Upgrade to python casacore 3.3.1, test on Python 3.8 (#116)

* Upgrade to python-casacore 3.3.1
* Add Python 3.8 to travis testing matrix

.travis.yml

@@ -3,6 +3,7 @@ matrix:
   include:
   - env: TARGET=python36
   - env: TARGET=python37
+  - env: TARGET=python38
 sudo: required
 services:
 - docker

.travis/python38.docker

@@ -0,0 +1,20 @@
+FROM kernsuite/base:5
+
+# Install base requirements
+RUN DEBIAN_FRONTEND=noninteractive add-apt-repository ppa:deadsnakes/ppa -y
+RUN DEBIAN_FRONTEND=noninteractive apt update -y
+RUN DEBIAN_FRONTEND=noninteractive apt install -y build-essential curl git python3-distutils  python3.8 python3.8-dev
+RUN curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
+RUN python3.8 get-pip.py
+ADD . /code
+WORKDIR /code
+
+# Test without xarray
+RUN python3.8 -m pip install .[testing]
+RUN python3.8 -m pip freeze
+RUN python3.8 -m pytest --flake8 -s -vvv /code/daskms
+
+# Test with xarray
+RUN python3.8 -m pip install .[testing,xarray]
+RUN python3.8 -m pip freeze
+RUN python3.8 -m pytest --flake8 -s -vvv /code/daskms

HISTORY.rst

@@ -2,6 +2,11 @@
 History
 =======
 
+0.2.6 (YYYY-MM-DD)
+------------------
+* Test on Python 3.8 (:pr:`116`)
+* Depend on python-casacore 3.3.1 (:pr:`116`)
+
 0.2.5 (2020-05-11)
 ------------------
 * Remove deadlock in TableProxy weakref.finalize on Python 3.6 (:pr:`113`)

setup.py

@@ -24,7 +24,7 @@
 if not on_rtd:
     install_requires += [
         "numpy >= 1.14.0",
-        "python-casacore >= 3.2.0",
+        "python-casacore >= 3.3.1",
     ]