github action and require python 3.8, numpy>1.23

.github/workflows/tests.yml

@@ -0,0 +1,75 @@
+name: tests
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+        - name: "Latest Python 3.12"
+          os: ubuntu-latest
+          python-version: 3.12
+        - name: "OS X Python 3.8"
+          os: macos-latest
+          python-version: 3.8
+        - name: "Windows Python 3.8"
+          os: windows-latest
+          python-version: 3.8
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+        allow-prereleases: true
+
+    - name: flake8 Lint
+      if: matrix.os == 'ubuntu-latest'
+      uses: py-actions/flake8@v2
+      with:
+          args: --select=E713,E704,E703,E714,E10,E11,E20,E22,E23,E25,E27,E301,E302,E304,E9,F405,F406,F5,F6,F7,F8,W1,W2,W3,W6 --show-source --statistics
+          path: getdist
+          max-line-length: "120"
+
+    - name: Install dependencies
+      run: |
+        python --version
+        pip install . 
+        git clone --depth=1 https://github.com/cmbant/getdist_testchains
+
+    - name: Run tests
+      run: |
+        getdist --help
+        python -m unittest getdist.tests.getdist_test
+
+  deploy:
+    needs: build
+    runs-on: ubuntu-latest
+    if: github.repository_owner == 'cmbant' && github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.12'
+
+    - name: Install dependencies
+      run: |
+        python -m pip install -U pip
+        python -m pip install -U build twine
+
+    - name: Build package
+      run: python -m build --sdist
+
+    - name: Publish package
+      uses: pypa/gh-action-pypi-publish@release/v1
+

.gitignore

@@ -4,7 +4,6 @@ __pycache__/
 *$py.class
 
 # Distribution / packaging
-.*
 env/
 build/
 develop-eggs/

README.rst

@@ -7,8 +7,8 @@ GetDist
 :Source: https://github.com/cmbant/getdist
 :Reference: https://arxiv.org/abs/1910.13970
 
-.. image:: https://img.shields.io/travis/com/cmbant/getdist
-   :target: https://app.travis-ci.com/cmbant/getdist
+.. image:: https://github.com/cmbant/getdist/actions/workflows/tests.yml/badge.svg
+   :target: https://github.com/cmbant/getdist/actions/workflows/tests.yml
 .. image:: https://img.shields.io/pypi/v/GetDist.svg?style=flat
    :target: https://pypi.python.org/pypi/GetDist/
 .. image:: https://readthedocs.org/projects/getdist/badge/?version=latest
@@ -63,7 +63,7 @@ the `Plot Gallery and tutorial <http://getdist.readthedocs.io/en/latest/plot_gal
 
 Dependencies
 =============
-* Python 3.7+
+* Python 3.8+
 * matplotlib
 * scipy
 * PySide6 or PySide2 - optional, only needed for GUI

getdist/__init__.py

@@ -1,5 +1,5 @@
 __author__ = 'Antony Lewis'
-__version__ = "1.5.1"
+__version__ = "1.5.2"
 __url__ = "https://getdist.readthedocs.io"
 
 import os

getdist/chains.py

@@ -118,18 +118,7 @@ def loadNumpyTxt(fname, skiprows=None):
     :return: numpy array of the data values
     """
 
-    if not hasattr(loadNumpyTxt, 'pandas'):
-        loadNumpyTxt.pandas = None
-        try:
-            if version.parse(np.__version__) < version.parse('1.23'):
-                import pandas  # noqa
-                loadNumpyTxt.pandas = pandas
-        except ImportError:
-            logging.warning('Install pandas or numpy 1.23+ for faster reading from text files')
     try:
-        if loadNumpyTxt.pandas:
-            return loadNumpyTxt.pandas.read_csv(fname, delim_whitespace=True, header=None, dtype=np.float64,
-                                                skiprows=skiprows, comment='#').values
         return np.atleast_2d(np.loadtxt(fname, skiprows=skiprows or 0))
     except ValueError:
         print('Error reading %s' % fname)

getdist/tests/getdist_test.py

@@ -395,8 +395,8 @@ def setUp(self):
         if not os.path.exists(self.tempdir):
             os.mkdir(self.tempdir)
         os.chdir(self.tempdir)
-        self.path = os.getenv('TRAVIS_BUILD_DIR', os.path.join(os.path.dirname(__file__), '..', '..', '..'))
-        self.path = os.path.normpath(os.path.join(self.path, 'getdist_testchains', 'cobaya'))
+        path = os.path.join(os.path.dirname(__file__), '..', '..', '..')
+        self.path = os.path.normpath(os.path.join(path, 'getdist_testchains', 'cobaya'))
 
     def tearDown(self):
         os.chdir(tempfile.gettempdir())

pyproject.toml

@@ -19,16 +19,16 @@ classifiers = [
     "Intended Audience :: Science/Research",
     "Topic :: Scientific/Engineering :: Astronomy",
     "License :: OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)",
-    "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",
-    "Programming Language :: Python :: 3.12"
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13"
 ]
-requires-python = ">=3.7.0"
+requires-python = ">=3.8.0"
 dependencies = [
-    "numpy>=1.17.0", "matplotlib (>=2.2.0,!=3.5.0)", "scipy>=1.5", "PyYAML>=5.1", "packaging"
+    "numpy>=1.23.0", "matplotlib (>=2.2.0,!=3.5.0)", "scipy>=1.5", "PyYAML>=5.1", "packaging"
 ]
 
 [project.optional-dependencies]

requirements.txt

@@ -1,4 +1,4 @@
-numpy>=1.17.0
+numpy>=1.23.0
 matplotlib>=2.2.0,!=3.5.0
 scipy>=1.5.0
 PyYAML>=5.1

setup.py

@@ -94,5 +94,4 @@ def run(self):
       platforms="any",
       package_data=package_data,
       packages=["getdist", "getdist.gui", "getdist.tests", "getdist.styles"],
-      test_suite="getdist.tests",
       cmdclass=cmd_class)