From 56809b0359af7e9108adeb1fd21823a225edf6fa Mon Sep 17 00:00:00 2001 From: Willem Jan Palenstijn Date: Wed, 20 Jan 2016 18:08:59 +0100 Subject: Remove dependency of libastra on libpython by refactoring PluginAlgorithm --- build/linux/Makefile.in | 2 - include/astra/AstraObjectFactory.h | 7 +- include/astra/PluginAlgorithm.h | 57 ++-- matlab/mex/astra_mex_plugin_c.cpp | 18 +- python/astra/plugin_c.pyx | 17 +- python/astra/src/PythonPluginAlgorithm.cpp | 402 +++++++++++++++++++++++++++++ python/astra/src/PythonPluginAlgorithm.h | 89 +++++++ python/builder.py | 4 + src/PluginAlgorithm.cpp | 367 +------------------------- 9 files changed, 544 insertions(+), 419 deletions(-) create mode 100644 python/astra/src/PythonPluginAlgorithm.cpp create mode 100644 python/astra/src/PythonPluginAlgorithm.h diff --git a/build/linux/Makefile.in b/build/linux/Makefile.in index 3018674..d5644bc 100644 --- a/build/linux/Makefile.in +++ b/build/linux/Makefile.in @@ -62,8 +62,6 @@ PYCPPFLAGS := $(CPPFLAGS) PYCPPFLAGS += -I../include PYLDFLAGS = $(LDFLAGS) PYLDFLAGS += -L$(abs_top_builddir)/.libs -LIBS += -l$(PYLIBVER) -LDFLAGS += -L$(PYLIBDIR) endif # This is below where PYCPPFLAGS copies CPPFLAGS. The python code is built diff --git a/include/astra/AstraObjectFactory.h b/include/astra/AstraObjectFactory.h index 325989e..6af9cd8 100644 --- a/include/astra/AstraObjectFactory.h +++ b/include/astra/AstraObjectFactory.h @@ -155,8 +155,11 @@ class _AstraExport CAlgorithmFactory : public CAstraObjectFactory inline CAlgorithm* CAstraObjectFactory::findPlugin(std::string _sType) { - CPluginAlgorithmFactory *fac = CPluginAlgorithmFactory::getSingletonPtr(); - return fac->getPlugin(_sType); + CPluginAlgorithmFactory *fac = CPluginAlgorithmFactory::getFactory(); + if (fac) + return fac->getPlugin(_sType); + else + return 0; } #endif diff --git a/include/astra/PluginAlgorithm.h b/include/astra/PluginAlgorithm.h index 667e813..cbd80fc 100644 --- a/include/astra/PluginAlgorithm.h +++ b/include/astra/PluginAlgorithm.h @@ -29,62 +29,37 @@ $Id$ #ifndef _INC_ASTRA_PLUGINALGORITHM #define _INC_ASTRA_PLUGINALGORITHM -#ifdef ASTRA_PYTHON - -#include "astra/Algorithm.h" -#include "astra/Singleton.h" -#include "astra/XMLDocument.h" -#include "astra/XMLNode.h" - -// Slightly hackish forward declaration of PyObject -struct _object; -typedef _object PyObject; +#include "astra/Globals.h" +#include +#include namespace astra { -class _AstraExport CPluginAlgorithm : public CAlgorithm { - -public: - - CPluginAlgorithm(PyObject* pyclass); - ~CPluginAlgorithm(); - - bool initialize(const Config& _cfg); - void run(int _iNrIterations); - -private: - PyObject * instance; -}; +class CAlgorithm; -class _AstraExport CPluginAlgorithmFactory : public Singleton { +class _AstraExport CPluginAlgorithmFactory { public: + CPluginAlgorithmFactory() { } + virtual ~CPluginAlgorithmFactory() { } - CPluginAlgorithmFactory(); - ~CPluginAlgorithmFactory(); + virtual CAlgorithm * getPlugin(const std::string &name) = 0; - CPluginAlgorithm * getPlugin(std::string name); + virtual bool registerPlugin(std::string name, std::string className) = 