Python google.protobuf.descriptor.OneofDescriptor() Examples

The following are code examples for showing how to use google.protobuf.descriptor.OneofDescriptor(). They are from open source Python projects. You can vote up the examples you like or vote down the ones you don't like.

Example 1
Project: bigquerylayers   Author: smandaric   File: python_message.py    GNU General Public License v3.0 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  is_proto3 = (message_descriptor.syntax == "proto3")
  error_msg = _PROTO3_ERROR_TEMPLATE if is_proto3 else _PROTO2_ERROR_TEMPLATE

  hassable_fields = {}
  for field in message_descriptor.fields:
    if field.label == _FieldDescriptor.LABEL_REPEATED:
      continue
    # For proto3, only submessages and fields inside a oneof have presence.
    if (is_proto3 and field.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE and
        not field.containing_oneof):
      continue
    hassable_fields[field.name] = field

  if not is_proto3:
    # Fields inside oneofs are never repeated (enforced by the compiler).
    for oneof in message_descriptor.oneofs:
      hassable_fields[oneof.name] = oneof

  def HasField(self, field_name):
    try:
      field = hassable_fields[field_name]
    except KeyError:
      raise ValueError(error_msg % (message_descriptor.full_name, field_name))

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField 
Example 2
Project: RouteOptimization   Author: andre-le   File: python_message.py    MIT License 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  is_proto3 = (message_descriptor.syntax == "proto3")
  error_msg = _Proto3HasError if is_proto3 else _Proto2HasError

  hassable_fields = {}
  for field in message_descriptor.fields:
    if field.label == _FieldDescriptor.LABEL_REPEATED:
      continue
    # For proto3, only submessages and fields inside a oneof have presence.
    if (is_proto3 and field.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE and
        not field.containing_oneof):
      continue
    hassable_fields[field.name] = field

  if not is_proto3:
    # Fields inside oneofs are never repeated (enforced by the compiler).
    for oneof in message_descriptor.oneofs:
      hassable_fields[oneof.name] = oneof

  def HasField(self, field_name):
    try:
      field = hassable_fields[field_name]
    except KeyError:
      raise ValueError(error_msg % field_name)

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField 
Example 3
Project: deoplete-asm   Author: deoplete-plugins   File: python_message.py    MIT License 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  is_proto3 = (message_descriptor.syntax == "proto3")
  error_msg = _Proto3HasError if is_proto3 else _Proto2HasError

  hassable_fields = {}
  for field in message_descriptor.fields:
    if field.label == _FieldDescriptor.LABEL_REPEATED:
      continue
    # For proto3, only submessages and fields inside a oneof have presence.
    if (is_proto3 and field.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE and
        not field.containing_oneof):
      continue
    hassable_fields[field.name] = field

  if not is_proto3:
    # Fields inside oneofs are never repeated (enforced by the compiler).
    for oneof in message_descriptor.oneofs:
      hassable_fields[oneof.name] = oneof

  def HasField(self, field_name):
    try:
      field = hassable_fields[field_name]
    except KeyError:
      raise ValueError(error_msg % field_name)

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField 
Example 4
Project: FUTU_Stop_Loss   Author: BigtoC   File: python_message.py    MIT License 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  is_proto3 = (message_descriptor.syntax == "proto3")
  error_msg = _Proto3HasError if is_proto3 else _Proto2HasError

  hassable_fields = {}
  for field in message_descriptor.fields:
    if field.label == _FieldDescriptor.LABEL_REPEATED:
      continue
    # For proto3, only submessages and fields inside a oneof have presence.
    if (is_proto3 and field.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE and
        not field.containing_oneof):
      continue
    hassable_fields[field.name] = field

  if not is_proto3:
    # Fields inside oneofs are never repeated (enforced by the compiler).
    for oneof in message_descriptor.oneofs:
      hassable_fields[oneof.name] = oneof

  def HasField(self, field_name):
    try:
      field = hassable_fields[field_name]
    except KeyError:
      raise ValueError(error_msg % field_name)

