Bump minversion of dependencies.

Got rid of oldest-supported-numpy in build.

.github/workflows/ci_workflows.yml

@@ -82,8 +82,8 @@ jobs:
 
           - name: Test with old dependencies
             os: ubuntu-20.04
-            python: 3.8
-            toxenv: py38-test-oldestdeps
+            python: 3.9
+            toxenv: py39-test-oldestdeps
 
           - name: Test in OSX
             os: macos-latest
@@ -93,7 +93,7 @@ jobs:
           # NOTE: If TRDS cannot take the hit, disable --remote-data
           - name: Test in Windows with remote data
             os: windows-latest
-            python: 3.9
+            python: '3.11'
             toxenv: py39-test-alldeps
             toxposargs: --remote-data
 

.readthedocs.yaml

@@ -3,11 +3,11 @@
 version: 2
 
 build:
-  os: ubuntu-20.04
+  os: ubuntu-22.04
   apt_packages:
     - graphviz
   tools:
-    python: "3.9"
+    python: "3.11"
 
 sphinx:
   builder: html

CHANGES.rst

@@ -1,6 +1,11 @@
 1.3.0 (unreleased)
 ==================
 
+- Compatibility with ``numpy`` 2.0. [#363]
+
+- Bumped minimum supported versions for Python to 3.9,
+  ``numpy`` to 1.20, ``astropy`` to 5.0, and ``scipy`` to 1.6. [#363]
+
 1.2.1 (2023-06-01)
 ==================
 

docs/index.rst

@@ -42,7 +42,7 @@ reported) or contact `STScI Help Desk <https://hsthelp.stsci.edu>`_.
 Installation and Setup
 ======================
 
-**synphot** works for Python 3.8 or later only. It requires the following
+**synphot** works for Python 3.9 or later only. It requires the following
 packages:
 
 * numpy
@@ -77,12 +77,10 @@ via HTTP, create a local directory where you plan to store the data files
     >>> from synphot.utils import download_data
     >>> file_list = download_data('/my/local/dir/trds')  # doctest: +SKIP
 
-With ``astropy`` 4.1 or later, you can generate a
+With ``astropy``, you can generate a
 ``$HOME/.astropy/config/synphot.cfg`` file like this (otherwise, you can
 manually create one from :ref:`synphot_config_file`):
 
-.. doctest-requires:: astropy>=4.1
-
     >>> from astropy.config import generate_config
     >>> generate_config(pkgname='synphot')
 

pyproject.toml

@@ -2,5 +2,5 @@
 requires = ["setuptools>=30.3.0",
             "setuptools_scm",
             "wheel",
-            "oldest-supported-numpy"]
+            "numpy>=1.25,<2"]
 build-backend = "setuptools.build_meta"

setup.cfg

@@ -48,10 +48,10 @@ zip_safe = False
 setup_requires =
     setuptools_scm
 install_requires =
-    numpy>=1.18
-    astropy>=4.3
-    scipy>=1.3
-python_requires = >=3.8
+    numpy>=1.20
+    astropy>=5
+    scipy>=1.6
+python_requires = >=3.9
 
 [options.extras_require]
 all =

synphot/tests/test_units.py

@@ -3,8 +3,6 @@
 
 .. note:: VEGAMAG conversion is tested in test_spectrum_source.py.
 
-.. note:: spectral_density_integrated is tested in astropy>=4.1.
-
 """
 
 # THIRD-PARTY

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{38,39,310,311}-test{,-alldeps,-oldestdeps,-devdeps,-predeps}{,-cov}
+    py{39,310,311}-test{,-alldeps,-oldestdeps,-devdeps,-predeps}{,-cov}
     codestyle
     twine
     bandit
@@ -10,6 +10,8 @@ requires =
     pip >= 19.3.1
 
 [testenv]
+setenv =
+    devdeps: PIP_EXTRA_INDEX_URL = https://pypi.anaconda.org/astropy/simple https://pypi.anaconda.org/scientific-python-nightly-wheels/simple
 
 # Pass through the following environemnt variables which are needed for the CI
 passenv = HOME,WINDIR,CC,CI
@@ -37,12 +39,15 @@ deps =
 
     # The oldestdeps factor is intended to be used to install the oldest versions of all
     # dependencies that have a minimum version.
-    oldestdeps: numpy==1.18.*
-    oldestdeps: scipy==1.3.*
-    oldestdeps: astropy==4.3.*
+    oldestdeps: numpy==1.20.*
+    oldestdeps: scipy==1.6.*
+    oldestdeps: astropy==5.0.*
 
     # The devdeps factor is intended to be used to install the latest developer version
     # or nightly wheel of key dependencies.
+    devdeps: numpy>=0.0.dev0
+    devdeps: scipy>=0.0.dev0
+    devdeps: astropy>=0.0.dev0
     devdeps: git+https://github.com/astropy/specutils.git@main#egg=specutils
 
     cov: pytest-cov
@@ -52,7 +57,6 @@ extras =
     alldeps: all
 
 commands =
-    devdeps: pip install -U -i https://pypi.anaconda.org/astropy/simple astropy --pre
     pip freeze
     !cov: pytest --pyargs synphot {toxinidir}/docs {posargs}
     cov: pytest --pyargs synphot {toxinidir}/docs --cov synphot --cov-config={toxinidir}/setup.cfg {posargs}