diff --git a/extra/.env_activate b/extra/.env_activate
new file mode 100644
index 0000000..82cb58d
--- /dev/null
+++ b/extra/.env_activate
@@ -0,0 +1,10 @@
+PWD=`pwd`
+BASE_PATH="${PWD}/env"
+
+if [[ "${BASE_PATH}" == "${PWD}/env" ]]
+then
+    if [[ -e env/bin/activate ]]
+    then
+        source env/bin/activate
+    fi
+fi
diff --git a/extra/.env_deactivate b/extra/.env_deactivate
new file mode 100644
index 0000000..6271bec
--- /dev/null
+++ b/extra/.env_deactivate
@@ -0,0 +1,12 @@
+BASE_PATH=`dirname "${BASH_SOURCE}"` 
+PWD=`pwd`
+
+if [[ "${BASE_PATH}" == "${PWD}" ]]
+then
+    declare -f -F deactivate &>/dev/null
+
+    if [[ "${?}" == "0" ]]
+    then
+        deactivate
+    fi
+fi