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Unified Diff: third_party/protobuf/python/google/protobuf/pyext/repeated_scalar_container.cc

Issue 1322483002: Revert https://codereview.chromium.org/1291903002 (protobuf roll). (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 4 months ago
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Index: third_party/protobuf/python/google/protobuf/pyext/repeated_scalar_container.cc
diff --git a/third_party/protobuf/python/google/protobuf/pyext/repeated_scalar_container.cc b/third_party/protobuf/python/google/protobuf/pyext/repeated_scalar_container.cc
deleted file mode 100644
index fd19683604747439b0c8f0c2ce54365703d89621..0000000000000000000000000000000000000000
--- a/third_party/protobuf/python/google/protobuf/pyext/repeated_scalar_container.cc
+++ /dev/null
@@ -1,811 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc. All rights reserved.
-// https://developers.google.com/protocol-buffers/
-//
-// 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: anuraag@google.com (Anuraag Agrawal)
-// Author: tibell@google.com (Johan Tibell)
-
-#include <google/protobuf/pyext/repeated_scalar_container.h>
-
-#include <memory>
-#ifndef _SHARED_PTR_H
-#include <google/protobuf/stubs/shared_ptr.h>
-#endif
-
-#include <google/protobuf/stubs/common.h>
-#include <google/protobuf/descriptor.h>
-#include <google/protobuf/dynamic_message.h>
-#include <google/protobuf/message.h>
-#include <google/protobuf/pyext/descriptor.h>
-#include <google/protobuf/pyext/message.h>
-#include <google/protobuf/pyext/scoped_pyobject_ptr.h>
-
-#if PY_MAJOR_VERSION >= 3
- #define PyInt_FromLong PyLong_FromLong
- #if PY_VERSION_HEX < 0x03030000
- #error "Python 3.0 - 3.2 are not supported."
- #else
- #define PyString_AsString(ob) \
- (PyUnicode_Check(ob)? PyUnicode_AsUTF8(ob): PyBytes_AsString(ob))
- #endif
-#endif
-
-namespace google {
-namespace protobuf {
-namespace python {
-
-namespace repeated_scalar_container {
-
-static int InternalAssignRepeatedField(
- RepeatedScalarContainer* self, PyObject* list) {
- self->message->GetReflection()->ClearField(self->message,
- self->parent_field_descriptor);
- for (Py_ssize_t i = 0; i < PyList_GET_SIZE(list); ++i) {
- PyObject* value = PyList_GET_ITEM(list, i);
- if (Append(self, value) == NULL) {
- return -1;
- }
- }
- return 0;
-}
-
-static Py_ssize_t Len(RepeatedScalarContainer* self) {
- Message* message = self->message;
- return message->GetReflection()->FieldSize(*message,
- self->parent_field_descriptor);
-}
-
-static int AssignItem(RepeatedScalarContainer* self,
- Py_ssize_t index,
- PyObject* arg) {
- cmessage::AssureWritable(self->parent);
- Message* message = self->message;
- const FieldDescriptor* field_descriptor = self->parent_field_descriptor;
-
- const 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",
- static_cast<int>(index));
- return -1;
- }
-
- if (arg == NULL) {
- ScopedPyObjectPtr py_index(PyLong_FromLong(index));
- return cmessage::InternalDeleteRepeatedField(self->parent, field_descriptor,
- py_index, NULL);
- }
-
- if (PySequence_Check(arg) && !(PyBytes_Check(arg) || PyUnicode_Check(arg))) {
- PyErr_SetString(PyExc_TypeError, "Value must be scalar");
- return -1;
- }
-
