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author Alain Mazy <am@orthanc.team>
date Tue, 24 Sep 2024 08:54:11 +0200
parents 3678a028f1f6
children
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1 /**
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2 * SPDX-FileCopyrightText: 2020-2023 Osimis S.A., 2024-2024 Orthanc Team SRL, 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain
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3 * SPDX-License-Identifier: AGPL-3.0-or-later
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4 */
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5
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6 /**
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7 * Python plugin for Orthanc
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8 * Copyright (C) 2020-2023 Osimis S.A., Belgium
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9 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium
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71d305c29cfa updated year to 2024
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10 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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11 *
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12 * This program is free software: you can redistribute it and/or
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13 * modify it under the terms of the GNU Affero General Public License
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14 * as published by the Free Software Foundation, either version 3 of
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15 * the License, or (at your option) any later version.
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16 *
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17 * This program is distributed in the hope that it will be useful, but
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18 * WITHOUT ANY WARRANTY; without even the implied warranty of
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19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 * Affero General Public License for more details.
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21 *
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22 * You should have received a copy of the GNU Affero General Public License
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23 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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24 **/
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25
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26
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27 #include "PythonObject.h"
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28
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29 #include "../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h"
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30 #include "PythonLock.h"
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31
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32
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33 PythonObject::PythonObject(PythonLock& lock,
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34 PyObject *object,
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35 bool borrowed) :
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36 lock_(lock),
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37 object_(object),
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38 borrowed_(borrowed)
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39 {
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40 }
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41
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42
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43 PythonObject::~PythonObject()
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44 {
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45 if (!borrowed_ &&
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46 object_ != NULL)
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47 {
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48 Py_DECREF(object_);
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49 }
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50 }
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52
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53 PyObject* PythonObject::GetPyObject() const
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54 {
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55 if (object_ == NULL)
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56 {
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57 // "IsValid()" should have been called
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58 ORTHANC_PLUGINS_THROW_EXCEPTION(BadSequenceOfCalls);
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59 }
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60 else
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61 {
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62 return object_;
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63 }
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64 }
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65
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66
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67 PythonObject* PythonObject::GetAttribute(const std::string& name)
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68 {
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69 return new PythonObject(lock_, PyObject_GetAttrString(GetPyObject(), name.c_str()));
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70 }
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71
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72
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73 bool PythonObject::ToUtf8String(std::string& target,
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74 PyObject* value)
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75 {
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76 if (value == NULL)
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77 {
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78 ORTHANC_PLUGINS_THROW_EXCEPTION(NullPointer);
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79 }
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80 else if (PyUnicode_Check(value))
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81 {
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82 PythonObject encoded(lock_, PyUnicode_AsEncodedString(value, "utf-8", "replace"));
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83 if (encoded.IsValid())
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84 {
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85 target = PyBytes_AS_STRING(encoded.GetPyObject());
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86 return true;
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87 }
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88 else
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89 {
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90 target.clear();
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91 return false;
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92 }
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93 }
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94 #if PY_MAJOR_VERSION == 2
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95 else if (PyString_Check(value))
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96 {
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97 target = PyString_AS_STRING(value);
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98 return true;
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99 }
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100 #endif
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101 else
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102 {
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103 target.clear();
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104 return false;
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105 }
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106 }
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107
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108
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109 void PythonObject::Format(std::ostream& os)
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110 {
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111 std::string s;
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112 if (object_ == NULL)
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113 {
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114 os << "Can't format a NULL Python object" << std::endl;
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115 }
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116 else if (ToUtf8String(s))
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117 {
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118 os << s;
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119 }
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120 else
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121 {
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122 os << "Can't format this Python object" << std::endl;
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123 }
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124 }
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125
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126
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127 PyObject* PythonObject::Release()
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128 {
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129 if (!borrowed_ &&
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130 object_ != NULL)
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131 {
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132 PyObject* value = object_;
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133 object_ = NULL;
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134 return value;
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135 }
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136 else
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137 {
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138 ORTHANC_PLUGINS_LOG_ERROR("Cannot release a NULL or borrowed reference");
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139 ORTHANC_PLUGINS_THROW_EXCEPTION(InternalError);
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140 }
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141 }
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142
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143
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144 void PythonObject::ConvertToJson(Json::Value& target,
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145 PyObject* source)
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146 {
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147 // WARNING: The order *is* important!
