Mercurial > hg > orthanc-python
annotate Sources/PythonFunction.cpp @ 95:c17cdaf687e3
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 15 Sep 2021 11:52:30 +0200 |
| parents | 0b3ef425db31 |
| children | eb6ac5a801d1 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Python plugin for Orthanc | |
|
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upgrade to year 2021
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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3 * Copyright (C) 2020-2021 Osimis S.A., Belgium |
| 0 | 4 * |
| 5 * This program is free software: you can redistribute it and/or | |
| 6 * modify it under the terms of the GNU Affero General Public License | |
| 7 * as published by the Free Software Foundation, either version 3 of | |
| 8 * the License, or (at your option) any later version. | |
| 9 * | |
| 10 * This program is distributed in the hope that it will be useful, but | |
| 11 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 * Affero General Public License for more details. | |
| 14 * | |
| 15 * You should have received a copy of the GNU Affero General Public License | |
| 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 17 **/ | |
| 18 | |
| 19 | |
| 20 #include "PythonFunction.h" | |
| 21 | |
|
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0b3ef425db31
refactoring using ICallbackRegistration::Apply()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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22 #include "../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h" |
| 0 | 23 #include "PythonModule.h" |
| 24 | |
| 25 | |
| 26 PythonObject* PythonFunction::CallUnchecked(PyObject* args) | |
| 27 { | |
| 28 if (!IsValid()) | |
| 29 { | |
| 30 ORTHANC_PLUGINS_THROW_EXCEPTION(BadSequenceOfCalls); | |
| 31 } | |
| 32 else | |
| 33 { | |
| 34 PyObject* obj = PyObject_CallObject(func_->GetPyObject(), args); | |
| 35 return new PythonObject(lock_, obj); | |
| 36 } | |
| 37 } | |
| 38 | |
| 39 | |
| 40 PythonFunction::PythonFunction(PythonLock& lock, | |
| 13 | 41 const PythonModule& module, |
| 0 | 42 const std::string& name) : |
| 43 lock_(lock) | |
| 44 { | |
| 45 if (module.IsValid() && | |
| 46 // This check is necessary in Python 2.7, otherwise garbage collector might crash | |
| 47 PyObject_HasAttrString(module.GetPyObject(), name.c_str())) | |
| 48 { | |
| 49 func_.reset(module.GetObject().GetAttribute(name)); | |
| 50 | |
| 51 if (func_.get() == NULL || | |
| 52 !func_->IsValid() || | |
| 53 !PyCallable_Check(func_->GetPyObject())) | |
| 54 { | |
| 55 func_.reset(); // Not such a function | |
| 56 OrthancPlugins::LogWarning("Missing Python function: " + module.GetName() + | |
| 57 "." + name + "()"); | |
| 58 } | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 | |
| 63 PythonObject* PythonFunction::Call() | |
| 64 { | |
| 65 std::unique_ptr<PythonObject> result(CallUnchecked(NULL)); | |
| 66 | |
| 67 std::string error; | |
| 68 if (lock_.HasErrorOccurred(error)) | |
| 69 { | |
| 70 OrthancPlugins::LogError("Python exception has occurred, traceback:\n" + error); | |
| 71 ORTHANC_PLUGINS_THROW_EXCEPTION(Plugin); | |
| 72 } | |
| 73 else | |
| 74 { | |
| 75 return result.release(); | |
| 76 } | |
| 77 } | |
| 78 | |
| 79 | |
| 13 | 80 PythonObject* PythonFunction::Call(const PythonObject& args) |
| 0 | 81 { |
| 82 std::unique_ptr<PythonObject> result(CallUnchecked(args.GetPyObject())); | |
| 83 | |
| 84 std::string error; | |
| 85 if (lock_.HasErrorOccurred(error)) | |
| 86 { | |
| 87 OrthancPlugins::LogError("Python exception has occurred, traceback:\n" + error); | |
| 88 ORTHANC_PLUGINS_THROW_EXCEPTION(Plugin); | |
| 89 } | |
| 90 else | |
| 91 { | |
| 92 return result.release(); | |
| 93 } | |
| 94 } |