Mercurial > hg > orthanc-python
annotate Sources/Plugin.cpp @ 209:f6afd8edeb66
removed useless function
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 03 Jul 2024 13:24:26 +0200 |
| parents | 315e1720a35f |
| children | d7acfccc0d0b |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Python plugin for Orthanc | |
|
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3 * Copyright (C) 2020-2023 Osimis S.A., Belgium |
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4 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium |
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5 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 0 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU Affero General Public License | |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 11 * | |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 // http://edcjones.tripod.com/refcount.html | |
| 23 // https://docs.python.org/3/extending/extending.html | |
| 24 | |
| 25 // https://www.codevate.com/blog/7-concurrency-with-embedded-python-in-a-multi-threaded-c-application | |
| 26 // https://fr.slideshare.net/YiLungTsai/embed-python | |
| 27 | |
| 28 | |
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29 #include "DicomScpCallbacks.h" |
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30 #include "IncomingHttpRequestFilter.h" |
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31 #include "OnChangeCallback.h" |
| 0 | 32 #include "OnStoredInstanceCallback.h" |
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33 #include "IncomingInstanceFilter.h" |
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34 #include "ReceivedInstanceCallback.h" |
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35 #include "StorageArea.h" |
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36 #include "StorageCommitmentScpCallback.h" |
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37 |
| 0 | 38 #include "RestCallbacks.h" |
| 39 #include "PythonModule.h" | |
| 40 | |
| 41 #include "Autogenerated/sdk.h" | |
| 42 | |
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43 #include "../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h" |
| 0 | 44 |
| 45 #include <boost/algorithm/string/predicate.hpp> | |
| 46 #include <boost/filesystem.hpp> | |
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47 #include <boost/thread.hpp> |
| 0 | 48 |
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49 // The "dl_iterate_phdr()" function (to walk through shared libraries) |
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50 // is not available on Microsoft Windows and Apple OS X |
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51 #if defined(_WIN32) |
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52 # define HAS_DL_ITERATE 0 |
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53 #elif defined(__APPLE__) && defined(__MACH__) |
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54 # define HAS_DL_ITERATE 0 |
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55 #else |
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56 # define HAS_DL_ITERATE 1 |
| 0 | 57 #endif |
| 58 | |
| 59 | |
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60 #include "PythonString.h" |
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61 |
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62 PyObject* LookupDictionary(PyObject* module, PyObject* args) |
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63 { |
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64 const char* name = NULL; |
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65 |
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66 if (!PyArg_ParseTuple(args, "s", &name)) |
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67 { |
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68 PyErr_SetString(PyExc_TypeError, "Please provide a string containing the name of the DICOM tag of interest"); |
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69 return NULL; |
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70 } |
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71 else |
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72 { |
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73 OrthancPluginDictionaryEntry entry; |
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74 |
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75 OrthancPluginErrorCode code = OrthancPluginLookupDictionary(OrthancPlugins::GetGlobalContext(), &entry, name); |
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76 if (code == OrthancPluginErrorCode_Success) |
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77 { |
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78 /** |
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79 * "PyGILState_Ensure()" can be invoked several times from the |
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80 * same thread, so no problem in creating a PythonLock even if |
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81 * the GIL is already locked. |
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82 **/ |
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83 PythonLock lock; |
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84 |
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85 PythonObject dict(lock, PyDict_New()); |
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86 |
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87 { |
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88 PythonObject tmp(lock, PyLong_FromUnsignedLong(entry.group)); |
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89 PyDict_SetItemString(dict.GetPyObject(), "Group", tmp.GetPyObject()); |
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90 } |
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91 |
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92 { |
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93 PythonObject tmp(lock, PyLong_FromUnsignedLong(entry.element)); |
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94 PyDict_SetItemString(dict.GetPyObject(), "Element", tmp.GetPyObject()); |
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95 } |
