Drop Python 3.7 and Python 3.8 support (#134)

.github/workflows/ci.yaml

@@ -25,7 +25,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.7", "3.8", "3.9"]
+        python-version: ["3.9", "3.10", "3.11"]
     steps:
       - uses: actions/checkout@v3
 

.github/workflows/nightly.yaml

@@ -28,7 +28,7 @@ jobs:
           micromamba-version: "latest"
           environment-file: ci/environment-upstream-dev.yml
           extra-specs: |
-            python=3.9
+            python=3.10
       - name: Install intake-thredds
         run: |
           python -m pip install . --no-deps

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.black]
 line-length = 100
-target-version = ['py38']
+target-version = ['py39']
 skip-string-normalization = true
 
 [build-system]
@@ -9,7 +9,7 @@ requires = ["setuptools>=45", "wheel", "setuptools_scm>=6.2"]
 
 [tool.ruff]
 line-length = 100
-target-version = "py38"
+target-version = "py39"
 builtins = ["ellipsis"]
 # Exclude a variety of commonly ignored directories.
 exclude = [

setup.py

@@ -19,9 +19,9 @@
     'Intended Audience :: Science/Research',
     'Programming Language :: Python',
     'Programming Language :: Python :: 3',
-    'Programming Language :: Python :: 3.7',
-    'Programming Language :: Python :: 3.8',
     'Programming Language :: Python :: 3.9',
+    'Programming Language :: Python :: 3.10',
+    'Programming Language :: Python :: 3.11',
     'Topic :: Scientific/Engineering',
 ]
 
@@ -31,7 +31,7 @@
     description='Intake interface to THREDDS data catalogs.',
     long_description=long_description,
     long_description_content_type='text/markdown',
-    python_requires='>=3.7',
+    python_requires='>=3.9',
     maintainer='NCAR XDev Team',
     maintainer_email='[email protected]',
     url='https://github.com/intake/intake-thredds',