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97
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1 /**
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2 * Python plugin for Orthanc
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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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18
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19
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20 #include "IncomingInstanceFilter.h"
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21
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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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26
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27
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28 static PyObject* incomingCStoreInstanceFilter_ = NULL;
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29
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30
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31 static int32_t IncomingCStoreInstanceFilter(const OrthancPluginDicomInstance *instance)
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32 {
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33 try
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34 {
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35 PythonLock lock;
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36
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37 /**
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38 * Construct an instance object of the "orthanc.DicomInstance"
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39 * class. This is done by calling the constructor function
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40 * "sdk_OrthancPluginDicomInstance_Type".
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41 **/
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42 PythonObject args(lock, PyTuple_New(2));
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43 PyTuple_SetItem(args.GetPyObject(), 0, PyLong_FromSsize_t((intptr_t) instance));
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44 PyTuple_SetItem(args.GetPyObject(), 1, PyBool_FromLong(true /* borrowed, don't destruct */));
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45 PyObject *pInst = PyObject_CallObject((PyObject*) GetOrthancPluginDicomInstanceType(), args.GetPyObject());
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46
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47 /**
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48 * Construct the arguments tuple (instance)
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49 **/
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50 PythonObject args2(lock, PyTuple_New(1));
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51 PyTuple_SetItem(args2.GetPyObject(), 0, pInst);
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52
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53 PythonObject result(lock, PyObject_CallObject(incomingCStoreInstanceFilter_, args2.GetPyObject()));
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54
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55 std::string traceback;
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56 if (lock.HasErrorOccurred(traceback))
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57 {
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58 OrthancPlugins::LogError("Error in the Python incoming-cstore-instance callback, "
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59 "traceback:\n" + traceback);
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60 return -1;
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61 }
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62 else
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63 {
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64 if (PyLong_Check(result.GetPyObject()))
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65 {
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66 return static_cast<int32_t>(PyLong_AsLong(result.GetPyObject()));
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67 }
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68 else
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69 {
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70 OrthancPlugins::LogError("The Python incoming-cstore-instance filter has not returned an integer");
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71 return -1;
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72 }
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73 }
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74 }
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75 catch (OrthancPlugins::PluginException& e)
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76 {
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77 return e.GetErrorCode();
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78 }
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79 }
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80
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81
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82 PyObject* RegisterIncomingCStoreInstanceFilter(PyObject* module, PyObject* args)
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83 {
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84 // The GIL is locked at this point (no need to create "PythonLock")
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85
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86 class Registration : public ICallbackRegistration
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87 {
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88 public:
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89 virtual void Register() ORTHANC_OVERRIDE
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90 {
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91 OrthancPluginRegisterIncomingCStoreInstanceFilter(
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92 OrthancPlugins::GetGlobalContext(), IncomingCStoreInstanceFilter);
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93 }
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94 };
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95
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96 Registration registration;
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97 return ICallbackRegistration::Apply(
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98 registration, args, incomingCStoreInstanceFilter_, "Python incoming CStore instance filter");
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99 }
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100
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101
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102 void FinalizeIncomingCStoreInstanceFilter()
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103 {
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104 ICallbackRegistration::Unregister(incomingCStoreInstanceFilter_);
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105 }
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