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Improve argument checking in the Python wrapper.

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This commit is contained in:
Ghislain MARY 2014-08-14 12:51:11 +02:00
parent 82e1a90ba6
commit e5d15ca06a
1 changed files with 34 additions and 11 deletions
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45
tools/python/apixml2python/linphone.py
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@ -195,7 +195,7 @@ class MethodDefinition:
self.parse_tuple_format += argument_type.fmt_str
if argument_type.use_native_pointer:
body += "\tPyObject * " + arg_name + ";\n"
body += "\t" + arg_complete_type + " " + arg_name + "_native_ptr;\n"
body += "\t" + arg_complete_type + " " + arg_name + "_native_ptr = NULL;\n"
elif strip_leading_linphone(arg_complete_type) in self.linphone_module.enum_names:
body += "\tint " + arg_name + ";\n"
else:
@ -217,9 +217,11 @@ class MethodDefinition:
return \
""" {class_native_ptr_check_code}
{parse_tuple_code}
{args_type_check_code}
{args_native_ptr_check_code}
""".format(class_native_ptr_check_code=class_native_ptr_check_code,
parse_tuple_code=parse_tuple_code,
args_type_check_code=self.format_args_type_check(),
args_native_ptr_check_code=self.format_args_native_pointer_check())
def format_enter_trace(self):
@ -349,6 +351,23 @@ class MethodDefinition:
}}
""".format(class_name=self.class_['class_name'], return_value=return_value)
def format_args_type_check(self):
body = ''
for xml_method_arg in self.xml_method_args:
arg_name = "_" + xml_method_arg.get('name')
arg_type = xml_method_arg.get('type')
arg_complete_type = xml_method_arg.get('completetype')
argument_type = ArgumentType(arg_type, arg_complete_type, self.linphone_module)
if argument_type.fmt_str == 'O':
body += \
""" if (({arg_name} != Py_None) && !PyObject_IsInstance({arg_name}, (PyObject *)&pylinphone_{arg_type}Type)) {{
PyErr_SetString(PyExc_TypeError, "The '{arg_name}' arguments must be a {type_str} instance.");
return NULL;
}}
""".format(arg_name=arg_name, arg_type=strip_leading_linphone(arg_type), type_str=argument_type.type_str)
body = body[1:] # Remove leading '\t'
return body
def format_args_native_pointer_check(self):
body = ''
for xml_method_arg in self.xml_method_args:
@ -358,10 +377,13 @@ class MethodDefinition:
argument_type = ArgumentType(arg_type, arg_complete_type, self.linphone_module)
if argument_type.fmt_str == 'O':
body += \
""" if (({arg_name}_native_ptr = pylinphone_{arg_type}_get_native_ptr({arg_name})) == NULL) {{
return NULL;
""" if (({arg_name} != NULL) && ({arg_name} != Py_None)) {{
if (({arg_name}_native_ptr = pylinphone_{arg_type}_get_native_ptr({arg_name})) == NULL) {{
return NULL;
}}
}}
""".format(arg_name=arg_name, arg_type=strip_leading_linphone(arg_type))
body = body[1:] # Remove leading '\t'
return body
def parse_method_node(self):
@ -510,8 +532,8 @@ class SetterMethodDefinition(MethodDefinition):
def format_arguments_parsing(self):
if self.first_argument_type.check_func is None:
attribute_type_check_code = \
"""if (!PyObject_IsInstance(value, (PyObject *)&pylinphone_{class_name}Type)) {{
PyErr_SetString(PyExc_TypeError, "The {attribute_name} attribute value must be a linphone.{class_name} instance");
"""if ((value != Py_None) && !PyObject_IsInstance(value, (PyObject *)&pylinphone_{class_name}Type)) {{
PyErr_SetString(PyExc_TypeError, "The '{attribute_name}' attribute value must be a linphone.{class_name} instance.");
return -1;
}}
""".format(class_name=self.first_arg_class, attribute_name=self.attribute_name)
@ -521,7 +543,7 @@ class SetterMethodDefinition(MethodDefinition):
checknotnone = "(value != Py_None) && "
attribute_type_check_code = \
"""if ({checknotnone}!{checkfunc}(value)) {{
PyErr_SetString(PyExc_TypeError, "The {attribute_name} attribute value must be a {type_str}");
PyErr_SetString(PyExc_TypeError, "The '{attribute_name}' attribute value must be a {type_str}.");
return -1;
}}
""".format(checknotnone=checknotnone, checkfunc=self.first_argument_type.check_func, attribute_name=self.attribute_name, type_str=self.first_argument_type.type_str)
@ -536,16 +558,17 @@ class SetterMethodDefinition(MethodDefinition):
attribute_native_ptr_check_code = ''
if self.first_argument_type.use_native_pointer:
attribute_native_ptr_check_code = \
"""{arg_name}_native_ptr = pylinphone_{arg_class}_get_native_ptr({arg_name});
if ({arg_name}_native_ptr == NULL) {{
PyErr_SetString(PyExc_TypeError, "Invalid linphone.{arg_class} instance");
return -1;
"""if ({arg_name} != Py_None) {{
if (({arg_name}_native_ptr = pylinphone_{arg_class}_get_native_ptr({arg_name})) == NULL) {{
PyErr_SetString(PyExc_TypeError, "Invalid linphone.{arg_class} instance.");
return -1;
}}
}}
""".format(arg_name="_" + self.first_arg_name, arg_class=self.first_arg_class)
return \
""" {native_ptr_check_code}
if (value == NULL) {{
PyErr_SetString(PyExc_TypeError, "Cannot delete the {attribute_name} attribute");
PyErr_SetString(PyExc_TypeError, "Cannot delete the {attribute_name} attribute.");
return -1;
}}
{attribute_type_check_code}