0; + virtual bool registerPlugin(std::string className) = 0; - bool registerPlugin(std::string name, std::string className); - bool registerPlugin(std::string className); - bool registerPluginClass(std::string name, PyObject * className); - bool registerPluginClass(PyObject * className); + virtual std::map getRegisteredMap() = 0; - PyObject * getRegistered(); - std::map getRegisteredMap(); - - std::string getHelp(std::string name); + virtual std::string getHelp(const std::string &name) = 0; + + static void registerFactory(CPluginAlgorithmFactory *factory) { m_factory = factory; } + static CPluginAlgorithmFactory* getFactory() { return m_factory; } private: - PyObject * pluginDict; - PyObject *inspect, *six; + static CPluginAlgorithmFactory *m_factory; }; -PyObject* XMLNode2dict(XMLNode node); - } #endif - -#endif diff --git a/matlab/mex/astra_mex_plugin_c.cpp b/matlab/mex/astra_mex_plugin_c.cpp index 177fcf4..0dc0edf 100644 --- a/matlab/mex/astra_mex_plugin_c.cpp +++ b/matlab/mex/astra_mex_plugin_c.cpp @@ -48,7 +48,11 @@ using namespace astra; */ void astra_mex_plugin_get_registered(int nlhs, mxArray* plhs[], int nrhs, const mxArray* prhs[]) { - astra::CPluginAlgorithmFactory *fact = astra::CPluginAlgorithmFactory::getSingletonPtr(); + astra::CPluginAlgorithmFactory *fact = astra::CPluginAlgorithmFactory::getFactory(); + if (!fact) { + mexPrintf("Plugin support not initialized."); + return; + } std::map mp = fact->getRegisteredMap(); for(std::map::iterator it=mp.begin();it!=mp.end();it++){ mexPrintf("%s: %s\n",it->first.c_str(), it->second.c_str()); @@ -62,9 +66,13 @@ void astra_mex_plugin_get_registered(int nlhs, mxArray* plhs[], int nrhs, const */ void astra_mex_plugin_register(int nlhs, mxArray* plhs[], int nrhs, const mxArray* prhs[]) { + astra::CPluginAlgorithmFactory *fact = astra::CPluginAlgorithmFactory::getFactory(); + if (!fact) { + mexPrintf("Plugin support not initialized."); + return; + } if (2 <= nrhs) { string class_name = mexToString(prhs[1]); - astra::CPluginAlgorithmFactory *fact = astra::CPluginAlgorithmFactory::getSingletonPtr(); fact->registerPlugin(class_name); }else{ mexPrintf("astra_mex_plugin('register', class_name);\n"); @@ -78,9 +86,13 @@ void astra_mex_plugin_register(int nlhs, mxArray* plhs[], int nrhs, const mxArra */ void astra_mex_plugin_get_help(int nlhs, mxArray* plhs[], int nrhs, const mxArray* prhs[]) { + astra::CPluginAlgorithmFactory *fact = astra::CPluginAlgorithmFactory::getFactory(); + if (!fact) { + mexPrintf("Plugin support not initialized."); + return; + } if (2 <= nrhs) { string name = mexToString(prhs[1]); - astra::CPluginAlgorithmFactory *fact = astra::CPluginAlgorithmFactory::getSingletonPtr(); mexPrintf((fact->getHelp(name)+"\n").c_str()); }else{ mexPrintf("astra_mex_plugin('get_help', name);\n"); diff --git a/python/astra/plugin_c.pyx b/python/astra/plugin_c.pyx index 8d6816b..775ccd4 100644 --- a/python/astra/plugin_c.pyx +++ b/python/astra/plugin_c.pyx @@ -32,21 +32,25 @@ import inspect from libcpp.string cimport string from libcpp cimport bool -cdef CPluginAlgorithmFactory *fact = getSingletonPtr() +cdef CPythonPluginAlgorithmFactory *fact = getSingletonPtr() from . import utils -cdef extern from "astra/PluginAlgorithm.h" namespace "astra": - cdef cppclass CPluginAlgorithmFactory: +cdef extern from "src/PythonPluginAlgorithm.h" namespace "astra": + cdef cppclass CPythonPluginAlgorithmFactory: bool registerPlugin(string className) bool registerPlugin(string name, string className) bool registerPluginClass(object className) bool registerPluginClass(string name, object className) object getRegistered() - string getHelp(string name) + string getHelp(string &name) + +cdef extern from "src/PythonPluginAlgorithm.h" namespace "astra::CPythonPluginAlgorithmFactory": + cdef CPythonPluginAlgorithmFactory* getSingletonPtr() cdef extern from "astra/PluginAlgorithm.h" namespace "astra::CPluginAlgorithmFactory": - cdef CPluginAlgorithmFactory* getSingletonPtr() + # NB: Using wrong pointer type here for convenience + cdef void registerFactory(CPythonPluginAlgorithmFactory *) def register(className, name=None): if inspect.isclass(className): @@ -65,3 +69,6 @@ def get_registered(): def get_help(name): return utils.wrap_from_bytes(fact.getHelp(six.b(name))) + +# Register python plugin factory with astra +registerFactory(fact) diff --git a/python/astra/src/PythonPluginAlgorithm.cpp b/python/astra/src/PythonPluginAlgorithm.cpp new file mode 100644 index 0000000..1ea858d --- /dev/null +++ b/python/astra/src/PythonPluginAlgorithm.cpp @@ -0,0 +1,402 @@ +/* +----------------------------------------------------------------------- +Copyright: 2010-2015, iMinds-Vision Lab, University of Antwerp + 2014-2015, CWI, Amsterdam + +Contact: astra@uantwerpen.be +Website: http://sf.net/projects/astra-toolbox + +This file is part of the ASTRA Toolbox. + + +The ASTRA Toolbox is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 3 of the License, or +(at your option) any later version. + +The ASTRA Toolbox is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with the ASTRA Toolbox. If not, see . + +----------------------------------------------------------------------- +$Id$ +*/ + +#ifdef ASTRA_PYTHON + +#include "PythonPluginAlgorithm.h" + +#include "astra/Logging.h" +#include "astra/Utilities.h" +#include +#include +#include +#include +#include + +#include +#include "bytesobject.h" + +namespace astra { + + + +void logPythonError(){ + if(PyErr_Occurred()){ + PyObject *ptype, *pvalue, *ptraceback; + PyErr_Fetch(&ptype, &pvalue, &ptraceback); + PyErr_NormalizeException(&ptype, &pvalue, &ptraceback); + PyObject *traceback = PyImport_ImportModule("traceback"); + if(traceback!=NULL){ + PyObject *exc; + if(ptraceback==NULL){ + exc = PyObject_CallMethod(traceback,"format_exception_only","OO",ptype, pvalue); + }else{ + exc = PyObject_CallMethod(traceback,"format_exception","OOO",ptype, pvalue, ptraceback); + } + if(exc!=NULL){ + PyObject *six = PyImport_ImportModule("six"); + if(six!=NULL){ + PyObject *iter = PyObject_GetIter(exc); + if(iter!=NULL){ + PyObject *line; + std::string errStr = ""; + while(line = PyIter_Next(iter)){ + PyObject *retb = PyObject_CallMethod(six,"b","O",line); + if(retb!