Fix typechecking

Author: AdrienVannson

src/betterproto2/__init__.py

@@ -927,7 +927,7 @@ def load(
         return self
 
     @classmethod
-    def parse(cls, data: bytes) -> T:
+    def parse(cls, data: bytes) -> Self:
         """
         Parse the binary encoded Protobuf into this message instance. This
         returns the instance itself and is therefore assignable and chainable.
@@ -1206,21 +1206,22 @@ def _validate_field_groups(cls, values):
 Message.__annotations__ = {}  # HACK to avoid typing.get_type_hints breaking :)
 
 
-try:
-    import betterproto2_rust_codec  # pyright: ignore[reportMissingImports]
-except ModuleNotFoundError:
-    pass
-else:
+# The Rust codec is not available for now
+# try:
+#     import betterproto2_rust_codec  # pyright: ignore[reportMissingImports]
+# except ModuleNotFoundError:
+#     pass
+# else:
 
-    def parse_patched(self, data: bytes) -> Message:
-        betterproto2_rust_codec.deserialize(self, data)
-        return self
+#     def parse_patched(self, data: bytes) -> Message:
+#         betterproto2_rust_codec.deserialize(self, data)
+#         return self
 
-    def bytes_patched(self) -> bytes:
-        return betterproto2_rust_codec.serialize(self)
+#     def bytes_patched(self) -> bytes:
+#         return betterproto2_rust_codec.serialize(self)
 
-    Message.parse = parse_patched
-    Message.__bytes__ = bytes_patched
+#     Message.parse = parse_patched
+#     Message.__bytes__ = bytes_patched
 
 
 def which_one_of(message: Message, group_name: str) -> tuple[str, Any | None]: