cleanup of FPE

CMakeLists.txt

@@ -73,6 +73,16 @@ include( cmake/Config.cmake )
 
 set( lvarray_dependencies dl )
 
+if( ENABLE_PYLVARRAY )
+    execute_process( COMMAND ${Python3_EXECUTABLE} -c "import scipy.sparse"
+                     RESULT_VARIABLE scipy_sparse_result
+                     ERROR_VARIABLE scipy_sparse_error
+                     OUTPUT_QUIET )
+    if( NOT scipy_sparse_result EQUAL 0 )
+        message( FATAL_ERROR "ENABLE_PYLVARRAY requires scipy.sparse in ${Python3_EXECUTABLE}: ${scipy_sparse_error}" )
+    endif()
+endif()
+
 blt_list_append( TO lvarray_dependencies ELEMENTS chai IF ENABLE_CHAI )
 
 blt_list_append( TO lvarray_dependencies ELEMENTS RAJA )
@@ -117,4 +127,3 @@ if( ENABLE_DOCS )
     add_subdirectory( docs )
 endif()
 
-

src/python/CMakeLists.txt

@@ -31,6 +31,8 @@ blt_add_library( NAME             pylvarray
                  CLEAR_PREFIX TRUE
                  )
 
+set_target_properties( pylvarray PROPERTIES SUFFIX "${CMAKE_SHARED_MODULE_SUFFIX}" )
+
 target_include_directories( pylvarray
                             PUBLIC
                             $<BUILD_INTERFACE:${CMAKE_BINARY_DIR}/include>

src/python/PyCRSMatrix.cpp

@@ -177,7 +177,16 @@ static PyObject * PyCRSMatrix_toSciPy( PyCRSMatrix * const self, PyObject * cons
                    "Error constructing the offsets NumPy array", nullptr );
 
   PyObjectRef<> sciPySparse = PyImport_ImportModule( "scipy.sparse" );
+  if( sciPySparse == nullptr )
+  {
+    return nullptr;
+  }
+
   PyObjectRef<> constructor = PyObject_GetAttrString( sciPySparse, "csr_matrix" );
+  if( constructor == nullptr )
+  {
+    return nullptr;
+  }
 
   return PyObject_CallFunction( constructor,
                                 "(OOO)(ll)",