- switch (field_descriptor->cpp_type()) {
- case FieldDescriptor::CPPTYPE_INT32: {
- GOOGLE_CHECK_GET_INT32(arg, value, -1);
- reflection->SetRepeatedInt32(message, field_descriptor, index, value);
- break;
- }
- case FieldDescriptor::CPPTYPE_INT64: {
- GOOGLE_CHECK_GET_INT64(arg, value, -1);
- reflection->SetRepeatedInt64(message, field_descriptor, index, value);
- break;
- }
- case FieldDescriptor::CPPTYPE_UINT32: {
- GOOGLE_CHECK_GET_UINT32(arg, value, -1);
- reflection->SetRepeatedUInt32(message, field_descriptor, index, value);
- break;
- }
- case FieldDescriptor::CPPTYPE_UINT64: {
- GOOGLE_CHECK_GET_UINT64(arg, value, -1);
- reflection->SetRepeatedUInt64(message, field_descriptor, index, value);
- break;
- }
- case FieldDescriptor::CPPTYPE_FLOAT: {
- GOOGLE_CHECK_GET_FLOAT(arg, value, -1);
- reflection->SetRepeatedFloat(message, field_descriptor, index, value);
- break;
- }
- case FieldDescriptor::CPPTYPE_DOUBLE: {
- GOOGLE_CHECK_GET_DOUBLE(arg, value, -1);
- reflection->SetRepeatedDouble(message, field_descriptor, index, value);
- break;
- }
- case FieldDescriptor::CPPTYPE_BOOL: {
- GOOGLE_CHECK_GET_BOOL(arg, value, -1);
- reflection->SetRepeatedBool(message, field_descriptor, index, value);
- break;
- }
- case FieldDescriptor::CPPTYPE_STRING: {
- if (!CheckAndSetString(
- arg, message, field_descriptor, reflection, false, index)) {
- return -1;
- }
- break;
- }
- case FieldDescriptor::CPPTYPE_ENUM: {
- GOOGLE_CHECK_GET_INT32(arg, value, -1);
- if (reflection->SupportsUnknownEnumValues()) {
- reflection->SetRepeatedEnumValue(message, field_descriptor, index,
- value);
- } else {
- const EnumDescriptor* enum_descriptor = field_descriptor->enum_type();
- const EnumValueDescriptor* enum_value =
- enum_descriptor->FindValueByNumber(value);
- if (enum_value != NULL) {
- reflection->SetRepeatedEnum(message, field_descriptor, index,
- enum_value);
- } else {
- ScopedPyObjectPtr s(PyObject_Str(arg));
- if (s != NULL) {
- PyErr_Format(PyExc_ValueError, "Unknown enum value: %s",
- PyString_AsString(s));
- }
- return -1;
- }
- }
- break;
- }
- default:
- PyErr_Format(
- PyExc_SystemError, "Adding value to a field of unknown type %d",
- field_descriptor->cpp_type());
- return -1;
- }
- return 0;
-}
-
-static PyObject* Item(RepeatedScalarContainer* self, Py_ssize_t index) {
- Message* message = self->message;
- const FieldDescriptor* field_descriptor = self->parent_field_descriptor;
- const 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 index (%zd) out of range",
- index);
- return NULL;
- }
-
- PyObject* result = NULL;
- switch (field_descriptor->cpp_type()) {
- case FieldDescriptor::CPPTYPE_INT32: {
- int32 value = reflection->GetRepeatedInt32(
- *message, field_descriptor, index);
- result = PyInt_FromLong(value);
- break;
- }
- case FieldDescriptor::CPPTYPE_INT64: {
- int64 value = reflection->GetRepeatedInt64(
- *message, field_descriptor, index);
- result = PyLong_FromLongLong(value);
- break;
- }
- case FieldDescriptor::CPPTYPE_UINT32: {
- uint32 value = reflection->GetRepeatedUInt32(
- *message, field_descriptor, index);
- result = PyLong_FromLongLong(value);
- break;
- }
- case FieldDescriptor::CPPTYPE_UINT64: {
- uint64 value = reflection->GetRepeatedUInt64(
