PYTHON-4796 Update type checkers and handle with_options typing (#1880)

Author: blink1073

bson/__init__.py

@@ -1324,7 +1324,7 @@ def decode_iter(
         elements = data[position : position + obj_size]
         position += obj_size
 
-        yield _bson_to_dict(elements, opts)  # type:ignore[misc, type-var]
+        yield _bson_to_dict(elements, opts)  # type:ignore[misc]
 
 
 @overload
@@ -1370,7 +1370,7 @@ def decode_file_iter(
             raise InvalidBSON("cut off in middle of objsize")
         obj_size = _UNPACK_INT_FROM(size_data, 0)[0] - 4
         elements = size_data + file_obj.read(max(0, obj_size))
-        yield _bson_to_dict(elements, opts)  # type:ignore[type-var, arg-type, misc]
+        yield _bson_to_dict(elements, opts)  # type:ignore[arg-type, misc]
 
 
 def is_valid(bson: bytes) -> bool:

bson/decimal128.py

@@ -223,7 +223,7 @@ def __init__(self, value: _VALUE_OPTIONS) -> None:
                     "from list or tuple. Must have exactly 2 "
                     "elements."
                 )
-            self.__high, self.__low = value  # type: ignore
+            self.__high, self.__low = value
         else:
             raise TypeError(f"Cannot convert {value!r} to Decimal128")
 

bson/json_util.py

@@ -324,7 +324,7 @@ def __new__(
                 "JSONOptions.datetime_representation must be one of LEGACY, "
                 "NUMBERLONG, or ISO8601 from DatetimeRepresentation."
             )
-        self = cast(JSONOptions, super().__new__(cls, *args, **kwargs))  # type:ignore[arg-type]
+        self = cast(JSONOptions, super().__new__(cls, *args, **kwargs))
         if json_mode not in (JSONMode.LEGACY, JSONMode.RELAXED, JSONMode.CANONICAL):
             raise ValueError(
                 "JSONOptions.json_mode must be one of LEGACY, RELAXED, "

bson/son.py

@@ -68,7 +68,7 @@ def __init__(
         self.update(kwargs)
 
     def __new__(cls: Type[SON[_Key, _Value]], *args: Any, **kwargs: Any) -> SON[_Key, _Value]:
-        instance = super().__new__(cls, *args, **kwargs)  # type: ignore[type-var]
+        instance = super().__new__(cls, *args, **kwargs)
         instance.__keys = []
         return instance
 

hatch.toml

@@ -13,8 +13,9 @@ features = ["docs","test"]
 test = "sphinx-build -E -b doctest doc ./doc/_build/doctest"
 
 [envs.typing]
-features = ["encryption", "ocsp", "zstd", "aws"]
-dependencies = ["mypy==1.2.0","pyright==1.1.290", "certifi", "typing_extensions"]
+pre-install-commands = [
+  "pip install -q -r requirements/typing.txt",
+]
 [envs.typing.scripts]
 check-mypy = [
     "mypy --install-types --non-interactive bson gridfs tools pymongo",

pymongo/_csot.py

@@ -75,14 +75,13 @@ def __init__(self, timeout: Optional[float]):
         self._timeout = timeout
         self._tokens: Optional[tuple[Token[Optional[float]], Token[float], Token[float]]] = None
 
-    def __enter__(self) -> _TimeoutContext:
+    def __enter__(self) -> None:
         timeout_token = TIMEOUT.set(self._timeout)
         prev_deadline = DEADLINE.get()
         next_deadline = time.monotonic() + self._timeout if self._timeout else float("inf")
         deadline_token = DEADLINE.set(min(prev_deadline, next_deadline))
         rtt_token = RTT.set(0.0)
         self._tokens = (timeout_token, deadline_token, rtt_token)
-        return self
 
     def __exit__(self, exc_type: Any, exc_val: Any, exc_tb: Any) -> None:
         if self._tokens:

pymongo/asynchronous/collection.py

@@ -35,6 +35,7 @@
     TypeVar,
     Union,
     cast,
+    overload,
 )
 
 from bson.codec_options import DEFAULT_CODEC_OPTIONS, CodecOptions
@@ -332,13 +333,33 @@ def database(self) -> AsyncDatabase[_DocumentType]:
         """
         return self._database
 
+    @overload
+    def with_options(
+        self,
+        codec_options: None = None,
+        read_preference: Optional[_ServerMode] = ...,
+        write_concern: Optional[WriteConcern] = ...,
+        read_concern: Optional[ReadConcern] = ...,
+    ) -> AsyncCollection[_DocumentType]:
+        ...
+
+    @overload
+    def with_options(
+        self,
+        codec_options: bson.CodecOptions[_DocumentTypeArg],
+        read_preference: Optional[_ServerMode] = ...,
+        write_concern: Optional[WriteConcern] = ...,
+        read_concern: Optional[ReadConcern] = ...,
+    ) -> AsyncCollection[_DocumentTypeArg]:
+        ...
+
     def with_options(
         self,
         codec_options: Optional[bson.CodecOptions[_DocumentTypeArg]] = None,
         read_preference: Optional[_ServerMode] = None,
         write_concern: Optional[WriteConcern] = None,
         read_concern: Optional[ReadConcern] = None,
-    ) -> AsyncCollection[_DocumentType]:
+    ) -> AsyncCollection[_DocumentType] | AsyncCollection[_DocumentTypeArg]:
         """Get a clone of this collection changing the specified settings.
 
           >>> coll1.read_preference

pymongo/asynchronous/database.py

@@ -146,13 +146,33 @@ def name(self) -> str:
         """The name of this :class:`AsyncDatabase`."""
         return self._name
 
+    @overload
+    def with_options(
+        self,
+        codec_options: None = None,
+        read_preference: Optional[_ServerMode] = ...,
+        write_concern: Optional[WriteConcern] = ...,
+        read_concern: Optional[ReadConcern] = ...,
+    ) -> AsyncDatabase[_DocumentType]:
+        ...
+
+    @overload
+    def with_options(
+        self,
+        codec_options: bson.CodecOptions[_DocumentTypeArg],
+        read_preference: Optional[_ServerMode] = ...,
+        write_concern: Optional[WriteConcern] = ...,
+        read_concern: Optional[ReadConcern] = ...,
+    ) -> AsyncDatabase[_DocumentTypeArg]:
+        ...
+
     def with_options(
         self,
         codec_options: Optional[CodecOptions[_DocumentTypeArg]] = None,
         read_preference: Optional[_ServerMode] = None,
         write_concern: Optional[WriteConcern] = None,
         read_concern: Optional[ReadConcern] = None,
-    ) -> AsyncDatabase[_DocumentType]:
+    ) -> AsyncDatabase[_DocumentType] | AsyncDatabase[_DocumentTypeArg]:
         """Get a clone of this database changing the specified settings.
 
           >>> db1.read_preference

pymongo/asynchronous/pool.py

@@ -913,7 +913,7 @@ async def _configured_socket(
         and not options.tls_allow_invalid_hostnames
     ):
         try:
-            ssl.match_hostname(ssl_sock.getpeercert(), hostname=host)
+            ssl.match_hostname(ssl_sock.getpeercert(), hostname=host)  # type:ignore[attr-defined]
         except _CertificateError:
             ssl_sock.close()
             raise

pymongo/common.py

@@ -850,7 +850,7 @@ def get_normed_key(x: str) -> str:
             return x
 
         def get_setter_key(x: str) -> str:
-            return options.cased_key(x)  # type: ignore[attr-defined]
+            return options.cased_key(x)
 
     else:
         validated_options = {}