##########################
# to create new language #
##########################

#this needs to be done on source codes, preferable default/stable branches
 
python setup.py extract_messages -> get messages from project
python setup.py init_catalog -l pl -> create a language directory for <pl> lang
edit the new po file with poedit or any other editor
python setup.py compile_catalog -> create translation files

############# 
# to update #
#############

python setup.py extract_messages -> get messages from project
python setup.py update_catalog -> to update the translations
edit the new updated po file with poedit
python setup.py compile_catalog -> create translation files


###################
# change language #
###################

`lang=en`

in the .ini file