fix #288 overviews should be NONE when overview_level=0

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ on:
     - '*'
   pull_request:
 env:
-  LATEST_PY_VERSION: '3.10'
+  LATEST_PY_VERSION: '3.12'
 
 jobs:
   tests:
@@ -21,11 +21,12 @@ jobs:
         - '3.9'
         - '3.10'
         - '3.11'
+        - '3.12'
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -59,9 +60,9 @@ jobs:
     runs-on: ubuntu-latest
     if: startsWith(github.event.ref, 'refs/tags') || github.event_name == 'release'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ env.LATEST_PY_VERSION }}
 

pyproject.toml

@@ -49,7 +49,7 @@ Documentation = "https://cogeotiff.github.io/rio-cogeo/"
 cogeo = "rio_cogeo.scripts.cli:cogeo"
 
 [build-system]
-requires = ["flit>=3.2,<4"]
+requires = ["flit_core>=3.2,<4"]
 build-backend = "flit_core.buildapi"
 
 [tool.flit.module]

rio_cogeo/cogeo.py

@@ -385,9 +385,9 @@ def cog_translate(  # noqa: C901
                     tags.update(
                         {
                             "TILING_SCHEME_NAME": tms.id or "CUSTOM",
-                            "TILING_SCHEME_ZOOM_LEVEL": zoom_level
-                            if zoom_level is not None
-                            else default_zoom,
+                            "TILING_SCHEME_ZOOM_LEVEL": (
+                                zoom_level if zoom_level is not None else default_zoom
+                            ),
                         }
                     )
                     if aligned_levels:
@@ -422,7 +422,8 @@ def cog_translate(  # noqa: C901
                         warnings.warn(
                             "With GDAL COG driver, mask band will be translated to an alpha band."
                         )
-
+                    if overview_level == 0:
+                        dst_kwargs["overviews"] = "NONE"
                     dst_kwargs["overview_resampling"] = overview_resampling
                     dst_kwargs["warp_resampling"] = resampling
                     dst_kwargs["blocksize"] = tilesize
@@ -749,9 +750,9 @@ def cog_info(
                 Height=src_dst.height,
                 Tiled=(src_dst.block_shapes[0][1] != src_dst.width),
                 Dtype=src_dst.dtypes[0],
-                Interleave=src_dst.interleaving.value
-                if src_dst.interleaving
-                else "UNKNOWN",
+                Interleave=(
+                    src_dst.interleaving.value if src_dst.interleaving else "UNKNOWN"
+                ),
                 AlphaBand=utils.has_alpha_band(src_dst),
                 InternalMask=utils.has_mask_band(src_dst),
                 Nodata=src_dst.nodata,

tests/conftest.py

@@ -1,5 +1,6 @@
 """``pytest`` configuration."""
 
+import os
 
 import pytest
 import rasterio
@@ -11,8 +12,23 @@
 # Define helpers to skip tests based on GDAL version
 gdal_version = GDALVersion.runtime()
 
+webp_tiff_path_rgb = os.path.join(
+    os.path.dirname(__file__), "fixtures", "image_webp.tif"
+)
+
+has_webp = False
+try:
+    with rasterio.open(webp_tiff_path_rgb) as src:
+        pass
+
+    has_webp = True
+
+except rasterio.RasterioIOError:
+    has_webp = False
+
+
 requires_webp = pytest.mark.skipif(
-    "WEBP" not in drivers.keys(), reason="Only relevant if WEBP drivers is supported"
+    has_webp is False, reason="Only relevant if WEBP drivers is supported"
 )
 
 requires_gdal31 = pytest.mark.skipif(

tests/test_cogeo.py

@@ -686,6 +686,37 @@ def test_gdal_cog_web_mask(runner):
             assert cog_validate("cogeo.tif")
 
 
+@requires_gdal31
+def test_gdal_cog_overview(runner):
+    """Test GDAL COG."""
+    with runner.isolated_filesystem():
+        profile = cog_profiles.get("jpeg")
+        profile["blockxsize"] = 256
+        profile["blockysize"] = 256
+
+        cog_translate(
+            raster_path_rgba,
+            "gdalcogeo.tif",
+            profile.copy(),
+            quiet=True,
+            use_cog_driver=True,
+            overview_level=0,
+        )
+        with rasterio.open("gdalcogeo.tif") as src:
+            assert src.overviews(1) == []
+
+        cog_translate(
+            raster_path_rgba,
+            "gdalcogeo.tif",
+            profile.copy(),
+            quiet=True,
+            use_cog_driver=True,
+            overview_level=None,
+        )
+        with rasterio.open("gdalcogeo.tif") as src:
+            assert src.overviews(1) == [2]
+
+
 def test_info_with_metadata():
     """Make sure info returns band metadata."""
     info = cog_info(raster_band_tags)