ENH: Add read_table

Fully add read table and supporting classes

Author: bashtage

pandas-stubs/_libs/lib.pyi

@@ -1,5 +1,14 @@
 from __future__ import annotations
 
+from enum import Enum
+
 no_default = None
 
+from typing import Literal
+
+class _NoDefault(Enum):
+    no_default = ...
+
+NoDefault = Literal[_NoDefault.no_default]
+
 def infer_dtype(value: object, skipna: bool = ...) -> str: ...

pandas-stubs/_typing.pyi

@@ -16,6 +16,7 @@ from typing import (
     AnyStr,
     Callable,
     Hashable,
+    Iterator,
     Literal,
     Mapping,
     Optional,
@@ -70,6 +71,15 @@ class WriteBuffer(BaseBuffer, Protocol[AnyStr_cov]): ...
 class ReadPickleBuffer(ReadBuffer[bytes], Protocol):
     def readline(self) -> AnyStr_cov: ...
 
+class WriteExcelBuffer(WriteBuffer[bytes], Protocol):
+    def truncate(self, size: int | None = ...) -> int: ...
+
+class ReadCsvBuffer(ReadBuffer[AnyStr_cov], Protocol[AnyStr_cov]):
+    def __iter__(self) -> Iterator[AnyStr_cov]: ...
+    def readline(self) -> AnyStr_cov: ...
+    @property
+    def closed(self) -> bool: ...
+
 FilePath = Union[str, PathLike[str]]
 
 Buffer = Union[IO[AnyStr], RawIOBase, BufferedIOBase, TextIOBase, TextIOWrapper, mmap]
@@ -211,4 +221,6 @@ GroupByObjectNonScalar = Union[
 ]
 GroupByObject = Union[Scalar, GroupByObjectNonScalar]
 
+CSVEngine = Literal["c", "python", "pyarrow", "python-fwf"]
+
 __all__ = ["npt", "type_t"]