add ci hook

python/.gitignore

@@ -1,2 +1,2 @@
 .*.swp
-
+.venv/

python/ci.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+# CI hook script.
+
+set -ex
+
+# CD to this directory.
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+cd $SCRIPT_DIR
+
+# clean env
+rm -rf .venv build
+
+# setup a python virtual env
+python -m venv .venv
+
+# activate the virtual env
+source .venv/bin/activate
+
+# install venv deps.
+pip install -r requirements.txt
+
+# run the build and test.
+./test.sh
+