Oliver Giertz
f0d10112ad
Published articles carried no category, so WordPress filed all of them under the catch-all "Allgemein" - 941 of 955 posts by the time this was noticed. The rules here mirror the one-off backfill of 2026-07-31 and reproduce its result on all 955 posts exactly. Matching is done on word boundaries rather than plain substrings, which otherwise filed a campsite in Klagenfurt under "Recht & Vorschriften" via the keyword "klage". German compounds opt in explicitly with a trailing "*". A clear discount signal takes precedence over the product topic, because product tags otherwise outnumber it. Unknown slugs are never auto-created: unlike tags, the category set is curated in WordPress, so a mismatch should surface rather than spawn a new category. Articles that match no rule stay uncategorised on purpose. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
237 lines
13 KiB
Python
237 lines
13 KiB
Python
"""Assign a WordPress category to an article.
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The rules mirror the one-off backfill of 2026-07-31 that moved 955 existing
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posts out of the catch-all "Allgemein" category, so newly published articles
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land in the same buckets as the archive.
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Matching notes:
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- Keywords match on a word boundary. Plain substring matching is wrong here:
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"klage" would match the city name "Klagenfurt".
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- A trailing "*" opts a keyword into German compound nouns, so "campingplatz*"
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also matches "Campingplatzbetreiber".
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- Tags weigh more than the title. Tags were chosen deliberately, while titles
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often carry incidental place names.
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"""
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from __future__ import annotations
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import re
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from collections.abc import Sequence
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# Category key -> WordPress category slug.
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CATEGORY_SLUGS: dict[str, str] = {
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"angebote-rabatte": "angebote-rabatte",
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"in-eigener-sache": "in-eigener-sache",
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"recht-vorschriften": "recht-vorschriften",
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"fahrzeug-technik": "fahrzeug",
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"ausruestung-tests": "ausruestung-tests",
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"campingplaetze": "campingplaetze",
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"stellplaetze": "stellplaetze",
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"news-branche": "news",
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"reiseziele": "reiseziele",
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"camping-tipps": "camping-tipps",
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"vanlife": "vanlife",
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}
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# Ordered by priority: on a points tie the earlier entry wins.
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_RULES: tuple[tuple[str, tuple[tuple[str, int], ...]], ...] = (
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("angebote-rabatte", (
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("amazon sale", 3), ("amazon-sale", 3), ("amazon-angebote", 3), ("im sale", 3),
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("rabatt*", 3), ("schnaeppchen*", 3), ("prime day", 3), ("black friday", 3),
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("gutschein*", 3), ("sparangebot*", 3), ("top-angebot*", 3), ("sommerangebot*", 3),
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("knaller", 3), ("ausverkauf", 3), ("tiefpreis*", 3), ("rekordpreis*", 3),
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("preissturz", 3), ("bestpreis*", 3), ("deal", 2), ("deals", 2), ("lidl", 2),
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("aldi", 2), ("reduziert", 2), ("sale", 1), ("prozent auf", 3), ("guenstiger*", 1),
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)),
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("in-eigener-sache", (
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("vanityontour", 3), ("vanitycast", 3), ("expense logbook", 3),
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("jahresrueckblick", 3), ("rueckblick", 2), ("website", 3), ("in eigener sache", 3),
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("blog", 2), ("discord", 3), ("newsletter", 2), ("appstore", 2), ("app store", 2),
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("ausfall", 2), ("stoerung", 2), ("podcast", 2), ("campertag", 3), ("styyl", 3),
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)),
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("recht-vorschriften", (
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("stvo", 3), ("fuehrerschein*", 3), ("bussgeld*", 3), ("gesetz*", 3),
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("vorschrift*", 3), ("verkehrsrecht*", 3), ("versicherungsschutz", 3),
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("tempolimit", 3), ("promillegrenze", 3), ("maut", 3), ("urteil*", 3),
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("rechtslage", 3), ("abgemahnt", 3), ("bauantrag", 3), ("baurecht", 3),
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("genehmigung*", 2), ("verboten", 2), ("erlaubt", 2), ("strafe*", 2), ("haftung", 2),
