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 --- matlab/mex/astra_mex_plugin_c.cpp | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) (limited to 'matlab') 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"); -- cgit v1.2.3 From 7f11ed333cdc93e9e93d4677f857d97ffbbfec87 Mon Sep 17 00:00:00 2001 From: Willem Jan Palenstijn Date: Thu, 21 Jan 2016 12:14:44 +0100 Subject: Fix whitespace --- matlab/mex/astra_mex_plugin_c.cpp | 12 ++++++------ python/astra/src/PythonPluginAlgorithm.cpp | 2 +- 2 files changed, 7 insertions(+), 7 deletions(-) (limited to 'matlab') diff --git a/matlab/mex/astra_mex_plugin_c.cpp b/matlab/mex/astra_mex_plugin_c.cpp index 0dc0edf..627e34a 100644 --- a/matlab/mex/astra_mex_plugin_c.cpp +++ b/matlab/mex/astra_mex_plugin_c.cpp @@ -128,12 +128,12 @@ void mexFunction(int nlhs, mxArray* plhs[], initASTRAMex(); // SWITCH (MODE) - if (sMode == std::string("get_registered")) { - astra_mex_plugin_get_registered(nlhs, plhs, nrhs, prhs); - }else if (sMode == std::string("get_help")) { - astra_mex_plugin_get_help(nlhs, plhs, nrhs, prhs); - }else if (sMode == std::string("register")) { - astra_mex_plugin_register(nlhs, plhs, nrhs, prhs); + if (sMode == std::string("get_registered")) { + astra_mex_plugin_get_registered(nlhs, plhs, nrhs, prhs); + }else if (sMode == std::string("get_help")) { + astra_mex_plugin_get_help(nlhs, plhs, nrhs, prhs); + }else if (sMode == std::string("register")) { + astra_mex_plugin_register(nlhs, plhs, nrhs, prhs); } else { printHelp(); } diff --git a/python/astra/src/PythonPluginAlgorithm.cpp b/python/astra/src/PythonPluginAlgorithm.cpp index 1ea858d..0100bed 100644 --- a/python/astra/src/PythonPluginAlgorithm.cpp +++ b/python/astra/src/PythonPluginAlgorithm.cpp @@ -238,7 +238,7 @@ CAlgorithm * CPythonPluginAlgorithmFactory::getPlugin(const std::string &name){ CPluginAlgorithm *alg = NULL; if(PyBytes_Check(className)){ std::string str = std::string(PyBytes_AsString(className)); - PyObject *pyclass = getClassFromString(str); + PyObject *pyclass = getClassFromString(str); if(pyclass!=NULL){ alg = new CPluginAlgorithm(pyclass); Py_DECREF(pyclass); -- cgit v1.2.3 From 96fa285132bf88462c33c5b24cc1b241fb3d4d73 Mon Sep 17 00:00:00 2001 From: Willem Jan Palenstijn Date: Thu, 21 Jan 2016 14:30:32 +0100 Subject: Initialize Python plugins when available in Matlab --- build/linux/Makefile.in | 10 ++++++++++ matlab/mex/astra_mex_plugin_c.cpp | 25 ++++++++++++++++++++++++- matlab/mex/mexInitFunctions.cpp | 8 ++++++++ 3 files changed, 42 insertions(+), 1 deletion(-) (limited to 'matlab') diff --git a/build/linux/Makefile.in b/build/linux/Makefile.in index d5644bc..57ed8f8 100644 --- a/build/linux/Makefile.in +++ b/build/linux/Makefile.in @@ -95,6 +95,11 @@ ifeq ($(cuda),yes) MEXFLAGS += -DASTRA_CUDA endif +ifeq ($(python),yes) +MEXPYLDFLAGS='$$LDFLAGS $(LDFLAGS) -L$(PYLIBDIR)' +MEXPYLIBS=$(MEXLIBS) -l$(PYLIBVER) +endif + endif LIBDIR=/usr/local/lib @@ -265,6 +270,11 @@ mex: $(MATLAB_MEX) %.$(MEXSUFFIX): %.o $(MATLAB_CXX_OBJECTS) libastra.la $(MEX) LDFLAGS=$(MEXLDFLAGS) $(MEXFLAGS) $(LIBS) $(MEXLIBS) -lastra -output $* $*.o $(MATLAB_CXX_OBJECTS) + +ifeq ($(python),yes) +matlab/mex/astra_mex_plugin_c.$(MEXSUFFIX): matlab/mex/astra_mex_plugin_c.o $(MATLAB_CXX_OBJECTS) libastra.la + $(MEX) LDFLAGS=$(MEXPYLDFLAGS) $(MEXFLAGS) $(LIBS) $(MEXPYLIBS) -lastra -output matlab/mex/astra_mex_plugin_c $< $(MATLAB_CXX_OBJECTS) +endif endif ifeq ($(python),yes) diff --git a/matlab/mex/astra_mex_plugin_c.cpp b/matlab/mex/astra_mex_plugin_c.cpp index 627e34a..9bd4446 100644 --- a/matlab/mex/astra_mex_plugin_c.cpp +++ b/matlab/mex/astra_mex_plugin_c.cpp @@ -37,10 +37,31 @@ $Id$ #include "astra/PluginAlgorithm.h" +#include + using namespace std; using namespace astra; +//----------------------------------------------------------------------------------------- +/** astra_mex_plugin('init'); + * + * Initialize plugin support by initializing python and importing astra + */ +void astra_mex_plugin_init() +{ + if(!Py_IsInitialized()){ + Py_Initialize(); + PyEval_InitThreads(); + } + + // Importing astra may be overkill, since we only need