=NULL){ + errStr += std::string(PyBytes_AsString(retb)); + Py_DECREF(retb); + } + Py_DECREF(line); + } + ASTRA_ERROR("%s",errStr.c_str()); + Py_DECREF(iter); + } + Py_DECREF(six); + } + Py_DECREF(exc); + } + Py_DECREF(traceback); + } + if(ptype!=NULL) Py_DECREF(ptype); + if(pvalue!=NULL) Py_DECREF(pvalue); + if(ptraceback!=NULL) Py_DECREF(ptraceback); + } +} + + +CPluginAlgorithm::CPluginAlgorithm(PyObject* pyclass){ + instance = PyObject_CallObject(pyclass, NULL); + if(instance==NULL) logPythonError(); +} + +CPluginAlgorithm::~CPluginAlgorithm(){ + if(instance!=NULL){ + Py_DECREF(instance); + instance = NULL; + } +} + +bool CPluginAlgorithm::initialize(const Config& _cfg){ + if(instance==NULL) return false; + PyObject *cfgDict = XMLNode2dict(_cfg.self); + PyObject *retVal = PyObject_CallMethod(instance, "astra_init", "O",cfgDict); + Py_DECREF(cfgDict); + if(retVal==NULL){ + logPythonError(); + return false; + } + m_bIsInitialized = true; + Py_DECREF(retVal); + return m_bIsInitialized; +} + +void CPluginAlgorithm::run(int _iNrIterations){ + if(instance==NULL) return; + PyGILState_STATE state = PyGILState_Ensure(); + PyObject *retVal = PyObject_CallMethod(instance, "run", "i",_iNrIterations); + if(retVal==NULL){ + logPythonError(); + }else{ + Py_DECREF(retVal); + } + PyGILState_Release(state); +} + +void fixLapackLoading(){ + // When running in Matlab, we need to force numpy + // to use its internal lapack library instead of + // Matlab's MKL library to avoid errors. To do this, + // we set Python's dlopen flags to RTLD_NOW|RTLD_DEEPBIND + // and import 'numpy.linalg.lapack_lite' here. We reset + // Python's dlopen flags afterwards. + PyObject *sys = PyImport_ImportModule("sys"); + if(sys!=NULL){ + PyObject *curFlags = PyObject_CallMethod(sys,"getdlopenflags",NULL); + if(curFlags!=NULL){ + PyObject *retVal = PyObject_CallMethod(sys, "setdlopenflags", "i",10); + if(retVal!=NULL){ + PyObject *lapack = PyImport_ImportModule("numpy.linalg.lapack_lite"); + if(lapack!=NULL){ + Py_DECREF(lapack); + } + PyObject_CallMethod(sys, "setdlopenflags", "O",curFlags); + Py_DECREF(retVal); + } + Py_DECREF(curFlags); + } + Py_DECREF(sys); + } +} + +CPythonPluginAlgorithmFactory::CPythonPluginAlgorithmFactory(){ + if(!Py_IsInitialized()){ + Py_Initialize(); + PyEval_InitThreads(); + } +#ifndef _MSC_VER + if(astra::running_in_matlab) fixLapackLoading(); +#endif + pluginDict = PyDict_New(); + inspect = PyImport_ImportModule("inspect"); + six = PyImport_ImportModule("six"); +} + +CPythonPluginAlgorithmFactory::~CPythonPluginAlgorithmFactory(){ + if(pluginDict!=NULL){ + Py_DECREF(pluginDict); + } + if(inspect!=NULL) Py_DECREF(inspect); + if(six!=NULL) Py_DECREF(six); +} + +PyObject * getClassFromString(std::string str){ + std::vector items; + boost::split(items, str, boost::is_any_of(".")); + PyObject *pyclass = PyImport_ImportModule(items[0].c_str()); + if(pyclass==NULL){ + logPythonError(); + return NULL; + } + PyObject *submod = pyclass; + for(unsigned int i=1;i CPythonPluginAlgorithmFactory::getRegisteredMap(){ + std::map ret; + PyObject *key, *value; + Py_ssize_t pos = 0; + while (PyDict_Next(pluginDict, &pos, &key, &value)) { + PyObject *keystr = PyObject_Str(key); + if(keystr!