344 lines
11 KiB
Python
Executable file
344 lines
11 KiB
Python
Executable file
#!/usr/bin/python3
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from flask import Flask, render_template, url_for, redirect, request, g
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from depicts import utils, wdqs, commons, mediawiki, painting
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import json
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import os
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import locale
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import random
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locale.setlocale(locale.LC_ALL, 'en_US.UTF-8')
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thumbwidth = 300
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app = Flask(__name__)
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find_more_props = {
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'P135': 'movement',
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'P136': 'genre',
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'P170': 'artist',
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'P195': 'collection',
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'P276': 'location',
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'P495': 'country of origin',
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'P127': 'owned by',
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'P179': 'part of the series',
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'P921': 'main subject',
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'P186': 'material used',
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'P88': 'commissioned by',
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'P1028': 'donated by',
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'P1071': 'location of final assembly',
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'P138': 'named after',
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'P1433': 'published in',
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'P144': 'based on',
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'P2079': 'fabrication method',
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'P2348': 'time period',
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'P361': 'part of',
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'P608': 'exhibition history',
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# possible future props
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# 'P571': 'inception',
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# 'P166': 'award received', (only 2)
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# 'P1419': 'shape', (only 2)
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# 'P123': 'publisher', (only 1)
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}
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find_more_query = '''
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select ?item ?itemLabel ?image ?artist ?artistLabel ?title ?time ?timeprecision {
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SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
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?item wdt:P31 wd:Q3305213 .
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PARAMS
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?item wdt:P18 ?image .
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OPTIONAL {
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?item p:P571/psv:P571 ?timenode .
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?timenode wikibase:timeValue ?time.
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?timenode wikibase:timePrecision ?timeprecision.
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}
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OPTIONAL { ?item wdt:P1476 ?title }
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OPTIONAL { ?item wdt:P170 ?artist }
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FILTER NOT EXISTS { ?item wdt:P180 ?depicts }
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}
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'''
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facet_query = '''
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select ?property ?object ?objectLabel (count(*) as ?count) {
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SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
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?item wdt:P31 wd:Q3305213 .
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?item wdt:P18 ?image .
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PARAMS
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values ?property { PROPERTY_LIST }
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?item ?property ?object .
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FILTER NOT EXISTS { ?item wdt:P180 ?depicts }
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} group by ?property ?propertyLabel ?object ?objectLabel
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'''
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property_query = '''
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select ?object ?objectLabel ?objectDescription (count(*) as ?count) {
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?item wdt:P31 wd:Q3305213 .
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?item wdt:P18 ?image .
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?item wdt:PID ?object .
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filter not exists { ?item wdt:P180 ?depicts }
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optional {
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?object rdfs:label ?objectLabel.
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FILTER(LANG(?objectLabel) = "en").
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}
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optional {
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?object schema:description ?objectDescription .
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filter(lang(?objectDescription) = "en")
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}
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} group by ?object ?objectLabel ?objectDescription
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order by desc(?count)
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'''
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painting_no_depicts_query = '''
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select distinct ?item where {
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?item wdt:P31 wd:Q3305213 .
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?item wdt:P18 ?image .
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filter not exists { ?item wdt:P180 ?depicts }
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}
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'''
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@app.template_global()
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def set_url_args(**new_args):
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args = request.view_args.copy()
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args.update(request.args)
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args.update(new_args)
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args = {k: v for k, v in args.items() if v is not None}
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return url_for(request.endpoint, **args)
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@app.before_request
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def init_profile():
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g.profiling = []
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@app.route("/")
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def index():
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return render_template('index.html', props=find_more_props)
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@app.route("/property/P<int:property_id>")
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def property_query_page(property_id):
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pid = f'P{property_id}'
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sort = request.args.get('sort')
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sort_by_name = sort and sort.lower().strip() == 'name'
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q = property_query.replace('PID', pid)
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rows = wdqs.run_query_with_cache(q, name=pid)
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no_label_qid = [row['object']['value'].rpartition('/')[2]
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for row in rows
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if 'objectLabel' not in row and '/' in row['object']['value']]
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if no_label_qid:
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extra_label = get_labels(no_label_qid, name=f'{pid}_extra_labels')
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if extra_label:
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for row in rows:
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item = row['object']['value']
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if 'objectLabel' in row or '/' not in item:
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continue
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qid = item.rpartition('/')[2]
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if extra_label.get(qid):
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row['objectLabel'] = {'value': extra_label[qid]}
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if sort_by_name:
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# put rows with no English label at the end
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no_label = [row for row in rows if 'objectLabel' not in row]
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has_label = sorted((row for row in rows if 'objectLabel' in row),
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key=lambda row: locale.strxfrm(row['objectLabel']['value']))
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rows = has_label + no_label
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label = find_more_props[pid]
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return render_template('property.html',
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label=label,
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order=('name' if sort_by_name else 'count'),
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pid=pid,
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rows=rows)
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@app.route('/random')
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def random_painting():
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rows = wdqs.run_query_with_cache(painting_no_depicts_query)
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row = random.choice(rows)
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item_id = wdqs.row_id(row)
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return redirect(url_for('item_page', item_id=item_id))
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@app.route("/item/Q<int:item_id>")
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def item_page(item_id):
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qid = f'Q{item_id}'
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item = painting.Painting(qid)
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width = 800
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image_filename = item.image_filename