- *message, field_descriptor, index);
- result = PyLong_FromUnsignedLongLong(value);
- break;
- }
- case FieldDescriptor::CPPTYPE_FLOAT: {
- float value = reflection->GetRepeatedFloat(
- *message, field_descriptor, index);
- result = PyFloat_FromDouble(value);
- break;
- }
- case FieldDescriptor::CPPTYPE_DOUBLE: {
- double value = reflection->GetRepeatedDouble(
- *message, field_descriptor, index);
- result = PyFloat_FromDouble(value);
- break;
- }
- case FieldDescriptor::CPPTYPE_BOOL: {
- bool value = reflection->GetRepeatedBool(
- *message, field_descriptor, index);
- result = PyBool_FromLong(value ? 1 : 0);
- break;
- }
- case FieldDescriptor::CPPTYPE_ENUM: {
- const EnumValueDescriptor* enum_value =
- message->GetReflection()->GetRepeatedEnum(
- *message, field_descriptor, index);
- result = PyInt_FromLong(enum_value->number());
- break;
- }
- case FieldDescriptor::CPPTYPE_STRING: {
- string value = reflection->GetRepeatedString(
- *message, field_descriptor, index);
- result = ToStringObject(field_descriptor, value);
- break;
- }
- case FieldDescriptor::CPPTYPE_MESSAGE: {
- PyObject* py_cmsg = PyObject_CallObject(reinterpret_cast<PyObject*>(
- &CMessage_Type), NULL);
- if (py_cmsg == NULL) {
- return NULL;
- }
- CMessage* cmsg = reinterpret_cast<CMessage*>(py_cmsg);
- const Message& msg = reflection->GetRepeatedMessage(
- *message, field_descriptor, index);
- cmsg->owner = self->owner;
- cmsg->parent = self->parent;
- cmsg->message = const_cast<Message*>(&msg);
- 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* Subscript(RepeatedScalarContainer* self, PyObject* slice) {
- Py_ssize_t from;
- Py_ssize_t to;
- Py_ssize_t step;
- Py_ssize_t length;
- Py_ssize_t slicelength;
- bool return_list = false;
-#if PY_MAJOR_VERSION < 3
- if (PyInt_Check(slice)) {
- from = to = PyInt_AsLong(slice);
- } else // NOLINT
-#endif
- if (PyLong_Check(slice)) {
- from = to = PyLong_AsLong(slice);
- } else if (PySlice_Check(slice)) {
- length = Len(self);
-#if PY_MAJOR_VERSION >= 3
- if (PySlice_GetIndicesEx(slice,
-#else
- if (PySlice_GetIndicesEx(reinterpret_cast<PySliceObject*>(slice),
-#endif
- length, &from, &to, &step, &slicelength) == -1) {
- return NULL;
- }
- return_list = true;
- } else {
- PyErr_SetString(PyExc_TypeError, "list indices must be integers");
- return NULL;
- }
-
- if (!return_list) {
- return Item(self, 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;
- }
- ScopedPyObjectPtr s(Item(self, index));
- PyList_Append(list, s);
- }
- } else {
- if (step > 0) {
- return list;
- }
- for (Py_ssize_t index = from; index > to; index += step) {
- if (index < 0 || index >= length) {
- break;
- }
- ScopedPyObjectPtr s(Item(self, index));
- PyList_Append(list, s);
- }
- }
- return list;
-}
-
-PyObject* Append(RepeatedScalarContainer* self, PyObject* item) {
- cmessage::AssureWritable(self->parent);
- Message* message = self->message;
- const FieldDescriptor* field_descriptor = self->parent_field_descriptor;
-
- const Reflection* reflection = message->GetReflection();
- switch (field_descriptor->cpp_type()) {
- case FieldDescriptor::CPPTYPE_INT32: {
- GOOGLE_CHECK_GET_INT32(item, value, NULL);
- reflection->AddInt32(message, field_descriptor, value);
- break;