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("illegal", 2), ("stellplatzverordnung", 3), ("datenschutz", 2), ("kurtaxe", 3),
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("uebernachtungssteuer", 3), ("kfz-versicherung", 3), ("kfz versicherung", 3),
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("versicherung*", 1), ("handyverbot", 3), ("regeln", 1),
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("landschaftsschutzgebiet", 2),
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)),
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("fahrzeug-technik", (
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("wohnmobil*", 3), ("wohnwagen*", 3), ("reisemobil*", 3), ("kastenwagen", 3),
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("camper van", 3), ("camper-van*", 3), ("truma", 3), ("klimaanlage*", 3),
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("standheizung*", 3), ("energieversorgung", 3), ("ecoflow", 3), ("jackery", 3),
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("powerstation*", 3), ("solar*", 3), ("batterie*", 3), ("wechselrichter", 3),
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("notstrom", 3), ("generator", 3), ("stromversorgung", 3), ("umbau", 3), ("ausbau", 3),
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("selbstausbau", 3), ("fahrverhalten", 3), ("reifen", 3), ("gasanlage*", 3),
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("gasflasche*", 3), ("werkstatt", 3), ("tuev", 3), ("caravaning", 3), ("caravan", 2),
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("dometic", 3), ("anhaengerkupplung", 3), ("chassis", 3), ("dieselheizung*", 3),
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("wasserpumpe*", 3), ("osram", 3), ("auffahrkeil*", 3), ("mover", 3), ("dachluke*", 3),
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("aufbau", 1), ("heizung", 2), ("strom", 2), ("motor", 2), ("led", 2), ("autark", 2),
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("ladedose", 3), ("bordtechnik", 3), ("gewicht", 1), ("auflastung", 3),
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("wiegeaktion", 3), ("gebrauchtwagen*", 3), ("kfz", 2), ("gasversorgung", 3),
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("flaschengas*", 3), ("marder*", 3), ("reparatur", 2), ("diy", 2),
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)),
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("ausruestung-tests", (
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("kuehlbox*", 3), ("kuehltasche*", 3), ("schlafsack*", 3), ("schlafsaecke", 3),
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("dachzelt*", 3), ("campingbett*", 3), ("zelt*", 3), ("gaskocher", 3),
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("campingkocher", 3), ("kopfkissen", 3), ("campingstuhl*", 3), ("campingstuehle", 3),
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("sonnensegel", 3), ("luftmatratze*", 3), ("isomatte*", 3), ("campingdusche*", 3),
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("produkttest*", 3), ("testbericht*", 3), ("im test", 3), ("getestet", 3),
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("decathlon", 3), ("coleman", 3), ("campingaz", 3), ("quechua", 3), ("ausruestung", 3),
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("campingausruestung", 3), ("gadget*", 3), ("markise*", 3), ("nachttisch*", 3),
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("geschirr", 3), ("grill*", 3), ("campingmoebel", 3), ("stirnlampe*", 3),
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("powerbank*", 3), ("wasserkanister", 3), ("vorzelt*", 3), ("haengematte*", 3),
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("campingkueche*", 3), ("campingtisch*", 3), ("camping-helfer", 3),
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("kaffeemaschine*", 3), ("campingtoilette*", 3), ("rucksack*", 3), ("wanderschuh*", 3),
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("thermacell", 3), ("kabeltrommel*", 3), ("fernglas", 3), ("fernglaeser", 3),
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("tarp", 3), ("lichterkette*", 3), ("klapptisch*", 3), ("uv-schutz", 2),
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("wasserdicht*", 2), ("belueftung", 2), ("kaufberatung", 3), ("marktcheck", 3),
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("mueckenschutz", 3), ("sonnenschutz", 2), ("ventilator*", 3), ("campinggeschirr", 3),
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("campingzelt*", 3), ("wurfzelt*", 3), ("tunnelzelt*", 3), ("familienzelt*", 3),
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("trekkingzelt*", 3), ("aufblasbare*", 2), ("trenntoilette*", 3),
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("kassettentoilette*", 3), ("toilette*", 2), ("gaswarner", 3), ("rauchmelder", 3),
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("feuerloescher", 3), ("co melder", 3), ("router", 3), ("mobilfunk", 3), ("wlan", 3),
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("lte", 3), ("5g", 3), ("internet", 2), ("buchtipp*", 2),
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)),
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("campingplaetze", (
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("campingplatz*", 3), ("campingplaetze", 3), ("5-sterne*", 3), ("fuenf sterne", 3),
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("adac-superplatz", 3), ("adac bewertung", 3), ("adac-bewertung", 3),
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("superplatz*", 3), ("glamping", 3), ("wellness-camping", 3), ("suedsee-camp", 3),
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("wirthshof", 3), ("trekking-camp*", 3), ("naturcamping*", 3), ("campingpark*", 3),
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("ferienpark*", 3), ("sanitaer*", 3), ("platz des jahres", 3), ("campingdorf", 3),
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("campinganlage*", 3), ("campingplatzbetreiber", 3), ("campingfuehrer", 3),