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField 
Example 5
Project: auto-alt-text-lambda-api   Author: abhisuri97   File: python_message.py    MIT License 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  is_proto3 = (message_descriptor.syntax == "proto3")
  error_msg = _Proto3HasError if is_proto3 else _Proto2HasError

  hassable_fields = {}
  for field in message_descriptor.fields:
    if field.label == _FieldDescriptor.LABEL_REPEATED:
      continue
    # For proto3, only submessages and fields inside a oneof have presence.
    if (is_proto3 and field.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE and
        not field.containing_oneof):
      continue
    hassable_fields[field.name] = field

  if not is_proto3:
    # Fields inside oneofs are never repeated (enforced by the compiler).
    for oneof in message_descriptor.oneofs:
      hassable_fields[oneof.name] = oneof

  def HasField(self, field_name):
    try:
      field = hassable_fields[field_name]
    except KeyError:
      raise ValueError(error_msg % field_name)

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField 
Example 6
Project: chrome_os_updater   Author: MuntashirAkon   File: python_message.py    GNU General Public License v3.0 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  is_proto3 = (message_descriptor.syntax == "proto3")
  error_msg = _PROTO3_ERROR_TEMPLATE if is_proto3 else _PROTO2_ERROR_TEMPLATE

  hassable_fields = {}
  for field in message_descriptor.fields:
    if field.label == _FieldDescriptor.LABEL_REPEATED:
      continue
    # For proto3, only submessages and fields inside a oneof have presence.
    if (is_proto3 and field.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE and
        not field.containing_oneof):
      continue
    hassable_fields[field.name] = field

  if not is_proto3:
    # Fields inside oneofs are never repeated (enforced by the compiler).
    for oneof in message_descriptor.oneofs:
      hassable_fields[oneof.name] = oneof

  def HasField(self, field_name):
    try:
      field = hassable_fields[field_name]
    except KeyError:
      raise ValueError(error_msg % (message_descriptor.full_name, field_name))

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField 
Example 7
Project: poker   Author: surgebiswas   File: python_message.py    MIT License 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  is_proto3 = (message_descriptor.syntax == "proto3")
  error_msg = _Proto3HasError if is_proto3 else _Proto2HasError

  hassable_fields = {}
  for field in message_descriptor.fields:
    if field.label == _FieldDescriptor.LABEL_REPEATED:
      continue
    # For proto3, only submessages and fields inside a oneof have presence.
    if (is_proto3 and field.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE and
        not field.containing_oneof):
      continue
    hassable_fields[field.name] = field

  if not is_proto3:
    # Fields inside oneofs are never repeated (enforced by the compiler).
    for oneof in message_descriptor.oneofs:
      hassable_fields[oneof.name] = oneof

  def HasField(self, field_name):
    try:
      field = hassable_fields[field_name]
    except KeyError:
      raise ValueError(error_msg % field_name)

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField 
Example 8
Project: poker   Author: surgebiswas   File: python_message.py    MIT License 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  is_proto3 = (message_descriptor.syntax == "proto3")
  error_msg = _Proto3HasError if is_proto3 else _Proto2HasError

  hassable_fields = {}
  for field in message_descriptor.fields:
    if field.label == _FieldDescriptor.LABEL_REPEATED:
      continue
    # For proto3, only submessages and fields inside a oneof have presence.
    if (is_proto3 and field.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE and
        not field.containing_oneof):
      continue
    hassable_fields[field.name] = field

  if not is_proto3:
    # Fields inside oneofs are never repeated (enforced by the compiler).
    for oneof in message_descriptor.oneofs:
      hassable_fields[oneof.name] = oneof

  def HasField(self, field_name):
    try:
      field = hassable_fields[field_name]
    except KeyError:
      raise ValueError(error_msg % field_name)