- }
- case FieldDescriptor::CPPTYPE_INT64: {
- GOOGLE_CHECK_GET_INT64(item, value, NULL);
- reflection->AddInt64(message, field_descriptor, value);
- break;
- }
- case FieldDescriptor::CPPTYPE_UINT32: {
- GOOGLE_CHECK_GET_UINT32(item, value, NULL);
- reflection->AddUInt32(message, field_descriptor, value);
- break;
- }
- case FieldDescriptor::CPPTYPE_UINT64: {
- GOOGLE_CHECK_GET_UINT64(item, value, NULL);
- reflection->AddUInt64(message, field_descriptor, value);
- break;
- }
- case FieldDescriptor::CPPTYPE_FLOAT: {
- GOOGLE_CHECK_GET_FLOAT(item, value, NULL);
- reflection->AddFloat(message, field_descriptor, value);
- break;
- }
- case FieldDescriptor::CPPTYPE_DOUBLE: {
- GOOGLE_CHECK_GET_DOUBLE(item, value, NULL);
- reflection->AddDouble(message, field_descriptor, value);
- break;
- }
- case FieldDescriptor::CPPTYPE_BOOL: {
- GOOGLE_CHECK_GET_BOOL(item, value, NULL);
- reflection->AddBool(message, field_descriptor, value);
- break;
- }
- case FieldDescriptor::CPPTYPE_STRING: {
- if (!CheckAndSetString(
- item, message, field_descriptor, reflection, true, -1)) {
- return NULL;
- }
- break;
- }
- case FieldDescriptor::CPPTYPE_ENUM: {
- GOOGLE_CHECK_GET_INT32(item, value, NULL);
- if (reflection->SupportsUnknownEnumValues()) {
- reflection->AddEnumValue(message, field_descriptor, value);
- } else {
- const EnumDescriptor* enum_descriptor = field_descriptor->enum_type();
- const EnumValueDescriptor* enum_value =
- enum_descriptor->FindValueByNumber(value);
- if (enum_value != NULL) {
- reflection->AddEnum(message, field_descriptor, enum_value);
- } else {
- ScopedPyObjectPtr s(PyObject_Str(item));
- if (s != NULL) {
- PyErr_Format(PyExc_ValueError, "Unknown enum value: %s",
- PyString_AsString(s));
- }
- return NULL;
- }
- }
- break;
- }
- default:
- PyErr_Format(
- PyExc_SystemError, "Adding value to a field of unknown type %d",
- field_descriptor->cpp_type());
- return NULL;
- }
-
- Py_RETURN_NONE;
-}
-
-static int AssSubscript(RepeatedScalarContainer* self,
- PyObject* slice,
- PyObject* value) {
- Py_ssize_t from;
- Py_ssize_t to;
- Py_ssize_t step;
- Py_ssize_t length;
- Py_ssize_t slicelength;
- bool create_list = false;
-
- cmessage::AssureWritable(self->parent);
- Message* message = self->message;
- const FieldDescriptor* field_descriptor =
- self->parent_field_descriptor;
-
-#if PY_MAJOR_VERSION < 3
- if (PyInt_Check(slice)) {
- from = to = PyInt_AsLong(slice);
- } else
-#endif
- if (PyLong_Check(slice)) {
- from = to = PyLong_AsLong(slice);
- } else if (PySlice_Check(slice)) {
- const Reflection* reflection = message->GetReflection();
- length = reflection->FieldSize(*message, field_descriptor);
-#if PY_MAJOR_VERSION >= 3
- if (PySlice_GetIndicesEx(slice,
-#else
- if (PySlice_GetIndicesEx(reinterpret_cast<PySliceObject*>(slice),
-#endif
- length, &from, &to, &step, &slicelength) == -1) {
- return -1;
- }
- create_list = true;
- } else {
- PyErr_SetString(PyExc_TypeError, "list indices must be integers");
- return -1;
- }
-
- if (value == NULL) {
- return cmessage::InternalDeleteRepeatedField(
- self->parent, field_descriptor, slice, NULL);
- }
-
- if (!create_list) {
- return AssignItem(self, from, value);
- }
-
- ScopedPyObjectPtr full_slice(PySlice_New(NULL, NULL, NULL));
