Test all supported python versions (#152)

Test all supported python versions

.github/workflows/runtests.yml

@@ -13,19 +13,21 @@ jobs:
   build:
 
     runs-on: ubuntu-latest
-
+    strategy:
+      matrix:
+        python-version: [ '3.6', '3.7', '3.8' ]  # Make sure this matches the supported versions in setup.py
     steps:
     - uses: actions/checkout@v2
-    - name: Set up Python 3.8
+    - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with:
         # TODO: test all relevant versions
-        python-version: 3.8
+        python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       # According to the internet using 'python -m pip' instead of 'pip' can prevent some issues
       run: |
         python -m pip install --upgrade pip
-        # For some reason transitive dependencies are not installed properly, unless we first explictly install 'azure-kusto-data'. Hence this ugly hack.
+        # For some reason transitive dependencies are not installed properly, unless we first explicitly install 'azure-kusto-data'. Hence this ugly hack.
         python -m pip install `grep -oP "azure-kusto-data==[^']+" setup.py`
         python setup.py install
         python -m pip freeze

setup.py

@@ -1,7 +1,9 @@
 import os
+import sys
 
 from setuptools import setup, find_packages
 
+assert sys.version_info[0] == 3
 __version__ = None
 with open(os.path.join('.', 'pykusto', '__init__.py')) as f:
     for line in f:
@@ -10,6 +12,23 @@ with open(os.path.join('.', 'pykusto', '__init__.py')) as f:
             __version__ = line.split(delim)[1]
 assert __version__ is not None, 'Unable to determine version'
 
+install_requires = [
+    # Release notes: https://github.com/Azure/azure-kusto-python/releases
+    'azure-kusto-data==2.1.1',  # Earlier versions not supported because of: https://github.com/Azure/azure-kusto-python/issues/312
+
+    'redo==2.0.4',
+]
+
+# pandas release notes: https://pandas.pydata.org/docs/whatsnew/index.html
+# Tests use DataFrame constructor options introduced in 0.25.0
+if sys.version_info[1] <= 6:
+    # pandas support for Python 3.6 was dropped starting from version 1.2.0
+    install_requires.append('pandas>=0.25.0,<1.2.0')
+    # In numpy the support was dropped in 1.20.0, and also the transitive dependency in pandas is not correctly restricted
+    install_requires.append('numpy<1.20.0')
+else:
+    install_requires.append('pandas>=0.25.0,<=1.2.4')
+
 setup(
     name='pykusto',
     version=__version__,
@@ -22,16 +41,7 @@ setup(
     long_description=open("README.md", "r").read(),
     long_description_content_type="text/markdown",
     keywords="kusto azure-data-explorer client library query",
-    install_requires=[
-        # Release notes: https://github.com/Azure/azure-kusto-python/releases
-        'azure-kusto-data==2.1.1',  # Earlier versions not supported because of: https://github.com/Azure/azure-kusto-python/issues/312
-
-        # Release notes: https://pandas.pydata.org/docs/whatsnew/index.html
-        # Note that starting from 1.2.0 support for Python 3.6 was dropped
-        'pandas>=0.25.0,<=1.2.4',  # Tests use DataFrame constructor options introduced in 0.25.0
-
-        'redo==2.0.4',
-    ],
+    install_requires=install_requires,
     tests_require=[
         'pytest',
         'pytest-cov',
@@ -41,9 +51,10 @@ setup(
         "Development Status :: 3 - Alpha",
         "Intended Audience :: Developers",
         "Topic :: Software Development",
+        "License :: OSI Approved :: MIT License",
+        # Make sure this list matches the tested versions in runtests.yml
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
-        "License :: OSI Approved :: MIT License",
     ],
 )