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96 |
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97 { |
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98 PythonObject tmp(lock, PyLong_FromUnsignedLong(entry.vr)); |
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99 PyDict_SetItemString(dict.GetPyObject(), "ValueRepresentation", tmp.GetPyObject()); |
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100 } |
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101 |
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102 { |
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103 PythonObject tmp(lock, PyLong_FromUnsignedLong(entry.minMultiplicity)); |
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104 PyDict_SetItemString(dict.GetPyObject(), "MinMultiplicity", tmp.GetPyObject()); |
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105 } |
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106 |
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107 { |
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108 PythonObject tmp(lock, PyLong_FromUnsignedLong(entry.maxMultiplicity)); |
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109 PyDict_SetItemString(dict.GetPyObject(), "MaxMultiplicity", tmp.GetPyObject()); |
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110 } |
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111 |
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112 return dict.Release(); |
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113 } |
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114 else |
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115 { |
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116 std::string message = "Unknown DICOM tag: " + std::string(name); |
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117 PyErr_SetString(PyExc_TypeError, message.c_str()); |
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118 return NULL; |
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119 } |
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120 } |
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121 } |
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122 |
| 0 | 123 |
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124 PyObject* GetInstanceData(sdk_OrthancPluginDicomInstance_Object* self, PyObject *args) |
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125 { |
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126 // The GIL is locked at this point (no need to create "PythonLock") |
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127 |
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128 if (self->object_ == NULL) |
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129 { |
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130 PyErr_SetString(PyExc_ValueError, "Invalid object"); |
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131 return NULL; |
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132 } |
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133 else |
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134 { |
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135 OrthancPluginDicomInstance* instance = reinterpret_cast<sdk_OrthancPluginDicomInstance_Object*>(self)->object_; |
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136 |
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137 const void* data = OrthancPluginGetInstanceData(OrthancPlugins::GetGlobalContext(), instance); |
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138 size_t size = OrthancPluginGetInstanceSize(OrthancPlugins::GetGlobalContext(), instance); |
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139 |
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140 if (data == NULL && |
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141 size != 0) |
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142 { |
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143 PyErr_SetString(PyExc_ValueError, "Accessing an invalid orthanc.DicomInstance object"); |
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144 return NULL; |
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145 } |
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146 else |
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147 { |
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148 return PyBytes_FromStringAndSize(reinterpret_cast<const char*>(data), size); |
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149 } |
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150 } |
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151 } |
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152 |
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153 |
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154 /** |
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155 * Contrarily to "OrthancPluginGetImageBuffer()" that provides a |
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156 * read-write pointer, the method "orthanc.Image.GetImageBuffer()" |
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157 * returns a copy of the image buffer. Use "CreateImageFromBuffer()" |
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158 * to create an image from a Python buffer. |
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159 **/ |
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160 PyObject* GetImageBuffer(sdk_OrthancPluginImage_Object* self, PyObject *args) |
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161 { |
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162 // The GIL is locked at this point (no need to create "PythonLock") |
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163 |
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164 if (self->object_ == NULL) |
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165 { |
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166 PyErr_SetString(PyExc_ValueError, "Invalid object"); |
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167 return NULL; |
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168 } |
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169 else |