- if (full_slice == NULL) {
- return -1;
- }
- ScopedPyObjectPtr new_list(Subscript(self, full_slice));
- if (new_list == NULL) {
- return -1;
- }
- if (PySequence_SetSlice(new_list, from, to, value) < 0) {
- return -1;
- }
-
- return InternalAssignRepeatedField(self, new_list);
-}
-
-PyObject* Extend(RepeatedScalarContainer* self, PyObject* value) {
- cmessage::AssureWritable(self->parent);
-
- // TODO(ptucker): Deprecate this behavior. b/18413862
- if (value == Py_None) {
- Py_RETURN_NONE;
- }
- if ((Py_TYPE(value)->tp_as_sequence == NULL) && PyObject_Not(value)) {
- Py_RETURN_NONE;
- }
-
- ScopedPyObjectPtr iter(PyObject_GetIter(value));
- if (iter == NULL) {
- PyErr_SetString(PyExc_TypeError, "Value must be iterable");
- return NULL;
- }
- ScopedPyObjectPtr next;
- while ((next.reset(PyIter_Next(iter))) != NULL) {
- if (Append(self, next) == NULL) {
- return NULL;
- }
- }
- if (PyErr_Occurred()) {
- return NULL;
- }
- Py_RETURN_NONE;
-}
-
-static PyObject* Insert(RepeatedScalarContainer* self, PyObject* args) {
- Py_ssize_t index;
- PyObject* value;
- if (!PyArg_ParseTuple(args, "lO", &index, &value)) {
- return NULL;
- }
- ScopedPyObjectPtr full_slice(PySlice_New(NULL, NULL, NULL));
- ScopedPyObjectPtr new_list(Subscript(self, full_slice));
- if (PyList_Insert(new_list, index, value) < 0) {
- return NULL;
- }
- int ret = InternalAssignRepeatedField(self, new_list);
- if (ret < 0) {
- return NULL;
- }
- Py_RETURN_NONE;
-}
-
-static PyObject* Remove(RepeatedScalarContainer* self, PyObject* value) {
- Py_ssize_t match_index = -1;
- for (Py_ssize_t i = 0; i < Len(self); ++i) {
- ScopedPyObjectPtr elem(Item(self, i));
- if (PyObject_RichCompareBool(elem, value, Py_EQ)) {
- match_index = i;
- break;
- }
- }
- if (match_index == -1) {
- PyErr_SetString(PyExc_ValueError, "remove(x): x not in container");
- return NULL;
- }
- if (AssignItem(self, match_index, NULL) < 0) {
- return NULL;
- }
- Py_RETURN_NONE;
-}
-
-static PyObject* RichCompare(RepeatedScalarContainer* self,
- PyObject* other,
- int opid) {
- if (opid != Py_EQ && opid != Py_NE) {
- Py_INCREF(Py_NotImplemented);
- return Py_NotImplemented;
- }
-
- // Copy the contents of this repeated scalar container, and other if it is
- // also a repeated scalar container, into Python lists so we can delegate
- // to the list's compare method.
-
- ScopedPyObjectPtr full_slice(PySlice_New(NULL, NULL, NULL));
- if (full_slice == NULL) {
- return NULL;
- }
-
- ScopedPyObjectPtr other_list_deleter;
- if (PyObject_TypeCheck(other, &RepeatedScalarContainer_Type)) {
- other_list_deleter.reset(Subscript(
- reinterpret_cast<RepeatedScalarContainer*>(other), full_slice));
- other = other_list_deleter.get();
- }
-
- ScopedPyObjectPtr list(Subscript(self, full_slice));
- if (list == NULL) {
- return NULL;
- }
- return PyObject_RichCompare(list, other, opid);
-}
-
-PyObject* Reduce(RepeatedScalarContainer* unused_self) {
- PyErr_Format(
- PickleError_class,
- "can't pickle repeated message fields, convert to list first");
- return NULL;
-}
-
-static PyObject* Sort(RepeatedScalarContainer* self,
- PyObject* args,
- PyObject* kwds) {
- // Support the old sort_function argument for backwards
- // compatibility.