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("pincamp", 3), ("dauercamp*", 3), ("camping-check", 3), ("campingresort", 3),
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("stammgaeste", 2), ("kinderanimation", 2), ("resort", 2), ("wellness", 2),
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("campingplatz-ranking", 3), ("platzbewertung", 3),
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)),
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("stellplaetze", (
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("stellplatz*", 3), ("stellplaetze", 3), ("freistehen", 3), ("wildcamp*", 3),
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("camping-car park", 3), ("wohnmobilstellplatz*", 3), ("wohnmobilstellplaetze", 3),
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("wohnmobilhafen", 3), ("wohnmobil-stellplaetze", 3), ("stellplatzfuehrer", 3),
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("uebernachtungsmoeglichkeit*", 2), ("stellplatz-radar", 3), ("parkplatz", 1),
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("parken", 1), ("church4night", 3), ("raststaette*", 2), ("autohof*", 2),
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)),
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("news-branche", (
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("bvcd", 3), ("bundesverband", 3), ("camping-boom", 3), ("campingboom", 3),
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("uebernachtungszahlen", 3), ("preisanalyse", 3), ("preisentwicklung", 3),
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("campingpreise", 3), ("preisanstieg", 3), ("preiserhoehung*", 3), ("destatis", 3),
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("camping-trends", 3), ("campingtrend*", 3), ("marktanalyse", 3), ("caravan salon", 3),
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("messe", 3), ("promobil", 3), ("insolvenz", 3), ("saisonstart", 3),
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("jahreszahlen", 3), ("uebernachtungen", 3), ("rekordzahl", 3), ("statistik*", 3),
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("umfrage", 3), ("studie", 3), ("branche", 3), ("investitionen", 2), ("tourismus", 2),
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("nachfrage", 2), ("bilanz", 2), ("rekord", 2), ("auszeichnung", 2),
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("ausgezeichnet", 2), ("preisvergleich", 2), ("eroeffnung", 2), ("eroeffnet", 2),
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("uebernimmt", 2), ("verkauft", 2), ("pressemeldung", 2), ("feuerwehr", 3),
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("polizei", 2), ("unfall", 3), ("verletzte", 3), ("hochwasser", 2), ("evakuiert", 3),
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("veranstaltung*", 2),
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)),
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("reiseziele", (
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("nordsee", 3), ("ostsee", 3), ("niedersachsen", 3), ("bodensee", 3),
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("lueneburger heide", 3), ("thueringen", 3), ("harz", 3), ("italien", 3),
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("kroatien", 3), ("schweiz", 3), ("oesterreich", 3), ("norwegen", 3), ("schweden", 3),
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("niederlande", 3), ("holland", 3), ("ruegen", 3), ("fehmarn", 3), ("gardasee", 3),
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("schwarzwald", 3), ("sauerland", 3), ("edersee", 3), ("bayern", 3), ("hessen", 3),
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("nrw", 3), ("mecklenburg*", 3), ("baden-wuerttemberg", 3), ("adriakueste", 3),
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("daenemark", 3), ("frankreich", 3), ("spanien", 3), ("portugal", 3), ("slowenien", 3),
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("weserradweg", 3), ("waldeck*", 3), ("sylt", 3), ("usedom", 3), ("allgaeu", 3),
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("eifel", 3), ("mosel", 3), ("alpen", 3), ("toskana", 3), ("brandenburg", 3),
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("sachsen", 3), ("schleswig-holstein", 3), ("rheinland-pfalz", 3), ("saarland", 3),
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("tirol", 3), ("suedtirol", 3), ("belgien", 3), ("tschechien", 3), ("polen", 3),
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("ungarn", 3), ("pyrenaeen", 3), ("nationalpark*", 3), ("reiseziel*", 3),
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("rundreise*", 3), ("roadtrip*", 3), ("reisebericht*", 3), ("ausflugsziel*", 3),
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("kurztrip*", 3), ("europa", 2), ("kueste", 2), ("region", 1), ("uckermark", 3),
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("lausitz", 3), ("schwaebische alb", 3), ("ausflug*", 2), ("geheimtipp*", 2),
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("uebersee", 2), ("kanada", 3),
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)),
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("camping-tipps", (
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("tipp", 3), ("tipps", 3), ("tricks", 3), ("ratgeber", 3), ("anleitung", 3),
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("checkliste", 3), ("packliste", 3), ("buchungstipp*", 3), ("reiseplanung", 3),
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("urlaubsplanung", 3), ("camping apps", 3), ("nebensaison", 3), ("wintercamping", 3),
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("campingsaison", 3), ("camping-saison", 3), ("angrillen", 3), ("reisetipp*", 3),
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("erste hilfe", 3), ("diebstahlschutz", 3), ("so geht", 2), ("so funktioniert", 2),
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("worauf", 2), ("das sollten", 2), ("muss man wissen", 2), ("wie man", 2),
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("vermeiden", 2), ("hygiene", 2), ("sicherheit", 2), ("vorbereitung", 2), ("hitze", 2),