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148 if (source == Py_None)
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149 {
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150 target = Json::nullValue;
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151 }
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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152 else if (PyBool_Check(source))
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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153 {
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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154 target = (PyObject_IsTrue(source) ? true : false);
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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155 }
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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156 else if (PyLong_Check(source))
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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157 {
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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158 target = static_cast<int32_t>(PyLong_AsLong(source));
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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159 }
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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160 else if (PyFloat_Check(source))
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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161 {
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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162 target = PyFloat_AsDouble(source);
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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163 }
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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164 else if (PyNumber_Check(source))
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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165 {
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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166 PythonObject asLong(lock_, PyNumber_Long(source));
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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167 if (PyLong_Check(asLong.GetPyObject()))
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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168 {
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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169 target = static_cast<int32_t>(PyLong_AsLong(asLong.GetPyObject()));
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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170 }
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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171 else
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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172 {
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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173 ORTHANC_PLUGINS_THROW_EXCEPTION(InternalError);
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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174 }
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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175 }
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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176 else if (PyUnicode_Check(source))
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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177 {
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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178 std::string s;
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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179 if (ToUtf8String(s, source))
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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180 {
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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181 target = s;
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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182 }
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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183 else
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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184 {
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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185 ORTHANC_PLUGINS_THROW_EXCEPTION(NotImplemented);
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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186 }
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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187 }
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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188 #if PY_MAJOR_VERSION == 2
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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189 else if (PyString_Check(source))
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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190 {
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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191 target = PyString_AS_STRING(source);
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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192 }
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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193 #endif
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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194 else if (PySequence_Check(source)) // tuples or lists
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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195 {
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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196 Py_ssize_t size = PySequence_Size(source);
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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197
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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198 if (size < 0)
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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199 {
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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200 ORTHANC_PLUGINS_THROW_EXCEPTION(InternalError);
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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201 }
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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202
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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203 target = Json::arrayValue;
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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204 for (Py_ssize_t i = 0; i < size; i++)
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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205 {
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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206 Json::Value item;
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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207 ConvertToJson(item, PySequence_GetItem(source, i));
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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208 target.append(item);
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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209 }
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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210 }
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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211 else if (PyMapping_Check(source)) // dictionaries
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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212 {
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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213 PythonObject items(lock_, PyMapping_Items(source));
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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214
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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215 Py_ssize_t size = PySequence_Size(items.GetPyObject());
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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216
3dc37a5af1b1 new method PythonObject::ConvertToJson()
Sebastien Jodogne <s.jodogne@gmail.com>
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217 if (size < 0)
3dc37a5af1b1 new method PythonObject::ConvertToJson()
Sebastien Jodogne <s.jodogne@gmail.com>
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218 {
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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diff changeset
219 ORTHANC_PLUGINS_THROW_EXCEPTION(InternalError);
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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parents: 36
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220 }
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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221
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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diff changeset
222 for (Py_ssize_t i = 0; i < size; i++)
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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223 {
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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224 PyObject* pair = PySequence_GetItem(items.GetPyObject(), i);
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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225
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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226 std::string key;
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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227 Json::Value value;
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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228 if (pair != NULL &&
3dc37a5af1b1 new method PythonObject::ConvertToJson()
Sebastien Jodogne <s.jodogne@gmail.com>
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229 ToUtf8String(key, PySequence_GetItem(pair, 0)))
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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diff changeset
230 {
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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diff changeset
231 ConvertToJson(value, PySequence_GetItem(pair, 1));
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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diff changeset
232 target[key] = value;
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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233 }
3dc37a5af1b1 new method PythonObject::ConvertToJson()
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
234 else
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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235 {
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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diff changeset
236 ORTHANC_PLUGINS_THROW_EXCEPTION(InternalError);
3dc37a5af1b1 new method PythonObject::ConvertToJson()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 36
diff changeset
237 }
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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diff changeset
238 }
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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239 }
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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diff changeset
240 else
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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241 {
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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diff changeset
242 ORTHANC_PLUGINS_THROW_EXCEPTION(NotImplemented);
3dc37a5af1b1 new method PythonObject::ConvertToJson()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 36
diff changeset
243 }
3dc37a5af1b1 new method PythonObject::ConvertToJson()
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diff changeset
244 }