=NULL){ + PyObject *valstr = PyObject_Str(value); + if(valstr!=NULL){ + PyObject * keyb = PyObject_CallMethod(six,"b","O",keystr); + if(keyb!=NULL){ + PyObject * valb = PyObject_CallMethod(six,"b","O",valstr); + if(valb!=NULL){ + ret[PyBytes_AsString(keyb)] = PyBytes_AsString(valb); + Py_DECREF(valb); + } + Py_DECREF(keyb); + } + Py_DECREF(valstr); + } + Py_DECREF(keystr); + } + logPythonError(); + } + return ret; +} + +std::string CPythonPluginAlgorithmFactory::getHelp(const std::string &name){ + PyObject *className = PyDict_GetItemString(pluginDict, name.c_str()); + if(className==NULL){ + ASTRA_ERROR("Plugin %s not found!",name.c_str()); + PyErr_Clear(); + return ""; + } + std::string ret = ""; + PyObject *pyclass; + if(PyBytes_Check(className)){ + std::string str = std::string(PyBytes_AsString(className)); + pyclass = getClassFromString(str); + }else{ + pyclass = className; + } + if(pyclass==NULL) return ""; + if(inspect!=NULL && six!=NULL){ + PyObject *retVal = PyObject_CallMethod(inspect,"getdoc","O",pyclass); + if(retVal!=NULL){ + if(retVal!=Py_None){ + PyObject *retb = PyObject_CallMethod(six,"b","O",retVal); + if(retb!=NULL){ + ret = std::string(PyBytes_AsString(retb)); + Py_DECREF(retb); + } + } + Py_DECREF(retVal); + }else{ + logPythonError(); + } + } + if(PyBytes_Check(className)){ + Py_DECREF(pyclass); + } + return ret; +} + +DEFINE_SINGLETON(CPythonPluginAlgorithmFactory); + +#if PY_MAJOR_VERSION >= 3 +PyObject * pyStringFromString(std::string str){ + return PyUnicode_FromString(str.c_str()); +} +#else +PyObject * pyStringFromString(std::string str){ + return PyBytes_FromString(str.c_str()); +} +#endif + +PyObject* stringToPythonValue(std::string str){ + if(str.find(";")!=std::string::npos){ + std::vector rows, row; + boost::split(rows, str, boost::is_any_of(";")); + PyObject *mat = PyList_New(rows.size()); + for(unsigned int i=0; i vec; + boost::split(vec, str, boost::is_any_of(",")); + PyObject *veclist = PyList_New(vec.size()); + for(unsigned int i=0;i nodes = node.getNodes(); + std::list::iterator it = nodes.begin(); + while(it!=nodes.end()){ + XMLNode subnode = *it; + if(subnode.getName()=="Option"){ + PyObject *obj; + if(subnode.hasAttribute("value")){ + obj = stringToPythonValue(subnode.getAttribute("value")); + }else{ + obj = stringToPythonValue(subnode.getContent()); + } + PyDict_SetItemString(opts, subnode.getAttribute("key").c_str(), obj); + Py_DECREF(obj); + }else{ + PyObject *obj = stringToPythonValue(subnode.getContent()); + PyDict_SetItemString(dct, subnode.getName().c_str(), obj); + Py_DECREF(obj); + } + ++it; + } + PyDict_SetItemString(dct, "options", opts); + Py_DECREF(opts); + return dct; +} + +} +#endif diff --git a/python/astra/src/PythonPluginAlgorithm.h b/python/astra/src/PythonPluginAlgorithm.h new file mode 100644 index 0000000..0b1309e --- /dev/null +++ b/python/astra/src/PythonPluginAlgorithm.h @@ -0,0 +1,89 @@ +/* +----------------------------------------------------------------------- +Copyright: 2010-2015, iMinds-Vision Lab, University of Antwerp + 2014-2015, CWI, Amsterdam + +Contact: astra@uantwerpen.be +Website: http://sf.net/projects/astra-toolbox + +This file is part of the ASTRA Toolbox. + + +The ASTRA Toolbox is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 3 of the License, or +(at your option) any later version. + +The ASTRA Toolbox is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with the ASTRA Toolbox. If not, see . + +----------------------------------------------------------------------- +$Id$ +*/ + +#ifndef _INC_PYTHONPLUGINALGORITHM +#define _INC_PYTHONPLUGINALGORITHM + +#ifdef ASTRA_PYTHON + +#include "astra/Algorithm.h" +#include "astra/Singleton.h" +#include "astra/XMLDocument.h" +#include "astra/XMLNode.h" +#include "astra/PluginAlgorithm.h" + +#include + +namespace astra { +class CPluginAlgorithm : public CAlgorithm { + +public: + + CPluginAlgorithm(PyObject* pyclass); + ~CPluginAlgorithm(); + + bool initialize(const Config& _cfg); + void run(int _iNrIterations); + +private: + PyObject * instance; + +}; + +class CPythonPluginAlgorithmFactory : public CPluginAlgorithmFactory, public Singleton { + +public: + + CPythonPluginAlgorithmFactory(); + virtual ~CPythonPluginAlgorithmFactory(); + + virtual CAlgorithm * getPlugin(const std::string &name); + + virtual bool registerPlugin(std::string name, std::string className); + virtual bool registerPlugin(std::string className); + bool registerPluginClass(std::string name, PyObject * className); + bool registerPluginClass(PyObject * className); + + PyObject * getRegistered(); + virtual std::map getRegisteredMap(); + + virtual std::string getHelp(const std::string &name); + +private: + PyObject * pluginDict; + PyObject *inspect, *six; +}; + +PyObject* XMLNode2dict(XMLNode node); + +} + + +#endif + +#endif diff --git a/python/builder.py b/python/builder.py index 018b26b..9a77ecc 100644 --- a/python/builder.py +++ b/python/builder.py @@ -70,6 +70,10 @@ ext_modules = [ ] ext_modules = cythonize("astra/*.pyx", language_level=2) cmdclass = { 'build_ext': build_ext } +for m in ext_modules: + if m.name == 'astra.plugin_c': + m.sources.append('astra/src/PythonPluginAlgorithm.cpp') + setup (name = 'PyASTRAToolbox', version = '1.7.1', description = 'Python interface to the ASTRA-Toolbox', diff --git a/src/PluginAlgorithm.cpp b/src/PluginAlgorithm.cpp index 9fc511a..1bcfbdb 100644 --- a/src/PluginAlgorithm.cpp +++ b/src/PluginAlgorithm.cpp @@ -26,376 +26,11 @@ along with the ASTRA Toolbox. If not, see . $Id$ */ -#ifdef ASTRA_PYTHON - #include "astra/PluginAlgorithm.h" -#include "astra/Logging.h" -#include "astra/Utilities.h" -#include -#include -#include -#include -#include - -#include -#include "bytesobject.h" namespace astra { +CPluginAlgorithmFactory *CPluginAlgorithmFactory::m_factory = 0; - -void logPythonError(){ - if(PyErr_Occurred()){ - PyObject *ptype, *pvalue, *ptraceback; - PyErr_Fetch(&ptype, &pvalue, &ptraceback); - PyErr_NormalizeException(&ptype, &pvalue, &ptraceback); - PyObject *traceback = PyImport_ImportModule("traceback"); - if(traceback!=NULL){ - PyObject *exc; - if(ptraceback==NULL){ - exc = PyObject_CallMethod(traceback,"format_exception_only","OO",ptype, pvalue); - }else{ - exc = PyObject_CallMethod(traceback,"format_exception","OOO",ptype, pvalue, ptraceback); - } - if(exc!