add deprecation

README.md

@@ -5,10 +5,13 @@
 # Setup
 ```
 sudo apt install python3-pip
-#sudo pip3 install pip3 --upgrade
-pip3 install --pre pybuilder ddadevops --user
-pip3 install boto3 python-terraform --user
+sudo pip3 install pip3 --upgrade --user
+pip3 install --pre pybuilder ddadevops deprecation --user
 export PATH=$PATH:~/.local/bin
+# in case of using terraform
+pip3 install python-terraform --user
+# in case of using AwsMixin
+pip3 install boto3 --user
 ```
 
 # Example Build

src/main/python/ddadevops/credential.py

@@ -1,11 +1,16 @@
 from subprocess import check_output, call
 import os
 import sys
+import deprecation
 
+@deprecation.deprecated(deprecated_in="0.5.0", removed_in="1.0",
+                        details='use gopass_password_from_path(os.environ.get(env_var, None)) instead')
 def gopass_credential_from_env_path (env_var):
     env_path = os.environ.get(env_var, None)
     return gopass_password_from_path(env_path)
 
+@deprecation.deprecated(deprecated_in="0.5.0", removed_in="1.0",
+                        details='use gopass_password_from_path(path) instead')
 def gopass_credential_from_path (path):
     return gopass_password_from_path(path)