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField 
Example 9
Project: syndicate-core   Author: syndicate-storage   File: python_message.py    Apache License 2.0 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  is_proto3 = (message_descriptor.syntax == "proto3")
  error_msg = _Proto3HasError if is_proto3 else _Proto2HasError

  hassable_fields = {}
  for field in message_descriptor.fields:
    if field.label == _FieldDescriptor.LABEL_REPEATED:
      continue
    # For proto3, only submessages and fields inside a oneof have presence.
    if (is_proto3 and field.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE and
        not field.containing_oneof):
      continue
    hassable_fields[field.name] = field

  if not is_proto3:
    # Fields inside oneofs are never repeated (enforced by the compiler).
    for oneof in message_descriptor.oneofs:
      hassable_fields[oneof.name] = oneof

  def HasField(self, field_name):
    try:
      field = hassable_fields[field_name]
    except KeyError:
      raise ValueError(error_msg % field_name)

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField 
Example 10
Project: Emotion-Evaluator   Author: Attriumph   File: python_message.py    MIT License 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  is_proto3 = (message_descriptor.syntax == "proto3")
  error_msg = _PROTO3_ERROR_TEMPLATE if is_proto3 else _PROTO2_ERROR_TEMPLATE

  hassable_fields = {}
  for field in message_descriptor.fields:
    if field.label == _FieldDescriptor.LABEL_REPEATED:
      continue
    # For proto3, only submessages and fields inside a oneof have presence.
    if (is_proto3 and field.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE and
        not field.containing_oneof):
      continue
    hassable_fields[field.name] = field

  if not is_proto3:
    # Fields inside oneofs are never repeated (enforced by the compiler).
    for oneof in message_descriptor.oneofs:
      hassable_fields[oneof.name] = oneof

  def HasField(self, field_name):
    try:
      field = hassable_fields[field_name]
    except KeyError:
      raise ValueError(error_msg % (message_descriptor.full_name, field_name))

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField 
Example 11
Project: geofire-python   Author: ininex   File: python_message.py    MIT License 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  is_proto3 = (message_descriptor.syntax == "proto3")
  error_msg = _Proto3HasError if is_proto3 else _Proto2HasError

  hassable_fields = {}
  for field in message_descriptor.fields:
    if field.label == _FieldDescriptor.LABEL_REPEATED:
      continue
    # For proto3, only submessages and fields inside a oneof have presence.
    if (is_proto3 and field.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE and
        not field.containing_oneof):
      continue
    hassable_fields[field.name] = field

  if not is_proto3:
    # Fields inside oneofs are never repeated (enforced by the compiler).
    for oneof in message_descriptor.oneofs:
      hassable_fields[oneof.name] = oneof

  def HasField(self, field_name):
    try:
      field = hassable_fields[field_name]
    except KeyError:
      raise ValueError(error_msg % field_name)

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField 
Example 12
Project: go2mapillary   Author: enricofer   File: python_message.py    GNU General Public License v3.0 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  is_proto3 = (message_descriptor.syntax == "proto3")
  error_msg = _Proto3HasError if is_proto3 else _Proto2HasError

  hassable_fields = {}
  for field in message_descriptor.fields:
    if field.label == _FieldDescriptor.LABEL_REPEATED:
      continue
    # For proto3, only submessages and fields inside a oneof have presence.
    if (is_proto3 and field.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE and
        not field.containing_oneof):
      continue
    hassable_fields[field.name] = field

  if not is_proto3:
    # Fields inside oneofs are never repeated (enforced by the compiler).
    for oneof in message_descriptor.oneofs:
      hassable_fields[oneof.name] = oneof

  def HasField(self, field_name):
    try:
      field = hassable_fields[field_name]
    except KeyError:
      raise ValueError(error_msg % field_name)