=NULL){ - PyObject *six = PyImport_ImportModule("six"); - if(six!=NULL){ - PyObject *iter = PyObject_GetIter(exc); - if(iter!=NULL){ - PyObject *line; - std::string errStr = ""; - while(line = PyIter_Next(iter)){ - PyObject *retb = PyObject_CallMethod(six,"b","O",line); - if(retb!=NULL){ - errStr += std::string(PyBytes_AsString(retb)); - Py_DECREF(retb); - } - Py_DECREF(line); - } - ASTRA_ERROR("%s",errStr.c_str()); - Py_DECREF(iter); - } - Py_DECREF(six); - } - Py_DECREF(exc); - } - Py_DECREF(traceback); - } - if(ptype!=NULL) Py_DECREF(ptype); - if(pvalue!=NULL) Py_DECREF(pvalue); - if(ptraceback!=NULL) Py_DECREF(ptraceback); - } -} - - -CPluginAlgorithm::CPluginAlgorithm(PyObject* pyclass){ - instance = PyObject_CallObject(pyclass, NULL); - if(instance==NULL) logPythonError(); -} - -CPluginAlgorithm::~CPluginAlgorithm(){ - if(instance!=NULL){ - Py_DECREF(instance); - instance = NULL; - } -} - -bool CPluginAlgorithm::initialize(const Config& _cfg){ - if(instance==NULL) return false; - PyObject *cfgDict = XMLNode2dict(_cfg.self); - PyObject *retVal = PyObject_CallMethod(instance, "astra_init", "O",cfgDict); - Py_DECREF(cfgDict); - if(retVal==NULL){ - logPythonError(); - return false; - } - m_bIsInitialized = true; - Py_DECREF(retVal); - return m_bIsInitialized; -} - -void CPluginAlgorithm::run(int _iNrIterations){ - if(instance==NULL) return; - PyGILState_STATE state = PyGILState_Ensure(); - PyObject *retVal = PyObject_CallMethod(instance, "run", "i",_iNrIterations); - if(retVal==NULL){ - logPythonError(); - }else{ - Py_DECREF(retVal); - } - PyGILState_Release(state); } -void fixLapackLoading(){ - // When running in Matlab, we need to force numpy - // to use its internal lapack library instead of - // Matlab's MKL library to avoid errors. To do this, - // we set Python's dlopen flags to RTLD_NOW|RTLD_DEEPBIND - // and import 'numpy.linalg.lapack_lite' here. We reset - // Python's dlopen flags afterwards. - PyObject *sys = PyImport_ImportModule("sys"); - if(sys!=NULL){ - PyObject *curFlags = PyObject_CallMethod(sys,"getdlopenflags",NULL); - if(curFlags!=NULL){ - PyObject *retVal = PyObject_CallMethod(sys, "setdlopenflags", "i",10); - if(retVal!=NULL){ - PyObject *lapack = PyImport_ImportModule("numpy.linalg.lapack_lite"); - if(lapack!=NULL){ - Py_DECREF(lapack); - } - PyObject_CallMethod(sys, "setdlopenflags", "O",curFlags); - Py_DECREF(retVal); - } - Py_DECREF(curFlags); - } - Py_DECREF(sys); - } -} - -CPluginAlgorithmFactory::CPluginAlgorithmFactory(){ - if(!Py_IsInitialized()){ - Py_Initialize(); - PyEval_InitThreads(); - } -#ifndef _MSC_VER - if(astra::running_in_matlab) fixLapackLoading(); -#endif - pluginDict = PyDict_New(); - inspect = PyImport_ImportModule("inspect"); - six = PyImport_ImportModule("six"); -} - -CPluginAlgorithmFactory::~CPluginAlgorithmFactory(){ - if(pluginDict!=NULL){ - Py_DECREF(pluginDict); - } - if(inspect!=NULL) Py_DECREF(inspect); - if(six!