POTrans 
Translate gettext files from console, easly
This tool helps you to translate your POT/PO files easily from the console. Also, it supports spell checking.
Usage
potrans install
Install a dictionary for the specified language for spell checking
potrans uninstall
Uninstall an installed dictinary
potrans list
List all installed dictinaries
potrans translate [-o output]
Translate the selected file using the tool. If output is specified the tool will save to that location. Else it will overide the source file.