to initialize + // PythonPluginAlgorithmFactory from astra.plugin_c. + PyObject *mod = PyImport_ImportModule("astra"); + Py_DECREF(mod); +} + + //----------------------------------------------------------------------------------------- /** astra_mex_plugin('get_registered'); * @@ -128,7 +149,9 @@ void mexFunction(int nlhs, mxArray* plhs[], initASTRAMex(); // SWITCH (MODE) - if (sMode == std::string("get_registered")) { + if (sMode == "init") { + astra_mex_plugin_init(); + } else if (sMode == std::string("get_registered")) { astra_mex_plugin_get_registered(nlhs, plhs, nrhs, prhs); }else if (sMode == std::string("get_help")) { astra_mex_plugin_get_help(nlhs, plhs, nrhs, prhs); diff --git a/matlab/mex/mexInitFunctions.cpp b/matlab/mex/mexInitFunctions.cpp index bd3df2c..7245af2 100644 --- a/matlab/mex/mexInitFunctions.cpp +++ b/matlab/mex/mexInitFunctions.cpp @@ -23,5 +23,13 @@ void initASTRAMex(){ if(!astra::CLogger::setCallbackScreen(&logCallBack)){ mexErrMsgTxt("Error initializing mex functions."); } + mexIsInitialized=true; + + + // If we have support for plugins, initialize them. + // (NB: Call this after setting mexIsInitialized, to avoid recursively + // calling initASTRAMex) + mexEvalString("if exist('astra_mex_plugin_c') == 3; astra_mex_plugin_c('init'); end"); + } -- cgit v1.2.3 From 5cb48f351fcc1a7c5b11180edcded083176a2431 Mon Sep 17 00:00:00 2001 From: Willem Jan Palenstijn Date: Wed, 27 Jan 2016 09:28:10 +0100 Subject: Use Py_XDECREF to guard against null --- matlab/mex/astra_mex_plugin_c.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'matlab') diff --git a/matlab/mex/astra_mex_plugin_c.cpp b/matlab/mex/astra_mex_plugin_c.cpp index 9bd4446..a279df8 100644 --- a/matlab/mex/astra_mex_plugin_c.cpp +++ b/matlab/mex/astra_mex_plugin_c.cpp @@ -58,7 +58,7 @@ void astra_mex_plugin_init() // Importing astra may be overkill, since we only need to initialize // PythonPluginAlgorithmFactory from astra.plugin_c. PyObject *mod = PyImport_ImportModule("astra"); - Py_DECREF(mod); + Py_XDECREF(mod); } -- cgit v1.2.3 From 4a75ab09962015d90acaa3e2be8357a1c917d5eb Mon Sep 17 00:00:00 2001 From: Willem Jan Palenstijn Date: Wed, 27 Jan 2016 10:05:57 +0100 Subject: Move fixLapackLoading to astra_mex_plugin --- matlab/mex/astra_mex_plugin_c.cpp | 33 ++++++++++++++++++++++++++++++ python/astra/src/PythonPluginAlgorithm.cpp | 32 ----------------------------- 2 files changed, 33 insertions(+), 32 deletions(-) (limited to 'matlab') diff --git a/matlab/mex/astra_mex_plugin_c.cpp b/matlab/mex/astra_mex_plugin_c.cpp index a279df8..4ed534e 100644 --- a/matlab/mex/astra_mex_plugin_c.cpp +++ b/matlab/mex/astra_mex_plugin_c.cpp @@ -42,6 +42,35 @@ $Id$ using namespace std; using namespace astra; +static 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); // RTLD_NOW|RTLD_DEEPBIND + if (retVal != NULL) { + PyObject *lapack = PyImport_ImportModule("numpy.linalg.lapack_lite"); + if (lapack != NULL) { + Py_DECREF(lapack); + } + PyObject *retVal2 = PyObject_CallMethod(sys, "setdlopenflags", "O",curFlags); + if (retVal2 != NULL) { + Py_DECREF(retVal2); + } + Py_DECREF(retVal); + } + Py_DECREF(curFlags); + } + Py_DECREF(sys); + } +} //----------------------------------------------------------------------------------------- /** astra_mex_plugin('init'); @@ -55,6 +84,10 @@ void astra_mex_plugin_init() PyEval_InitThreads(); } +#ifndef _MSC_VER + fixLapackLoading(); +#endif + // Importing astra may be overkill, since we only need to initialize // PythonPluginAlgorithmFactory from astra.plugin_c. PyObject *mod = PyImport_ImportModule("astra"); diff --git a/python/astra/src/PythonPluginAlgorithm.cpp b/python/astra/src/PythonPluginAlgorithm.cpp index 61a56ea..e34861a 100644 --- a/python/astra/src/PythonPluginAlgorithm.cpp +++ b/python/astra/src/PythonPluginAlgorithm.cpp @@ -127,43 +127,11 @@ void CPluginAlgorithm::run(int _iNrIterations){ 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 *retVal2 = PyObject_CallMethod(sys, "setdlopenflags", "O",curFlags); - if(retVal2!=NULL){ - Py_DECREF(retVal2); - } - 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"); -- cgit v1.2.3