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField 
Example 13
Project: luci-py   Author: luci   File: python_message.py    Apache License 2.0 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  is_proto3 = (message_descriptor.syntax == "proto3")
  error_msg = _Proto3HasError if is_proto3 else _Proto2HasError

  hassable_fields = {}
  for field in message_descriptor.fields:
    if field.label == _FieldDescriptor.LABEL_REPEATED:
      continue
    # For proto3, only submessages and fields inside a oneof have presence.
    if (is_proto3 and field.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE and
        not field.containing_oneof):
      continue
    hassable_fields[field.name] = field

  if not is_proto3:
    # Fields inside oneofs are never repeated (enforced by the compiler).
    for oneof in message_descriptor.oneofs:
      hassable_fields[oneof.name] = oneof

  def HasField(self, field_name):
    try:
      field = hassable_fields[field_name]
    except KeyError:
      raise ValueError(error_msg % field_name)

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField 
Example 14
Project: luci-py   Author: luci   File: python_message.py    Apache License 2.0 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  is_proto3 = (message_descriptor.syntax == "proto3")
  error_msg = _Proto3HasError if is_proto3 else _Proto2HasError

  hassable_fields = {}
  for field in message_descriptor.fields:
    if field.label == _FieldDescriptor.LABEL_REPEATED:
      continue
    # For proto3, only submessages and fields inside a oneof have presence.
    if (is_proto3 and field.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE and
        not field.containing_oneof):
      continue
    hassable_fields[field.name] = field

  if not is_proto3:
    # Fields inside oneofs are never repeated (enforced by the compiler).
    for oneof in message_descriptor.oneofs:
      hassable_fields[oneof.name] = oneof

  def HasField(self, field_name):
    try:
      field = hassable_fields[field_name]
    except KeyError:
      raise ValueError(error_msg % field_name)

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField 
Example 15
Project: luci-py   Author: luci   File: python_message.py    Apache License 2.0 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  is_proto3 = (message_descriptor.syntax == "proto3")
  error_msg = _Proto3HasError if is_proto3 else _Proto2HasError

  hassable_fields = {}
  for field in message_descriptor.fields:
    if field.label == _FieldDescriptor.LABEL_REPEATED:
      continue
    # For proto3, only submessages and fields inside a oneof have presence.
    if (is_proto3 and field.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE and
        not field.containing_oneof):
      continue
    hassable_fields[field.name] = field

  if not is_proto3:
    # Fields inside oneofs are never repeated (enforced by the compiler).
    for oneof in message_descriptor.oneofs:
      hassable_fields[oneof.name] = oneof

  def HasField(self, field_name):
    try:
      field = hassable_fields[field_name]
    except KeyError:
      raise ValueError(error_msg % field_name)

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField 
Example 16
Project: luci-py   Author: luci   File: python_message.py    Apache License 2.0 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  is_proto3 = (message_descriptor.syntax == "proto3")
  error_msg = _Proto3HasError if is_proto3 else _Proto2HasError

  hassable_fields = {}
  for field in message_descriptor.fields:
    if field.label == _FieldDescriptor.LABEL_REPEATED:
      continue
    # For proto3, only submessages and fields inside a oneof have presence.
    if (is_proto3 and field.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE and
        not field.containing_oneof):
      continue
    hassable_fields[field.name] = field

  if not is_proto3:
    # Fields inside oneofs are never repeated (enforced by the compiler).
    for oneof in message_descriptor.oneofs:
      hassable_fields[oneof.name] = oneof

  def HasField(self, field_name):
    try:
      field = hassable_fields[field_name]
    except KeyError:
      raise ValueError(error_msg % field_name)

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField 
Example 17
Project: luci-py   Author: luci   File: python_message.py    Apache License 2.0 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  is_proto3 = (message_descriptor.syntax == "proto3")
  error_msg = _Proto3HasError if is_proto3 else _Proto2HasError

  hassable_fields = {}
  for field in message_descriptor.fields:
    if field.label == _FieldDescriptor.LABEL_REPEATED:
      continue
    # For proto3, only submessages and fields inside a oneof have presence.
    if (is_proto3 and field.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE and
        not field.containing_oneof):
      continue
    hassable_fields[field.name] = field

  if not is_proto3:
    # Fields inside oneofs are never repeated (enforced by the compiler).
    for oneof in message_descriptor.oneofs:
      hassable_fields[oneof.name] = oneof

  def HasField(self, field_name):
    try:
      field = hassable_fields[field_name]
    except KeyError:
      raise ValueError(error_msg % field_name)

