// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// http://code.google.com/p/protobuf/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Author: petar@google.com (Petar Petrov)
#include <Python.h>
#include <map>
#include <string>
#include <vector>
#include <google/protobuf/stubs/common.h>
#include <google/protobuf/pyext/python_descriptor.h>
#include <google/protobuf/io/coded_stream.h>
#include <google/protobuf/descriptor.h>
#include <google/protobuf/dynamic_message.h>
#include <google/protobuf/message.h>
#include <google/protobuf/unknown_field_set.h>
#include <google/protobuf/pyext/python_protobuf.h>
/* Is 64bit */
#define IS_64BIT (SIZEOF_LONG == 8)
#define FIELD_BELONGS_TO_MESSAGE(field_descriptor, message) \
((message)->GetDescriptor() == (field_descriptor)->containing_type())
#define FIELD_IS_REPEATED(field_descriptor) \
((field_descriptor)->label() == google::protobuf::FieldDescriptor::LABEL_REPEATED)
#define GOOGLE_CHECK_GET_INT32(arg, value) \
int32 value; \
if (!CheckAndGetInteger(arg, &value, kint32min_py, kint32max_py)) { \
return NULL; \
}
#define GOOGLE_CHECK_GET_INT64(arg, value) \
int64 value; \
if (!CheckAndGetInteger(arg, &value, kint64min_py, kint64max_py)) { \
return NULL; \
}
#define GOOGLE_CHECK_GET_UINT32(arg, value) \
uint32 value; \
if (!CheckAndGetInteger(arg, &value, kPythonZero, kuint32max_py)) { \
return NULL; \
}
#define GOOGLE_CHECK_GET_UINT64(arg, value) \
uint64 value; \
if (!CheckAndGetInteger(arg, &value, kPythonZero, kuint64max_py)) { \
return NULL; \
}
#define GOOGLE_CHECK_GET_FLOAT(arg, value) \
float value; \
if (!CheckAndGetFloat(arg, &value)) { \
return NULL; \
} \
#define GOOGLE_CHECK_GET_DOUBLE(arg, value) \
double value; \
if (!CheckAndGetDouble(arg, &value)) { \
return NULL; \
}
#define GOOGLE_CHECK_GET_BOOL(arg, value) \
bool value; \
if (!CheckAndGetBool(arg, &value)) { \
return NULL; \
}
#define C(str) const_cast<char*>(str)
// --- Globals:
// Constants used for integer type range checking.
static PyObject* kPythonZero;
static PyObject* kint32min_py;
static PyObject* kint32max_py;
static PyObject* kuint32max_py;
static PyObject* kint64min_py;
static PyObject* kint64max_py;
static PyObject* kuint64max_py;
namespace google {
namespace protobuf {
namespace python {
// --- Support Routines:
static void AddConstants(PyObject* module) {
struct NameValue {
char* name;
int32 value;
} constants[] = {
// Labels:
{"LABEL_OPTIONAL", google::protobuf::FieldDescriptor::LABEL_OPTIONAL},
{"LABEL_REQUIRED", google::protobuf::FieldDescriptor::LABEL_REQUIRED},
{"LABEL_REPEATED", google::protobuf::FieldDescriptor::LABEL_REPEATED},
// CPP types:
{"CPPTYPE_MESSAGE", google::protobuf::FieldDescriptor::CPPTYPE_MESSAGE},
// Field Types:
{"TYPE_MESSAGE", google::protobuf::FieldDescriptor::TYPE_MESSAGE},
// End.
{NULL, 0}
};
for (NameValue* constant = constants;
constant->name != NULL; constant++) {
PyModule_AddIntConstant(module, constant->name, constant->value);
}
}
// --- CMessage Custom Type:
// ------ Type Forward Declaration:
struct CMessage;
struct CMessage_Type;
static void CMessageDealloc(CMessage* self);
static int CMessageInit(CMessage* self, PyObject *args, PyObject *kwds);
static PyObject* CMessageStr(CMessage* self);
static PyObject* CMessage_AddMessage(CMessage* self, PyObject* args);
static PyObject* CMessage_AddRepeatedScalar(CMessage* self, PyObject* args);
static PyObject* CMessage_AssignRepeatedScalar(CMessage* self, PyObject* args);
static PyObject* CMessage_ByteSize(CMessage* self, PyObject* args);
static PyObject* CMessage_Clear(CMessage* self, PyObject* args);
static PyObject* CMessage_ClearField(CMessage* self, PyObject* args);
static PyObject* CMessage_ClearFieldByDescriptor(
CMessage* self, PyObject* args);
static PyObject* CMessage_CopyFrom(CMessage* self, PyObject* args);
static PyObject* CMessage_DebugString(CMessage* self, PyObject* args);
static PyObject* CMessage_DeleteRepeatedField(CMessage* self, PyObject* args);
static PyObject* CMessage_Equals(CMessage* self, PyObject* args);
static PyObject* CMessage_FieldLength(CMessage* self, PyObject* args);
static PyObject* CMessage_FindInitializationErrors(CMessage* self);
static PyObject* CMessage_GetRepeatedMessage(CMessage* self, PyObject* args);
static PyObject* CMessage_GetRepeatedScalar(CMessage* self, PyObject* args);
static PyObject* CMessage_GetScalar(CMessage* self, PyObject* args);
static PyObject* CMessage_HasField(CMessage* self, PyObject* args);
static PyObject* CMessage_HasFieldByDescriptor(CMessage* self, PyObject* args);
static PyObject* CMessage_IsInitialized(CMessage* self, PyObject* args);
static PyObject* CMessage_ListFields(CMessage* self, PyObject* args);
static PyObject* CMessage_MergeFrom(CMessage* self, PyObject* args);
static PyObject* CMessage_MergeFromString(CMessage* self, PyObject* args);
static PyObject* CMessage_MutableMessage(CMessage* self, PyObject* args);
static PyObject* CMessage_NewSubMessage(CMessage* self, PyObject* args);
static PyObject* CMessage_SetScalar(CMessage* self, PyObject* args);
static PyObject* CMessage_SerializePartialToString(
CMessage* self, PyObject* args);
static PyObject* CMessage_SerializeToString(CMessage* self, PyObject* args);
static PyObject* CMessage_SetInParent(CMessage* self, PyObject* args);
static PyObject* CMessage_SwapRepeatedFieldElements(
CMessage* self, PyObject* args);
// ------ Object Definition:
typedef struct CMessage {
PyObject_HEAD
struct CMessage* parent; // NULL if wasn't created from another message.
