Mercurial > hg > orthanc-python
annotate Sources/PythonFunction.cpp @ 227:9574f06d8588 default tip
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| author | Alain Mazy <am@orthanc.team> |
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| date | Tue, 24 Sep 2024 08:54:11 +0200 |
| parents | 3678a028f1f6 |
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| rev | line source |
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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 |
| 0 | 6 /** |
| 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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10 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 0 | 11 * |
| 12 * This program is free software: you can redistribute it and/or | |
| 13 * modify it under the terms of the GNU Affero General Public License | |
| 14 * as published by the Free Software Foundation, either version 3 of | |
| 15 * the License, or (at your option) any later version. | |
| 16 * | |
| 17 * This program is distributed in the hope that it will be useful, but | |
| 18 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 20 * Affero General Public License for more details. | |
| 21 * | |
| 22 * You should have received a copy of the GNU Affero General Public License | |
| 23 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 24 **/ | |
| 25 | |
| 26 | |
| 27 #include "PythonFunction.h" | |
| 28 | |
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29 #include "../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h" |
| 0 | 30 #include "PythonModule.h" |
| 31 | |
| 32 | |
| 33 PythonObject* PythonFunction::CallUnchecked(PyObject* args) | |
| 34 { | |
| 35 if (!IsValid()) | |
| 36 { | |
| 37 ORTHANC_PLUGINS_THROW_EXCEPTION(BadSequenceOfCalls); | |
| 38 } | |
| 39 else | |
| 40 { | |
| 41 PyObject* obj = PyObject_CallObject(func_->GetPyObject(), args); | |
| 42 return new PythonObject(lock_, obj); | |
| 43 } | |
| 44 } | |
| 45 | |
| 46 | |
| 47 PythonFunction::PythonFunction(PythonLock& lock, | |
| 13 | 48 const PythonModule& module, |
| 0 | 49 const std::string& name) : |
| 50 lock_(lock) | |
| 51 { | |
| 52 if (module.IsValid() && | |
| 53 // This check is necessary in Python 2.7, otherwise garbage collector might crash | |
| 54 PyObject_HasAttrString(module.GetPyObject(), name.c_str())) | |
| 55 { | |
| 56 func_.reset(module.GetObject().GetAttribute(name)); | |
| 57 | |
| 58 if (func_.get() == NULL || | |
| 59 !func_->IsValid() || | |
| 60 !PyCallable_Check(func_->GetPyObject())) | |
| 61 { | |
| 62 func_.reset(); // Not such a function | |
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63 ORTHANC_PLUGINS_LOG_WARNING("Missing Python function: " + module.GetName() + "." + name + "()"); |
| 0 | 64 } |
| 65 } | |
| 66 } | |
| 67 | |
| 68 | |
| 69 PythonObject* PythonFunction::Call() | |
| 70 { | |
| 71 std::unique_ptr<PythonObject> result(CallUnchecked(NULL)); | |
| 72 | |
| 73 std::string error; | |
| 74 if (lock_.HasErrorOccurred(error)) | |
| 75 { | |
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76 ORTHANC_PLUGINS_LOG_ERROR("Python exception has occurred, traceback:\n" + error); |
| 0 | 77 ORTHANC_PLUGINS_THROW_EXCEPTION(Plugin); |
| 78 } | |
| 79 else | |
| 80 { | |
| 81 return result.release(); | |
| 82 } | |
| 83 } | |
| 84 | |
| 85 | |
| 13 | 86 PythonObject* PythonFunction::Call(const PythonObject& args) |
| 0 | 87 { |
| 88 std::unique_ptr<PythonObject> result(CallUnchecked(args.GetPyObject())); | |
| 89 | |
| 90 std::string error; | |
| 91 if (lock_.HasErrorOccurred(error)) | |
| 92 { | |
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93 ORTHANC_PLUGINS_LOG_ERROR("Python exception has occurred, traceback:\n" + error); |
| 0 | 94 ORTHANC_PLUGINS_THROW_EXCEPTION(Plugin); |
| 95 } | |
| 96 else | |
| 97 { | |
| 98 return result.release(); | |
| 99 } | |
| 100 } |