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField 
Example 18
Project: kastodi   Author: kharts   File: python_message.py    GNU General Public License v2.0 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  is_proto3 = (message_descriptor.syntax == "proto3")
  error_msg = _Proto3HasError if is_proto3 else _Proto2HasError

  hassable_fields = {}
  for field in message_descriptor.fields:
    if field.label == _FieldDescriptor.LABEL_REPEATED:
      continue
    # For proto3, only submessages and fields inside a oneof have presence.
    if (is_proto3 and field.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE and
        not field.containing_oneof):
      continue
    hassable_fields[field.name] = field

  if not is_proto3:
    # Fields inside oneofs are never repeated (enforced by the compiler).
    for oneof in message_descriptor.oneofs:
      hassable_fields[oneof.name] = oneof

  def HasField(self, field_name):
    try:
      field = hassable_fields[field_name]
    except KeyError:
      raise ValueError(error_msg % field_name)

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField 
Example 19
Project: lambda-tensorflow-object-detection   Author: mikylucky   File: python_message.py    GNU General Public License v3.0 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  is_proto3 = (message_descriptor.syntax == "proto3")
  error_msg = _PROTO3_ERROR_TEMPLATE if is_proto3 else _PROTO2_ERROR_TEMPLATE

  hassable_fields = {}
  for field in message_descriptor.fields:
    if field.label == _FieldDescriptor.LABEL_REPEATED:
      continue
    # For proto3, only submessages and fields inside a oneof have presence.
    if (is_proto3 and field.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE and
        not field.containing_oneof):
      continue
    hassable_fields[field.name] = field

  if not is_proto3:
    # Fields inside oneofs are never repeated (enforced by the compiler).
    for oneof in message_descriptor.oneofs:
      hassable_fields[oneof.name] = oneof

  def HasField(self, field_name):
    try:
      field = hassable_fields[field_name]
    except KeyError:
      raise ValueError(error_msg % (message_descriptor.full_name, field_name))

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField 
Example 20
Project: weilai   Author: cherrishes   File: python_message.py    Apache License 2.0 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  singular_fields = {}
  for field in message_descriptor.fields:
    if field.label != _FieldDescriptor.LABEL_REPEATED:
      singular_fields[field.name] = field
  # Fields inside oneofs are never repeated (enforced by the compiler).
  for field in message_descriptor.oneofs:
    singular_fields[field.name] = field

  def HasField(self, field_name):
    try:
      field = singular_fields[field_name]
    except KeyError:
      raise ValueError(
          'Protocol message has no singular "%s" field.' % field_name)

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField 
Example 21
Project: weilai   Author: cherrishes   File: python_message.py    Apache License 2.0 5 votes vote down vote up
def _AddHasFieldMethod(message_descriptor, cls):
  """Helper for _AddMessageMethods()."""

  singular_fields = {}
  for field in message_descriptor.fields:
    if field.label != _FieldDescriptor.LABEL_REPEATED:
      singular_fields[field.name] = field
  # Fields inside oneofs are never repeated (enforced by the compiler).
  for field in message_descriptor.oneofs:
    singular_fields[field.name] = field

  def HasField(self, field_name):
    try:
      field = singular_fields[field_name]
    except KeyError:
      raise ValueError(
          'Protocol message has no singular "%s" field.' % field_name)

    if isinstance(field, descriptor_mod.OneofDescriptor):
      try:
        return HasField(self, self._oneofs[field].name)
      except KeyError:
        return False
    else:
      if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
        value = self._fields.get(field)
        return value is not None and value._is_present_in_parent
      else:
        return field in self._fields

  cls.HasField = HasField