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#!/usr/bin/env python3
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# coding: utf-8
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# This file is in the public domain.
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#
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# This script runs the jinja2 templating engine on an input template-file
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# using the specified locale for gettext translations, and outputs
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# the resulting (HTML) ouptut-file.
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#
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# Note that the gettext files need to be prepared first. This script
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# is thus to be invoked via the Makefile.
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#
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# We import unicode_literals until people have understood how unicode
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# with bytes and strings changed in python2->python3.
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from __future__ import unicode_literals
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import os
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import os.path
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import sys
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import re
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import gettext
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import glob
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import codecs
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import jinja2
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import i18nfix
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env = jinja2.Environment(loader=jinja2.FileSystemLoader(os.path.dirname(__file__)),
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extensions=["jinja2.ext.i18n"],
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lstrip_blocks=True,
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trim_blocks=True,
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undefined=jinja2.StrictUndefined,
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autoescape=False)
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# DEBUG OUTPUT:
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if (os.getenv("DEBUG")):
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print(sys.path)
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langs_full = {"en": "English", "fr": "Français", "it": "Italiano", "es": "Español", "de": "Deutsch", "ja": "日本語"}
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lang_flags = {"en": "[en]", "fr": "[fr]", "it": "[it]", "es": "[es]", "de": "[de]", "ja": "[ja]"}
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for in_file in glob.glob("template/*.j2"):
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name, ext = re.match(r"(.*)\.([^.]+)$", in_file.rstrip(".j2")).groups()
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tmpl = env.get_template(in_file)
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def self_localized(other_locale):
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"""
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Return URL for the current page in another locale.
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"""
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return "../" + other_locale + "/" + in_file.replace('template/', '').rstrip(".j2")
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def url_localized(filename):
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return "../" + locale + "/" + filename
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def svg_localized(filename):
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lf = filename + "." + locale + ".svg"
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if locale == "en" or not os.path.isfile(lf):
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return "../" + filename + ".svg"
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else:
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return "../" + lf
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def url(x):
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# TODO: look at the app root environment variable
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# TODO: check if file exists
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return "../" + x
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for l in glob.glob("locale/*/"):
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locale = os.path.basename(l[:-1])
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tr = gettext.translation("messages",
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localedir="locale",
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languages=[locale])
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tr.gettext = i18nfix.wrap_gettext(tr.gettext)
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env.install_gettext_translations(tr, newstyle=True)
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content = tmpl.render(lang=locale,
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lang_flag=lang_flags[locale],
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lang_flags=lang_flags,
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lang_full=langs_full[locale],
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langs_full=langs_full,
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url=url,
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self_localized=self_localized,
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url_localized=url_localized,
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svg_localized=svg_localized,
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filename=name + "." + ext)
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out_name = "./rendered/" + locale + "/" + in_file.replace('template/', '').rstrip(".j2")
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os.makedirs("./rendered/" + locale, exist_ok=True)
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with codecs.open(out_name, "w", encoding='utf-8') as f:
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f.write(content)
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