setup localization via Transifex about metasearch HOT 5 CLOSED

This is now setup (thanks @rduivenvoorde for debugging) at https://www.transifex.com/projects/p/MetaSearch. Notes:

• @rduivenvoorde and @tomkralidis are maintainers initially
• we can add languages manually for now via the Transifex UI, and in the codebase
• we should commit the .po / .ts files, but I haven't done so yet until #24 is implemented (this may change our UI / text some)
• paver extract_messages provides the bootstrap to get the initial strings for UI, UI templates and docs

Workflow:

• add new language via Transifex UI and in code dirs via git
• translators provide content to Transifex (either via UI or code via tx push -s)
• maintainers tx pull -a
• paver compile_messages builds all the .qm / .mo files
• paver refresh_docs builds all docs for all languages

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done. Process:

# upload to Transifex
paver extract_messages`  # extract strings
tx push -s  # send en sources to Transifex
# build
`tx pull -a` # pull all languages from Transifex
paver compile_messages
paver refresh_docs

This results in a fully translated package to work against, package and upload.

@rduivenvoorde: the last outstanding item is docs/website. paver refresh_docs will build docs in all languages. paver publish_docs (don't try it yet) will publish the English docs as current (to http://geopython.github.io/MetaSearch/), and the other languages get published to http://geopython.github.io/MetaSearch/<lang>.

Is there another structure we should do to make things better? How does QGIS do it? As well, we need a way to provide language selection in the docs.

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As well, foreach language, perhaps we can add the following steps to publish_docs:

• keep only one of _static, _sources, _images directories
• scan all Sphinx html outputs and point to one language's _static, _sources, _images directories
• delete all the others

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Hi Tom, with the QGIS sites we use sphinx-intl (https://pypi.python.org/pypi/sphinx-intl)

we only keep resources(=images etc) separated per language, where 'en' is the base-one and other can be copied over it. Sources are only en, and translations are only available as po files in i18n/locale dir. Themes are also not localized (some right to left magic via separate css file).

So in the build dir we first copy all english images (from resources/en so we have an english 'base'), and then we overwrite them with (optionally) available localized images (with exact the same name in resources/xx).

see https://github.com/qgis/QGIS-Website/blob/master/Makefile#L87-L114

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Done. Website updated with multilingual docs/setup.

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