Wikibase Registry to Wikibase World redirect Flask app

app.py

from flask import Flask, jsonify, redirect, request
app = Flask(__name__)
app.debug = True

# "X"  is used for entities that were dropped during transition
# None is used for entity IDs that were never assigned to begin with

mappings = {
    "Q1":     None,
    "Q2":     "Q1",
    "Q3":     "Q56",
    "Q4":     "Q58",
    "Q5":     "Q29",
    "Q6":     "Q26",
    "Q7":     "Q63",
    "Q8":     "Q65",
    "Q9":     "Q64",
    "Q10":    "Q65",
    "Q11":    "Q66",
    "Q12":    "Q67",
    "Q13":    "Q71",
    "Q14":    "Q73",
    "Q15":    "Q41",
    "Q16":    "Q45",
    "Q17":    "Q30",
    "Q18":    "Q50",
    "Q19":    "Q34",
    "Q20":    "Q10",
    "Q21":    "Q9",
    "Q22":    "Q116",
    "Q23":    None,
    "Q24":    "Q74",
    "Q25":    "Q75",
    "Q26":    "Q39",
    "Q27":    "Q51",
    "Q28":    "Q52",
    "Q29":    "Q53",
    "Q30":    "Q120",
    "Q31":    "Q55",
    "Q32":    "Q77",
    "Q33":    "Q39",
    "Q34":    "Q76",
    "Q35":    "Q78",
    "Q36":    "Q79",
    "Q37":    "Q40",
    "Q38":    "Q80",
    "Q39":    "Q2",
    "Q40":    "Q81",
    "Q41":    "Q82",
    "Q42":    None,
    "Q43":    None,
    "Q44":    "Q83",
    "Q45":    "Q97",
    "Q46":    "Q95",
    "Q47":    "Q95",
    "Q48":    "Q95",
    "Q49":    "Q98",
    "Q50":    "Q96",
    "Q51":    "Q51",
    "Q52":    "Q133",
    "Q53":    "Q132",
    "Q54":    "X",
    "Q55":    "Q159",
    "Q56":    "Q164",
    "Q57":    "Q138",
    "Q58":    "Q160",
    "Q59":    "Q169",
    "Q60":    "Q163",
    "Q61":    "Q68",
    "Q62":    "Q69",
    "Q63":    "Q92",
    "Q64":    "Q139",
    "Q65":    "Q143",
    "Q66":    "Q165",
    "Q67":    "Q167",
    "Q68":    "Q194",
    "Q69":    "Q84",
    "Q70":    "Q144",
    "Q71":    "Q166",
    "Q72":    "X",
    "Q73":    "Q151",
    "Q74":    "Q170",
    "Q75":    "Q131",
    "Q76":    "Q145",
    "Q77":    "Q152",
    "Q78":    "Q44",
    "Q79":    "Q130",
    "Q80":    "Q168",
    "Q81":    "Q201",
    "Q82":    "Q196",
    "Q83":    "Q129",
    "Q84":    "Q154",
    "Q85":    "Q146",
    "Q86":    "Q197",
    "Q87":    "Q156",
    "Q88":    "Q199",
    "Q89":    "Q161",
    "Q90":    "Q162",
    "Q91":    "Q198",
    "Q92":    "X",
    "Q93":    "X",
    "Q94":    "Q155",
    "Q95":    "Q158",
    "Q96":    "Q157",
    "Q97":    "X",
    "Q98":    "X",
    "Q99":    "Q121",
    "Q100":   "Q153",
    "Q101":   "X",
    "Q102":   "Q93",
    "Q103":   "Q94",
    "Q104":   "Q61",
    "Q105":   "Q59",
    "Q106":   "Q60",
    "Q107":   "Q122",
    "Q108":   "Q100",
    "Q109":   "Q123",
    "Q110":   "Q124",
    "Q111":   "Q125",
    "Q112":   "Q126",
    "Q113":   "Q127",
    "Q114":   "Q128",
    "Q115":   "Q102",
    "Q116":   "Q101",
    "Q117":   "Q99",
    "Q118":   "Q22",
    "Q119":   "Q147",
    "Q120":   "Q148",
    "Q121":   "Q95",
    "Q122":   "Q86",
    "Q123":   "Q28",
    "Q124":   "Q89",
    "Q125":   "Q135",
    "Q126":   "Q43",
    "Q127":   "Q104",
    "Q128":   "Q24",
    "Q129":   "Q140",
    "Q130":   "Q105",
    "Q131":   "Q91",
    "Q132":   "Q62",
    "Q133":   "Q134",
    "Q134":   "Q106",
    "Q135":   "Q107",
    "Q136":   "Q33",
    "Q137":   "Q108",
    "Q138":   "Q109",
    "Q139":   "Q110",
    "Q140":   "Q37",
    "Q141":   "Q111",
    "Q142":   "Q85",
    "Q143":   "Q112",
    "Q144":   "Q113",
    "Q145":   "Q141",
    "Q146":   "Q142",
    "Q147":   "Q103",
    "Q148":   "Q90",
    "Q149":   "Q114",
    "Q150":   "Q115",
    "Q151":   "Q19",
    "Q152":   "Q20",
    "P1":     None,
    "P2":     "P1",
    "P3":     "P7",
    "P4":     "P8",
    "P5":     "P5",
    "P6":     "P9",
    "P7":     "P21",
    "P8":     "P6",
    "P9":     "P10",
    "P10":    "P11",
    "P11":    "P3",
    "P12":    "P12",
    "P13":    None,
    "P14":    "P27",
    "P15":    "P34",
    "P16":    "P30",
    "P17":    "X",
    "P18":    "P33",
    "P19":    "P26",
    "P20":    "P29",
    "P21":    "P17",
    "P22":    "P25",
    "P23":    None,
    "P24":    "X",
    "P25":    "P24",
    "P26":    "P20",
    "P27":    "P14",
    "P28":    "P29",
    "P29":    "X",
    "P30":    "X",
    "P31":    "P23",
    "P32":    "P4",
    "P33":    "P15",
    "P34":    "P1",
    "P35":    "P5",
    "P36":    "P22",
    "P37":    "P13",
    "P38":    "P4"
}

