165 lines
4.0 KiB
Python
165 lines
4.0 KiB
Python
from os import path, listdir
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from datetime import date
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from configparser import ConfigParser
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from flask import (
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Flask,
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redirect,
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render_template,
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request,
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url_for,
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g,
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Response
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)
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# ---------- APP CONFIG ------------------------------------------------------
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app = Flask(__name__)
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# ---------- LOCALES FUNCTIONS -----------------------------------------------
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def load_all_locales():
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translations = {}
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locales_dir = "locales"
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locales_code_default = ('en', 'ru', 'es')
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locales_code_extra = []
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locales_code = ()
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for filename in listdir(locales_dir):
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if filename.endswith(".ini"):
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cp = ConfigParser()
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lang = path.splitext(filename)[0]
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with open(path.join(locales_dir, filename), encoding="utf-8") as f:
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cp.read_file(f)
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if lang not in locales_code_default:
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locales_code_extra.append(lang)
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translations[lang] = {
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section: dict(cp[section]) for section in cp.sections()
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}
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locales_code = locales_code_default + tuple(sorted(locales_code_extra))
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locales_name = {l: translations[l]['title']['language'] for l in locales_code}
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return translations, locales_name, locales_code
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translations, locales_name, locales_code = load_all_locales()
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# ---------- HELPER FUNCTIONS ------------------------------------------------
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def get_best_lang():
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return request.accept_languages.best_match(locales_code) or "en"
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def render_localized_template(lang, template_name):
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if lang not in locales_code:
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return redirect(url_for("index", lang=get_best_lang()))
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return render_template(
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template_name,
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year=date.today().year,
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)
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@app.before_request
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def before_request():
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if args := request.view_args:
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g.locale = args.get('lang', 'en')
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g.translations = translations.get(g.locale, get_best_lang())
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g.locales_name = locales_name
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@app.context_processor
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def inject_translations():
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def translate(text, **kwargs):
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section, key = text.split(":", 1)
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template = g.translations \
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.get(section, {}) \
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.get(key, f"${section}: {key}$")
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try:
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return template.format(**kwargs)
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except:
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return template
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return {'_': translate}
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# ---------- MAIN PAGES ------------------------------------------------------
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@app.route("/")
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def home():
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return redirect(url_for("index", lang=get_best_lang()))
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@app.route("/<lang>")
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def index(lang):
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return render_localized_template(lang, "index.html")
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@app.route("/<lang>/download")
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def download(lang):
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return render_localized_template(lang, "download.html")
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# ---------- ROBOTS.TXT + SITEMAP.XML ----------------------------------------
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@app.route("/robots.txt")
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def robots_txt():
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base_url = request.url_root.rstrip("/")
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content = [
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"User-agent: *",
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"Disallow:",
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f"Sitemap: {base_url}/sitemap.xml",
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]
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return Response("\n".join(content), mimetype="text/plain")
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@app.route("/sitemap.xml")
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def sitemap_xml():
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base_url = request.url_root.rstrip("/")
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today = date.today().isoformat()
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urls = []
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for lang in locales_code:
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urls.append(f"{base_url}/{lang}")
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urls.append(f"{base_url}/{lang}/download")
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xml_lines = [
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'<?xml version="1.0" encoding="UTF-8"?>',
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'<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">',
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]
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for loc in urls:
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xml_lines.extend(
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[
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" <url>",
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f" <loc>{loc}</loc>",
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f" <lastmod>{today}</lastmod>",
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" <changefreq>monthly</changefreq>",
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" <priority>0.8</priority>",
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" </url>",
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]
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)
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xml_lines.append("</urlset>")
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return Response("\n".join(xml_lines), mimetype="application/xml")
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# ---------- APP ENTRY -------------------------------------------------------
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if __name__ == "__main__":
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app.run(host="0.0.0.0", debug=True)
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