CFieldDescriptor* parent_field;
const char* full_name;
google::protobuf::Message* message;
bool free_message;
bool read_only;
} CMessage;
// ------ Method Table:
#define CMETHOD(name, args, doc) \
{ C(#name), (PyCFunction)CMessage_##name, args, C(doc) }
static PyMethodDef CMessageMethods[] = {
CMETHOD(AddMessage, METH_O,
"Adds a new message to a repeated composite field."),
CMETHOD(AddRepeatedScalar, METH_VARARGS,
"Adds a scalar to a repeated scalar field."),
CMETHOD(AssignRepeatedScalar, METH_VARARGS,
"Clears and sets the values of a repeated scalar field."),
CMETHOD(ByteSize, METH_NOARGS,
"Returns the size of the message in bytes."),
CMETHOD(Clear, METH_O,
"Clears a protocol message."),
CMETHOD(ClearField, METH_VARARGS,
"Clears a protocol message field by name."),
CMETHOD(ClearFieldByDescriptor, METH_O,
"Clears a protocol message field by descriptor."),
CMETHOD(CopyFrom, METH_O,
"Copies a protocol message into the current message."),
CMETHOD(DebugString, METH_NOARGS,
"Returns the debug string of a protocol message."),
CMETHOD(DeleteRepeatedField, METH_VARARGS,
"Deletes a slice of values from a repeated field."),
CMETHOD(Equals, METH_O,
"Checks if two protocol messages are equal (by identity)."),
CMETHOD(FieldLength, METH_O,
"Returns the number of elements in a repeated field."),
CMETHOD(FindInitializationErrors, METH_NOARGS,
"Returns the initialization errors of a message."),
CMETHOD(GetRepeatedMessage, METH_VARARGS,
"Returns a message from a repeated composite field."),
CMETHOD(GetRepeatedScalar, METH_VARARGS,
"Returns a scalar value from a repeated scalar field."),
CMETHOD(GetScalar, METH_O,
"Returns the scalar value of a field."),
CMETHOD(HasField, METH_O,
"Checks if a message field is set."),
CMETHOD(HasFieldByDescriptor, METH_O,
"Checks if a message field is set by given its descriptor"),
CMETHOD(IsInitialized, METH_NOARGS,
"Checks if all required fields of a protocol message are set."),
CMETHOD(ListFields, METH_NOARGS,
"Lists all set fields of a message."),
CMETHOD(MergeFrom, METH_O,
"Merges a protocol message into the current message."),
CMETHOD(MergeFromString, METH_O,
"Merges a serialized message into the current message."),
CMETHOD(MutableMessage, METH_O,
"Returns a new instance of a nested protocol message."),
CMETHOD(NewSubMessage, METH_O,
"Creates and returns a python message given the descriptor of a "
"composite field of the current message."),
CMETHOD(SetScalar, METH_VARARGS,
"Sets the value of a singular scalar field."),
CMETHOD(SerializePartialToString, METH_VARARGS,
"Serializes the message to a string, even if it isn't initialized."),
CMETHOD(SerializeToString, METH_NOARGS,
"Serializes the message to a string, only for initialized messages."),
CMETHOD(SetInParent, METH_NOARGS,
"Sets the has bit of the given field in its parent message."),
CMETHOD(SwapRepeatedFieldElements, METH_VARARGS,
"Swaps the elements in two positions in a repeated field."),
{ NULL, NULL }
};
#undef CMETHOD
static PyMemberDef CMessageMembers[] = {
{ C("full_name"), T_STRING, offsetof(CMessage, full_name), 0, "Full name" },
{ NULL }
};
// ------ Type Definition:
// The definition for the type object that captures the type of CMessage
// in Python.
PyTypeObject CMessage_Type = {
PyObject_HEAD_INIT(&PyType_Type)
0,
C("google.protobuf.internal."
"_net_proto2___python."
"CMessage"), // tp_name
sizeof(CMessage), // tp_basicsize
0, // tp_itemsize
(destructor)CMessageDealloc, // tp_dealloc
0, // tp_print
0, // tp_getattr
0, // tp_setattr
0, // tp_compare
0, // tp_repr
0, // tp_as_number
0, // tp_as_sequence
0, // tp_as_mapping
0, // tp_hash
0, // tp_call
(reprfunc)CMessageStr, // tp_str
0, // tp_getattro
0, // tp_setattro
0, // tp_as_buffer
Py_TPFLAGS_DEFAULT, // tp_flags
C("A ProtocolMessage"), // tp_doc
0, // tp_traverse
0, // tp_clear
0, // tp_richcompare
0, // tp_weaklistoffset
0, // tp_iter
0, // tp_iternext
CMessageMethods, // tp_methods
CMessageMembers, // tp_members
0, // tp_getset
0, // tp_base
0, // tp_dict
0, // tp_descr_get
0, // tp_descr_set
0, // tp_dictoffset
(initproc)CMessageInit, // tp_init
PyType_GenericAlloc, // tp_alloc
PyType_GenericNew, // tp_new
PyObject_Del, // tp_free
};
// ------ Helper Functions:
static void FormatTypeError(PyObject* arg, char* expected_types) {
PyObject* repr = PyObject_Repr(arg);
PyErr_Format(PyExc_TypeError,
"%.100s has type %.100s, but expected one of: %s",
PyString_AS_STRING(repr),
arg->ob_type->tp_name,
expected_types);
Py_DECREF(repr);
}
template <class T>
static bool CheckAndGetInteger(
PyObject* arg, T* value, PyObject* min, PyObject* max) {
bool is_long = PyLong_Check(arg);
if (!PyInt_Check(arg) && !is_long) {
FormatTypeError(arg, "int, long");
return false;
}
if (PyObject_Compare(min, arg) > 0 || PyObject_Compare(max, arg) < 0) {
PyObject* s = PyObject_Str(arg);
PyErr_Format(PyExc_ValueError,
"Value out of range: %s",
PyString_AS_STRING(s));
Py_DECREF(s);
return false;
}
if (is_long) {
if (min == kPythonZero) {
*value = static_cast<T>(PyLong_AsUnsignedLongLong(arg));
} else {
*value = static_cast<T>(PyLong_AsLongLong(arg));
}
} else {
*value = static_cast<T>(PyInt_AsLong(arg));
}
return true;
}
static bool CheckAndGetDouble(PyObject* arg, double* value) {
if (!PyInt_Check(arg) && !PyLong_Check(arg) &&
!PyFloat_Check(arg)) {
FormatTypeError(arg, "int, long, float");
return false;
}
*value = PyFloat_AsDouble(arg);
return true;
}
static bool CheckAndGetFloat(PyObject* arg, float* value) {
double double_value;
if (!CheckAndGetDouble(arg, &double_value)) {
return false;
}
*value = static_cast<float>(double_value);
return true;
}
static bool CheckAndGetBool(PyObject* arg, bool* value) {
if (!PyInt_Check(arg) && !PyBool_Check(arg) && !PyLong_Check(arg)) {
FormatTypeError(arg, "int, long, bool");
return false;
}
*value = static_cast<bool>(PyInt_AsLong(arg));
return true;
}
google::protobuf::DynamicMessageFactory* global_message_factory = NULL;
static const google::protobuf::Message* CreateMessage(const char* message_type) {
string message_name(message_type);
const google::protobuf::Descriptor* descriptor =
GetDescriptorPool()->FindMessageTypeByName(message_name);
if (descriptor == NULL) {
return NULL;
}
return global_message_factory->GetPrototype(descriptor);
}
static void ReleaseSubMessage(google::protobuf::Message* message,
const google::protobuf::FieldDescriptor* field_descriptor,
CMessage* child_cmessage) {
Message* released_message = message->GetReflection()->ReleaseMessage(
message, field_descriptor, global_message_factory);
GOOGLE_DCHECK(child_cmessage->message != NULL);
// ReleaseMessage will return NULL which differs from
// child_cmessage->message, if the field does not exist. In this case,
// the latter points to the default instance via a const_cast<>, so we
// have to reset it to a new mutable object since we are taking ownership.