- if (kwds != NULL) {
- PyObject* sort_func = PyDict_GetItemString(kwds, "sort_function");
- if (sort_func != NULL) {
- // Must set before deleting as sort_func is a borrowed reference
- // and kwds might be the only thing keeping it alive.
- if (PyDict_SetItemString(kwds, "cmp", sort_func) == -1)
- return NULL;
- if (PyDict_DelItemString(kwds, "sort_function") == -1)
- return NULL;
- }
- }
-
- ScopedPyObjectPtr full_slice(PySlice_New(NULL, NULL, NULL));
- if (full_slice == NULL) {
- return NULL;
- }
- ScopedPyObjectPtr list(Subscript(self, full_slice));
- if (list == NULL) {
- return NULL;
- }
- ScopedPyObjectPtr m(PyObject_GetAttrString(list, "sort"));
- if (m == NULL) {
- return NULL;
- }
- ScopedPyObjectPtr res(PyObject_Call(m, args, kwds));
- if (res == NULL) {
- return NULL;
- }
- int ret = InternalAssignRepeatedField(self, list);
- if (ret < 0) {
- return NULL;
- }
- Py_RETURN_NONE;
-}
-
-static PyObject* Pop(RepeatedScalarContainer* self,
- PyObject* args) {
- Py_ssize_t index = -1;
- if (!PyArg_ParseTuple(args, "|n", &index)) {
- return NULL;
- }
- PyObject* item = Item(self, index);
- if (item == NULL) {
- PyErr_Format(PyExc_IndexError,
- "list index (%zd) out of range",
- index);
- return NULL;
- }
- if (AssignItem(self, index, NULL) < 0) {
- return NULL;
- }
- return item;
-}
-
-// The private constructor of RepeatedScalarContainer objects.
-PyObject *NewContainer(
- CMessage* parent, const FieldDescriptor* parent_field_descriptor) {
- if (!CheckFieldBelongsToMessage(parent_field_descriptor, parent->message)) {
- return NULL;
- }
-
- RepeatedScalarContainer* self = reinterpret_cast<RepeatedScalarContainer*>(
- PyType_GenericAlloc(&RepeatedScalarContainer_Type, 0));
- if (self == NULL) {
- return NULL;
- }
-
- self->message = parent->message;
- self->parent = parent;
- self->parent_field_descriptor = parent_field_descriptor;
- self->owner = parent->owner;
-
- return reinterpret_cast<PyObject*>(self);
-}
-
-// Initializes the underlying Message object of "to" so it becomes a new parent
-// repeated scalar, and copies all the values from "from" to it. A child scalar
-// container can be released by passing it as both from and to (e.g. making it
-// the recipient of the new parent message and copying the values from itself).
