I got this problem too! Can you explain why your first attemp generate
"wrong" file ?
在2023年8月1日星期二 UTC+8 22:32:49<Nikita Ig> 写道：
>
> Oh, I'm so sorry. I can understand my problems. I suppose that
> conversation may close and delete.
> On Tuesday, 1 August 2023 at 16:04:49 UTC+3 Nikita Ig wrote:
>
>> I installed protoc to my ubuntu and got version libprotoc 3.12.4
>> I reproduce all my steps and got typical example of pb2.py file consisted
>> all data
>>
>> # -*- coding: utf-8 -*-
>> # Generated by the protocol buffer compiler. DO NOT EDIT!
>> # source: test.proto
>>
>> from google.protobuf import descriptor as _descriptor
>> from google.protobuf import message as _message
>> from google.protobuf import reflection as _reflection
>>
>> from google.protobuf import symbol_database as _symbol_database
>> # @@protoc_insertion_point(imports)
>>
>> _sym_db = _symbol_database.Default()
>>
>>
>>
>>
>> DESCRIPTOR = _descriptor.FileDescriptor(
>> name='test.proto',
>> package='',
>> syntax='proto3',
>> serialized_options=None,
>> create_key=_descriptor._internal_create_key,
>>
>> serialized_pb=b'\n\ntest.proto\"M\n\rSearchRequest\x12\r\n\x05query\x18\x01
>> \x01(\t\x12\x13\n\x0bpage_number\x18\x02
>> \x01(\x05\x12\x18\n\x10results_per_page\x18\x03 \x01(\x05\x62\x06proto3'
>> )
>>
>>
>>
>>
>> _SEARCHREQUEST = _descriptor.Descriptor(
>> name='SearchRequest',
>> full_name='SearchRequest',
>> filename=None,
>> file=DESCRIPTOR,
>> containing_type=None,
>> create_key=_descriptor._internal_create_key,
>> fields=[
>> _descriptor.FieldDescriptor(
>> name='query', full_name='SearchRequest.query', index=0,
>> number=1, type=9, cpp_type=9, label=1,
>> has_default_value=False, default_value=b"".decode('utf-8'),
>> message_type=None, enum_type=None, containing_type=None,
>> is_extension=False, extension_scope=None,
>> serialized_options=None, file=DESCRIPTOR,
>> create_key=_descriptor._internal_create_key),
>> _descriptor.FieldDescriptor(
>> name='page_number', full_name='SearchRequest.page_number', index=1,
>> number=2, type=5, cpp_type=1, label=1,
>> has_default_value=False, default_value=0,
>> message_type=None, enum_type=None, containing_type=None,
>> is_extension=False, extension_scope=None,
>> serialized_options=None, file=DESCRIPTOR,
>> create_key=_descriptor._internal_create_key),
>> _descriptor.FieldDescriptor(
>> name='results_per_page',
>> full_name='SearchRequest.results_per_page', index=2,
>> number=3, type=5, cpp_type=1, label=1,
>> has_default_value=False, default_value=0,
>> message_type=None, enum_type=None, containing_type=None,
>> is_extension=False, extension_scope=None,
>> serialized_options=None, file=DESCRIPTOR,
>> create_key=_descriptor._internal_create_key),
>> ],
>> extensions=[
>> ],
>> nested_types=[],
>> enum_types=[
>> ],
>> serialized_options=None,
>> is_extendable=False,
>> syntax='proto3',
>> extension_ranges=[],
>> oneofs=[
>> ],
>> serialized_start=14,
>> serialized_end=91,
>> )
>>
>> DESCRIPTOR.message_types_by_name['SearchRequest'] = _SEARCHREQUEST
>> _sym_db.RegisterFileDescriptor(DESCRIPTOR)
>>
>> SearchRequest = _reflection.GeneratedProtocolMessageType('SearchRequest',
>> (_message.Message,), {
>> 'DESCRIPTOR' : _SEARCHREQUEST,
>> '__module__' : 'test_pb2'
>> # @@protoc_insertion_point(class_scope:SearchRequest)
>> })
>> _sym_db.RegisterMessage(SearchRequest)
>>
>>
>> # @@protoc_insertion_point(module_scope)
>>
>>
>> And I have a question - what did I wrong in my first attempt? Is it a
>> new version of protoc? or is it a problem in my Windows? Or anything else?
>> On Tuesday, 1 August 2023 at 14:35:32 UTC+3 Nikita Ig wrote:
>>
>>> Hello. I'm a rookie in protocol buffers and I'm trying to repeat example
>>> from documentation.
>>>
>>> Step 1. Installed protoc
>>> Step 2. Created test.proto file consisted this code:
>>> syntax = "proto3";
>>>
>>> message SearchRequest {
>>> string query = 1;
>>> int32 page_number = 2;
>>> int32 results_per_page = 3;
>>> }
>>> Step 3. I ran protoc with help command:
>>> protoc.exe --proto_path=${PWD}/protobuf --python_out=${PWD}/protobuf/
>>> ${PWD}/protobuf/test.proto
>>>
>>> Step 4. I got test_pb2.py file consisted this code:
>>> # -*- coding: utf-8 -*-
>>> # Generated by the protocol buffer compiler. DO NOT EDIT!
>>> # source: test.proto
>>> """Generated protocol buffer code."""
>>> from google.protobuf import descriptor as _descriptor
>>> from google.protobuf import descriptor_pool as _descriptor_pool
>>> from google.protobuf import symbol_database as _symbol_database
>>> from google.protobuf.internal import builder as _builder
>>> # @@protoc_insertion_point(imports)
>>>
>>> _sym_db = _symbol_database.Default()
>>>
>>>
>>>
>>>
>>> DESCRIPTOR =
>>> _descriptor_pool.Default().AddSerializedFile(b'\n\ntest.proto\"M\n\rSearchRequest\x12\r\n\x05query\x18\x01
>>>
>>> \x01(\t\x12\x13\n\x0bpage_number\x18\x02
>>> \x01(\x05\x12\x18\n\x10results_per_page\x18\x03 \x01(\x05\x62\x06proto3')
>>>
>>> _globals = globals()
>>> _builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals)
>>> _builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'test_pb2', _globals)
>>> if _descriptor._USE_C_DESCRIPTORS == False:
>>>
>>> DESCRIPTOR._options = None
>>> _globals['_SEARCHREQUEST']._serialized_start=14
>>> _globals['_SEARCHREQUEST']._serialized_end=91
>>> # @@protoc_insertion_point(module_scope)
>>>
>>> But documentation said about other format file for python generated file
>>> and I have no idea what I need to import in my producer for create message
>>> object. Generated file didn't contain any classes or something other entity
>>> for import.
>>>
>>> Thanks for any help.
>>>
>>
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