Adding Python 3.6 versioning separate from Python 2.7 along with tox.…

…ini file

README.md

@@ -20,6 +20,11 @@ Dirichlet-distributed data sets are likely to be from the same distribution
 or from two different ones, much like a chi-square or G-test for independence,
 but with Dirichlet models.
 
+Simplex Plots
+-------------
+
+The `dirichlet.simplex` module creates scatter, contour, and filled contour 2-simplex plots.
+
 Caveats
 -------
 
@@ -32,3 +37,5 @@ Installation
 ------------
 
     pip install git+https://github.com/ericsuh/dirichlet.git
+
+Note: this has only been tested with Python 2.7+ and Python 3.6+. Other versions may work, but they haven't been tested.

setup.py

@@ -1,31 +1,51 @@
 #!/usr/bin/env python
 #
 # This file is subject to the terms and conditions defined in file
-# 'LICENSE.txt', which is part of this source code package.
+# "LICENSE.txt", which is part of this source code package.
 
+import sys
 from setuptools import setup, find_packages
 
-setup(
-    name='dirichlet',
-    version='0.7',
-    description='Calculates Dirichlet test and plots 2-simplex Dirichlets',
-    author='Eric Suh',
-    author_email='[email protected]',
-    packages=['dirichlet'],
+# Note, any changes here should be replicated in the `tox.ini` file
+
+py_version = sys.version_info[:2]
+if not (py_version >= (2, 6) and py_version <= (2, 7) or
+        py_version >= (3, 6)):
+    raise Exception("Only supports Python versions 2.6 to 2.7 and >= 3.6")
+if py_version < (3, 0):  # Python 2.6 or 2.7
     install_requires = [
-        'scipy >= 0.10.1',
-        'numpy >= 1.6.2',
-        'matplotlib >= 1.2.0',
-    ],
-    url='http://github.com/ericsuh/dirichlet',
-    download_url='https://github.com/ericsuh/dirichlet/zipball/master',
+        "scipy >= 0.10.1, <1.3",
+        "numpy >= 1.6.2, <1.17",
+        "matplotlib >= 1.2.0, <2.3",
+    ]
+else:  # Python 3.6+
+    install_requires = [
+        "scipy >= 1.4.1",
+        "numpy >= 1.18.1",
+        "matplotlib >= 3.2.0",
+    ]
+
+setup(
+    name="dirichlet",
+    version="0.8",
+    description="Calculates Dirichlet test and plots 2-simplex Dirichlets",
+    author="Eric Suh",
+    author_email="[email protected]",
+    packages=["dirichlet"],
+    install_requires = install_requires,
+    url="http://github.com/ericsuh/dirichlet",
+    download_url="https://github.com/ericsuh/dirichlet/zipball/master",
     classifiers=[
-        'Programming Language :: Python',
-        'Programming Language :: Python :: 2',
-        'Operating System :: OS Independent',
-        'Development Status :: 4 - Beta',
-        'Intended Audience :: Developers',
-        'License :: OSI Approved :: MIT License',
+        "Programming Language :: Python",
+        "Programming Language :: Python :: 2",
+        "Programming Language :: Python :: 3",
+        "License :: OSI Approved :: MIT License",
+        "Operating System :: OS Independent",
+        "Development Status :: 4 - Beta",
+        "Intended Audience :: Developers",
+        "Intended Audience :: Science/Research",
+        "Topic :: Scientific/Engineering",
+        "Topic :: Scientific/Engineering :: Information Analysis",
     ],
 
     long_description="""\

tox.ini

@@ -0,0 +1,34 @@
+[tox]
+envlist = py{27-oldest,27-newest,36}
+
+[testenv]
+deps =
+    pytest
+commands = pytest {posargs}
+
+[testenv:py27-oldest]
+description = Python 2.7 with oldest compatible versions of dependencies
+deps =
+    {[testenv]deps}
+commands_pre = 
+    pip install numpy==1.6.2
+    pip install scipy==0.10.1
+    pip install matplotlib==1.2.0
+commands =
+    pytest {posargs}
+
+[testenv:py27-newest]
+description = Python 2.7 with newest compatible versions of dependencies
+deps =
+    {[testenv]deps}
+    scipy == 1.2.*
+    numpy == 1.16.*
+    matplotlib == 2.2.*
+
+[testenv:py36]
+description = Python 3.6 with newest compatible versions of dependencies
+deps =
+    {[testenv]deps}
+    scipy == 1.4.*
+    numpy == 1.18.*
+    matplotlib == 3.2.*