Python에서 gettext 사용하기

# echo $LANGUAGE
ko_KR

# cat gettextsample.py
#!/usr/bin/python
import gettext

t=gettext.translation('gettextsample', 'locale', fallback=True)
_=t.ugettext

print _('__HELLO__')
print _('__BYE__')

# xgettext -d gettextsample gettextsample.py 

msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2013-09-13 00:58+0900\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <LL@li.org>\n"
"Language: \n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=utf-8\n"
"Content-Transfer-Encoding: utf-8\n"

#: gettextsample.py:7
msgid "__HELLO__"
msgstr "안녕하세요."

#: gettextsample.py:8
msgid "__BYE__"
msgstr "안녕히가세요."

# mkdir -p locale/ko_KR/LC_MESSAGES
# cp gettextsample.po locale/ko_KR/LC_MESSAGES
# cd gettextsample.po locale/ko_KR/LC_MESSAGES
# msgfmt gettextsample.po -o gettextsample.mo

$ ./gettextsample.py 
안녕하세요.
안녕히가세요.

"Content-Type: text/plain; charset=utf-8\n"
"Content-Transfer-Encoding: 8bit\n"

#: gettextsample.py:7
msgid "__HELLO__"
msgstr "How are you"

#: gettextsample.py:8
msgid "__BYE__"
msgstr "Good night !"

# LANGUAGE=en_US
# ./gettextsample.py 
How are you
Good night !