Merge pull request #202 from gcarq/cache-talib

Cache TAlib

.travis.yml

@@ -1,4 +1,4 @@
-sudo: false
+sudo: true
 os:
 - linux
 language: python
@@ -11,9 +11,7 @@ addons:
     - libdw-dev
     - binutils-dev
 install:
-- wget http://prdownloads.sourceforge.net/ta-lib/ta-lib-0.4.0-src.tar.gz
-- tar zxvf ta-lib-0.4.0-src.tar.gz
-- cd ta-lib && ./configure && sudo make && sudo make install && cd ..
+- ./install_ta-lib.sh
 - export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH
 - pip install flake8 coveralls
 - pip install -r requirements.txt
@@ -35,3 +33,4 @@ notifications:
 cache:
   directories:
     - $HOME/.cache/pip
+    - ta-lib

install_ta-lib.sh

@@ -0,0 +1,8 @@
+if [ ! -f "ta-lib/CHANGELOG.TXT" ]; then
+  wget http://prdownloads.sourceforge.net/ta-lib/ta-lib-0.4.0-src.tar.gz
+  tar zxvf ta-lib-0.4.0-src.tar.gz
+  cd ta-lib && ./configure && make && sudo make install && cd ..
+else
+  echo "TA-lib already installed, skipping download and build."
+  cd ta-lib && sudo make install && cd ..
+fi