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170 { |
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171 OrthancPluginImage* image = reinterpret_cast<sdk_OrthancPluginImage_Object*>(self)->object_; |
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172 |
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173 const void* buffer = OrthancPluginGetImageBuffer(OrthancPlugins::GetGlobalContext(), image); |
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174 size_t size = (OrthancPluginGetImagePitch(OrthancPlugins::GetGlobalContext(), image) * |
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175 OrthancPluginGetImageHeight(OrthancPlugins::GetGlobalContext(), image)); |
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176 |
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177 if (buffer == NULL && |
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178 size != 0) |
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179 { |
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180 PyErr_SetString(PyExc_ValueError, "Accessing an invalid orthanc.Image object"); |
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181 return NULL; |
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182 } |
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183 else |
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184 { |
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185 return PyBytes_FromStringAndSize(reinterpret_cast<const char*>(buffer), size); |
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186 } |
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187 } |
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188 } |
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189 |
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190 |
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191 /** |
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192 * This function is the Python alternative for function |
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193 * "OrthancPluginCreateImageAccessor()". Indeed, it is not possible to |
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194 * share a memory buffer between Orthanc and Python, so we have to |
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195 * create a copy of the image. |
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196 **/ |
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197 PyObject* CreateImageFromBuffer(PyObject* module, PyObject* args) |
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198 { |
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199 // The GIL is locked at this point (no need to create "PythonLock") |
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200 |
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201 unsigned long format, width, height, sourcePitch; |
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202 Py_buffer buffer; |
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203 |
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204 if (!PyArg_ParseTuple(args, "kkkks*", &format, &width, &height, &sourcePitch, &buffer)) |
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205 { |
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206 PyErr_SetString(PyExc_TypeError, "5 arguments are needed: image.PixelFormat, width, height, pitch and memory buffer"); |
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207 return NULL; |
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208 } |
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209 else if (static_cast<Py_ssize_t>(sourcePitch * height) != buffer.len) |
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210 { |
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211 PyBuffer_Release(&buffer); |
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212 |
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213 PyErr_SetString(PyExc_TypeError, "The size of the memory buffer must match the product of height by pitch"); |
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214 return NULL; |
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215 } |
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216 else |
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217 { |
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218 OrthancPluginImage* image = OrthancPluginCreateImage( |
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219 OrthancPlugins::GetGlobalContext(), static_cast<OrthancPluginPixelFormat>(format), width, height); |
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220 |
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221 if (image == NULL) |
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222 { |
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223 PyBuffer_Release(&buffer); |
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224 |
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225 PyErr_SetString(PyExc_ValueError, "Cannot create the image"); |
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226 return NULL; |
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227 } |
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228 else |
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229 { |
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230 // Copy the image line by line |
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231 unsigned long targetPitch = OrthancPluginGetImagePitch(OrthancPlugins::GetGlobalContext(), image); |
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232 |
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233 const uint8_t* sourcePixels = reinterpret_cast<const uint8_t*>(buffer.buf); |
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234 uint8_t* targetPixels = reinterpret_cast<uint8_t*>(OrthancPluginGetImageBuffer(OrthancPlugins::GetGlobalContext(), image)); |
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235 |
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236 unsigned long rowSize = std::min(sourcePitch, targetPitch); |
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237 |
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238 for (unsigned int y = 0; y < height; y++) |