if (released_message == NULL) {
const Message* prototype = global_message_factory->GetPrototype(
child_cmessage->message->GetDescriptor());
GOOGLE_DCHECK(prototype != NULL);
child_cmessage->message = prototype->New();
}
child_cmessage->parent = NULL;
child_cmessage->parent_field = NULL;
child_cmessage->free_message = true;
child_cmessage->read_only = false;
}
static bool CheckAndSetString(
PyObject* arg, google::protobuf::Message* message,
const google::protobuf::FieldDescriptor* descriptor,
const google::protobuf::Reflection* reflection,
bool append,
int index) {
GOOGLE_DCHECK(descriptor->type() == google::protobuf::FieldDescriptor::TYPE_STRING ||
descriptor->type() == google::protobuf::FieldDescriptor::TYPE_BYTES);
if (descriptor->type() == google::protobuf::FieldDescriptor::TYPE_STRING) {
#else
if (descriptor->file()->options().cc_api_version() == 2 &&
descriptor->type() == google::protobuf::FieldDescriptor::TYPE_STRING) {
if (!PyString_Check(arg) && !PyUnicode_Check(arg)) {
FormatTypeError(arg, "str, unicode");
return false;
}
if (PyString_Check(arg)) {
PyObject* unicode = PyUnicode_FromEncodedObject(arg, "ascii", NULL);
if (unicode == NULL) {
PyObject* repr = PyObject_Repr(arg);
PyErr_Format(PyExc_ValueError,
"%s has type str, but isn't in 7-bit ASCII "
"encoding. Non-ASCII strings must be converted to "
"unicode objects before being added.",
PyString_AS_STRING(repr));
Py_DECREF(repr);
return false;
} else {
Py_DECREF(unicode);
}
}
} else if (!PyString_Check(arg)) {
FormatTypeError(arg, "str");
return false;
}
PyObject* encoded_string = NULL;
if (descriptor->type() == google::protobuf::FieldDescriptor::TYPE_STRING) {
#else
if (descriptor->file()->options().cc_api_version() == 2 &&
descriptor->type() == google::protobuf::FieldDescriptor::TYPE_STRING) {
if (PyString_Check(arg)) {
encoded_string = PyString_AsEncodedObject(arg, "utf-8", NULL);
} else {
encoded_string = PyUnicode_AsEncodedObject(arg, "utf-8", NULL);
}
} else {
// In this case field type is "bytes".
encoded_string = arg;
Py_INCREF(encoded_string);
}
if (encoded_string == NULL) {
return false;
}
char* value;
Py_ssize_t value_len;
if (PyString_AsStringAndSize(encoded_string, &value, &value_len) < 0) {
Py_DECREF(encoded_string);
return false;
}
string value_string(value, value_len);
if (append) {
reflection->AddString(message, descriptor, value_string);
} else if (index < 0) {
reflection->SetString(message, descriptor, value_string);
} else {
reflection->SetRepeatedString(message, descriptor, index, value_string);
}
Py_DECREF(encoded_string);
return true;
}
static PyObject* ToStringObject(
const google::protobuf::FieldDescriptor* descriptor, string value) {
if (descriptor->type() != google::protobuf::FieldDescriptor::TYPE_STRING) {
return PyString_FromStringAndSize(value.c_str(), value.length());
}
PyObject* result = PyUnicode_DecodeUTF8(value.c_str(), value.length(), NULL);
// If the string can't be decoded in UTF-8, just return a string object that
// contains the raw bytes. This can't happen if the value was assigned using
// the members of the Python message object, but can happen if the values were
// parsed from the wire (binary).
if (result == NULL) {
PyErr_Clear();
result = PyString_FromStringAndSize(value.c_str(), value.length());
}
return result;
}
static void AssureWritable(CMessage* self) {
if (self == NULL ||
self->parent == NULL ||
self->parent_field == NULL) {
return;
}
if (!self->read_only) {
return;
}
AssureWritable(self->parent);
google::protobuf::Message* message = self->parent->message;
const google::protobuf::Reflection* reflection = message->GetReflection();
self->message = reflection->MutableMessage(
message, self->parent_field->descriptor, global_message_factory);
self->read_only = false;
}
static PyObject* InternalGetScalar(
google::protobuf::Message* message,
const google::protobuf::FieldDescriptor* field_descriptor) {
const google::protobuf::Reflection* reflection = message->GetReflection();
if (!FIELD_BELONGS_TO_MESSAGE(field_descriptor, message)) {
PyErr_SetString(
PyExc_KeyError, "Field does not belong to message!");
return NULL;
}
PyObject* result = NULL;
switch (field_descriptor->cpp_type()) {
case google::protobuf::FieldDescriptor::CPPTYPE_INT32: {
int32 value = reflection->GetInt32(*message, field_descriptor);
result = PyInt_FromLong(value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_INT64: {
int64 value = reflection->GetInt64(*message, field_descriptor);
#if IS_64BIT
result = PyInt_FromLong(value);
#else
result = PyLong_FromLongLong(value);
#endif
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_UINT32: {
uint32 value = reflection->GetUInt32(*message, field_descriptor);
#if IS_64BIT
result = PyInt_FromLong(value);
#else
result = PyLong_FromLongLong(value);
#endif
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_UINT64: {
uint64 value = reflection->GetUInt64(*message, field_descriptor);
#if IS_64BIT
if (value <= static_cast<uint64>(kint64max)) {
result = PyInt_FromLong(static_cast<uint64>(value));
}
#else
if (value <= static_cast<uint32>(kint32max)) {
result = PyInt_FromLong(static_cast<uint32>(value));
}
#endif
else { // NOLINT
result = PyLong_FromUnsignedLongLong(value);
}
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_FLOAT: {
float value = reflection->GetFloat(*message, field_descriptor);
result = PyFloat_FromDouble(value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_DOUBLE: {
double value = reflection->GetDouble(*message, field_descriptor);
result = PyFloat_FromDouble(value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_BOOL: {
bool value = reflection->GetBool(*message, field_descriptor);
result = PyBool_FromLong(value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_STRING: {
string value = reflection->GetString(*message, field_descriptor);
result = ToStringObject(field_descriptor, value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_ENUM: {
if (!message->GetReflection()->HasField(*message, field_descriptor)) {
// Look for the value in the unknown fields.
