make terracotta compatible with python 3.13

.github/workflows/test.yml

@@ -24,7 +24,7 @@ jobs:
 
       matrix:
         os: [ubuntu-latest]
-        python-version: ["3.9", "3.12"]
+        python-version: ["3.9", "3.13"]
 
     defaults:
       run:
@@ -107,7 +107,7 @@ jobs:
 
       matrix:
         os: [macos-latest, windows-latest]
-        python-version: ["3.9", "3.12"]
+        python-version: ["3.9", "3.13"]
 
     defaults:
       run:

docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.12.2-slim-bullseye AS build_wheel
+FROM python:3.13.3-slim-bullseye AS build_wheel
 
 RUN apt-get update \
     && apt-get install \
@@ -15,7 +15,7 @@ RUN python -m pip install --upgrade pip \
     && python setup.py bdist_wheel
 
 
-FROM python:3.12.2-slim-bullseye
+FROM python:3.13.3-slim-bullseye
 
 COPY --from=build_wheel /terracotta/dist/*.whl /terracotta/
 

setup.cfg

@@ -19,7 +19,8 @@ filterwarnings =
   ignore:numpy.dtype size changed:RuntimeWarning
   ignore:numpy.ufunc size changed:RuntimeWarning
   # sometimes, dependencies leak resources
-  ignore:.*socket\.socket.*:pytest.PytestUnraisableExceptionWarning
+  ignore:unclosed database in <sqlite3.Connection:ResourceWarning
+  ignore:.*socket\.socket.*
 
 [mypy]
 show_error_codes = True

setup.py

@@ -39,6 +39,7 @@
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
         "Framework :: Flask",
         "Operating System :: Microsoft :: Windows :: Windows 10",
         "Operating System :: MacOS :: MacOS X",

terracotta/drivers/mysql_meta_store.py

@@ -33,7 +33,7 @@ class MySQLMetaStore(RelationalMetaStore):
     SQL_TIMEOUT_KEY = "connect_timeout"
 
     _CHARSET = "utf8mb4"
-    SQLA_STRING = functools.partial(VARCHAR, charset=_CHARSET)
+    SQLA_STRING = staticmethod(functools.partial(VARCHAR, charset=_CHARSET))
 
     MAX_PRIMARY_KEY_SIZE = 767 // 4  # Max key length for MySQL is at least 767B
     DEFAULT_PORT = 3306

terracotta/handlers/compute.py

@@ -4,7 +4,7 @@
 """
 
 from typing import Sequence, Tuple, Mapping, Optional, TypeVar
-from typing.io import BinaryIO
+from typing import BinaryIO
 from concurrent.futures import Future
 
 from terracotta import get_settings, get_driver, image, xyz, exceptions

terracotta/handlers/rgb.py

@@ -4,7 +4,7 @@
 """
 
 from typing import Sequence, Tuple, Optional, TypeVar
-from typing.io import BinaryIO
+from typing import BinaryIO
 from concurrent.futures import Future
 
 from terracotta import get_settings, get_driver, image, xyz, exceptions

terracotta/handlers/singleband.py

@@ -4,7 +4,7 @@
 """
 
 from typing import Sequence, Mapping, Union, Tuple, Optional, TypeVar, cast
-from typing.io import BinaryIO
+from typing import BinaryIO
 
 import collections
 

terracotta/image.py

@@ -4,7 +4,7 @@
 """
 
 from typing import List, Sequence, Tuple, TypeVar, Union
-from typing.io import BinaryIO
+from typing import BinaryIO
 
 from io import BytesIO