From d339a0d17746ef1489e2553fbf1e504047462d81 Mon Sep 17 00:00:00 2001
From: jack-volantautonomy <jack@volantautonomy.com>
Date: Fri, 7 Aug 2026 09:55:52 +0100
Subject: [PATCH 1/3] Allow DatasetWriter

---
 stubs/rasterio/rasterio/_warp.pyi | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/stubs/rasterio/rasterio/_warp.pyi b/stubs/rasterio/rasterio/_warp.pyi
index b98484b6fd62..9e20035887c8 100644
--- a/stubs/rasterio/rasterio/_warp.pyi
+++ b/stubs/rasterio/rasterio/_warp.pyi
@@ -8,7 +8,7 @@ from rasterio._typing import CRSInput, Geometry, Indexes, ShapeND, WindowInput,
 from rasterio.control import GroundControlPoint
 from rasterio.crs import CRS
 from rasterio.enums import Resampling
-from rasterio.io import DatasetReader
+from rasterio.io import DatasetReader, DatasetWriter
 from rasterio.rpc import RPC
 
 SUPPORTED_RESAMPLING: Final[list[Resampling]]
@@ -67,7 +67,7 @@ def _suggested_proxy_vrt_doc(
 ) -> str: ...
 
 class WarpedVRTReaderBase(DatasetReaderBase):
-    src_dataset: DatasetReader
+    src_dataset: DatasetReader | DatasetWriter
     src_crs: CRS
     src_transform: Affine | None
     resampling: Resampling
@@ -79,7 +79,7 @@ class WarpedVRTReaderBase(DatasetReaderBase):
 
     def __init__(
         self,
-        src_dataset: DatasetReader,
+        src_dataset: DatasetReader | DatasetWriter,
         src_crs: CRSInput | None = None,
         crs: CRSInput | None = None,
         resampling: Resampling = ...,

From 8345e80115664258deeb632e323547536b5c47f4 Mon Sep 17 00:00:00 2001
From: jack-volantautonomy <jack@volantautonomy.com>
Date: Tue, 25 Aug 2026 17:04:38 +0100
Subject: [PATCH 2/3] PR comment

---
 stubs/rasterio/rasterio/_warp.pyi | 41 ++++++++++++++++++++++++++-----
 1 file changed, 35 insertions(+), 6 deletions(-)

diff --git a/stubs/rasterio/rasterio/_warp.pyi b/stubs/rasterio/rasterio/_warp.pyi
index 9e20035887c8..344844971c83 100644
--- a/stubs/rasterio/rasterio/_warp.pyi
+++ b/stubs/rasterio/rasterio/_warp.pyi
@@ -1,14 +1,15 @@
 from collections.abc import Sequence
-from typing import Any, Final
+from typing import Any, Final, overload
+from typing_extensions import deprecated
 
+from affine import Affine as Affine
 from numpy.typing import DTypeLike, NDArray
-from rasterio._affine_types import Affine
-from rasterio._io import DatasetReaderBase
+from rasterio._io import DatasetReaderBase, DatasetWriterBase
 from rasterio._typing import CRSInput, Geometry, Indexes, ShapeND, WindowInput, _GDALOption, _NestedScalar
 from rasterio.control import GroundControlPoint
 from rasterio.crs import CRS
+from rasterio.dtypes import dtype_ranges as dtype_ranges
 from rasterio.enums import Resampling
-from rasterio.io import DatasetReader, DatasetWriter
 from rasterio.rpc import RPC
 
 SUPPORTED_RESAMPLING: Final[list[Resampling]]
@@ -67,7 +68,7 @@ def _suggested_proxy_vrt_doc(
 ) -> str: ...
 
 class WarpedVRTReaderBase(DatasetReaderBase):
-    src_dataset: DatasetReader | DatasetWriter
+    src_dataset: DatasetReaderBase
     src_crs: CRS
     src_transform: Affine | None
     resampling: Resampling
@@ -77,9 +78,37 @@ class WarpedVRTReaderBase(DatasetReaderBase):
     working_dtype: DTypeLike | None
     warp_extras: dict[str, _GDALOption]
 
+    @overload
+    @deprecated(
+        "Source datasets opened in modes other than 'r' emit a "
+        "RasterioDeprecationWarning and will be disallowed in a future rasterio "
+        "release; reopen the dataset read-only before wrapping it."
+    )
     def __init__(
         self,
-        src_dataset: DatasetReader | DatasetWriter,
+        src_dataset: DatasetWriterBase,
+        src_crs: CRSInput | None = None,
+        crs: CRSInput | None = None,
+        resampling: Resampling = ...,
+        tolerance: float = 0.125,
+        src_nodata: float | None = ...,
+        nodata: float | None = ...,
+        width: int | None = None,
+        height: int | None = None,
+        src_transform: Affine | None = None,
+        transform: Affine | None = None,
+        init_dest_nodata: bool = True,
+        src_alpha: int = 0,
+        dst_alpha: int = 0,
+        add_alpha: bool = False,
+        warp_mem_limit: int = 0,
+        dtype: DTypeLike | None = None,
+        **warp_extras: _GDALOption,
+    ) -> None: ...
+    @overload
+    def __init__(
+        self,
+        src_dataset: DatasetReaderBase,
         src_crs: CRSInput | None = None,
         crs: CRSInput | None = None,
         resampling: Resampling = ...,

From 1c34d35fd95613b46d15186866b3b855f0d274e7 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Tue, 25 Aug 2026 16:08:07 +0000
Subject: [PATCH 3/3] [pre-commit.ci] auto fixes from pre-commit.com hooks

---
 stubs/rasterio/rasterio/_warp.pyi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/stubs/rasterio/rasterio/_warp.pyi b/stubs/rasterio/rasterio/_warp.pyi
index 344844971c83..a50b4e37564f 100644
--- a/stubs/rasterio/rasterio/_warp.pyi
+++ b/stubs/rasterio/rasterio/_warp.pyi
@@ -127,6 +127,7 @@ class WarpedVRTReaderBase(DatasetReaderBase):
         dtype: DTypeLike | None = None,
         **warp_extras: _GDALOption,
     ) -> None: ...
+
     def read(  # type: ignore[override]
         self,
         indexes: Indexes | None = None,