Mercurial > hg > orthanc-python

annotate Sources/StorageArea.cpp @ 112:b3a18e333f93

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integration 4.0->mainline
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 28 Mar 2023 17:28:16 +0200
parents eb6ac5a801d1
children 65ec5597ec70
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1 /**
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2 * Python plugin for Orthanc
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3 * Copyright (C) 2020-2022 Osimis S.A., Belgium
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4 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU Affero General Public License
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8 * as published by the Free Software Foundation, either version 3 of
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9 * the License, or (at your option) any later version.
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10 *
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11 * This program is distributed in the hope that it will be useful, but
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * Affero General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU Affero General Public License
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17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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18 **/
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19
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20
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21 #include "StorageArea.h"
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22
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23 #include "../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h"
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24 #include "PythonString.h"
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25
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26
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27 static PyObject* createCallback_ = NULL;
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28 static PyObject* readCallback_ = NULL;
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29 static PyObject* removeCallback_ = NULL;
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30
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31
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32 static OrthancPluginErrorCode RunCallback(PythonLock& lock,
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33 PyObject* callback,
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ad31ac9a6fef cppcheck
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34 const PythonObject& args,
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35 const std::string& name)
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36 {
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37 PythonObject result(lock, PyObject_CallObject(callback, args.GetPyObject()));
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38
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39 std::string traceback;
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40 if (lock.HasErrorOccurred(traceback))
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41 {
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42 OrthancPlugins::LogError("Error in the Python " + name + " callback, traceback:\n" + traceback);
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43 return OrthancPluginErrorCode_Plugin;
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44 }
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45 else
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46 {
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47 return OrthancPluginErrorCode_Success;
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48 }
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49 }
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51
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52 static OrthancPluginErrorCode StorageCreate(const char *uuid,
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53 const void *content,
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54 int64_t size,
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55 OrthancPluginContentType type)
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56 {
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57 try
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58 {
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59 if (createCallback_ == NULL)
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60 {
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61 throw OrthancPlugins::PluginException(OrthancPluginErrorCode_InternalError);
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62 }
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63
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64 PythonLock lock;
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65
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66 PythonObject args(lock, PyTuple_New(3));
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67
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68 PythonString str(lock, uuid);
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69 PyTuple_SetItem(args.GetPyObject(), 0, str.Release());
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70 PyTuple_SetItem(args.GetPyObject(), 1, PyLong_FromLong(type));
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71 PyTuple_SetItem(args.GetPyObject(), 2, PyBytes_FromStringAndSize(reinterpret_cast<const char*>(content), size));
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72
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73 return RunCallback(lock, createCallback_, args, "StorageCreate");
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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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81
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82 static OrthancPluginErrorCode StorageRead(void **content,
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83 int64_t *size,
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84 const char *uuid,
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85 OrthancPluginContentType type)
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86 {
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87 try
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88 {
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89 if (readCallback_ == NULL)
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90 {
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91 throw OrthancPlugins::PluginException(OrthancPluginErrorCode_InternalError);
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92 }
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93
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94 PythonLock lock;
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95
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96 PythonObject args(lock, PyTuple_New(2));
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97
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98 PythonString str(lock, uuid);
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99 PyTuple_SetItem(args.GetPyObject(), 0, str.Release());
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100 PyTuple_SetItem(args.GetPyObject(), 1, PyLong_FromLong(type));
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101
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102 PythonObject result(lock, PyObject_CallObject(readCallback_, args.GetPyObject()));
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103
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104 std::string traceback;
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105 if (lock.HasErrorOccurred(traceback))
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106 {
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107 OrthancPlugins::LogError("Error in the Python StorageRead callback, traceback:\n" + traceback);
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108 return OrthancPluginErrorCode_Plugin;
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109 }
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110 else if (!PyBytes_Check(result.GetPyObject()))
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111 {
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112 OrthancPlugins::LogError("The Python StorageRead callback has not returned a byte array as expected");
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113 return OrthancPluginErrorCode_Plugin;
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114 }
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115 else
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116 {
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117 char* pythonBuffer = NULL;
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118 Py_ssize_t pythonSize = 0;
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119 if (PyBytes_AsStringAndSize(result.GetPyObject(), &pythonBuffer, &pythonSize) == 1)
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120 {
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121 OrthancPlugins::LogError("Cannot access the byte buffer returned by the Python StorageRead callback");
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122 return OrthancPluginErrorCode_Plugin;
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123 }
