From 647a3939c89f236033c06afe120c8e879bf1f853 Mon Sep 17 00:00:00 2001
From: Brock <jbrockmendel@gmail.com>
Date: Sat, 20 Mar 2021 10:26:16 -0700
Subject: [PATCH 1/3] DOC: suppress warnings from CategoricalBlock deprecation

---
 doc/source/user_guide/io.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/doc/source/user_guide/io.rst b/doc/source/user_guide/io.rst
index cf153ddd2cbbd..3b7a6037a9715 100644
--- a/doc/source/user_guide/io.rst
+++ b/doc/source/user_guide/io.rst
@@ -5240,6 +5240,7 @@ Write to a feather file.
 Read from a feather file.
 
 .. ipython:: python
+   :okwarning:
 
    result = pd.read_feather("example.feather")
    result
@@ -5323,6 +5324,7 @@ Write to a parquet file.
 Read from a parquet file.
 
 .. ipython:: python
+   :okwarning:
 
    result = pd.read_parquet("example_fp.parquet", engine="fastparquet")
    result = pd.read_parquet("example_pa.parquet", engine="pyarrow")

From 08f63684cfb749dd0e03558c42b03c57141f87dd Mon Sep 17 00:00:00 2001
From: Brock <jbrockmendel@gmail.com>
Date: Sat, 20 Mar 2021 21:05:52 -0700
Subject: [PATCH 2/3] TYP: internals.pyi

---
 pandas/_libs/internals.pyi | 48 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 pandas/_libs/internals.pyi

diff --git a/pandas/_libs/internals.pyi b/pandas/_libs/internals.pyi
new file mode 100644
index 0000000000000..f31334b1f8935
--- /dev/null
+++ b/pandas/_libs/internals.pyi
@@ -0,0 +1,48 @@
+from typing import (
+    Iterator,
+    Sequence,
+    overload,
+)
+
+import numpy as np
+
+def slice_len(slc: slice, objlen: int = ...) -> int: ...
+
+
+def get_blkno_indexers(
+    blknos: np.ndarray,  # int64_t[:]
+    group: bool = ...,
+) -> list[tuple[int, slice | np.ndarray]]: ...
+
+
+def get_blkno_placements(
+    blknos: np.ndarray,
+    group: bool = ...,
+) -> Iterator[tuple[int, BlockPlacement]]: ...
+
+
+class BlockPlacement:
+    def __init__(self, val: int | slice | np.ndarray): ...
+
+    @property
+    def indexer(self) -> np.ndarray | slice: ...
+
+    @property
+    def as_array(self) -> np.ndarray: ...
+
+    @property
+    def is_slice_like(self) -> bool: ...
+
+    @overload
+    def __getitem__(self, loc: slice | Sequence[int]) -> BlockPlacement: ...
+
+    @overload
+    def __getitem__(self, loc: int) -> int: ...
+
+    def __iter__(self) -> Iterator[int]: ...
+
+    def __len__(self) -> int: ...
+
+    def delete(self, loc) -> BlockPlacement: ...
+
+    def append(self, others: list[BlockPlacement]) -> BlockPlacement: ...

From 1fbea04acf66bed628bbed46a4ef5d5b0ba3830b Mon Sep 17 00:00:00 2001
From: Brock <jbrockmendel@gmail.com>
Date: Fri, 26 Mar 2021 16:15:57 -0700
Subject: [PATCH 3/3] add Block to internals.pyi

---
 pandas/_libs/internals.pyi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pandas/_libs/internals.pyi b/pandas/_libs/internals.pyi
index f31334b1f8935..446ee299698c5 100644
--- a/pandas/_libs/internals.pyi
+++ b/pandas/_libs/internals.pyi
@@ -6,6 +6,8 @@ from typing import (
 
 import numpy as np
 
+from pandas._typing import ArrayLike
+
 def slice_len(slc: slice, objlen: int = ...) -> int: ...
 
 
@@ -46,3 +48,11 @@ class BlockPlacement:
     def delete(self, loc) -> BlockPlacement: ...
 
     def append(self, others: list[BlockPlacement]) -> BlockPlacement: ...
+
+
+class Block:
+    _mgr_locs: BlockPlacement
+    ndim: int
+    values: ArrayLike
+
+    def __init__(self, values: ArrayLike, placement: BlockPlacement, ndim: int): ...