Add support for Python 3.9 and SWIG 4.0.2

CMakeLists.txt

@@ -4,9 +4,10 @@ project(griddb_python)
 
 set(C_LIB E:/c_client-master/c_client-master/bin/x64/Release)
 set(C_HEADER E:/c_client-master/c_client-master/client/c/include)
-set(SOURCE_HEADER E:/cmake-fun/SourceCode/src)
-set(PYTHON_RESOURCE C:/Users/griddb/AppData/Local/Programs/Python/Python36/)
-set(SWIG_RESOURCE E:/swigwin-3.0.12)
+set(SOURCE_HEADER E:/griddb/python_client/SourceCode/src)
+set(PYTHON_RESOURCE C:/Users/griddb/AppData/Local/Programs/Python/Python39/)
+set(NUMPY_RESOURCE C:/Users/griddb/AppData/Local/Programs/Python/Python39/Lib/site-packages/numpy/core/include)
+set(SWIG_RESOURCE E:/swigwin-4.0.2)
 
 set(PYTHON_LIBRARIES ${PYTHON_RESOURCE}/libs)
 set(PYTHON_INCLUDE_DIRS ${PYTHON_RESOURCE}/include)
@@ -23,8 +24,8 @@ include(${SWIG_USE_FILE})
 set(CMAKE_SWIG_FLAGS -c++)
 set(CMAKE_CXX_FLAGS "/DLL /LD /D_USRDLL /D_WINDLL /MT /MD")
 
-include_directories(${C_HEADER} ${PYTHON_RESOURCE}/include ${SOURCE_HEADER})
-link_directories(${PYTHON_RESOURCE}/libs ${C_LIB})
+include_directories(${C_HEADER} ${PYTHON_RESOURCE}/include ${SOURCE_HEADER} ${NUMPY_RESOURCE})
+link_directories(${PYTHON_RESOURCE}/libs ${C_LIB} ${NUMPY_RESOURCE})
 
 set_property(SOURCE ${SOURCE_HEADER}/griddb.i PROPERTY CPLUSPLUS ON)
 swig_add_library(griddb_python TYPE SHARED LANGUAGE python SOURCES ${SOURCE_HEADER}/griddb.i
@@ -41,6 +42,8 @@ ${SOURCE_HEADER}/RowKeyPredicate.cpp
 ${SOURCE_HEADER}/RowSet.cpp
 ${SOURCE_HEADER}/TimestampUtils.cpp
 ${SOURCE_HEADER}/Field.cpp
+${SOURCE_HEADER}/RowList.cpp
+${SOURCE_HEADER}/RowSet.cpp
 ${SOURCE_HEADER}/Util.cpp)
 
 target_link_libraries(griddb_python gridstore_c)

Makefile

@@ -9,8 +9,8 @@ CPPFLAGS = -fPIC -std=c++0x -g -O2
 INCLUDES = -Iinclude -Isrc
 
 INCLUDES_PYTHON = $(INCLUDES)	\
-				-I/usr/include/python3.6		\
-				-I$(HOME)/.pyenv/versions/3.6.4/lib/python3.6/site-packages/numpy/core/include
+				-I/usr/include/python3.9/		\
+				-I$(HOME)/.pyenv/versions/3.9.5/lib/python3.9/site-packages/numpy/core/include
 
 PROGRAM = _griddb_python.so
 EXTRA = griddb_python.py griddb_python.pyc

README.md

@@ -9,26 +9,26 @@ GridDB Python Client is developed using GridDB C Client and [SWIG](http://www.sw
 Building of the library and execution of the sample programs have been checked in the following environment.
 
     OS: CentOS 7.6(x64) (GCC 4.8.5)
-    SWIG: 3.0.12
-    Python: 3.6
+    SWIG: 4.0.2
+    Python: 3.9
     GridDB C client: V4.5 CE(Community Edition)
     GridDB server: V4.5 CE, CentOS 7.6(x64) (GCC 4.8.5)
 
     OS: Ubuntu 18.04(x64) (gcc 7.3.0)
-    SWIG: 3.0.12
-    Python: 3.6
+    SWIG: 4.0.2
+    Python: 3.9
     GridDB C client: V4.5 CE (Note: If you build from source code, please use GCC 4.8.5.)
     GridDB server: V4.5 CE, Ubuntu 18.04(x64) (Note: If you build from source code, please use GCC 4.8.5.)
 
     OS: Windows 10(x64) (VS2017)
-    SWIG: 3.0.12
-    Python: 3.6
+    SWIG: 4.0.2
+    Python: 3.9
     GridDB C client: V4.5 CE
     GridDB server: V4.5 CE, CentOS 7.6(x64) (GCC 4.8.5)
 
     OS: MacOS Catalina (x86_64)
-    SWIG: 3.0.12
-    Python: 3.6.9
+    SWIG: 4.0.2
+    Python: 3.9
     GridDB C client: V4.5 CE
     GridDB server: V4.5 CE, Centos 7.6(x64) (GCC 4.8.5)
 
@@ -37,9 +37,10 @@ Building of the library and execution of the sample programs have been checked i
 
 Install SWIG as below.
 
