annotate Sources/OnStoredInstanceCallback.cpp @ 79:068551520123

New Python function: "orthanc.RegisterStorageArea()"
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 12 Aug 2021 17:52:17 +0200
parents 0b3ef425db31
children 627b8a19fb9f
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1 /**
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2 * Python plugin for Orthanc
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23f3099bed47 upgrade to year 2021
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3 * Copyright (C) 2020-2021 Osimis S.A., Belgium
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4 *
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5 * This program is free software: you can redistribute it and/or
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6 * modify it under the terms of the GNU Affero General Public License
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7 * as published by the Free Software Foundation, either version 3 of
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8 * the License, or (at your option) any later version.
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9 *
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10 * This program is distributed in the hope that it will be useful, but
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11 * WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 * Affero General Public License for more details.
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14 *
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15 * You should have received a copy of the GNU Affero General Public License
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16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 **/
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20 #include "OnStoredInstanceCallback.h"
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22 #include "../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h"
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23 #include "Autogenerated/sdk.h"
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24 #include "ICallbackRegistration.h"
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25 #include "PythonString.h"
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28 static PyObject* storedInstanceCallback_ = NULL;
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31 static OrthancPluginErrorCode OnStoredInstanceCallback(const OrthancPluginDicomInstance *instance,
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32 const char *instanceId)
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33 {
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34 try
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35 {
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36 PythonLock lock;
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38 /**
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39 * Construct an instance object of the "orthanc.RestOutput"
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40 * class. This is done by calling the constructor function
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41 * "sdk_OrthancPluginRestOutput_Type".
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42 **/
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43 PythonObject args(lock, PyTuple_New(2));
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44 PyTuple_SetItem(args.GetPyObject(), 0, PyLong_FromSsize_t((intptr_t) instance));
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45 PyTuple_SetItem(args.GetPyObject(), 1, PyBool_FromLong(true /* borrowed, don't destruct */));
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32de70a1e4c7 New functions from the SDK wrapped in Python: CreateDicom, RegisterFindCallback, RegisterMoveCallback
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46 PyObject *pInst = PyObject_CallObject((PyObject*) GetOrthancPluginDicomInstanceType(), args.GetPyObject());
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48 /**
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49 * Construct the arguments tuple (output, uri)
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50 **/
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51 PythonString str(lock, instanceId);
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53 PythonObject args2(lock, PyTuple_New(2));
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54 PyTuple_SetItem(args2.GetPyObject(), 0, pInst);
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55 PyTuple_SetItem(args2.GetPyObject(), 1, str.Release());
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57 PythonObject result(lock, PyObject_CallObject(storedInstanceCallback_, args2.GetPyObject()));
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59 std::string traceback;
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60 if (lock.HasErrorOccurred(traceback))
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61 {
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62 OrthancPlugins::LogError("Error in the Python on-change callback, "
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63 "traceback:\n" + traceback);
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64 return OrthancPluginErrorCode_Plugin;
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65 }
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66 else
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67 {
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68 return OrthancPluginErrorCode_Success;
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69 }
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70 }
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71 catch (OrthancPlugins::PluginException& e)
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72 {
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73 return e.GetErrorCode();
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74 }
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75 }
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78 PyObject* RegisterOnStoredInstanceCallback(PyObject* module, PyObject* args)
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79 {
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80 // The GIL is locked at this point (no need to create "PythonLock")
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82 class Registration : public ICallbackRegistration
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83 {
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84 public:
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85 virtual void Register() ORTHANC_OVERRIDE
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86 {
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87 OrthancPluginRegisterOnStoredInstanceCallback(
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88 OrthancPlugins::GetGlobalContext(), OnStoredInstanceCallback);
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89 }
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90 };
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92 Registration registration;
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93 return ICallbackRegistration::Apply(
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94 registration, args, storedInstanceCallback_, "Python on-stored-instance callback");
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95 }
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98 void FinalizeOnStoredInstanceCallback()
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99 {
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100 ICallbackRegistration::Unregister(storedInstanceCallback_);
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101 }