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239 { |
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240 memcpy(targetPixels, sourcePixels, rowSize); |
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241 targetPixels += targetPitch; |
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242 sourcePixels += sourcePitch; |
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243 } |
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244 |
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245 PyBuffer_Release(&buffer); |
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246 |
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247 { |
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248 PyObject *argList = Py_BuildValue("Lb", image, false /* not borrowed */); |
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249 PyObject *python = PyObject_CallObject((PyObject *) GetOrthancPluginImageType(), argList); |
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250 Py_DECREF(argList); |
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251 return python; |
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252 } |
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253 } |
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254 } |
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255 } |
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256 |
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257 |
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63
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258 |
| 0 | 259 static bool pythonEnabled_ = false; |
| 260 static std::string userScriptName_; | |
| 261 static std::vector<PyMethodDef> globalFunctions_; | |
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262 static boost::thread displayMemoryUsageThread_; |
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263 static bool displayMemoryUsageStopping_ = false; |
| 0 | 264 |
| 265 | |
| 266 static void SetupGlobalFunctions() | |
| 267 { | |
| 268 if (!globalFunctions_.empty()) | |
| 269 { | |
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270 return; |
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271 // ORTHANC_PLUGINS_THROW_EXCEPTION(BadSequenceOfCalls); |
| 0 | 272 } |
| 273 | |
| 274 /** | |
| 275 * Add all the manual global functions | |
| 276 **/ | |
| 277 | |
| 278 std::list<PyMethodDef> functions; | |
| 279 | |
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280 |
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281 /** |
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282 * New in release 3.2 |
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63
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283 **/ |
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284 |
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285 { |
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286 PyMethodDef f = { "RegisterFindCallback", RegisterFindCallback, METH_VARARGS, "" }; |
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287 functions.push_back(f); |
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288 } |
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289 |
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290 { |
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291 PyMethodDef f = { "RegisterMoveCallback", RegisterMoveCallback, METH_VARARGS, "" }; |
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292 functions.push_back(f); |
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293 } |
|
151
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294 |
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295 { |
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296 PyMethodDef f = { "RegisterMoveCallback2", RegisterMoveCallback2, METH_VARARGS, "" }; |
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297 functions.push_back(f); |
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298 } |
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299 |
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300 { |
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301 PyMethodDef f = { "RegisterWorklistCallback", RegisterWorklistCallback, METH_VARARGS, "" }; |
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302 functions.push_back(f); |
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303 } |
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304 |
| 0 | 305 |
| 306 /** | |
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307 * New in release 3.3 |
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308 **/ |
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309 |
|
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310 { |
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311 PyMethodDef f = { "RegisterStorageArea", RegisterStorageArea, METH_VARARGS, "" }; |
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312 functions.push_back(f); |
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313 } |
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314 |
|
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315 |
|
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316 /** |
|
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317 * New in release 3.5 |
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318 **/ |
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319 |
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320 { |
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321 PyMethodDef f = { "RegisterIncomingCStoreInstanceFilter", RegisterIncomingCStoreInstanceFilter, METH_VARARGS, "" }; |
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322 functions.push_back(f); |
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323 } |
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324 |
|
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325 { |
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326 PyMethodDef f = { "RegisterReceivedInstanceCallback", RegisterReceivedInstanceCallback, METH_VARARGS, "" }; |
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327 functions.push_back(f); |
