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Unified Diff: third_party/protobuf/python/google/protobuf/pyext/python-proto2.cc

Issue 1842653006: Update //third_party/protobuf to version 3. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: merge Created 4 years, 8 months ago
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Index: third_party/protobuf/python/google/protobuf/pyext/python-proto2.cc
diff --git a/third_party/protobuf/python/google/protobuf/pyext/python-proto2.cc b/third_party/protobuf/python/google/protobuf/pyext/python-proto2.cc
deleted file mode 100644
index eebb752b780fed78ce69f53cfc8ee9c55162dc6d..0000000000000000000000000000000000000000
--- a/third_party/protobuf/python/google/protobuf/pyext/python-proto2.cc
+++ /dev/null
@@ -1,1717 +0,0 @@
-// 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) {
- 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) {
- 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
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