=NULL) Py_DECREF(six); -} - -PyObject * getClassFromString(std::string str){ - std::vector items; - boost::split(items, str, boost::is_any_of(".")); - PyObject *pyclass = PyImport_ImportModule(items[0].c_str()); - if(pyclass==NULL){ - logPythonError(); - return NULL; - } - PyObject *submod = pyclass; - for(unsigned int i=1;i CPluginAlgorithmFactory::getRegisteredMap(){ - std::map ret; - PyObject *key, *value; - Py_ssize_t pos = 0; - while (PyDict_Next(pluginDict, &pos, &key, &value)) { - PyObject *keystr = PyObject_Str(key); - if(keystr!=NULL){ - PyObject *valstr = PyObject_Str(value); - if(valstr!=NULL){ - PyObject * keyb = PyObject_CallMethod(six,"b","O",keystr); - if(keyb!=NULL){ - PyObject * valb = PyObject_CallMethod(six,"b","O",valstr); - if(valb!=NULL){ - ret[PyBytes_AsString(keyb)] = PyBytes_AsString(valb); - Py_DECREF(valb); - } - Py_DECREF(keyb); - } - Py_DECREF(valstr); - } - Py_DECREF(keystr); - } - logPythonError(); - } - return ret; -} - -std::string CPluginAlgorithmFactory::getHelp(std::string name){ - PyObject *className = PyDict_GetItemString(pluginDict, name.c_str()); - if(className==NULL){ - ASTRA_ERROR("Plugin %s not found!",name.c_str()); - PyErr_Clear(); - return ""; - } - std::string ret = ""; - PyObject *pyclass; - if(PyBytes_Check(className)){ - std::string str = std::string(PyBytes_AsString(className)); - pyclass = getClassFromString(str); - }else{ - pyclass = className; - } - if(pyclass==NULL) return ""; - if(inspect!=NULL && six!=NULL){ - PyObject *retVal = PyObject_CallMethod(inspect,"getdoc","O",pyclass); - if(retVal!=NULL){ - if(retVal!=Py_None){ - PyObject *retb = PyObject_CallMethod(six,"b","O",retVal); - if(retb!=NULL){ - ret = std::string(PyBytes_AsString(retb)); - Py_DECREF(retb); - } - } - Py_DECREF(retVal); - }else{ - logPythonError(); - } - } - if(PyBytes_Check(className)){ - Py_DECREF(pyclass); - } - return ret; -} - -DEFINE_SINGLETON(CPluginAlgorithmFactory); - -#if PY_MAJOR_VERSION >= 3 -PyObject * pyStringFromString(std::string str){ - return PyUnicode_FromString(str.c_str()); -} -#else -PyObject * pyStringFromString(std::string str){ - return PyBytes_FromString(str.c_str()); -} -#endif - -PyObject* stringToPythonValue(std::string str){ - if(str.find(";")!=std::string::npos){ - std::vector rows, row; - boost::split(rows, str, boost::is_any_of(";")); - PyObject *mat = PyList_New(rows.size()); - for(unsigned int i=0; i vec; - boost::split(vec, str, boost::is_any_of(",")); - PyObject *veclist = PyList_New(vec.size()); - for(unsigned int i=0;i nodes = node.getNodes(); - std::list::iterator it = nodes.begin(); - while(it!=nodes.end()){ - XMLNode subnode = *it; - if(subnode.getName()=="Option"){ - PyObject *obj; - if(subnode.hasAttribute("value")){ - obj = stringToPythonValue(subnode.getAttribute("value")); - }else{ - obj = stringToPythonValue(subnode.getContent()); - } - PyDict_SetItemString(opts, subnode.getAttribute("key").c_str(), obj); - Py_DECREF(obj); - }else{ - PyObject *obj = stringToPythonValue(subnode.getContent()); - PyDict_SetItemString(dct, subnode.getName().c_str(), obj); - Py_DECREF(obj); - } - ++it; - } - PyDict_SetItemString(dct, "options", opts); - Py_DECREF(opts); - return dct; -} - -} -#endif -- cgit v1.2.3