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328 } |
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329 |
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330 /** |
|
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331 * New in release 4.1 |
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332 **/ |
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333 |
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334 { |
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335 PyMethodDef f = { "RegisterStorageCommitmentScpCallback", RegisterStorageCommitmentScpCallback, METH_VARARGS, "" }; |
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336 functions.push_back(f); |
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337 } |
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338 |
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339 /** |
| 0 | 340 * Append all the global functions that were automatically generated |
| 341 **/ | |
| 342 | |
| 343 const PyMethodDef* sdk = GetOrthancSdkFunctions(); | |
| 344 | |
| 345 for (size_t i = 0; sdk[i].ml_name != NULL; i++) | |
| 346 { | |
| 347 functions.push_back(sdk[i]); | |
| 348 } | |
| 349 | |
| 350 /** | |
| 351 * Flatten the list of functions into the vector | |
| 352 **/ | |
| 353 | |
| 354 globalFunctions_.resize(functions.size()); | |
| 355 std::copy(functions.begin(), functions.end(), globalFunctions_.begin()); | |
| 356 | |
| 357 PyMethodDef sentinel = { NULL }; | |
| 358 globalFunctions_.push_back(sentinel); | |
| 359 } | |
| 360 | |
| 361 | |
| 362 static PyMethodDef* GetGlobalFunctions() | |
| 363 { | |
| 364 if (globalFunctions_.empty()) | |
| 365 { | |
| 366 // "SetupGlobalFunctions()" should have been called | |
| 367 ORTHANC_PLUGINS_THROW_EXCEPTION(BadSequenceOfCalls); | |
| 368 } | |
| 369 else | |
| 370 { | |
| 371 return &globalFunctions_[0]; | |
| 372 } | |
| 373 } | |
| 374 | |
| 375 | |
| 376 | |
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377 #if HAS_DL_ITERATE == 1 |
| 0 | 378 |
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379 #include <dlfcn.h> |
| 0 | 380 #include <link.h> // For dl_phdr_info |
| 381 | |
| 382 static int ForceImportCallback(struct dl_phdr_info *info, size_t size, void *data) | |
| 383 { | |
| 384 /** | |
| 385 * The following line solves the error: "ImportError: | |
| 386 * /usr/lib/python2.7/dist-packages/PIL/_imaging.x86_64-linux-gnu.so: | |
| 387 * undefined symbol: PyExc_SystemError" | |
| 388 * https://stackoverflow.com/a/48517485/881731 | |
| 389 * | |
| 390 * dlopen("/usr/lib/x86_64-linux-gnu/libpython2.7.so", RTLD_NOW | RTLD_LAZY | RTLD_GLOBAL); | |
| 391 * | |
| 392 * Another fix consists in using LD_PRELOAD as follows: | |
| 393 * LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libpython2.7.so ~/Subversion/orthanc/i/Orthanc tutu.json | |
| 394 **/ | |
| 395 | |
| 396 std::string module(info->dlpi_name); | |
| 397 | |
| 398 if (module.find("python") != std::string::npos) | |
| 399 { | |
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400 ORTHANC_PLUGINS_LOG_WARNING("Force global loading of Python shared library: " + module); |
| 0 | 401 dlopen(module.c_str(), RTLD_NOW | RTLD_LAZY | RTLD_GLOBAL); |
| 402 } | |
| 403 | |
| 404 return 0; | |
| 405 } | |
| 406 | |
| 407 #endif | |
| 408 | |
| 409 | |
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410 static void DisplayMemoryUsageThread() |
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411 { |
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412 { |
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413 PythonLock lock; |
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414 lock.ExecuteCommand("import tracemalloc"); |
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415 lock.ExecuteCommand("tracemalloc.start()"); |
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416 } |
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417 |
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418 while (!displayMemoryUsageStopping_) |
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419 { |
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420 { |
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421 PythonLock lock; |
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422 lock.ExecuteCommand("print('Python memory usage: %0.03fMB' % " |
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423 "(tracemalloc.get_traced_memory() [0] / (1024.0 * 1024.0)))"); |
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424 } |
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425 |
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426 boost::this_thread::sleep(boost::posix_time::seconds(1)); |
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427 } |
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428 } |
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429 |
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430 |
| 0 | 431 extern "C" |
| 432 { | |
| 433 ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* c) | |
| 434 { | |
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435 OrthancPlugins::SetGlobalContext(c, PLUGIN_NAME); |
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436 ORTHANC_PLUGINS_LOG_WARNING("Python plugin is initializing"); |
| 0 | 437 |
| 438 | |
| 439 /* Check the version of the Orthanc core */ | |
| 440 if (OrthancPluginCheckVersion(c) == 0) | |
| 441 { | |
| 442 char info[1024]; | |
| 443 sprintf(info, "Your version of Orthanc (%s) must be above %d.%d.%d to run this plugin", | |
| 444 c->orthancVersion, | |
| 445 ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER, | |
| 446 ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER, | |
| 447 ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER); | |
| 448 OrthancPluginLogError(c, info); | |
| 449 return -1; | |
| 450 } | |
| 11 | 451 |
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452 OrthancPlugins::SetDescription(PLUGIN_NAME, "Run Python scripts as Orthanc plugins"); |
| 11 | 453 |
| 0 | 454 try |
| 455 { | |
| 456 /** | |
| 457 * Detection of the user script | |
| 458 **/ | |
| 459 | |
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460 OrthancPlugins::OrthancConfiguration globalConfig; |
