Merge pull request #1479 from freqtrade/feat/improve_travis

Fix travis failures

.travis.yml

@@ -1,7 +1,7 @@
 sudo: true
 os:
 - linux
-dist: trusty
+dist: xenial
 language: python
 python:
 - 3.6
@@ -17,7 +17,7 @@ addons:
     - libdw-dev
     - binutils-dev
 install:
-- ./build_helpers/install_ta-lib.sh
+- cd build_helpers && ./install_ta-lib.sh; cd ..
 - export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH
 - pip install --upgrade flake8 coveralls pytest-random-order pytest-asyncio mypy
 - pip install -r requirements-dev.txt
@@ -53,6 +53,6 @@ notifications:
   slack:
     secure: 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
 cache:
+  pip: True
   directories:
-    - $HOME/.cache/pip
-    - ta-lib
+    - /usr/local/lib

build_helpers/install_ta-lib.sh

@@ -1,4 +1,4 @@
-if [ ! -f "ta-lib/CHANGELOG.TXT" ]; then
+if [ ! -f "/usr/local/lib/libta_lib.a" ]; then
   tar zxvf ta-lib-0.4.0-src.tar.gz
   cd ta-lib \
   && sed -i.bak "s|0.00000001|0.000000000000000001 |g" src/ta_func/ta_utility.h \
@@ -7,7 +7,5 @@ if [ ! -f "ta-lib/CHANGELOG.TXT" ]; then
   && which sudo && sudo make install || make install \
   && cd ..
 else
-  echo "TA-lib already installed, skipping download and build."
-  cd ta-lib && sudo make install && cd ..
-
+  echo "TA-lib already installed, skipping installation"
 fi

build_helpers/publish_docker.sh

@@ -13,7 +13,7 @@ if [ "${TRAVIS_EVENT_TYPE}" = "cron" ]; then
 else
     echo "event ${TRAVIS_EVENT_TYPE}: building with cache"
     # Pull last build to avoid rebuilding the whole image
-    docker pull ${REPO}:${TAG}
+    docker pull ${IMAGE_NAME}:${TAG}
     docker build --cache-from ${IMAGE_NAME}:${TAG} -t freqtrade:${TAG} .
 fi