google::protobuf::UnknownFieldSet* unknown_field_set =
message->GetReflection()->MutableUnknownFields(message);
for (int i = 0; i < unknown_field_set->field_count(); ++i) {
if (unknown_field_set->field(i).number() ==
field_descriptor->number()) {
result = PyInt_FromLong(unknown_field_set->field(i).varint());
break;
}
}
}
if (result == NULL) {
const google::protobuf::EnumValueDescriptor* enum_value =
message->GetReflection()->GetEnum(*message, field_descriptor);
result = PyInt_FromLong(enum_value->number());
}
break;
}
default:
PyErr_Format(
PyExc_SystemError, "Getting a value from a field of unknown type %d",
field_descriptor->cpp_type());
}
return result;
}
static PyObject* InternalSetScalar(
google::protobuf::Message* message, const google::protobuf::FieldDescriptor* field_descriptor,
PyObject* arg) {
const google::protobuf::Reflection* reflection = message->GetReflection();
if (!FIELD_BELONGS_TO_MESSAGE(field_descriptor, message)) {
PyErr_SetString(
PyExc_KeyError, "Field does not belong to message!");
return NULL;
}
switch (field_descriptor->cpp_type()) {
case google::protobuf::FieldDescriptor::CPPTYPE_INT32: {
GOOGLE_CHECK_GET_INT32(arg, value);
reflection->SetInt32(message, field_descriptor, value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_INT64: {
GOOGLE_CHECK_GET_INT64(arg, value);
reflection->SetInt64(message, field_descriptor, value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_UINT32: {
GOOGLE_CHECK_GET_UINT32(arg, value);
reflection->SetUInt32(message, field_descriptor, value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_UINT64: {
GOOGLE_CHECK_GET_UINT64(arg, value);
reflection->SetUInt64(message, field_descriptor, value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_FLOAT: {
GOOGLE_CHECK_GET_FLOAT(arg, value);
reflection->SetFloat(message, field_descriptor, value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_DOUBLE: {
GOOGLE_CHECK_GET_DOUBLE(arg, value);
reflection->SetDouble(message, field_descriptor, value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_BOOL: {
GOOGLE_CHECK_GET_BOOL(arg, value);
reflection->SetBool(message, field_descriptor, value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_STRING: {
if (!CheckAndSetString(
arg, message, field_descriptor, reflection, false, -1)) {
return NULL;
}
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_ENUM: {
GOOGLE_CHECK_GET_INT32(arg, value);
const google::protobuf::EnumDescriptor* enum_descriptor =
field_descriptor->enum_type();
const google::protobuf::EnumValueDescriptor* enum_value =
enum_descriptor->FindValueByNumber(value);
if (enum_value != NULL) {
reflection->SetEnum(message, field_descriptor, enum_value);
} else {
bool added = false;
// Add the value to the unknown fields.
google::protobuf::UnknownFieldSet* unknown_field_set =
message->GetReflection()->MutableUnknownFields(message);
for (int i = 0; i < unknown_field_set->field_count(); ++i) {
if (unknown_field_set->field(i).number() ==
field_descriptor->number()) {
unknown_field_set->mutable_field(i)->set_varint(value);
added = true;
break;
}
}
if (!added) {
unknown_field_set->AddVarint(field_descriptor->number(), value);
}
reflection->ClearField(message, field_descriptor);
}
break;
}
default:
PyErr_Format(
PyExc_SystemError, "Setting value to a field of unknown type %d",
field_descriptor->cpp_type());
}
Py_RETURN_NONE;
}
static PyObject* InternalAddRepeatedScalar(
google::protobuf::Message* message, const google::protobuf::FieldDescriptor* field_descriptor,
PyObject* arg) {
if (!FIELD_BELONGS_TO_MESSAGE(field_descriptor, message)) {
PyErr_SetString(
PyExc_KeyError, "Field does not belong to message!");
return NULL;
}
const google::protobuf::Reflection* reflection = message->GetReflection();
switch (field_descriptor->cpp_type()) {
case google::protobuf::FieldDescriptor::CPPTYPE_INT32: {
GOOGLE_CHECK_GET_INT32(arg, value);
reflection->AddInt32(message, field_descriptor, value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_INT64: {
GOOGLE_CHECK_GET_INT64(arg, value);
reflection->AddInt64(message, field_descriptor, value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_UINT32: {
GOOGLE_CHECK_GET_UINT32(arg, value);
reflection->AddUInt32(message, field_descriptor, value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_UINT64: {
GOOGLE_CHECK_GET_UINT64(arg, value);
reflection->AddUInt64(message, field_descriptor, value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_FLOAT: {
GOOGLE_CHECK_GET_FLOAT(arg, value);
reflection->AddFloat(message, field_descriptor, value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_DOUBLE: {
GOOGLE_CHECK_GET_DOUBLE(arg, value);
reflection->AddDouble(message, field_descriptor, value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_BOOL: {
GOOGLE_CHECK_GET_BOOL(arg, value);
reflection->AddBool(message, field_descriptor, value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_STRING: {
if (!CheckAndSetString(
arg, message, field_descriptor, reflection, true, -1)) {
return NULL;
}
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_ENUM: {
GOOGLE_CHECK_GET_INT32(arg, value);
const google::protobuf::EnumDescriptor* enum_descriptor =
field_descriptor->enum_type();
const google::protobuf::EnumValueDescriptor* enum_value =
enum_descriptor->FindValueByNumber(value);
if (enum_value != NULL) {
reflection->AddEnum(message, field_descriptor, enum_value);
} else {
PyObject* s = PyObject_Str(arg);
PyErr_Format(PyExc_ValueError, "Unknown enum value: %s",
PyString_AS_STRING(s));
Py_DECREF(s);
return NULL;
}
break;
}
default:
PyErr_Format(
PyExc_SystemError, "Adding value to a field of unknown type %d",
field_descriptor->cpp_type());
}
Py_RETURN_NONE;
}
static PyObject* InternalGetRepeatedScalar(
CMessage* cmessage, const google::protobuf::FieldDescriptor* field_descriptor,
int index) {
google::protobuf::Message* message = cmessage->message;
const google::protobuf::Reflection* reflection = message->GetReflection();
int field_size = reflection->FieldSize(*message, field_descriptor);
if (index < 0) {
index = field_size + index;
}
if (index < 0 || index >= field_size) {
PyErr_Format(PyExc_IndexError,
"list assignment index (%d) out of range", index);
return NULL;
}
PyObject* result = NULL;
switch (field_descriptor->cpp_type()) {
case google::protobuf::FieldDescriptor::CPPTYPE_INT32: {
int32 value = reflection->GetRepeatedInt32(
*message, field_descriptor, index);
