From b37913d63c7853539c1f19c130df78598203a0df Mon Sep 17 00:00:00 2001
From: Steven Silvester <steven.silvester@ieee.org>
Date: Fri, 10 Oct 2014 11:28:33 -0500
Subject: [PATCH] Use a null backend during the doc examples

---
 tools/travis_test.sh | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/tools/travis_test.sh b/tools/travis_test.sh
index 62cfe948..25245ee2 100755
--- a/tools/travis_test.sh
+++ b/tools/travis_test.sh
@@ -27,13 +27,6 @@ else
     export QT_API=pyside
 fi
 
-# Matplotlib settings - must be after we install Pyside
-MPL_DIR=$HOME/.config/matplotlib
-mkdir -p $MPL_DIR
-touch $MPL_DIR/matplotlibrc
-echo 'backend : Agg' > $MPL_DIR/matplotlibrc
-echo 'backend.qt4 : '$MPL_QT_API >> $MPL_DIR/matplotlibrc
-
 # imread does NOT support py3.2
 if [[ $TRAVIS_PYTHON_VERSION != 3.2 ]]; then
     sudo apt-get install -q libtiff4-dev libwebp-dev libpng12-dev xcftools
@@ -52,6 +45,13 @@ if [[ $TRAVIS_PYTHON_VERSION == 2.* ]]; then
     pip install pyamg
 fi
 
+# Matplotlib settings - do not show figures during doc examples
+MPL_DIR=$HOME/.config/matplotlib
+mkdir -p $MPL_DIR
+touch $MPL_DIR/matplotlibrc
+echo 'backend : Template' > $MPL_DIR/matplotlibrc
+
+
 tools/header.py "Run doc examples"
 for f in doc/examples/*.py; do
     python "$f";
@@ -67,6 +67,11 @@ for f in doc/examples/applications/*.py; do
     fi
 done
 
+# Now configure Matplotlib to use Qt4
+echo 'backend: Agg' > $MPL_DIR/matplotlibrc
+echo 'backend.qt4 : '$MPL_QT_API >> $MPL_DIR/matplotlibrc
+
+
 tools/header.py "Run tests with all dependencies"
 # run tests again with optional dependencies to get more coverage
 if [[ $TRAVIS_PYTHON_VERSION == 3.3 ]]; then