-    $ wget https://prdownloads.sourceforge.net/swig/swig-3.0.12.tar.gz
-    $ tar xvfz swig-3.0.12.tar.gz
-    $ cd swig-3.0.12
+    $ wget https://github.com/swig/swig/archive/refs/tags/v4.0.2.tar.gz
+    $ tar xvfz v4.0.2.tar.gz
+    $ cd swig-4.0.2
+    $ ./autogen.sh
     $ ./configure
     $ make
     $ sudo make install
@@ -114,9 +115,10 @@ Note: X.X.X is the software version.
 
 Install SWIG as below.
 
-    $ wget https://prdownloads.sourceforge.net/swig/swig-3.0.12.tar.gz
-    $ tar xvfz swig-3.0.12.tar.gz
-    $ cd swig-3.0.12
+    $ wget https://github.com/swig/swig/archive/refs/tags/v4.0.2.tar.gz
+    $ tar xvfz v4.0.2.tar.gz
+    $ cd swig-4.0.2
+    $ ./autogen.sh
     $ ./configure
     $ make
     $ sudo make install
@@ -141,8 +143,8 @@ Modify **Makefile** to make python_client compatible with MacOS:
 - Change python include path and numpy include path on MacOS. For example:
     ```bash
     INCLUDES_PYTHON = $(INCLUDES)	\
-                            -I$(HOME)/.pyenv/versions/3.6.9/include/python3.6m	\
-                            -I$(HOME)/.pyenv/versions/3.6.9/lib/python3.6/site-packages/numpy/core/include
+                            -I$(HOME)/.pyenv/versions/3.9.5/include/python3.9	\
+                            -I$(HOME)/.pyenv/versions/3.9.5/lib/python3.9/site-packages/numpy/core/include
     ```
 
 - Remove "-Llibs -lrt" (not support on MacOS) from LDFLAGS on Makefile

src/gstype_python.i

@@ -136,7 +136,7 @@ char* convertObjToStr(PyObject *string) {
 %#if PY_MAJOR_VERSION < 3
     return PyString_AsString(string);
 %#else
-    return PyUnicode_AsUTF8(string);
+    return (char*) PyUnicode_AsUTF8(string);
 %#endif
 }
 }
@@ -1466,13 +1466,13 @@ static bool getRowFields(GSRow* row, int columnCount, GSType* typeList, bool tim
                     return false;
                 }
                 if (longValue) {
-                    PyList_SetItem(outList, i, PyLong_FromLong(longValue));
+                    PyList_SetItem(outList, i, SWIG_From_dec(long long)(longValue));
                 } else if (checkNullField(row, i)) {
                     // NULL value
                     Py_INCREF(Py_None);
                     PyList_SetItem(outList, i, Py_None);
                 } else {
-                    PyList_SetItem(outList, i, PyLong_FromLong(longValue));
+                    PyList_SetItem(outList, i, SWIG_From_dec(long long)(longValue));
                 }
                 break;
             }
@@ -1806,7 +1806,7 @@ static bool getRowFields(GSRow* row, int columnCount, GSType* typeList, bool tim
                     return false;
                 }
                 for (int j = 0; j < size; j++) {
-                    PyList_SetItem(list, j, PyLong_FromLong(longArr[j]));
+                    PyList_SetItem(list, j, SWIG_From_dec(long long)(longArr[j]));
                 }
                 if (size) {
                     PyList_SetItem(outList, i, list);
@@ -2265,12 +2265,7 @@ static bool getRowFields(GSRow* row, int columnCount, GSType* typeList, bool tim
 %attribute(griddb::ExpirationInfo, int, division_count, get_division_count, set_division_count);
 
 //Attribute ContainerInfo::columnInfoList
-%extend griddb::ContainerInfo{
-    %pythoncode %{
-        __swig_getmethods__["column_info_list"] = get_column_info_list
-        __swig_setmethods__["column_info_list"] = set_column_info_list
-    %}
-};
+%attributeval(griddb::ContainerInfo, ColumnInfoList, column_info_list, get_column_info_list, set_column_info_list);
 
 /**
  * Typemap for Container::multi_put
@@ -2335,32 +2330,29 @@ static bool getRowFields(GSRow* row, int columnCount, GSType* typeList, bool tim
 %typemap(doc, name = "row_list") (GSRow** listRowdata, int rowCount) "list[list[object]]";
 
