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comparison Sources/ICallbackRegistration.cpp @ 63:32de70a1e4c7

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New functions from the SDK wrapped in Python: CreateDicom, RegisterFindCallback, RegisterMoveCallback
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 10 Jun 2021 18:19:27 +0200
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children eb6ac5a801d1
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62:d82eef8c98fc 63:32de70a1e4c7
1 /**
2 * Python plugin for Orthanc
3 * Copyright (C) 2020-2021 Osimis S.A., Belgium
4 *
5 * This program is free software: you can redistribute it and/or
6 * modify it under the terms of the GNU Affero General Public License
7 * as published by the Free Software Foundation, either version 3 of
8 * the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Affero General Public License for more details.
14 *
15 * You should have received a copy of the GNU Affero General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 **/
18
19
20 #include "ICallbackRegistration.h"
21
22 #include "../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h"
23 #include "PythonLock.h"
24
25 PyObject *ICallbackRegistration::Apply(ICallbackRegistration& registration,
26 PyObject* args,
27 PyObject*& singletonCallback,
28 const std::string& details)
29 {
30 // https://docs.python.org/3/extending/extending.html#calling-python-functions-from-c
31 PyObject* callback = NULL;
32
33 if (!PyArg_ParseTuple(args, "O", &callback) ||
34 callback == NULL)
35 {
36 const std::string message = "Expected a callback function to register one " + details;
37 PyErr_SetString(PyExc_ValueError, message.c_str());
38 return NULL;
39 }
40 else if (singletonCallback != NULL)
41 {
42 const std::string message = "Can only register one " + details;
43 PyErr_SetString(PyExc_RuntimeError, message.c_str());
44 return NULL;
45 }
46 else
47 {
48 OrthancPlugins::LogInfo("Registering one " + details);
49 registration.Register();
50
51 singletonCallback = callback;
52 Py_XINCREF(singletonCallback);
53
54 Py_INCREF(Py_None);
55 return Py_None;
56 }
57 }
58
59
60 void ICallbackRegistration::Unregister(PyObject*& singletonCallback)
61 {
62 PythonLock lock;
63
64 if (singletonCallback != NULL)
65 {
66 Py_XDECREF(singletonCallback);
67 }
68 }