) {
PyErr_Format(PyExc_IOError, "No such file or directory: '%s'", filename);
return NULL;
}
try {
getDocumentPtr()->restore();
} catch (...) {
PyErr_Format(PyExc_IOError, "Reading from file '%s' failed", filename);
return NULL;
}
Py_Return;
}
PyObject* DocumentPy::exportGraphviz(PyObject * args)
{
char* fn=0;
if (!PyArg_ParseTuple(args, "|s",&fn)) // convert args: Python->C
return NULL; // NULL triggers exception
if (fn) {
Base::FileInfo fi(fn);
Base::ofstream str(fi);
getDocumentPtr()->exportGraphviz(str);
str.close();
Py_Return;
}
else {
std::stringstream str;
getDocumentPtr()->exportGraphviz(str);
return PyString_FromString(str.str().c_str());
}
}
PyObject* DocumentPy::addObject(PyObject *args)
{
char *sType,*sName=0;
PyObject* obj=0;
PyObject* view=0;
if (!PyArg_ParseTuple(args, "s|sOO", &sType,&sName,&obj,&view)) // convert args: Python->C
return NULL; // NULL triggers exception
DocumentObject *pcFtr;
pcFtr = getDocumentPtr()->addObject(sType,sName);
if (pcFtr) {
// Allows to hide the handling with Proxy in client python code
if (obj) {
try {
// the python binding class to the document object
Py::Object pyftr = Py::asObject(pcFtr->getPyObject());
// 'pyobj' is the python class with the implementation for DocumentObject
Py::Object pyobj(obj);
if (pyobj.hasAttr("__object__")) {
pyobj.setAttr("__object__", pyftr);
}
pyftr.setAttr("Proxy", pyobj);
// if a document class is set we also need a view provider defined which must be
// something different to None
Py::Object pyvp;
if (view)
pyvp = Py::Object(view);
if (pyvp.isNone())
pyvp = Py::Int(1);
// 'pyvp' is the python class with the implementation for ViewProvider
if (pyvp.hasAttr("__vobject__")) {
pyvp.setAttr("__vobject__", pyftr.getAttr("ViewObject"));
}
pyftr.getAttr("ViewObject").setAttr("Proxy", pyvp);
return Py::new_reference_to(Py::None());
}
catch (Py::Exception& e) {
e.clear();
}
}
return pcFtr->getPyObject();
}
else {
std::stringstream str;
str << "No document object found of type '" << sType << "'" << std::ends;
throw Py::Exception(PyExc_Exception,str.str());
}
}
PyObject* DocumentPy::removeObject(PyObject *args)
{
char *sName;
if (!PyArg_ParseTuple(args, "s",&sName)) // convert args: Python->C
return NULL; // NULL triggers exception
DocumentObject *pcFtr = getDocumentPtr()->getObject(sName);
if(pcFtr) {
getDocumentPtr()->remObject( sName );
Py_Return;
} else {
std::stringstream str;
str << "No document object found with name '" << sName << "'" << std::ends;
throw Py::Exception(PyExc_Exception,str.str());
}
}
PyObject* DocumentPy::copyObject(PyObject *args)
{
PyObject *obj, *rec=0, *keep=0;
if (!PyArg_ParseTuple(args, "O!|O!O!",&(DocumentObjectPy::Type),&obj,&PyBool_Type,&rec,&PyBool_Type,&keep))
return NULL; // NULL triggers exception
DocumentObjectPy* docObj = static_cast<DocumentObjectPy*>(obj);
DocumentObject* copy = getDocumentPtr()->copyObject(docObj->getDocumentObjectPtr(), rec==Py_True, keep==Py_True);
if (copy) {
return copy->getPyObject();
}
else {
std::string str("Failed to copy the object");
throw Py::Exception(PyExc_Exception,str);
}
}
PyObject* DocumentPy::moveObject(PyObject *args)
{
PyObject *obj, *rec=0;
if (!PyArg_ParseTuple(args, "O!|O!",&(DocumentObjectPy::Type),&obj,&PyBool_Type,&rec))
return NULL; // NULL triggers exception
DocumentObjectPy* docObj = static_cast<DocumentObjectPy*>(obj);
DocumentObject* move = getDocumentPtr()->moveObject(docObj->getDocumentObjectPtr(), rec==Py_True);
if (move) {
return move->getPyObject();
}
else {
std::string str("Failed to move the object");
throw Py::Exception(PyExc_Exception,str);
}
}
PyObject* DocumentPy::openTransaction(PyObject *args)
{
char *pstr=0;
if (!PyArg_ParseTuple(args, "|s", &pstr)) // convert args: Python->C
return NULL; // NULL triggers exception
getDocumentPtr()->openTransaction(pstr);
Py_Return;
}
PyObject* DocumentPy::abortTransaction(PyObject * args)
{
if (!PyArg_ParseTuple(args, "")) // convert args: Python->C
return NULL; // NULL triggers exception