result = PyInt_FromLong(value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_INT64: {
int64 value = reflection->GetRepeatedInt64(
*message, field_descriptor, index);
result = PyLong_FromLongLong(value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_UINT32: {
uint32 value = reflection->GetRepeatedUInt32(
*message, field_descriptor, index);
result = PyLong_FromLongLong(value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_UINT64: {
uint64 value = reflection->GetRepeatedUInt64(
*message, field_descriptor, index);
result = PyLong_FromUnsignedLongLong(value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_FLOAT: {
float value = reflection->GetRepeatedFloat(
*message, field_descriptor, index);
result = PyFloat_FromDouble(value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_DOUBLE: {
double value = reflection->GetRepeatedDouble(
*message, field_descriptor, index);
result = PyFloat_FromDouble(value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_BOOL: {
bool value = reflection->GetRepeatedBool(
*message, field_descriptor, index);
result = PyBool_FromLong(value ? 1 : 0);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_ENUM: {
const google::protobuf::EnumValueDescriptor* enum_value =
message->GetReflection()->GetRepeatedEnum(
*message, field_descriptor, index);
result = PyInt_FromLong(enum_value->number());
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_STRING: {
string value = reflection->GetRepeatedString(
*message, field_descriptor, index);
result = ToStringObject(field_descriptor, value);
break;
}
case google::protobuf::FieldDescriptor::CPPTYPE_MESSAGE: {
CMessage* py_cmsg = PyObject_New(CMessage, &CMessage_Type);
if (py_cmsg == NULL) {
return NULL;
}
const google::protobuf::Message& msg = reflection->GetRepeatedMessage(
*message, field_descriptor, index);
py_cmsg->parent = cmessage;
py_cmsg->full_name = field_descriptor->full_name().c_str();
py_cmsg->message = const_cast<google::protobuf::Message*>(&msg);
py_cmsg->free_message = false;
py_cmsg->read_only = false;
result = reinterpret_cast<PyObject*>(py_cmsg);
break;
}
default:
PyErr_Format(
PyExc_SystemError,
"Getting value from a repeated field of unknown type %d",
field_descriptor->cpp_type());
}
return result;
}
static PyObject* InternalGetRepeatedScalarSlice(
CMessage* cmessage, const google::protobuf::FieldDescriptor* field_descriptor,
PyObject* slice) {
Py_ssize_t from;
Py_ssize_t to;
Py_ssize_t step;
Py_ssize_t length;
bool return_list = false;
google::protobuf::Message* message = cmessage->message;
if (PyInt_Check(slice)) {
from = to = PyInt_AsLong(slice);
} else if (PyLong_Check(slice)) {
from = to = PyLong_AsLong(slice);
} else if (PySlice_Check(slice)) {
const google::protobuf::Reflection* reflection = message->GetReflection();
length = reflection->FieldSize(*message, field_descriptor);
PySlice_GetIndices(
reinterpret_cast<PySliceObject*>(slice), length, &from, &to, &step);
return_list = true;
} else {
PyErr_SetString(PyExc_TypeError, "list indices must be integers");
return NULL;
}
if (!return_list) {
return InternalGetRepeatedScalar(cmessage, field_descriptor, from);
}
PyObject* list = PyList_New(0);
if (list == NULL) {
return NULL;
}
if (from <= to) {
if (step < 0) return list;
for (Py_ssize_t index = from; index < to; index += step) {
if (index < 0 || index >= length) break;
PyObject* s = InternalGetRepeatedScalar(
cmessage, field_descriptor, index);
PyList_Append(list, s);
Py_DECREF(s);
}
} else {
if (step > 0) return list;
for (Py_ssize_t index = from; index > to; index += step) {
if (index < 0 || index >= length) break;
PyObject* s = InternalGetRepeatedScalar(
cmessage, field_descriptor, index);
PyList_Append(list, s);
Py_DECREF(s);
}
}
return list;
}
// ------ C Constructor/Destructor:
static int CMessageInit(CMessage* self, PyObject *args, PyObject *kwds) {
self->message = NULL;
return 0;
}
static void CMessageDealloc(CMessage* self) {
if (self->free_message) {
if (self->read_only) {
PyErr_WriteUnraisable(reinterpret_cast<PyObject*>(self));
}
delete self->message;
}
self->ob_type->tp_free(reinterpret_cast<PyObject*>(self));
}
// ------ Methods:
static PyObject* CMessage_Clear(CMessage* self, PyObject* arg) {
AssureWritable(self);
google::protobuf::Message* message = self->message;
// This block of code is equivalent to the following:
// for cfield_descriptor, child_cmessage in arg:
// ReleaseSubMessage(cfield_descriptor, child_cmessage)
if (!PyList_Check(arg)) {
PyErr_SetString(PyExc_TypeError, "Must be a list");
return NULL;
}
PyObject* messages_to_clear = arg;
Py_ssize_t num_messages_to_clear = PyList_GET_SIZE(messages_to_clear);
for(int i = 0; i < num_messages_to_clear; ++i) {
PyObject* message_tuple = PyList_GET_ITEM(messages_to_clear, i);
if (!PyTuple_Check(message_tuple) || PyTuple_GET_SIZE(message_tuple) != 2) {
PyErr_SetString(PyExc_TypeError, "Must be a tuple of size 2");
return NULL;
}
PyObject* py_cfield_descriptor = PyTuple_GET_ITEM(message_tuple, 0);
PyObject* py_child_cmessage = PyTuple_GET_ITEM(message_tuple, 1);
if (!PyObject_TypeCheck(py_cfield_descriptor, &CFieldDescriptor_Type) ||
!PyObject_TypeCheck(py_child_cmessage, &CMessage_Type)) {
PyErr_SetString(PyExc_ValueError, "Invalid Tuple");
return NULL;
}
CFieldDescriptor* cfield_descriptor = reinterpret_cast<CFieldDescriptor *>(
py_cfield_descriptor);
CMessage* child_cmessage = reinterpret_cast<CMessage *>(py_child_cmessage);
ReleaseSubMessage(message, cfield_descriptor->descriptor, child_cmessage);
}
message->Clear();
Py_RETURN_NONE;
}
static PyObject* CMessage_IsInitialized(CMessage* self, PyObject* args) {
return PyBool_FromLong(self->message->IsInitialized() ? 1 : 0);
}
static PyObject* CMessage_HasField(CMessage* self, PyObject* arg) {
char* field_name;
if (PyString_AsStringAndSize(arg, &field_name, NULL) < 0) {
return NULL;
}
google::protobuf::Message* message = self->message;
const google::protobuf::Descriptor* descriptor = message->GetDescriptor();
const google::protobuf::FieldDescriptor* field_descriptor =
descriptor->FindFieldByName(field_name);
if (field_descriptor == NULL) {
PyErr_Format(PyExc_ValueError, "Unknown field %s.", field_name);
return NULL;
}
bool has_field =
message->GetReflection()->HasField(*message, field_descriptor);
return PyBool_FromLong(has_field ? 1 : 0);
}
static PyObject* CMessage_HasFieldByDescriptor(CMessage* self, PyObject* arg) {
CFieldDescriptor* cfield_descriptor = NULL;
