Locale plugin for multilanguage hyde site

meta.yaml

# This file should be placed in the root directory for french language files

# ...
language: fr
lc: fr_CA
# ...

site.yaml

mode: development
# ...
plugins:
    - site_defaults.SiteDefaults
    - hyde.ext.plugins.meta.MetaPlugin
    - hyde.ext.plugins.auto_extend.AutoExtendPlugin
    - hyde.ext.plugins.sorter.SorterPlugin
    - hyde.ext.plugins.tagger.TaggerPlugin
    - hyde.ext.plugins.syntext.SyntextPlugin
    - hyde.ext.plugins.textlinks.TextlinksPlugin
    - hyde.ext.plugins.urls.UrlCleanerPlugin
context:
    data:
      # ...
      languages:
            fr: Français
            en: English
meta:
    nodemeta: meta.yaml
    created: !!timestamp 2012-08-02 14:04:01
    encoding: utf-8
    lc: 'en_US'
# ...

site_defaults.py

# -*- coding: utf-8 -*-
from hyde.plugin import Plugin
from jinja2 import contextfunction, Markup

import locale

@contextfunction
def datetime(context, val, fmt=False):
    import locale, datetime
    fmt = fmt if fmt else locale.nl_langinfo(locale.D_T_FMT)
    result = val.strftime(fmt)
    return Markup(result.decode('utf-8'))

class SiteDefaults(Plugin):

    def template_loaded(self, template):
        self.template = template
        template.env.globals['datetime'] = datetime

    def begin_text_resource(self, resource, text):
        if (resource.meta.lc):
            self.default_locale = locale.getlocale()
            locale.setlocale(locale.LC_ALL,
                (resource.meta.lc, resource.meta.encoding))
        return text

    def end_text_resource(self, resource, text):
        if (resource.meta.lc):
            locale.setlocale(locale.LC_ALL, self.default_locale)
        return text