getDocumentPtr()->abortTransaction();
Py_Return;
}
PyObject* DocumentPy::commitTransaction(PyObject * args)
{
if (!PyArg_ParseTuple(args, "")) // convert args: Python->C
return NULL; // NULL triggers exception
getDocumentPtr()->commitTransaction();
Py_Return;
}
PyObject* DocumentPy::undo(PyObject * args)
{
if (!PyArg_ParseTuple(args, "")) // convert args: Python->C
return NULL; // NULL triggers exception
if (getDocumentPtr()->getAvailableUndos())
getDocumentPtr()->undo();
Py_Return;
}
PyObject* DocumentPy::redo(PyObject * args)
{
if (!PyArg_ParseTuple(args, "")) // convert args: Python->C
return NULL; // NULL triggers exception
if (getDocumentPtr()->getAvailableRedos())
getDocumentPtr()->redo();
Py_Return;
}
PyObject* DocumentPy::clearUndos(PyObject * args)
{
if (!PyArg_ParseTuple(args, "")) // convert args: Python->C
return NULL; // NULL triggers exception
getDocumentPtr()->clearUndos();
Py_Return;
}
PyObject* DocumentPy::recompute(PyObject * args)
{
if (!PyArg_ParseTuple(args, "")) // convert args: Python->C
return NULL; // NULL triggers exception
getDocumentPtr()->recompute();
Py_Return;
}
PyObject* DocumentPy::getObject(PyObject *args)
{
char *sName;
if (!PyArg_ParseTuple(args, "s",&sName)) // convert args: Python->C
return NULL; // NULL triggers exception
DocumentObject *pcFtr = getDocumentPtr()->getObject(sName);
if (pcFtr)
return pcFtr->getPyObject();
else
Py_Return;
}
PyObject* DocumentPy::getObjectsByLabel(PyObject *args)
{
char *sName;
if (!PyArg_ParseTuple(args, "s",&sName)) // convert args: Python->C
return NULL; // NULL triggers exception
Py::List list;
std::string name = sName;
std::vector<DocumentObject*> objs = getDocumentPtr()->getObjects();
for (std::vector<DocumentObject*>::iterator it = objs.begin(); it != objs.end(); ++it) {
if (name == (*it)->Label.getValue())
list.append(Py::asObject((*it)->getPyObject()));
}
return Py::new_reference_to(list);
}
PyObject* DocumentPy::findObjects(PyObject *args)
{
char *sType="App::DocumentObject", *sName=0;
if (!PyArg_ParseTuple(args, "|ss",&sType, &sName)) // convert args: Python->C
return NULL; // NULL triggers exception
Base::Type type = Base::Type::fromName(sType);
if (type == Base::Type::badType()) {
PyErr_Format(PyExc_Exception, "'%s' is not a valid type", sType);
return NULL;
}
if (!type.isDerivedFrom(App::DocumentObject::getClassTypeId())) {
PyErr_Format(PyExc_Exception, "Type '%s' does not inherit from 'App::DocumentObject'", sType);
return NULL;
}
std::vector<DocumentObject*> res;
if (sName) {
try {
res = getDocumentPtr()->findObjects(type, sName);
}
catch (const boost::regex_error& e) {
PyErr_SetString(PyExc_RuntimeError, e.what());
return 0;
}
}
else {
res = getDocumentPtr()->getObjectsOfType(type);
}
Py_ssize_t index=0;
PyObject* list = PyList_New((Py_ssize_t)res.size());
for (std::vector<DocumentObject*>::const_iterator It = res.begin();It != res.end();++It, index++)
PyList_SetItem(list, index, (*It)->getPyObject());
return list;
}
Py::Object DocumentPy::getActiveObject(void) const
{
DocumentObject *pcFtr = getDocumentPtr()->getActiveObject();
if(pcFtr)
return Py::Object(pcFtr->getPyObject(), true);
return Py::None();
}
PyObject* DocumentPy::supportedTypes(PyObject *args)
{
if (!PyArg_ParseTuple(args, "")) // convert args: Python->C
return NULL; // NULL triggers exception
std::vector<Base::Type> ary;
Base::Type::getAllDerivedFrom(App::DocumentObject::getClassTypeId(), ary);
Py::List res;
for (std::vector<Base::Type>::iterator it = ary.begin(); it != ary.end(); ++it)
res.append(Py::String(it->getName()));
return Py::new_reference_to(res);
}
Py::List DocumentPy::getObjects(void) const
{
std::vector<DocumentObject*> objs = getDocumentPtr()->getObjects();
Py::List res;
for (std::vector<DocumentObject*>::const_iterator It = objs.begin();It != objs.end();++It)
//Note: Here we must force the Py::Object to own this Python object as getPyObject() increments the counter
res.append(Py::Object((*It)->getPyObject(), true));
return res;
}
