Make sure removing PyQt does not uninstall Matplotlib, and set MPLBAC…

…KEND variable

.travis.yml

@@ -1,9 +1,5 @@
 language: c
 
-os:
-    - linux
-    - osx
-
 sudo: false
 
 addons:
@@ -15,9 +11,6 @@ notifications:
   email: false
 
 env:
-  matrix:
-    - PYTHON_VERSION=2.7 ASTROPY_VERSION=1.0
-    - PYTHON_VERSION=3.4 ASTROPY_VERSION=1.0
   global:
     - PYTEST_ARGS="--cov glue"
     - MATPLOTLIB_VERSION=1.5.0
@@ -36,81 +29,14 @@ env:
 
 matrix:
 
-    # Don't wait for allowed failures
-    fast_finish: true
-
     include:
 
-        # Astropy dev
-        - os: linux
-          env:
-            - PYTHON_VERSION=2.7 ASTROPY_VERSION=dev
-
-        # Numpy dev
-        - os: linux
-          env:
-            - PYTHON_VERSION=2.7 NUMPY_VERSION=dev
-            # We don't test ginga with Numpy dev due to a bug in ginga
-            - PIP_DEPENDENCIES="pytest-cov coveralls pyavm astrodendro awscli"
-
-        # PyQt5
-        - os: linux
-          env:
-            - PYTHON_VERSION=2.7 NUMPY_VERSION=1.10 ASTROPY_VERSION=1.0 QT_PKG=pyqt5
-            # We don't test ginga with PyQt5 due to a bug in ginga with QT_API
-            - PIP_DEPENDENCIES="pytest-cov coveralls pyavm astrodendro awscli"
-
-        # The following configuration tests that glue functions with minimal
-        # dependencies. The --no-deps is to prevent scipy from getting
-        # installed as a pandas dependency.
-        - os: linux
-          env:
-            - PYTHON_VERSION=2.7
-            - PYTEST_ARGS="--cov glue"
-            - CONDA_DEPENDENCIES="pytz pyparsing cycler python-dateutil freetype libpng sip qt pip setuptools=7.0 pandas mock pbr six funcsigs matplotlib"
-            - CONDA_DEPENDENCIES_FLAGS='--no-deps'
-            - PIP_DEPENDENCIES="pytest-cov coveralls"
-
-        - os: linux
-          env:
-            - PYTHON_VERSION=2.7
-            - ASTROPY_VERSION=1.0
-            - DOC_TRIGGER=1
-            - APP_TRIGGER=1
-            - PYTEST_ARGS="--cov glue --no-optional-skip"
-            - NO_CFG_FILES=true
-
-        # Test with older package versions:
-
-        - os: linux
-          env: PYTHON_VERSION=2.7 MATPLOTLIB_VERSION=1.3 ASTROPY_VERSION=0.3 NUMPY_VERSION=1.8
-
-        - os: linux
-          env: PYTHON_VERSION=2.7 MATPLOTLIB_VERSION=1.4 ASTROPY_VERSION=0.4 NUMPY_VERSION=1.9 IPYTHON_VERSION=1.1
-
-        - os: linux
-          env: PYTHON_VERSION=2.7 MATPLOTLIB_VERSION=1.4 ASTROPY_VERSION=0.4 NUMPY_VERSION=1.9 IPYTHON_VERSION=0.13
-
-        # Test with PySide, but due to segmentation faults, mark as an
-        # allowed failure.
-        - os: linux
-          env: PYTHON_VERSION=2.7 ASTROPY_VERSION=1.0 QT_PKG=pyside
-
         # Test without any Qt installation, which will also cause all qt
         # sub-directories to be removed, to make sure that no non-Qt code has
         # any dependence on Qt code.
         - os: linux
           env: PYTHON_VERSION=2.7 ASTROPY_VERSION=1.0 QT_PKG=False
 
-    allow_failures:
-
-      - os: linux
-        env:
-          - PYTHON_VERSION=2.7 NUMPY_VERSION=dev
-          - PIP_DEPENDENCIES="pytest-cov coveralls pyavm astrodendro awscli"
-
-      - os: linux
-        env: PYTHON_VERSION=2.7 ASTROPY_VERSION=1.0 QT_PKG=pyside
 
 before_install:
 
@@ -155,13 +81,14 @@ install:
   # Uninstall any version of Qt if QT_PKG is False, and remove all qt
   # sub-directories
   - if [[ $QT_PKG == False ]]; then
-      conda remove --no-pin pyqt || true;
-      conda remove --no-pin pyside || true;
-      conda remove --no-pin pyqt5 || true;
-      conda remove --no-pin qt || true;
-      conda remove --no-pin qt5 || true;
+      conda remove --no-pin --force pyqt || true;
+      conda remove --no-pin --force pyside || true;
+      conda remove --no-pin --force pyqt5 || true;
+      conda remove --no-pin --force qt || true;
+      conda remove --no-pin --force qt5 || true;
       find . -name "qt" -type d -exec rm -r {} \; || true;
       rm glue/external/qt.py || true;
+      export MPLBACKEND='Agg'
     fi
 
   # We need to install glue in order to make sure that the entry points are