if (!PyObject_TypeCheck(reinterpret_cast<PyObject *>(arg),
&CFieldDescriptor_Type)) {
PyErr_SetString(PyExc_TypeError, "Must be a field descriptor");
return NULL;
}
cfield_descriptor = reinterpret_cast<CFieldDescriptor*>(arg);
google::protobuf::Message* message = self->message;
const google::protobuf::FieldDescriptor* field_descriptor =
cfield_descriptor->descriptor;
if (!FIELD_BELONGS_TO_MESSAGE(field_descriptor, message)) {
PyErr_SetString(PyExc_KeyError,
"Field does not belong to message!");
return NULL;
}
if (FIELD_IS_REPEATED(field_descriptor)) {
PyErr_SetString(PyExc_KeyError,
"Field is repeated. A singular method is required.");
return NULL;
}
bool has_field =
message->GetReflection()->HasField(*message, field_descriptor);
return PyBool_FromLong(has_field ? 1 : 0);
}
static PyObject* CMessage_ClearFieldByDescriptor(
CMessage* self, PyObject* arg) {
CFieldDescriptor* cfield_descriptor = NULL;
if (!PyObject_TypeCheck(reinterpret_cast<PyObject *>(arg),
&CFieldDescriptor_Type)) {
PyErr_SetString(PyExc_TypeError, "Must be a field descriptor");
return NULL;
}
cfield_descriptor = reinterpret_cast<CFieldDescriptor*>(arg);
google::protobuf::Message* message = self->message;
const google::protobuf::FieldDescriptor* field_descriptor =
cfield_descriptor->descriptor;
if (!FIELD_BELONGS_TO_MESSAGE(field_descriptor, message)) {
PyErr_SetString(PyExc_KeyError,
"Field does not belong to message!");
return NULL;
}
message->GetReflection()->ClearField(message, field_descriptor);
Py_RETURN_NONE;
}
static PyObject* CMessage_ClearField(CMessage* self, PyObject* args) {
char* field_name;
CMessage* child_cmessage = NULL;
if (!PyArg_ParseTuple(args, C("s|O!:ClearField"), &field_name,
&CMessage_Type, &child_cmessage)) {
return NULL;
}
google::protobuf::Message* message = self->message;
const google::protobuf::Descriptor* descriptor = message->GetDescriptor();
const google::protobuf::FieldDescriptor* field_descriptor =
descriptor->FindFieldByName(field_name);
if (field_descriptor == NULL) {
PyErr_Format(PyExc_ValueError, "Unknown field %s.", field_name);
return NULL;
}
if (child_cmessage != NULL && !FIELD_IS_REPEATED(field_descriptor)) {
ReleaseSubMessage(message, field_descriptor, child_cmessage);
} else {
message->GetReflection()->ClearField(message, field_descriptor);
}
Py_RETURN_NONE;
}
static PyObject* CMessage_GetScalar(CMessage* self, PyObject* arg) {
CFieldDescriptor* cdescriptor = NULL;
if (!PyObject_TypeCheck(reinterpret_cast<PyObject *>(arg),
&CFieldDescriptor_Type)) {
PyErr_SetString(PyExc_TypeError, "Must be a field descriptor");
return NULL;
}
cdescriptor = reinterpret_cast<CFieldDescriptor*>(arg);
google::protobuf::Message* message = self->message;
return InternalGetScalar(message, cdescriptor->descriptor);
}
static PyObject* CMessage_GetRepeatedScalar(CMessage* self, PyObject* args) {
CFieldDescriptor* cfield_descriptor;
PyObject* slice;
if (!PyArg_ParseTuple(args, C("O!O:GetRepeatedScalar"),
&CFieldDescriptor_Type, &cfield_descriptor, &slice)) {
return NULL;
}
return InternalGetRepeatedScalarSlice(
self, cfield_descriptor->descriptor, slice);
}
static PyObject* CMessage_AssignRepeatedScalar(CMessage* self, PyObject* args) {
CFieldDescriptor* cfield_descriptor;
PyObject* slice;
if (!PyArg_ParseTuple(args, C("O!O:AssignRepeatedScalar"),
&CFieldDescriptor_Type, &cfield_descriptor, &slice)) {
return NULL;
}
AssureWritable(self);
google::protobuf::Message* message = self->message;
message->GetReflection()->ClearField(message, cfield_descriptor->descriptor);
PyObject* iter = PyObject_GetIter(slice);
PyObject* next;
while ((next = PyIter_Next(iter)) != NULL) {
if (InternalAddRepeatedScalar(
message, cfield_descriptor->descriptor, next) == NULL) {
Py_DECREF(next);
Py_DECREF(iter);
return NULL;
}
Py_DECREF(next);
}
Py_DECREF(iter);
Py_RETURN_NONE;
}
static PyObject* CMessage_DeleteRepeatedField(CMessage* self, PyObject* args) {
CFieldDescriptor* cfield_descriptor;
PyObject* slice;
if (!PyArg_ParseTuple(args, C("O!O:DeleteRepeatedField"),
&CFieldDescriptor_Type, &cfield_descriptor, &slice)) {
return NULL;
}
AssureWritable(self);
Py_ssize_t length, from, to, step, slice_length;
google::protobuf::Message* message = self->message;
const google::protobuf::FieldDescriptor* field_descriptor =
cfield_descriptor->descriptor;
const google::protobuf::Reflection* reflection = message->GetReflection();
int min, max;
length = reflection->FieldSize(*message, field_descriptor);
if (PyInt_Check(slice) || PyLong_Check(slice)) {
from = to = PyLong_AsLong(slice);
if (from < 0) {
from = to = length + from;
}
step = 1;
min = max = from;
// Range check.
if (from < 0 || from >= length) {
PyErr_Format(PyExc_IndexError, "list assignment index out of range");
return NULL;
}
} else if (PySlice_Check(slice)) {
from = to = step = slice_length = 0;
PySlice_GetIndicesEx(
reinterpret_cast<PySliceObject*>(slice),
length, &from, &to, &step, &slice_length);
if (from < to) {
min = from;
max = to - 1;
} else {
min = to + 1;
max = from;
}
} else {
PyErr_SetString(PyExc_TypeError, "list indices must be integers");
return NULL;
}
Py_ssize_t i = from;
std::vector<bool> to_delete(length, false);
while (i >= min && i <= max) {
to_delete[i] = true;
i += step;
}
to = 0;
for (i = 0; i < length; ++i) {
if (!to_delete[i]) {
if (i != to) {
reflection->SwapElements(message, field_descriptor, i, to);
}
++to;
}
}
while (i > to) {
reflection->RemoveLast(message, field_descriptor);
--i;
}
Py_RETURN_NONE;
}
static PyObject* CMessage_SetScalar(CMessage* self, PyObject* args) {
CFieldDescriptor* cfield_descriptor;
PyObject* arg;
if (!PyArg_ParseTuple(args, C("O!O:SetScalar"),
&CFieldDescriptor_Type, &cfield_descriptor, &arg)) {
return NULL;
}
AssureWritable(self);
return InternalSetScalar(self->message, cfield_descriptor->descriptor, arg);
}
static PyObject* CMessage_AddRepeatedScalar(CMessage* self, PyObject* args) {
CFieldDescriptor* cfield_descriptor;
PyObject* value;
if (!PyArg_ParseTuple(args, C("O!O:AddRepeatedScalar"),
&CFieldDescriptor_Type, &cfield_descriptor, &value)) {
return NULL;
}
AssureWritable(self);
return InternalAddRepeatedScalar(
self->message, cfield_descriptor->descriptor, value);
}
static PyObject* CMessage_FieldLength(CMessage* self, PyObject* arg) {
CFieldDescriptor* cfield_descriptor;
if (!PyObject_TypeCheck(reinterpret_cast<PyObject *>(arg),
&CFieldDescriptor_Type)) {
PyErr_SetString(PyExc_TypeError, "Must be a field descriptor");
