travis: fix numpy for Python3

Author: jcarpent

.travis.yml

@@ -13,7 +13,6 @@ env:
     - DO_COVERAGE_ON_BRANCH="master;release"
     - DO_CPPCHECK_ON_BRANCH=""
     - DO_INSTALL_DOC_EXCEPT_ON_BRANCH=""
-    - BUILD_WITH_CATKIN_SUPPORT=false
     - MAKEFLAGS="-j2"
 
 jobs:
@@ -67,7 +66,7 @@ branches:
     - master
     - debian
     - devel
-before_install: ./.travis/run before_install
+before_install: ./travis_custom/custom_before_install
 install: pip install coveralls numpy --user
 script:
   - export CMAKE_ADDITIONAL_OPTIONS="-DCMAKE_BUILD_TYPE=${BUILDTYPE}"

travis_custom/custom_before_install

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+# Add Python dependency
+echo "TRAVIS_PYTHON_VERSION=$TRAVIS_PYTHON_VERSION"
+if [[ $TRAVIS_PYTHON_VERSION -gt 30 ]]; then
+  export APT_DEPENDENCIES=$APT_DEPENDENCIES" python3-numpy"
+fi
+
+# When this script is called the current directory is ./custom_travis
+. ./.travis/run ../.travis/before_install
+
+# Git fetch tags
+git fetch --tags
+

travis_custom/custom_build

@@ -11,7 +11,6 @@ fi
 
 if [[ $TRAVIS_PYTHON_VERSION -gt 30 ]]; then
   export CMAKE_ADDITIONAL_OPTIONS=" ${CMAKE_ADDITIONAL_OPTIONS} -DPYTHON_EXECUTABLE=$(which python3)"
-  pip3 install numpy --user
 fi
 
 # Setup environment variables.