Dropping Python 3.8

Author: alxmrs

.github/workflows/ci.yml

@@ -33,11 +33,11 @@ jobs:
       fail-fast: false
       matrix:
         python-version: [
-          "3.8",
           "3.9",
           "3.10",
           "3.11",
           "3.12",
+          "3.13",
         ]
     steps:
     - name: Cancel previous

.python-version

@@ -0,0 +1 @@
+3.9

pyproject.toml

@@ -3,7 +3,7 @@ name = "xarray_sql"
 dynamic = ["version"]
 description = "Querry Xarray with SQL."
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 license = {text = "Apache-2.0"}
 authors = [
   {name = "Alexander Merose", email = "al@merose.com"},
@@ -17,11 +17,11 @@ classifiers = [
   "Operating System :: MacOS :: MacOS X",
   "Operating System :: Microsoft :: Windows",
   "Operating System :: POSIX",
-  "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Topic :: Scientific/Engineering :: Atmospheric Science",
   "Topic :: Database :: Front-Ends",
 ]
@@ -31,16 +31,23 @@ dependencies = [
 ]
 
 [project.optional-dependencies]
-test = [
-  "pytest",
+io = [
   "xarray[io]",
   "gcsfs",
 ]
+test = [
+  "xarray_sql[io]",
+  "pytest",
+]
 dev = [
   "xarray_sql[test]",
   "pyink",
   "py-spy"
 ]
+demo = [
+  "xarray_sql[io]",
+  "coiled",
+]
 
 [project.urls]
 Homepage = "https://github.com/alxmrs/xarray-sql"
@@ -59,4 +66,12 @@ preview = true
 pyink-indentation = 2
 pyink-use-majority-quotes = true
 
-[tool.setuptools_scm]
+[tool.setuptools_scm]
+
+[dependency-groups]
+dev = [
+  "pytest>=8.3.5",
+  "xarray_sql[test]",
+  "pyink",
+  "py-spy"
+]