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Try fixing mypy-protobuf backwards incompatibility (#4833)

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Currently, the only way forward would be to update `mypy` and `mypy-protobuf` at the same time, which causes pain. The imprecise fallback overloads can be removed later, I leave comments about this.

Co-authored-by: Ivan Levkivskyi <ilevkivskyi@dropbox.com>
This commit is contained in:
Ivan Levkivskyi
2020-12-18 13:35:28 +00:00
committed by GitHub
parent 90eb34a8be
commit 53d7813b3c
2 changed files with 24 additions and 2 deletions
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16
third_party/2and3/google/protobuf/internal/extension_dict.pyi vendored
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@@ -1,4 +1,4 @@
from typing import Any, Generic, Iterator, TypeVar
from typing import Any, Generic, Iterator, TypeVar, overload
from google.protobuf.descriptor import FieldDescriptor
from google.protobuf.message import Message
@@ -10,13 +10,27 @@ class _ExtensionFieldDescriptor(FieldDescriptor, Generic[_ContainerMessageT, _Ex
class _ExtensionDict(Generic[_ContainerMessageT]):
def __init__(self, extended_message: _ContainerMessageT) -> None: ...
# Dummy fallback overloads with FieldDescriptor are for backward compatibility with
# mypy-protobuf <= 1.23. We can drop them a few months after 1.24 releases.
@overload
def __getitem__(
self, extension_handle: _ExtensionFieldDescriptor[_ContainerMessageT, _ExtenderMessageT]
) -> _ExtenderMessageT: ...
@overload
def __getitem__(self, extension_handle: FieldDescriptor) -> Any: ...
@overload
def __setitem__(
self, extension_handle: _ExtensionFieldDescriptor[_ContainerMessageT, _ExtenderMessageT], value: _ExtenderMessageT
) -> None: ...
@overload
def __setitem__(self, extension_handle: FieldDescriptor, value: Any) -> None: ...
@overload
def __delitem__(self, extension_handle: _ExtensionFieldDescriptor[_ContainerMessageT, _ExtenderMessageT]) -> None: ...
@overload
def __delitem__(self, extension_handle: FieldDescriptor) -> None: ...
@overload
def __contains__(self, extension_handle: _ExtensionFieldDescriptor[_ContainerMessageT, _ExtenderMessageT]) -> bool: ...
@overload
def __contains__(self, extension_handle: FieldDescriptor) -> bool: ...
def __iter__(self) -> Iterator[_ExtensionFieldDescriptor[_ContainerMessageT, Any]]: ...
def __len__(self) -> int: ...

10
third_party/2and3/google/protobuf/message.pyi vendored
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@@ -1,5 +1,5 @@
import sys
from typing import Any, ByteString, Sequence, Tuple, Type, TypeVar, Union
from typing import Any, ByteString, Sequence, Tuple, Type, TypeVar, Union, overload
from .descriptor import Descriptor, FieldDescriptor
from .internal.extension_dict import _ExtensionDict, _ExtensionFieldDescriptor
@@ -30,8 +30,16 @@ class Message:
def SerializeToString(self, deterministic: bool = ...) -> bytes: ...
def SerializePartialToString(self, deterministic: bool = ...) -> bytes: ...
def ListFields(self) -> Sequence[Tuple[FieldDescriptor, Any]]: ...
# Dummy fallback overloads with FieldDescriptor are for backward compatibility with
# mypy-protobuf <= 1.23. We can drop them a few months after 1.24 releases.
@overload
def HasExtension(self: _M, extension_handle: _ExtensionFieldDescriptor[_M, Any]) -> bool: ...
@overload
def HasExtension(self, extension_handle: FieldDescriptor) -> bool: ...
@overload
def ClearExtension(self: _M, extension_handle: _ExtensionFieldDescriptor[_M, Any]) -> None: ...
@overload
def ClearExtension(self, extension_handle: FieldDescriptor) -> None: ...
def ByteSize(self) -> int: ...
@classmethod
def FromString(cls: Type[_M], s: _Serialized) -> _M: ...