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Handle creation of Python object from native object pointer.

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This commit is contained in:
Ghislain MARY 2014-07-09 10:23:28 +02:00
parent 9213ca8417
commit a8565b049b
2 changed files with 43 additions and 6 deletions
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33
tools/python/apixml2python/linphone.py
View file

@ -25,7 +25,7 @@ class LinphoneModule(object):
for xml_type_method in xml_type_methods:
m = {}
m['method_name'] = xml_type_method.get('name').replace(c['class_c_function_prefix'], '')
m['method_body'] = self.__format_method_body(xml_type_method)
m['method_body'] = self.__format_method_body(xml_type_method, c['class_name'])
c['class_type_methods'].append(m)
c['class_instance_methods'] = []
xml_instance_methods = xml_class.findall("./instancemethods/instancemethod")
@ -47,7 +47,7 @@ class LinphoneModule(object):
c['class_properties'].append(p)
self.classes.append(c)
def __ctype_to_parse_tuple_format(self, ctype):
def __ctype_to_python_format(self, ctype):
keywords = ['const', 'struct', 'enum', 'signed', 'unsigned', 'short', 'long', '*']
splitted_type = ctype.split(' ')
for s in splitted_type:
@ -87,21 +87,42 @@ class LinphoneModule(object):
else:
return 'O'
def __format_method_body(self, method_node):
def __format_method_body(self, method_node, class_name):
body = ''
parse_tuple_format = ''
xml_method_return = method_node.find('./return')
return_type = xml_method_return.get('type')
if return_type != 'void':
body += "\t" + return_type + " cresult;\n"
build_value_format = self.__ctype_to_python_format(return_type)
if build_value_format == 'O':
body += "\tPyObject * pyresult;\n"
body += "\tPyObject * pyret;\n"
xml_method_args = method_node.findall('./arguments/argument')
arg_names = []
for xml_method_arg in xml_method_args:
parse_tuple_format += self.__ctype_to_parse_tuple_format(xml_method_arg.get('type'))
parse_tuple_format += self.__ctype_to_python_format(xml_method_arg.get('type'))
body += "\t" + xml_method_arg.get('type') + " " + xml_method_arg.get('name') + ";\n"
arg_names.append(xml_method_arg.get('name'))
body += "\tpylinphone_trace(__FUNCTION__);\n"
if len(xml_method_args) > 0:
body += "\n\tif (!PyArg_ParseTuple(args, \"" + parse_tuple_format + "\""
body += ', ' + ', '.join(map(lambda a: '&' + a, arg_names))
body += ")) {\n\t\treturn NULL;\n\t}\n\n"
body += "\tPy_RETURN_NONE;"
body += "\tpylinphone_trace(__FUNCTION__);\n\n"
body += "\t"
if return_type != 'void':
body += "cresult = "
body += method_node.get('name') + "(" + ', '.join(arg_names) + ");\n"
if return_type != 'void':
if build_value_format == 'O':
body += "\tpyresult = pylinphone_" + class_name + "_new_from_native_ptr(&pylinphone_" + class_name + "Type, cresult);\n"
body += "\tpyret = Py_BuildValue(\"" + build_value_format + "\", pyresult);\n"
body += "\tPy_DECREF(pyresult);\n"
body += "\treturn pyret;"
else:
body += "\treturn Py_BuildValue(\"" + build_value_format + "\", cresult);"
else:
body += "\tPy_RETURN_NONE;"
return body
def __format_doc_node(self, node):

16
tools/python/apixml2python/linphone_module.mustache
View file

@ -38,6 +38,12 @@ static void pylinphone_log(const char *level, const char *fmt) {
#define pylinphone_trace pylinphone_debug
{{#classes}}
static PyTypeObject pylinphone_{{class_name}}Type;
{{/classes}}
{{#classes}}
typedef struct {
@ -45,6 +51,16 @@ typedef struct {
{{class_name}} *native_ptr;
} pylinphone_{{class_name}}Object;
static PyObject * pylinphone_{{class_name}}_new_from_native_ptr(PyTypeObject *type, {{class_name}} *native_ptr) {
pylinphone_{{class_name}}Object *self;
pylinphone_trace(__FUNCTION__);
if (native_ptr == NULL) Py_RETURN_NONE;
self = (pylinphone_{{class_name}}Object *)PyObject_New(pylinphone_{{class_name}}Object, type);
if (self == NULL) Py_RETURN_NONE;
self->native_ptr = native_ptr;
return (PyObject *)self;
}
static PyObject * pylinphone_{{class_name}}_new(PyTypeObject *type, PyObject *args, PyObject *kw) {
pylinphone_{{class_name}}Object *self = (pylinphone_{{class_name}}Object *)type->tp_alloc(type, 0);
pylinphone_trace(__FUNCTION__);