return NULL;
}
cfield_descriptor = reinterpret_cast<CFieldDescriptor*>(arg);
google::protobuf::Message* message = self->message;
int length = message->GetReflection()->FieldSize(
*message, cfield_descriptor->descriptor);
return PyInt_FromLong(length);
}
static PyObject* CMessage_DebugString(CMessage* self, PyObject* args) {
return PyString_FromString(self->message->DebugString().c_str());
}
static PyObject* CMessage_SerializeToString(CMessage* self, PyObject* args) {
int size = self->message->ByteSize();
if (size <= 0) {
return PyString_FromString("");
}
PyObject* result = PyString_FromStringAndSize(NULL, size);
if (result == NULL) {
return NULL;
}
char* buffer = PyString_AS_STRING(result);
self->message->SerializeWithCachedSizesToArray(
reinterpret_cast<uint8*>(buffer));
return result;
}
static PyObject* CMessage_SerializePartialToString(
CMessage* self, PyObject* args) {
string contents;
self->message->SerializePartialToString(&contents);
return PyString_FromStringAndSize(contents.c_str(), contents.size());
}
static PyObject* CMessageStr(CMessage* self) {
char str[1024];
str[sizeof(str) - 1] = 0;
snprintf(str, sizeof(str) - 1, "CMessage: <%p>", self->message);
return PyString_FromString(str);
}
static PyObject* CMessage_MergeFrom(CMessage* self, PyObject* arg) {
CMessage* other_message;
if (!PyObject_TypeCheck(reinterpret_cast<PyObject *>(arg), &CMessage_Type)) {
PyErr_SetString(PyExc_TypeError, "Must be a message");
return NULL;
}
other_message = reinterpret_cast<CMessage*>(arg);
if (other_message->message->GetDescriptor() !=
self->message->GetDescriptor()) {
PyErr_Format(PyExc_TypeError,
"Tried to merge from a message with a different type. "
"to: %s, from: %s",
self->message->GetDescriptor()->full_name().c_str(),
other_message->message->GetDescriptor()->full_name().c_str());
return NULL;
}
AssureWritable(self);
self->message->MergeFrom(*other_message->message);
Py_RETURN_NONE;
}
static PyObject* CMessage_CopyFrom(CMessage* self, PyObject* arg) {
CMessage* other_message;
if (!PyObject_TypeCheck(reinterpret_cast<PyObject *>(arg), &CMessage_Type)) {
PyErr_SetString(PyExc_TypeError, "Must be a message");
return NULL;
}
other_message = reinterpret_cast<CMessage*>(arg);
if (other_message->message->GetDescriptor() !=
self->message->GetDescriptor()) {
PyErr_Format(PyExc_TypeError,
"Tried to copy from a message with a different type. "
"to: %s, from: %s",
self->message->GetDescriptor()->full_name().c_str(),
other_message->message->GetDescriptor()->full_name().c_str());
return NULL;
}
AssureWritable(self);
self->message->CopyFrom(*other_message->message);
Py_RETURN_NONE;
}
static PyObject* CMessage_MergeFromString(CMessage* self, PyObject* arg) {
const void* data;
Py_ssize_t data_length;
if (PyObject_AsReadBuffer(arg, &data, &data_length) < 0) {
return NULL;
}
AssureWritable(self);
google::protobuf::io::CodedInputStream input(
reinterpret_cast<const uint8*>(data), data_length);
input.SetExtensionRegistry(GetDescriptorPool(), global_message_factory);
bool success = self->message->MergePartialFromCodedStream(&input);
if (success) {
return PyInt_FromLong(self->message->ByteSize());
} else {
return PyInt_FromLong(-1);
}
}
static PyObject* CMessage_ByteSize(CMessage* self, PyObject* args) {
return PyLong_FromLong(self->message->ByteSize());
}
static PyObject* CMessage_SetInParent(CMessage* self, PyObject* args) {
AssureWritable(self);
Py_RETURN_NONE;
}
static PyObject* CMessage_SwapRepeatedFieldElements(
CMessage* self, PyObject* args) {
CFieldDescriptor* cfield_descriptor;
int index1, index2;
if (!PyArg_ParseTuple(args, C("O!ii:SwapRepeatedFieldElements"),
&CFieldDescriptor_Type, &cfield_descriptor,
&index1, &index2)) {
return NULL;
}
google::protobuf::Message* message = self->message;
const google::protobuf::Reflection* reflection = message->GetReflection();
reflection->SwapElements(
message, cfield_descriptor->descriptor, index1, index2);
Py_RETURN_NONE;
}
static PyObject* CMessage_AddMessage(CMessage* self, PyObject* arg) {
CFieldDescriptor* cfield_descriptor;
if (!PyObject_TypeCheck(reinterpret_cast<PyObject *>(arg),
&CFieldDescriptor_Type)) {
PyErr_SetString(PyExc_TypeError, "Must be a field descriptor");
return NULL;
}
cfield_descriptor = reinterpret_cast<CFieldDescriptor*>(arg);
AssureWritable(self);
CMessage* py_cmsg = PyObject_New(CMessage, &CMessage_Type);
if (py_cmsg == NULL) {
return NULL;
}
google::protobuf::Message* message = self->message;
const google::protobuf::Reflection* reflection = message->GetReflection();
google::protobuf::Message* sub_message =
reflection->AddMessage(message, cfield_descriptor->descriptor);
py_cmsg->parent = NULL;
py_cmsg->full_name = sub_message->GetDescriptor()->full_name().c_str();
py_cmsg->message = sub_message;
py_cmsg->free_message = false;
py_cmsg->read_only = false;
return reinterpret_cast<PyObject*>(py_cmsg);
}
static PyObject* CMessage_GetRepeatedMessage(CMessage* self, PyObject* args) {
CFieldDescriptor* cfield_descriptor;
PyObject* slice;
if (!PyArg_ParseTuple(args, C("O!O:GetRepeatedMessage"),
&CFieldDescriptor_Type, &cfield_descriptor, &slice)) {
return NULL;
}
return InternalGetRepeatedScalarSlice(
self, cfield_descriptor->descriptor, slice);
}
static PyObject* CMessage_NewSubMessage(CMessage* self, PyObject* arg) {
CFieldDescriptor* cfield_descriptor;
if (!PyObject_TypeCheck(reinterpret_cast<PyObject *>(arg),
&CFieldDescriptor_Type)) {
PyErr_SetString(PyExc_TypeError, "Must be a field descriptor");
return NULL;
}
cfield_descriptor = reinterpret_cast<CFieldDescriptor*>(arg);
CMessage* py_cmsg = PyObject_New(CMessage, &CMessage_Type);
if (py_cmsg == NULL) {
return NULL;
}
google::protobuf::Message* message = self->message;
const google::protobuf::Reflection* reflection = message->GetReflection();
const google::protobuf::Message& sub_message =
reflection->GetMessage(*message, cfield_descriptor->descriptor,
global_message_factory);
py_cmsg->full_name = sub_message.GetDescriptor()->full_name().c_str();
py_cmsg->parent = self;
py_cmsg->parent_field = cfield_descriptor;
py_cmsg->message = const_cast<google::protobuf::Message*>(&sub_message);
py_cmsg->free_message = false;
py_cmsg->read_only = true;
return reinterpret_cast<PyObject*>(py_cmsg);
}
static PyObject* CMessage_MutableMessage(CMessage* self, PyObject* arg) {
CFieldDescriptor* cfield_descriptor;
if (!PyObject_TypeCheck(reinterpret_cast<PyObject *>(arg),