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124 else
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125 {
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126 if (pythonSize == 0)
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127 {
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128 *content = NULL;
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129 *size = 0;
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130 }
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131 else
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132 {
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133 *content = malloc(pythonSize);
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
134 *size = pythonSize;
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
135 if (*content == NULL)
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
136 {
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
137 return OrthancPluginErrorCode_NotEnoughMemory;
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
138 }
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
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139
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
140 memcpy(*content, pythonBuffer, pythonSize);
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
141 }
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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142
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
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143 return OrthancPluginErrorCode_Success;
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
144 }
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
145 }
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
146 }
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
147 catch (OrthancPlugins::PluginException& e)
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
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148 {
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
149 return e.GetErrorCode();
068551520123 New Python function: "orthanc.RegisterStorageArea()"
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parents:
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150 }
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
151 }
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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152
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
153
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
154 static OrthancPluginErrorCode StorageRemove(const char *uuid,
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
155 OrthancPluginContentType type)
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
156 {
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
157 try
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
158 {
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
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159 if (removeCallback_ == NULL)
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
160 {
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
161 throw OrthancPlugins::PluginException(OrthancPluginErrorCode_InternalError);
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
162 }
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
163
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
164 PythonLock lock;
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
165
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
166 PythonObject args(lock, PyTuple_New(2));
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
167
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
168 PythonString str(lock, uuid);
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
169 PyTuple_SetItem(args.GetPyObject(), 0, str.Release());
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
170 PyTuple_SetItem(args.GetPyObject(), 1, PyLong_FromLong(type));
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
171
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
172 return RunCallback(lock, removeCallback_, args, "StorageRemove");
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
173 }
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
174 catch (OrthancPlugins::PluginException& e)
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
175 {
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
176 return e.GetErrorCode();
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
177 }
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
178 }
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
179
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
180
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
181 PyObject* RegisterStorageArea(PyObject* module, PyObject* args)
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
182 {
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
183 // The GIL is locked at this point (no need to create "PythonLock")
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
184
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
185 PyObject* a = NULL;
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
186 PyObject* b = NULL;
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
187 PyObject* c = NULL;
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
188
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
189 if (!PyArg_ParseTuple(args, "OOO", &a, &b, &c) ||
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
190 a == NULL ||
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
191 b == NULL ||
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
192 c == NULL)
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
193 {
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
194 PyErr_SetString(PyExc_ValueError, "Expected three callback functions to register a custom storage area");
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
195 return NULL;
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
196 }
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
197 else if (createCallback_ != NULL ||
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
198 readCallback_ != NULL ||
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
199 removeCallback_ != NULL)
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
200 {
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
201 PyErr_SetString(PyExc_RuntimeError, "Cannot register twice a custom storage area");
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
202 return NULL;
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
203 }
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
204 else
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
205 {
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
206 OrthancPlugins::LogInfo("Registering a custom storage area in Python");
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
207
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
208 OrthancPluginRegisterStorageArea(OrthancPlugins::GetGlobalContext(),
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
209 StorageCreate, StorageRead, StorageRemove);
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
210
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
211 createCallback_ = a;
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
212 Py_XINCREF(createCallback_);
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
213
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
214 readCallback_ = b;
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
215 Py_XINCREF(readCallback_);
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
216
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
217 removeCallback_ = c;
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
218 Py_XINCREF(removeCallback_);
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
219
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
220 Py_INCREF(Py_None);
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
221 return Py_None;
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
222 }
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
223 }
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
224
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
225
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
226 void FinalizeStorageArea()
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
227 {
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
228 PythonLock lock;
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
229
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
230 if (createCallback_ != NULL)
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
231 {
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
232 Py_XDECREF(createCallback_);
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
233 }
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
234
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
235 if (readCallback_ != NULL)
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
236 {
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
237 Py_XDECREF(readCallback_);
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
238 }
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
239
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
240 if (removeCallback_ != NULL)
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
241 {
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
242 Py_XDECREF(removeCallback_);
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
243 }
068551520123 New Python function: "orthanc.RegisterStorageArea()"
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
244 }