Py::Int DocumentPy::getUndoMode(void) const
{
return Py::Int(getDocumentPtr()->getUndoMode());
}
void DocumentPy::setUndoMode(Py::Int arg)
{
getDocumentPtr()->setUndoMode(arg);
}
Py::Int DocumentPy::getUndoRedoMemSize(void) const
{
return Py::Int((long)getDocumentPtr()->getUndoMemSize());
}
Py::Int DocumentPy::getUndoCount(void) const
{
return Py::Int((long)getDocumentPtr()->getAvailableUndos());
}
Py::Int DocumentPy::getRedoCount(void) const
{
return Py::Int((long)getDocumentPtr()->getAvailableRedos());
}
Py::List DocumentPy::getUndoNames(void) const
{
std::vector<std::string> vList = getDocumentPtr()->getAvailableUndoNames();
Py::List res;
for (std::vector<std::string>::const_iterator It = vList.begin();It!=vList.end();++It)
res.append(Py::String(*It));
return res;
}
Py::List DocumentPy::getRedoNames(void) const
{
std::vector<std::string> vList = getDocumentPtr()->getAvailableRedoNames();
Py::List res;
for (std::vector<std::string>::const_iterator It = vList.begin();It!=vList.end();++It)
res.append(Py::String(*It));
return res;
}
Py::String DocumentPy::getDependencyGraph(void) const
{
std::stringstream out;
getDocumentPtr()->writeDependencyGraphViz(out);
return Py::String(out.str());
}
Py::String DocumentPy::getName(void) const
{
return Py::String(getDocumentPtr()->getName());
}
PyObject* DocumentPy::getTempFileName(PyObject *args)
{
PyObject *value;
if (!PyArg_ParseTuple(args, "O",&value))
return NULL; // NULL triggers exception
std::string string;
if (PyUnicode_Check(value)) {
PyObject* unicode = PyUnicode_AsUTF8String(value);
string = PyString_AsString(unicode);
Py_DECREF(unicode);
}
else if (PyString_Check(value)) {
string = PyString_AsString(value);
}
else {
std::string error = std::string("type must be a string!");
error += value->ob_type->tp_name;
throw Py::TypeError(error);
}
// search for a temp file name in the document transient directory
Base::FileInfo fileName(Base::FileInfo::getTempFileName
(string.c_str(),getDocumentPtr()->TransientDir.getValue()));
// delete the created file, we need only the name...
fileName.deleteFile();
PyObject *p = PyUnicode_DecodeUTF8(fileName.filePath().c_str(),fileName.filePath().size(),0);
if (!p) throw Base::Exception("UTF8 conversion failure at PropertyString::getPyObject()");
return p;
}
PyObject *DocumentPy::getCustomAttributes(const char* attr) const
{
// Note: Here we want to return only a document object if its
// name matches 'attr'. However, it is possible to have an object
// with the same name as an attribute. If so, we return 0 as other-
// wise it wouldn't be possible to address this attribute any more.
// The object must then be addressed by the getObject() method directly.
App::Property* prop = getPropertyContainerPtr()->getPropertyByName(attr);
if (prop) return 0;
if (this->ob_type->tp_dict == NULL) {
if (PyType_Ready(this->ob_type) < 0)
return 0;
}
PyObject* item = PyDict_GetItemString(this->ob_type->tp_dict, attr);
if (item) return 0;
// search for an object with this name
DocumentObject* obj = getDocumentPtr()->getObject(attr);
return (obj ? obj->getPyObject() : 0);
}
int DocumentPy::setCustomAttributes(const char* attr, PyObject *)
{
// Note: Here we want to return only a document object if its
// name matches 'attr'. However, it is possible to have an object
// with the same name as an attribute. If so, we return 0 as other-
// wise it wouldn't be possible to address this attribute any more.
// The object must then be addressed by the getObject() method directly.
App::Property* prop = getPropertyContainerPtr()->getPropertyByName(attr);
if (prop) return 0;
if (this->ob_type->tp_dict == NULL) {
if (PyType_Ready(this->ob_type) < 0)
return 0;
}
PyObject* item = PyDict_GetItemString(this->ob_type->tp_dict, attr);
if (item) return 0;
DocumentObject* obj = getDocumentPtr()->getObject(attr);
if (obj)
{
std::stringstream str;
str << "'Document' object attribute '" << attr
<< "' must not be set this way" << std::ends;
throw Py::AttributeError(str.str());
}
return 0;
}