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#!/usr/bin/env python3
# This file is in the public domain.
#
# This script runs the jinja2 templating engine on an input template-file
# using the specified locale for gettext translations, and outputs
# the resulting (HTML) ouptut-file.
#
# Note that the gettext files need to be prepared first. This script
# is thus to be invoked via the Makefile.
import os
import os.path
import sys
import re
import gettext
import jinja2
import glob
import codecs
import os
import i18nfix
env = jinja2.Environment(loader=jinja2.FileSystemLoader(os.path.dirname(__file__)),
extensions=["jinja2.ext.i18n"],
lstrip_blocks=True,
trim_blocks=True,
undefined=jinja2.StrictUndefined,
autoescape=False)
langs_full = {"en": "English",
"fr": "Français",
"it": "Italiano",
"es": "Español",
"de": "Deutsch",
"ru": "Ру́сский язы́к"}
for in_file in glob.glob("*.j2"):
name, ext = re.match(r"(.*)\.([^.]+)$", in_file.rstrip(".j2")).groups()
tmpl = env.get_template(in_file)
def self_localized(other_locale):
"""
Return URL for the current page in another locale.
"""
return "../" + other_locale + "/" + in_file.rstrip(".j2")
def url_localized(filename):
return "../" + locale + "/" + filename
def svg_localized(filename):
lf = filename + "." + locale + ".svg"
if "en" == locale or not os.path.isfile (lf):
return "../" + filename + ".svg"
else:
return "../" + lf
def url(x):
# TODO: look at the app root environment variable
# TODO: check if file exists
return "../" + x
for l in glob.glob("locale/*/"):
locale = os.path.basename(l[:-1])
tr = gettext.translation("messages",
localedir="locale",
languages=[locale])
tr.gettext = i18nfix.wrap_gettext(tr.gettext)
env.install_gettext_translations(tr, newstyle=True)
content = tmpl.render(
lang=locale,
lang_full=langs_full[locale],
url=url,
self_localized=self_localized,
url_localized=url_localized,
svg_localized=svg_localized,
filename=name + "." + ext)
out_name = "./" + locale + "/" + in_file.rstrip(".j2")
os.makedirs("./" + locale, exist_ok=True)
with codecs.open(out_name, "w", "utf-8") as f:
f.write(content)
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