 //attribute ContainerInfo::column_info_list
-%typemap(in, fragment = "SWIG_AsCharPtrAndSize", fragment = "cleanString") (ColumnInfoList columnInfoList) (int* alloc = NULL){
+%typemap(in, fragment = "SWIG_AsCharPtrAndSize", fragment = "cleanString") (ColumnInfoList*) (int* alloc = NULL){
 
     if (!PyList_Check($input)) {
         PyErr_SetString(PyExc_ValueError, "Expected a List");
         SWIG_fail;
     }
-    int res;
-    char* v = 0;
-    bool vbool;
-    size_t size = 0;
-    size = (size_t)PyInt_AsLong(PyLong_FromSsize_t(PyList_Size($input)));
-    $1.columnInfo = NULL;
-    $1.size = size;
-    size_t stringSize = 0;
+
+    $1 = NULL;
+    size_t size = (size_t)PyInt_AsLong(PyLong_FromSsize_t(PyList_Size($input)));
     if (size) {
         try {
-            alloc         = new int[size]();
-            $1.columnInfo = new GSColumnInfo[size]();
+            $1             = new ColumnInfoList();
+            alloc          = new int[size]();
+            $1->columnInfo = new GSColumnInfo[size]();
         } catch (bad_alloc& ba) {
             PyErr_SetString(PyExc_ValueError, "Memory allocation for set column_info_list is error");
             SWIG_fail;
         }
+        $1->size = size;
         PyObject* columInfoList;
         int option;
         for (int i = 0; i < size; i++) {
-            $1.columnInfo[i] = GS_COLUMN_INFO_INITIALIZER;
+            $1->columnInfo[i] = GS_COLUMN_INFO_INITIALIZER;
             columInfoList = PyList_GetItem($input, i);
             if (!PyList_Check(columInfoList)) {
                 PyErr_SetString(PyExc_ValueError, "Expected a List");
@@ -2369,55 +2361,62 @@ static bool getRowFields(GSRow* row, int columnCount, GSType* typeList, bool tim
             size_t sizeColumn = (size_t)PyInt_AsLong(PyLong_FromSsize_t(PyList_Size(columInfoList)));
             if (sizeColumn == 3) {
                 option = PyInt_AsLong(PyList_GetItem(columInfoList, 2));
-                $1.columnInfo[i].options = option;
+                $1->columnInfo[i].options = option;
                 if (option != GS_TYPE_OPTION_NULLABLE && option != GS_TYPE_OPTION_NOT_NULL) {
                     PyErr_SetString(PyExc_ValueError, "Invalid value for column option");
                     SWIG_fail;
                 }
             } else if (sizeColumn == 2) {
-                    if (i == 0) {
-                        $1.columnInfo[i].options = GS_TYPE_OPTION_NOT_NULL;
-                    } else {
-                        $1.columnInfo[i].options = GS_TYPE_OPTION_NULLABLE;
-                    }
+                if (i == 0) {
+                    $1->columnInfo[i].options = GS_TYPE_OPTION_NOT_NULL;
+                } else {
+                    $1->columnInfo[i].options = GS_TYPE_OPTION_NULLABLE;
+                }
             } else {
                 PyErr_SetString(PyExc_ValueError, "Invalid element number for List");
                 SWIG_fail;
             }
 
+            char* v = 0;
+            size_t stringSize = 0;
+            int res;
             res = SWIG_AsCharPtrAndSize(PyList_GetItem(columInfoList, 0), &v, &stringSize, &alloc[i]);
             if (!SWIG_IsOK(res)) {
                 PyErr_SetString(PyExc_ValueError, "Can't convert field to string");
                 SWIG_fail;
             }
-            $1.columnInfo[i].name = v;
-            $1.columnInfo[i].type = PyInt_AsLong(PyList_GetItem(columInfoList, 1));
+            $1->columnInfo[i].name = v;
+            $1->columnInfo[i].type = PyInt_AsLong(PyList_GetItem(columInfoList, 1));
         }
     }
 }
 
-%typemap(freearg, fragment = "cleanString") (ColumnInfoList columnInfoList) {
+%typemap(freearg, fragment = "cleanString") (ColumnInfoList*) {
     size_t size = 0;
-    if ($1.size) {
-        size = $1.size;
-    }
-    if ($1.columnInfo != NULL) {
-        if (alloc$argnum) {
-            for (int i = 0; i < size; i++) {
-                if ($1.columnInfo[i].name) {
-                    cleanString($1.columnInfo[i].name, alloc$argnum[i]);
+    if ($1) {
+        if ($1->size) {
+            size = $1->size;
+        }
+        if ($1->columnInfo != NULL) {
+            if (alloc$argnum) {
+                for (int i = 0; i < size; i++) {
+                    if ($1->columnInfo[i].name) {
+                        cleanString($1->columnInfo[i].name, alloc$argnum[i]);
+                    }
                 }
             }
+            delete [] $1->columnInfo;
         }
-        delete [] $1.columnInfo;
+
+        delete $1;
     }
     if (alloc$argnum) {
         delete [] alloc$argnum;
     }
 }
 
-%typemap(out, fragment = "convertStrToObj") (ColumnInfoList) {
-    ColumnInfoList data = $1;
+%typemap(out, fragment = "convertStrToObj") (ColumnInfoList*) {
+    ColumnInfoList data = *$1;
     size_t size = data.size;
     $result = PyList_New(size);
     if ($result == NULL) {