export LANG=en
python tt.py
>>> I love you
export LANG=zh_CN.utf8
python tt.py
>>> 我爱你
When you want to use gettext in your application. Follow 4 steps:
-
Import gettext, and wrapp string you want to translate in _()
-
Insert the entry point of your code: gettext.install()
gettext.install(domain[, localedir[, unicode[, codeset[, names]]]])
:domain is the name of *.mo file. For example, if mo file named nova.mo, then
gettext.install('nova'):localedir: the path of locale dir, if not specified, use
/usr/share/locale.
The structure of locale dir may like.
locale
├── uk
│ └── LC_MESSAGES
├── vi
│ └── LC_MESSAGES
├── wa
│ └── LC_MESSAGES
├── wo
│ └── LC_MESSAGES
├── xh
│ └── LC_MESSAGES
├── zh_CN
│ └── LC_MESSAGES
├── zh_HK
│ └── LC_MESSAGES
├── zh_TW
│ └── LC_MESSAGES
└── zu
└── LC_MESSAGES
And the *.mo file should be located in LC_MESSAGES.
-
Set the system language. For example:
export LANG=zh_CN.utf8
-
Run the program.