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App: Add support for in-memory Metadata creation

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Chris Hennes
2023-02-09 17:50:08 -08:00
committed by Chris Hennes
parent a637937cac
commit 766923a3da
4 changed files with 98 additions and 50 deletions
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61
src/App/MetadataPyImp.cpp
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@@ -1,24 +1,24 @@
/***************************************************************************
* Copyright (c) 2021 Chris Hennes <chennes@pioneerlibrarysystem.org> *
* *
* 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 LICENSE.html. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
/**************************************************************************
* *
* Copyright (c) 2022 FreeCAD Project Association *
* *
* This file is part of FreeCAD. *
* *
* FreeCAD is free software: you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation, either version 2.1 of the *
* License, or (at your option) any later version. *
* *
* FreeCAD 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with FreeCAD. If not, see *
* <https://www.gnu.org/licenses/>. *
* *
**************************************************************************/
#include "PreCompiled.h"
@@ -63,6 +63,25 @@ int MetadataPy::PyInit(PyObject *args, PyObject * /*kwd*/)
return 0;
}
// Data may be passed directly in as a bytes-like object buffer
PyErr_Clear();
Py_buffer dataBuffer;
if (PyArg_ParseTuple(args, "y*", &dataBuffer)) {
try {
// NB: This is making a copy of the buffer for simplicity, but that shouldn't be
// necessary. Use either a string_view or a span to avoid the copy in the future.
auto md = new Metadata(
std::string(static_cast<const char*>(dataBuffer.buf), dataBuffer.len)
);
setTwinPointer(md);
return 0;
}
catch (const Base::XMLBaseException&) {
// If the XML read failed, this might have been a path to a file, rather than a
// bytes-like object. Fall through to the next case.
}
}
// Main class constructor -- takes a file path, loads the metadata from it
PyErr_Clear();
char *filename;