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("wetter", 1), ("guide", 2), ("mythos", 2), ("mythen", 2), ("mit hund", 2),
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("hundefreundlich*", 2),
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)),
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("vanlife", (
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("vanlife", 3), ("van-life", 3), ("van life", 3), ("minimalismus", 3),
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("digitale nomaden", 3), ("aussteiger", 3), ("slow travel", 3),
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("campergemeinschaft", 3), ("camper-gemeinschaft", 3), ("lebensgefuehl", 3),
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("auszeit", 2), ("freiheit", 2), ("abenteuer", 2), ("gedanken", 2),
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("nachhaltigkeit", 2),
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)),
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)
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_PRIORITY = {key: i for i, (key, _) in enumerate(_RULES)}
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# A clear discount signal decides on its own: a tent on sale is first of all an
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# offer. Otherwise "Ausruestung & Tests" wins on the sheer number of product
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# tags and the offers category stays nearly empty.
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_OFFER_KEY = "angebote-rabatte"
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_OFFER_OVERRIDE_MIN_WEIGHT = 3
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def _normalise(text: str) -> str:
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text = text.lower()
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for src, dst in (("\u00e4", "ae"), ("\u00f6", "oe"), ("\u00fc", "ue"), ("\u00df", "ss")):
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text = text.replace(src, dst)
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text = text.replace("&", " ").replace("&", " ")
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text = re.sub(r"[\u201e\u201c\u201d\u2018\u2019\u00ab\u00bb\"']", " ", text)
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text = text.replace("\u2013", "-").replace("\u2014", "-")
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return re.sub(r"\s+", " ", text).strip()
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def _compile(keyword: str) -> re.Pattern[str]:
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compound = keyword.endswith("*")
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core = _normalise(keyword[:-1] if compound else keyword)
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body = re.escape(core).replace(r"\ ", r"\s+")
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tail = r"[a-z0-9]*" if compound else r"(?![a-z0-9])"
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return re.compile(r"(?<![a-z0-9])" + body + tail)
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_PATTERNS: dict[str, tuple[tuple[re.Pattern[str], int], ...]] = {
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key: tuple((_compile(kw), weight) for kw, weight in keywords) for key, keywords in _RULES
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}
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def classify(title: str, tags: Sequence[str] | None = None) -> str | None:
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"""Return a category key, or None when no rule matches.
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Callers should leave the category unset in that case so the article stays
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visible in WordPress' default category instead of being filed wrongly.
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"""
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title_text = _normalise(title or "")
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tag_text = _normalise(" | ".join(tags or []))
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scores: dict[str, int] = {}
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for key, patterns in _PATTERNS.items():
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total = 0
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for pattern, weight in patterns:
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if pattern.search(tag_text):
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total += 3 * weight
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if pattern.search(title_text):
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total += 2 * weight
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if total:
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scores[key] = total
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if not scores:
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return None
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for pattern, weight in _PATTERNS[_OFFER_KEY]:
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if weight >= _OFFER_OVERRIDE_MIN_WEIGHT and (
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pattern.search(tag_text) or pattern.search(title_text)
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):
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return _OFFER_KEY
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return max(scores.items(), key=lambda item: (item[1], -_PRIORITY[item[0]]))[0]
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def category_slug(title: str, tags: Sequence[str] | None = None) -> str | None:
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"""Return the WordPress category slug for an article, or None."""
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key = classify(title, tags)
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return CATEGORY_SLUGS.get(key) if key else None
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