Improve engine.create (#91)

* Improve `engine.create`

* Updates based on PR feedback

sqlalchemy-stubs/engine/create.pyi

@@ -1,16 +1,146 @@
 from typing import Any
+from typing import Callable
+from typing import Dict
+from typing import List
+from typing import Optional
+from typing import overload
+from typing import Type
 from typing import Union
 
-from . import base as base
+from typing_extensions import Literal
+
 from .base import Engine
-from .mock import create_mock_engine as create_mock_engine
 from .url import URL
-from .. import event as event
-from .. import exc as exc
-from .. import util as util
-from ..sql import compiler as compiler
+from ..future import Engine as FutureEngine
+from ..pool import Pool
 
-def create_engine(url: Union[str, URL], **kwargs: Any) -> Engine: ...
+_Debug = Literal["debug"]
+_IsolationLevel = Literal[
+    "SERIALIZABLE",
+    "REPEATABLE READ",
+    "READ COMMITTED",
+    "READ UNCOMMITTED",
+    "AUTOCOMMIT",
+]
+_ParamStyle = Literal["qmark", "numeric", "named", "format", "pyformat"]
+_ResetOnReturn = Literal["rollback", "commit"]
+@overload
+def create_engine(
+    url: Union[str, URL],
+    *,
+    case_sensitive: bool = ...,
+    connect_args: Dict[Any, Any] = ...,
+    convert_unicode: bool = ...,
+    creator: Callable[..., Any] = ...,
+    echo: Union[bool, _Debug] = ...,
+    echo_pool: Union[bool, _Debug] = ...,
+    enable_from_linting: bool = ...,
+    encoding: str = ...,
+    execution_options: Dict[Any, Any] = ...,
+    future: Literal[True],
+    hide_parameters: bool = ...,
+    implicit_returning: bool = ...,
+    isolation_level: _IsolationLevel = ...,
+    json_deserializer: Callable[..., Any] = ...,
+    json_serializer: Callable[..., Any] = ...,
+    label_length: Optional[int] = ...,
+    listeners: Any = ...,
+    logging_name: str = ...,
+    max_identifier_length: Optional[int] = ...,
+    max_overflow: int = ...,
+    module: Optional[Any] = ...,
+    paramstyle: Optional[_ParamStyle] = ...,
+    pool: Optional[Pool] = ...,
+    poolclass: Optional[Type[Pool]] = ...,
+    pool_logging_name: str = ...,
+    pool_pre_ping: bool = ...,
+    pool_size: int = ...,
+    pool_recycle: int = ...,
+    pool_reset_on_return: Optional[_ResetOnReturn] = ...,
+    pool_timeout: float = ...,
+    pool_use_lifo: bool = ...,
+    plugins: List[str] = ...,
+    query_cache_size: int = ...,
+    **kwargs: Any,
+) -> FutureEngine: ...
+@overload
+def create_engine(
+    url: Union[str, URL],
+    *,
+    case_sensitive: bool = ...,
+    connect_args: Dict[Any, Any] = ...,
+    convert_unicode: bool = ...,
+    creator: Callable[..., Any] = ...,
+    echo: Union[bool, _Debug] = ...,
+    echo_pool: Union[bool, _Debug] = ...,
+    enable_from_linting: bool = ...,
+    encoding: str = ...,
+    execution_options: Dict[Any, Any] = ...,
+    future: Literal[False] = ...,
+    hide_parameters: bool = ...,
+    implicit_returning: bool = ...,
+    isolation_level: _IsolationLevel = ...,
+    json_deserializer: Callable[..., Any] = ...,
+    json_serializer: Callable[..., Any] = ...,
+    label_length: Optional[int] = ...,
+    listeners: Any = ...,
+    logging_name: str = ...,
+    max_identifier_length: Optional[int] = ...,
+    max_overflow: int = ...,
+    module: Optional[Any] = ...,
+    paramstyle: Optional[_ParamStyle] = ...,
+    pool: Optional[Pool] = ...,
+    poolclass: Optional[Type[Pool]] = ...,
+    pool_logging_name: str = ...,
+    pool_pre_ping: bool = ...,
+    pool_size: int = ...,
+    pool_recycle: int = ...,
+    pool_reset_on_return: Optional[_ResetOnReturn] = ...,
+    pool_timeout: float = ...,
+    pool_use_lifo: bool = ...,
+    plugins: List[str] = ...,
+    query_cache_size: int = ...,
+    **kwargs: Any,
+) -> Engine: ...
+@overload
+def create_engine(
+    url: Union[str, URL],
+    *,
+    case_sensitive: bool = ...,
+    connect_args: Dict[Any, Any] = ...,
+    convert_unicode: bool = ...,
+    creator: Callable[..., Any] = ...,
+    echo: Union[bool, _Debug] = ...,
+    echo_pool: Union[bool, _Debug] = ...,
+    enable_from_linting: bool = ...,
+    encoding: str = ...,
+    execution_options: Dict[Any, Any] = ...,
+    future: Union[bool],
+    hide_parameters: bool = ...,
+    implicit_returning: bool = ...,
+    isolation_level: _IsolationLevel = ...,
+    json_deserializer: Callable[..., Any] = ...,
+    json_serializer: Callable[..., Any] = ...,
+    label_length: Optional[int] = ...,
+    listeners: Any = ...,
+    logging_name: str = ...,
+    max_identifier_length: Optional[int] = ...,
+    max_overflow: int = ...,
+    module: Optional[Any] = ...,
+    paramstyle: Optional[_ParamStyle] = ...,
+    pool: Optional[Pool] = ...,
+    poolclass: Optional[Type[Pool]] = ...,
+    pool_logging_name: str = ...,
+    pool_pre_ping: bool = ...,
+    pool_size: int = ...,
+    pool_recycle: int = ...,
+    pool_reset_on_return: Optional[_ResetOnReturn] = ...,
+    pool_timeout: float = ...,
+    pool_use_lifo: bool = ...,
+    plugins: List[str] = ...,
+    query_cache_size: int = ...,
+    **kwargs: Any,
+) -> Union[Engine, FutureEngine]: ...
 def engine_from_config(
     configuration: Any, prefix: str = ..., **kwargs: Any
 ) -> Engine: ...