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Pybabel

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Translation into multiple languages ​

python
## i18n.py
import gettext
import os

localedir = os.path.join(os.path.abspath(os.path.dirname(__file__)), 'locale')
en = gettext.translation('mydomain', localedir, languages=['en'])
ja = gettext.translation('mydomain', localedir, languages=['ja'])

## Print in english
en.install()
print(en.gettext('Some string'))

## Print in japanese
ja.install()
print(ja.gettext('Some string'))

Generate .pot files:

shell
pybabel extract --input-dirs='proj' --output-file='proj/locale/mydomain.pot'
  • Create domain.po on locale/en/LC_MESSAGES/ and locale/ja/LC_MESSAGES/ using .pot as base.
  • Write the translations
shell
pybabel compile --directory='proj/locale' --domain='mydomain'