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-rwxr-xr-xpython/google/protobuf/internal/python_message.py37
1 files changed, 26 insertions, 11 deletions
diff --git a/python/google/protobuf/internal/python_message.py b/python/google/protobuf/internal/python_message.py
index c363d843..975e3b4d 100755
--- a/python/google/protobuf/internal/python_message.py
+++ b/python/google/protobuf/internal/python_message.py
@@ -1010,11 +1010,16 @@ def _AddByteSizeMethod(message_descriptor, cls):
return self._cached_byte_size
size = 0
- for field_descriptor, field_value in self.ListFields():
- size += field_descriptor._sizer(field_value)
-
- for tag_bytes, value_bytes in self._unknown_fields:
- size += len(tag_bytes) + len(value_bytes)
+ descriptor = self.DESCRIPTOR
+ if descriptor.GetOptions().map_entry:
+ # Fields of map entry should always be serialized.
+ size = descriptor.fields_by_name['key']._sizer(self.key)
+ size += descriptor.fields_by_name['value']._sizer(self.value)
+ else:
+ for field_descriptor, field_value in self.ListFields():
+ size += field_descriptor._sizer(field_value)
+ for tag_bytes, value_bytes in self._unknown_fields:
+ size += len(tag_bytes) + len(value_bytes)
self._cached_byte_size = size
self._cached_byte_size_dirty = False
@@ -1053,11 +1058,20 @@ def _AddSerializePartialToStringMethod(message_descriptor, cls):
api_implementation.IsPythonDefaultSerializationDeterministic())
else:
deterministic = bool(deterministic)
- for field_descriptor, field_value in self.ListFields():
- field_descriptor._encoder(write_bytes, field_value, deterministic)
- for tag_bytes, value_bytes in self._unknown_fields:
- write_bytes(tag_bytes)
- write_bytes(value_bytes)
+
+ descriptor = self.DESCRIPTOR
+ if descriptor.GetOptions().map_entry:
+ # Fields of map entry should always be serialized.
+ descriptor.fields_by_name['key']._encoder(
+ write_bytes, self.key, deterministic)
+ descriptor.fields_by_name['value']._encoder(
+ write_bytes, self.value, deterministic)
+ else:
+ for field_descriptor, field_value in self.ListFields():
+ field_descriptor._encoder(write_bytes, field_value, deterministic)
+ for tag_bytes, value_bytes in self._unknown_fields:
+ write_bytes(tag_bytes)
+ write_bytes(value_bytes)
cls._InternalSerialize = InternalSerialize
@@ -1095,7 +1109,8 @@ def _AddMergeFromStringMethod(message_descriptor, cls):
new_pos = local_SkipField(buffer, new_pos, end, tag_bytes)
if new_pos == -1:
return pos
- if not is_proto3:
+ if (not is_proto3 or
+ api_implementation.GetPythonProto3PreserveUnknownsDefault()):
if not unknown_field_list:
unknown_field_list = self._unknown_fields = []
unknown_field_list.append(