&CFieldDescriptor_Type)) {
PyErr_SetString(PyExc_TypeError, "Must be a field descriptor");
return NULL;
}
cfield_descriptor = reinterpret_cast<CFieldDescriptor*>(arg);
AssureWritable(self);
CMessage* py_cmsg = PyObject_New(CMessage, &CMessage_Type);
if (py_cmsg == NULL) {
return NULL;
}
google::protobuf::Message* message = self->message;
const google::protobuf::Reflection* reflection = message->GetReflection();
google::protobuf::Message* mutable_message =
reflection->MutableMessage(message, cfield_descriptor->descriptor,
global_message_factory);
py_cmsg->full_name = mutable_message->GetDescriptor()->full_name().c_str();
py_cmsg->message = mutable_message;
py_cmsg->free_message = false;
py_cmsg->read_only = false;
return reinterpret_cast<PyObject*>(py_cmsg);
}
static PyObject* CMessage_Equals(CMessage* self, PyObject* arg) {
CMessage* other_message;
if (!PyObject_TypeCheck(reinterpret_cast<PyObject *>(arg), &CMessage_Type)) {
PyErr_SetString(PyExc_TypeError, "Must be a message");
return NULL;
}
other_message = reinterpret_cast<CMessage*>(arg);
if (other_message->message == self->message) {
return PyBool_FromLong(1);
}
if (other_message->message->GetDescriptor() !=
self->message->GetDescriptor()) {
return PyBool_FromLong(0);
}
return PyBool_FromLong(1);
}
static PyObject* CMessage_ListFields(CMessage* self, PyObject* args) {
google::protobuf::Message* message = self->message;
const google::protobuf::Reflection* reflection = message->GetReflection();
vector<const google::protobuf::FieldDescriptor*> fields;
reflection->ListFields(*message, &fields);
PyObject* list = PyList_New(fields.size());
if (list == NULL) {
return NULL;
}
for (unsigned int i = 0; i < fields.size(); ++i) {
bool is_extension = fields[i]->is_extension();
PyObject* t = PyTuple_New(2);
if (t == NULL) {
Py_DECREF(list);
return NULL;
}
PyObject* is_extension_object = PyBool_FromLong(is_extension ? 1 : 0);
PyObject* field_name;
const string* s;
if (is_extension) {
s = &fields[i]->full_name();
} else {
s = &fields[i]->name();
}
field_name = PyString_FromStringAndSize(s->c_str(), s->length());
if (field_name == NULL) {
Py_DECREF(list);
Py_DECREF(t);
return NULL;
}
PyTuple_SET_ITEM(t, 0, is_extension_object);
PyTuple_SET_ITEM(t, 1, field_name);
PyList_SET_ITEM(list, i, t);
}
return list;
}
static PyObject* CMessage_FindInitializationErrors(CMessage* self) {
google::protobuf::Message* message = self->message;
vector<string> errors;
message->FindInitializationErrors(&errors);
PyObject* error_list = PyList_New(errors.size());
if (error_list == NULL) {
return NULL;
}
for (unsigned int i = 0; i < errors.size(); ++i) {
const string& error = errors[i];
PyObject* error_string = PyString_FromStringAndSize(
error.c_str(), error.length());
if (error_string == NULL) {
Py_DECREF(error_list);
return NULL;
}
PyList_SET_ITEM(error_list, i, error_string);
}
return error_list;
}
// ------ Python Constructor:
PyObject* Python_NewCMessage(PyObject* ignored, PyObject* arg) {
const char* message_type = PyString_AsString(arg);
if (message_type == NULL) {
return NULL;
}
const google::protobuf::Message* message = CreateMessage(message_type);
if (message == NULL) {
PyErr_Format(PyExc_TypeError, "Couldn't create message of type %s!",
message_type);
return NULL;
}
CMessage* py_cmsg = PyObject_New(CMessage, &CMessage_Type);
if (py_cmsg == NULL) {
return NULL;
}
py_cmsg->message = message->New();
py_cmsg->free_message = true;
py_cmsg->full_name = message->GetDescriptor()->full_name().c_str();
py_cmsg->read_only = false;
py_cmsg->parent = NULL;
py_cmsg->parent_field = NULL;
return reinterpret_cast<PyObject*>(py_cmsg);
}
// --- Module Functions (exposed to Python):
PyMethodDef methods[] = {
{ C("NewCMessage"), (PyCFunction)Python_NewCMessage,
METH_O,
C("Creates a new C++ protocol message, given its full name.") },
{ C("NewCDescriptorPool"), (PyCFunction)Python_NewCDescriptorPool,
METH_NOARGS,
C("Creates a new C++ descriptor pool.") },
{ C("BuildFile"), (PyCFunction)Python_BuildFile,
METH_O,
C("Registers a new protocol buffer file in the global C++ descriptor "
"pool.") },
{NULL}
};
// --- Exposing the C proto living inside Python proto to C code:
extern const Message* (*GetCProtoInsidePyProtoPtr)(PyObject* msg);
extern Message* (*MutableCProtoInsidePyProtoPtr)(PyObject* msg);
static const google::protobuf::Message* GetCProtoInsidePyProtoImpl(PyObject* msg) {
PyObject* c_msg_obj = PyObject_GetAttrString(msg, "_cmsg");
if (c_msg_obj == NULL) {
PyErr_Clear();
return NULL;
}
Py_DECREF(c_msg_obj);
if (!PyObject_TypeCheck(c_msg_obj, &CMessage_Type)) {
return NULL;
}
CMessage* c_msg = reinterpret_cast<CMessage*>(c_msg_obj);
return c_msg->message;
}
static google::protobuf::Message* MutableCProtoInsidePyProtoImpl(PyObject* msg) {
PyObject* c_msg_obj = PyObject_GetAttrString(msg, "_cmsg");
if (c_msg_obj == NULL) {
PyErr_Clear();
return NULL;
}
Py_DECREF(c_msg_obj);
if (!PyObject_TypeCheck(c_msg_obj, &CMessage_Type)) {
return NULL;
}
CMessage* c_msg = reinterpret_cast<CMessage*>(c_msg_obj);
AssureWritable(c_msg);
return c_msg->message;
}
// --- Module Init Function:
static const char module_docstring[] =
"python-proto2 is a module that can be used to enhance proto2 Python API\n"
"performance.\n"
"\n"
"It provides access to the protocol buffers C++ reflection API that\n"
"implements the basic protocol buffer functions.";
extern "C" {
void init_net_proto2___python() {
// Initialize constants.
kPythonZero = PyInt_FromLong(0);
kint32min_py = PyInt_FromLong(kint32min);
kint32max_py = PyInt_FromLong(kint32max);
kuint32max_py = PyLong_FromLongLong(kuint32max);
kint64min_py = PyLong_FromLongLong(kint64min);
kint64max_py = PyLong_FromLongLong(kint64max);
kuint64max_py = PyLong_FromUnsignedLongLong(kuint64max);
global_message_factory = new DynamicMessageFactory(GetDescriptorPool());
global_message_factory->SetDelegateToGeneratedFactory(true);
// Export our functions to Python.
PyObject *m;
m = Py_InitModule3(C("_net_proto2___python"), methods, C(module_docstring));
if (m == NULL) {
return;
}
AddConstants(m);
CMessage_Type.tp_new = PyType_GenericNew;
if (PyType_Ready(&CMessage_Type) < 0) {
return;
}
if (!InitDescriptor()) {
return;
}
// Override {Get,Mutable}CProtoInsidePyProto.
GetCProtoInsidePyProtoPtr = GetCProtoInsidePyProtoImpl;
MutableCProtoInsidePyProtoPtr = MutableCProtoInsidePyProtoImpl;
}
}
} // namespace python
} // namespace protobuf
} // namespace google