-static int InitializeAndCopyToParentContainer(
- RepeatedScalarContainer* from,
- RepeatedScalarContainer* to) {
- ScopedPyObjectPtr full_slice(PySlice_New(NULL, NULL, NULL));
- if (full_slice == NULL) {
- return -1;
- }
- ScopedPyObjectPtr values(Subscript(from, full_slice));
- if (values == NULL) {
- return -1;
- }
- Message* new_message = cmessage::GetMessageFactory()->GetPrototype(
- from->message->GetDescriptor())->New();
- to->parent = NULL;
- to->parent_field_descriptor = from->parent_field_descriptor;
- to->message = new_message;
- to->owner.reset(new_message);
- if (InternalAssignRepeatedField(to, values) < 0) {
- return -1;
- }
- return 0;
-}
-
-int Release(RepeatedScalarContainer* self) {
- return InitializeAndCopyToParentContainer(self, self);
-}
-
-PyObject* DeepCopy(RepeatedScalarContainer* self, PyObject* arg) {
- RepeatedScalarContainer* clone = reinterpret_cast<RepeatedScalarContainer*>(
- PyType_GenericAlloc(&RepeatedScalarContainer_Type, 0));
- if (clone == NULL) {
- return NULL;
- }
-
- if (InitializeAndCopyToParentContainer(self, clone) < 0) {
- Py_DECREF(clone);
- return NULL;
- }
- return reinterpret_cast<PyObject*>(clone);
-}
-
-static void Dealloc(RepeatedScalarContainer* self) {
- self->owner.reset();
- Py_TYPE(self)->tp_free(reinterpret_cast<PyObject*>(self));
-}
-
-void SetOwner(RepeatedScalarContainer* self,
- const shared_ptr<Message>& new_owner) {
- self->owner = new_owner;
-}
-
-static PySequenceMethods SqMethods = {
- (lenfunc)Len, /* sq_length */
- 0, /* sq_concat */
- 0, /* sq_repeat */
- (ssizeargfunc)Item, /* sq_item */
- 0, /* sq_slice */
- (ssizeobjargproc)AssignItem /* sq_ass_item */
-};
-
-static PyMappingMethods MpMethods = {
- (lenfunc)Len, /* mp_length */
- (binaryfunc)Subscript, /* mp_subscript */
- (objobjargproc)AssSubscript, /* mp_ass_subscript */
-};
-
-static PyMethodDef Methods[] = {
- { "__deepcopy__", (PyCFunction)DeepCopy, METH_VARARGS,
- "Makes a deep copy of the class." },
- { "__reduce__", (PyCFunction)Reduce, METH_NOARGS,
- "Outputs picklable representation of the repeated field." },
- { "append", (PyCFunction)Append, METH_O,
- "Appends an object to the repeated container." },
- { "extend", (PyCFunction)Extend, METH_O,
- "Appends objects to the repeated container." },
- { "insert", (PyCFunction)Insert, METH_VARARGS,
- "Appends objects to the repeated container." },
- { "pop", (PyCFunction)Pop, METH_VARARGS,
- "Removes an object from the repeated container and returns it." },
- { "remove", (PyCFunction)Remove, METH_O,
- "Removes an object from the repeated container." },
- { "sort", (PyCFunction)Sort, METH_VARARGS | METH_KEYWORDS,
- "Sorts the repeated container."},
- { NULL, NULL }
-};
-
-} // namespace repeated_scalar_container
-
-PyTypeObject RepeatedScalarContainer_Type = {
- PyVarObject_HEAD_INIT(&PyType_Type, 0)
- FULL_MODULE_NAME ".RepeatedScalarContainer", // tp_name
- sizeof(RepeatedScalarContainer), // tp_basicsize
- 0, // tp_itemsize
- (destructor)repeated_scalar_container::Dealloc, // tp_dealloc
- 0, // tp_print
- 0, // tp_getattr
- 0, // tp_setattr
- 0, // tp_compare
- 0, // tp_repr
- 0, // tp_as_number
- &repeated_scalar_container::SqMethods, // tp_as_sequence
- &repeated_scalar_container::MpMethods, // tp_as_mapping
- 0, // tp_hash
- 0, // tp_call
- 0, // tp_str
- 0, // tp_getattro
- 0, // tp_setattro
- 0, // tp_as_buffer
- Py_TPFLAGS_DEFAULT, // tp_flags
- "A Repeated scalar container", // tp_doc
- 0, // tp_traverse
- 0, // tp_clear
- (richcmpfunc)repeated_scalar_container::RichCompare, // tp_richcompare
- 0, // tp_weaklistoffset
- 0, // tp_iter
- 0, // tp_iternext
- repeated_scalar_container::Methods, // tp_methods
- 0, // tp_members
- 0, // tp_getset
- 0, // tp_base
- 0, // tp_dict
- 0, // tp_descr_get
- 0, // tp_descr_set
- 0, // tp_dictoffset
- 0, // tp_init
-};
-
-} // namespace python
-} // namespace protobuf
-} // namespace google
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