Merge pull request #4 from litghost/routing_tree

Add routing tree and route stitch support.

Author: litghost

.travis.yml

@@ -17,9 +17,13 @@ jobs:
   include:
     - name: "Python Tests"
       script:
-        - git clone -b interchange https://github.com/Xilinx/RapidWright.git
-        - git clone https://github.com/capnproto/capnproto-java.git
-        - CAPNP_PATH=$(pwd)/capnproto-java/compiler/src/main/schema/ INTERCHANGE_SCHEMA_PATH=$(pwd)/RapidWright/interchange make test-py
+        - git clone -b interchange https://github.com/Xilinx/RapidWright.git $HOME/RapidWright
+          # Build RapidWright and create the device resource for the test part.
+        - make -C $HOME/RapidWright update_jars
+        - pushd $HOME && RAPIDWRIGHT_PATH=$HOME/RapidWright $HOME/RapidWright/scripts/invoke_rapidwright.sh com.xilinx.rapidwright.interchange.DeviceResourcesExample xc7a50tfgg484-1 && popd
+        - git clone https://github.com/capnproto/capnproto-java.git $HOME/capnproto-java
+        - CAPNP_PATH=$HOME/capnproto-java/compiler/src/main/schema/ INTERCHANGE_SCHEMA_PATH=$HOME/RapidWright/interchange DEVICE_RESOURCE_PATH=$HOME make test-py
+        - test $(git status --porcelain | wc -l) -eq 0 || { git diff; false; }
     - name: "Check Formatting"
       script:
         - make format