NEW_DOMAIN = "https://wikibase.world"


def go_home():
    return redirect(NEW_DOMAIN, code=301)


@app.route('/wiki/Special:EntityData/<path:path>')
def entity_data_redirect(path):
    id_from_path = path.split('.')[0]
    for old_id, new_id in mappings.items():
        if old_id == id_from_path:
            if new_id in ['X', None]:
                return go_home()
            else:
                path = path.replace(old_id, new_id)
                break
    return redirect(f"{NEW_DOMAIN}/wiki/Special:EntityData/{path}", code=301)


@app.route('/entity/<path:path>')
def entity_redirect(path):
    for old_id, new_id in mappings.items():
        if old_id == path:
            if new_id in ['X', None]:
                return go_home()
            else:
                path = path.replace(old_id, new_id)
                break
    return redirect(f"{NEW_DOMAIN}/entity/{path}", code=301)


@app.route('/w/index.php')
def index_php_redirect():
    args = request.args.copy()
    title = args.get('title')
    if title is None:
        return go_home()
    title = title.replace('Item:', '')
    title = title.replace('Property:', '')
    if title in mappings:
        t = mappings[title]
        if t in ['X', None]:
            return go_home()
        if t.startswith('P'):
            t = "Property:" + t
        elif t.startswith('Q'):
            t = "Item:" + t
        args['title'] = t
    query_string = '&'.join([f"{key}={value}" for key, value in args.items()])
    return redirect(f"{NEW_DOMAIN}/w/index.php?{query_string}", code=301)


@app.route('/wiki/<path:path>')
def generic_redirect(path):
    if path == '' or path is None:
        return go_home()
    if path.startswith('Item:') or path.startswith('Property:'):
        path = path.replace('Item:', '').replace('Property:', '')
        for old_id, new_id in mappings.items():
            if old_id == path:
                if new_id in ['X', None]:
                    return go_home()
                path = path.replace(old_id, new_id)
                break
        if path.startswith('Q'):
            path = 'Item:' + path
        elif path.startswith('P'):
            path = 'Property:' + path
    return redirect(f"{NEW_DOMAIN}/wiki/{path}", code=301)


@app.route('/mapping')
def print_mappings():
    filtered_mappings = {key: value for key, value in mappings.items()
                         if value != "X" and value is not None}
    return jsonify(filtered_mappings)


@app.route('/dropped')
def print_dropped():
    filtered_mappings = [key for key, value in mappings.items() if value == "X"]
    return jsonify(filtered_mappings)


@app.route('/', defaults={'path': ''})
@app.route('/<path:path>')
def catch_all(path):
    return go_home()


if __name__ == "__main__":
    app.run(host='0.0.0.0', port=8989)