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Localization Revisted (aka. Translations Evolve...
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PyCon 2014
April 13, 2014
Technology
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Localization Revisted (aka. Translations Evolved) by Ruchi Varshney
PyCon 2014
April 13, 2014
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Transcript
translations evolved ruchi varshney pycon 2014
about me @rvarshney on the web
None
most common tools are gettext and babel ! import gettext
as _ print _("Translate me.") ! from babel import dates, numbers dates.format_datetime(date, locale='de') numbers.format_decimal(1.234, locale='de') ! ! basics
! # Extraction config file (babel.cfg) [python: **.py] [jinja2: **.html]
[javascript: **.js] ! [extractors] python = babel.messages.extract:extract_python jinja2 = jinja2.ext:babel_extract javascript = babel.messages.extract:extract_javascript ! ! basics
# Run extraction $ pybabel extract --mapping-file babel.cfg --output out.po
<source_dir> ! ! ! ! ! basics
! # Translations for MYAPP. # Copyright (c) 2014 ORGANIZATION
! #: app/views.py:20 #, python-format msgid "Translate me." msgstr "" ! ! basics
basics _("hello!") msgid "hello!" bonjour! translation service message.mo extract compile
integrate
what could possibly go wrong?
latency
! def greeting(name, is_welcome): if is_welcome: return _("Hey there!") else:
return _("Bye Bye") ! ! ! strings before logic
! class Greetings(object): WELCOME_MESSAGE = _("Hey there!") BYE_MESSAGE = _("Bye!")
! ! def greeting(name, is_welcome): if is_welcome: return Greetings.WELCOME_MESSAGE else: return Greetings.BYE_MESSAGE strings before logic
! class Greetings(object): WELCOME_MESSAGE = _("Hey there!”) BYE_MESSAGE = _("Bye!")
BYE_MESSAGE = _("See you later!") ! ! ! ! ! lost in translation
! #, python-format msgid "Bye!" msgstr "Au revoir!" ! #,
python-format msgid "See you later!" msgstr "" ! lost in translation
lost in translation
hooks https://17727.web.pr.dev.hearsaylabs.com/
! class Greetings(object): WELCOME_MESSAGE = _("Hey there!”) BYE_MESSAGE = _("Bye!")
NEW_BYE_MESSAGE = _("See you later!") ! ! ! ! ! lost in translation
babel gotchas #: app/views.py:20 #, python-format #, fuzzy msgid "Translate
them." msgstr "Traduisez-moi"
babel gotchas “strings might be marked as fuzzy — if
you have fuzzy entries, make sure to check them by hand and remove the fuzzy flag before compiling.”
• —no-fuzzy-matching • other useful ones • —ignore-obsolete True •
—add-comments TRANSLATOR: • —keyword "_lazy" babel flags
• find the last translation date • run string extraction
• send po file for translation • wait… • get translations back • integrate with app • …. mundane dev
automation jenkins/travis translation upload translation download
dev intervention
content management
content management developer friendly apis translator friendly continuous, cross platform
• sample code • https://github.com/rvarshney/translations • how to i18n and
l10n (pycon 2013) • http://bit.ly/pyconi18n • https://www.youtube.com/watch?v=QUFPPJMjn6k resources
• python packages and tools • gettext, babel, potpie, polib
• githooks, webhooks, jenkins, travis • content management • smartling, transifex have known python support • django-rosetta (open source) resources
questions? @rvarshney we’re hiring!