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filename = f'cache/{qid}_{width}_image.json'
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if os.path.exists(filename):
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detail = json.load(open(filename))
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else:
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detail = commons.image_detail([image_filename], thumbwidth=width)
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json.dump(detail, open(filename, 'w'), indent=2)
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hits = item.run_query()
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return render_template('item.html',
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qid=qid,
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item=item,
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image=detail[image_filename],
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hits=hits,
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title=item.display_title)
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def get_entity_label(entity):
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if 'en' in entity['labels']:
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return entity['labels']['en']['value']
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label_values = {l['value'] for l in entity['labels'].values()}
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if len(label_values) == 1:
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return list(label_values)[0]
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def get_labels(keys, name=None):
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keys = sorted(keys, key=lambda i: int(i[1:]))
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if name is None:
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name = '_'.join(keys)
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filename = f'cache/{name}_labels.json'
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labels = []
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if os.path.exists(filename):
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from_cache = json.load(open(filename))
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if isinstance(from_cache, dict) and from_cache.get('keys') == keys:
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labels = from_cache['labels']
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if not labels:
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for cur in utils.chunk(keys, 50):
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labels += mediawiki.get_entities(cur, props='labels')
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json.dump({'keys': keys, 'labels': labels},
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open(filename, 'w'), indent=2)
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return {entity['id']: get_entity_label(entity) for entity in labels}
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@app.route("/next/Q<int:item_id>")
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def next_page(item_id):
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qid = f'Q{item_id}'
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entity = mediawiki.get_entity_with_cache(qid)
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width = 800
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image_filename = entity['claims']['P18'][0]['mainsnak']['datavalue']['value']
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filename = f'cache/{qid}_{width}_image.json'
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if os.path.exists(filename):
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detail = json.load(open(filename))
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else:
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detail = commons.image_detail([image_filename], thumbwidth=width)
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json.dump(detail, open(filename, 'w'), indent=2)
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other_items = set()
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for key in find_more_props.keys():
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if key not in entity['claims']:
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continue
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for claim in entity['claims'][key]:
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other_items.add(claim['mainsnak']['datavalue']['value']['id'])
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item_labels = get_labels(other_items)
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if 'en' in entity['labels']:
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label = entity['labels']['en']['value']
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elif len(entity['labels']) == 1:
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label = list(entity['labels'].values())[0]['value']
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else:
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label = 'title missing'
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return render_template('next.html',
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qid=qid,
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label=label,
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image=detail[image_filename],
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labels=find_more_props,
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other=item_labels,
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entity=entity)
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@app.route('/P<int:property_id>/Q<int:item_id>')
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def find_more_page(property_id, item_id):
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pid, qid = f'P{property_id}', f'Q{item_id}'
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return redirect(url_for('browse_page', **{pid: qid}))
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def get_facets(sparql_params, params):
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flat = '_'.join(f'{pid}={qid}' for pid, qid in params)
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property_list = ' '.join(f'wdt:{pid}' for pid in find_more_props.keys()
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if pid not in request.args)
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q = (facet_query.replace('PARAMS', sparql_params)
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.replace('PROPERTY_LIST', property_list))
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bindings = wdqs.run_query_with_cache(q, flat + '_facets')
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facets = {key: [] for key in find_more_props.keys()}
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for row in bindings:
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pid = row['property']['value'].rpartition('/')[2]
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qid = row['object']['value'].rpartition('/')[2]
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label = row['objectLabel']['value']
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count = int(row['count']['value'])
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facets[pid].append({'qid': qid, 'label': label, 'count': count})
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return {
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key: sorted(values, key=lambda i: i['count'], reverse=True)[:15]
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for key, values in facets.items()
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if values
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}
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@app.route('/browse')
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def browse_page():
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params = [(pid, qid) for pid, qid in request.args.items()
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if pid.startswith('P') and qid.startswith('Q')]
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flat = '_'.join(f'{pid}={qid}' for pid, qid in params)
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# item_entity = get_entity_with_cache(qid)
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item_labels = get_labels(qid for pid, qid in params)
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# property_keys = item_entity['claims'].keys()
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# property_labels = get_labels(property_keys, name=f'{flat}_property_labels')
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sparql_params = ''.join(
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f'?item wdt:{pid} wd:{qid} .\n' for pid, qid in params)
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q = find_more_query.replace('PARAMS', sparql_params)
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bindings = wdqs.run_query_with_cache(q, flat)
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facets = get_facets(sparql_params, params)
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page_size = 45
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item_map = wdqs.build_browse_item_map(bindings)
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items = []
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for item in item_map.values():
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if len(item['image_filename']) != 1:
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continue
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item['image_filename'] = item['image_filename'][0]
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items.append(item)
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if len(items) >= page_size:
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break
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filenames = [cur['image_filename'] for cur in items]
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filename = f'cache/{flat}_{page_size}_images.json'
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if os.path.exists(filename):
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detail = json.load(open(filename))
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else:
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detail = commons.image_detail(filenames, thumbwidth=thumbwidth)
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json.dump(detail, open(filename, 'w'), indent=2)
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for item in items:
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item['url'] = url_for('item_page', item_id=item['item_id'])
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item['image'] = detail[item['image_filename']]
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title = ' / '.join(item_labels[qid] for pid, qid in params)
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return render_template('find_more.html',
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facets=facets,
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prop_labels=find_more_props,
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label=title,
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labels=find_more_props,
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bindings=bindings,
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total=len(bindings),
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items=items)
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if __name__ == "__main__":
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app.debug = True
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app.run(host='0.0.0.0', debug=True)
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