Mercurial > hg > orthanc-python
view Sources/OnStoredInstanceCallback.cpp @ 66:6fc445793796
new wrapped function: orthanc.LookupDictionary()
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 11 Jun 2021 14:03:12 +0200 |
parents | 32de70a1e4c7 |
children | 0b3ef425db31 |
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/** * Python plugin for Orthanc * Copyright (C) 2020-2021 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Affero General Public License * as published by the Free Software Foundation, either version 3 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 * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "OnStoredInstanceCallback.h" #include "PythonString.h" #include "Autogenerated/sdk.h" #include "../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h" static PyObject* storedInstanceCallback_ = NULL; static OrthancPluginErrorCode OnStoredInstanceCallback(const OrthancPluginDicomInstance *instance, const char *instanceId) { try { PythonLock lock; /** * Construct an instance object of the "orthanc.RestOutput" * class. This is done by calling the constructor function * "sdk_OrthancPluginRestOutput_Type". **/ PythonObject args(lock, PyTuple_New(2)); PyTuple_SetItem(args.GetPyObject(), 0, PyLong_FromSsize_t((intptr_t) instance)); PyTuple_SetItem(args.GetPyObject(), 1, PyBool_FromLong(true /* borrowed, don't destruct */)); PyObject *pInst = PyObject_CallObject((PyObject*) GetOrthancPluginDicomInstanceType(), args.GetPyObject()); /** * Construct the arguments tuple (output, uri) **/ PythonString str(lock, instanceId); PythonObject args2(lock, PyTuple_New(2)); PyTuple_SetItem(args2.GetPyObject(), 0, pInst); PyTuple_SetItem(args2.GetPyObject(), 1, str.Release()); PythonObject result(lock, PyObject_CallObject(storedInstanceCallback_, args2.GetPyObject())); std::string traceback; if (lock.HasErrorOccurred(traceback)) { OrthancPlugins::LogError("Error in the Python on-change callback, " "traceback:\n" + traceback); return OrthancPluginErrorCode_Plugin; } else { return OrthancPluginErrorCode_Success; } } catch (OrthancPlugins::PluginException& e) { return e.GetErrorCode(); } } PyObject* RegisterOnStoredInstanceCallback(PyObject* module, PyObject* args) { // The GIL is locked at this point (no need to create "PythonLock") // https://docs.python.org/3/extending/extending.html#calling-python-functions-from-c PyObject* callback = NULL; if (!PyArg_ParseTuple(args, "O", &callback) || callback == NULL) { PyErr_SetString(PyExc_ValueError, "Expected a callback function"); return NULL; } if (storedInstanceCallback_ != NULL) { PyErr_SetString(PyExc_RuntimeError, "Can only register one Python on-stored-instance callback"); return NULL; } OrthancPlugins::LogInfo("Registering a Python on-stored-instance callback"); OrthancPluginRegisterOnStoredInstanceCallback( OrthancPlugins::GetGlobalContext(), OnStoredInstanceCallback); storedInstanceCallback_ = callback; Py_XINCREF(storedInstanceCallback_); Py_INCREF(Py_None); return Py_None; } void FinalizeOnStoredInstanceCallback() { PythonLock lock; if (storedInstanceCallback_ != NULL) { Py_XDECREF(storedInstanceCallback_); } }