| 0 | 461 |
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462 OrthancPlugins::OrthancConfiguration pythonConfig; |
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463 globalConfig.GetSection(pythonConfig, "Python"); |
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464 |
| 0 | 465 std::string script; |
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466 if (!globalConfig.LookupStringValue(script, "PythonScript") && |
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467 !pythonConfig.LookupStringValue(script, "Path")) |
| 0 | 468 { |
| 469 pythonEnabled_ = false; | |
| 470 | |
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471 ORTHANC_PLUGINS_LOG_WARNING("Options \"PythonScript\" and \"Python.Path\" are not provided: " |
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472 "Python scripting is disabled"); |
| 0 | 473 } |
| 474 else | |
| 475 { | |
| 476 pythonEnabled_ = true; | |
| 477 | |
| 478 /** | |
| 479 * Installation of the user script | |
| 480 **/ | |
| 481 | |
| 482 const boost::filesystem::path path(script); | |
| 483 if (!boost::iequals(path.extension().string(), ".py")) | |
| 484 { | |
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485 ORTHANC_PLUGINS_LOG_ERROR("Python script must have the \".py\" file extension: " + |
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486 path.string()); |
| 0 | 487 return -1; |
| 488 } | |
| 489 | |
| 490 if (!boost::filesystem::is_regular_file(path)) | |
| 491 { | |
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492 ORTHANC_PLUGINS_LOG_ERROR("Inexistent directory for the Python script: " + |
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493 path.string()); |
| 0 | 494 return -1; |
| 495 } | |
| 496 | |
| 497 boost::filesystem::path userScriptDirectory = boost::filesystem::absolute(path).parent_path(); | |
| 498 | |
| 499 { | |
| 500 boost::filesystem::path module = path.filename().replace_extension(""); | |
| 501 userScriptName_ = module.string(); | |
| 502 } | |
| 503 | |
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504 ORTHANC_PLUGINS_LOG_WARNING("Using Python script \"" + userScriptName_ + |
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505 ".py\" from directory: " + userScriptDirectory.string()); |
| 0 | 506 |
| 507 | |
| 508 /** | |
| 509 * Initialization of Python | |
| 510 **/ | |
| 511 | |
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512 const bool isVerbose = (globalConfig.GetBooleanValue("PythonVerbose", false) || |
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513 pythonConfig.GetBooleanValue("Verbose", false)); |
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514 |
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515 #if HAS_DL_ITERATE == 1 |
| 0 | 516 dl_iterate_phdr(ForceImportCallback, NULL); |
| 517 #endif | |
| 518 | |
| 519 SetupGlobalFunctions(); | |
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520 PythonLock::GlobalInitialize("orthanc", "OrthancException", GetGlobalFunctions, RegisterOrthancSdk, isVerbose); |
| 0 | 521 PythonLock::AddSysPath(userScriptDirectory.string()); |
| 522 | |
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523 if (pythonConfig.GetBooleanValue("DisplayMemoryUsage", false)) |
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524 { |
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525 displayMemoryUsageThread_ = boost::thread(DisplayMemoryUsageThread); |
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526 } |
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527 |
| 0 | 528 |
| 529 /** | |
| 530 * Force loading the declarations in the user script | |
| 531 **/ | |
| 532 | |
| 533 PythonLock lock; | |
| 534 | |
| 535 { | |
| 536 PythonModule module(lock, userScriptName_); | |
| 537 } | |
| 538 | |
| 539 std::string traceback; | |
| 540 if (lock.HasErrorOccurred(traceback)) | |
| 541 { | |
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542 ORTHANC_PLUGINS_LOG_ERROR("Error during the installation of the Python script, " |
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543 "traceback:\n" + traceback); |
| 0 | 544 return -1; |
| 545 } | |
| 546 } | |
| 547 } | |
| 548 catch (ORTHANC_PLUGINS_EXCEPTION_CLASS& e) | |
| 549 { | |
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550 ORTHANC_PLUGINS_LOG_ERROR("Exception while starting the Python plugin: " + |
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551 std::string(e.What(c))); |
| 0 | 552 return -1; |
| 553 } | |
| 554 | |
| 555 return 0; | |
| 556 } | |
| 557 | |
| 558 | |
| 559 ORTHANC_PLUGINS_API void OrthancPluginFinalize() | |
| 560 { | |
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561 ORTHANC_PLUGINS_LOG_WARNING("Python plugin is finalizing"); |
| 0 | 562 |
| 563 if (pythonEnabled_) | |
| 564 { | |
| 565 FinalizeOnChangeCallback(); | |
| 566 FinalizeRestCallbacks(); | |
| 567 FinalizeOnStoredInstanceCallback(); | |
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568 FinalizeIncomingHttpRequestFilter(); |
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569 FinalizeDicomScpCallbacks(); |
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570 |
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571 displayMemoryUsageStopping_ = true; |
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572 |
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573 if (displayMemoryUsageThread_.joinable()) |
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574 { |
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575 displayMemoryUsageThread_.join(); |
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576 } |
| 0 | 577 |
| 578 PythonLock::GlobalFinalize(); | |
| 579 } | |
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580 |
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581 OrthancPlugins::ResetGlobalContext(); |
| 0 | 582 } |
| 583 | |
| 584 | |
| 585 ORTHANC_PLUGINS_API const char* OrthancPluginGetName() | |
| 586 { | |
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587 return PLUGIN_NAME; |
| 0 | 588 } |
| 589 | |
| 590 | |
| 591 ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion() | |
| 592 { | |
| 593 return PLUGIN_VERSION; | |
| 594 } | |
| 595 } |