57 lines
4.0 KiB
Python
57 lines
4.0 KiB
Python
#!/usr/bin/env python3
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"""Audit IMG-derived POIs for custom indexability and truthfully report native semantic tags.
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This measures converted OSM, NOT actual OsmAnd screen visibility nor .obf indexing.
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Output inventory always includes Garmin codes and example coordinates.
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"""
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import argparse,csv,gzip,json
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from pathlib import Path
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from collections import Counter,defaultdict
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from xml.etree.ElementTree import iterparse
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CLASS_KEYS=('amenity','tourism','historic','shop','emergency','leisure','natural','man_made','place','highway','landuse','power','waterway','aerialway','industrial','barrier','sport','building')
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def main():
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a=argparse.ArgumentParser();a.add_argument('--osm',required=True);a.add_argument('--catalog',required=True);a.add_argument('--csv',required=True);a.add_argument('--json',required=True);a.add_argument('--samples',type=int,default=5);args=a.parse_args()
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with open(args.catalog,encoding='utf-8-sig',newline='') as f:catalog={r['code'].lower():r for r in csv.DictReader(f)}
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stats=defaultdict(Counter); samples=defaultdict(list); counts=Counter(); bad=[]; overview=Counter()
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opener=gzip.open if args.osm.endswith('.gz') else open
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with opener(args.osm,'rb') as f:
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for _,el in iterparse(f,events=('end',)):
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if el.tag not in ('node','way','relation'):continue
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if el.tag!='node':el.clear();continue
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tags={x.get('k'):x.get('v') for x in el.findall('tag') if x.get('k') is not None}
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if tags.get('garmin:feature')!='poi':el.clear();continue
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code=tags.get('garmin:type','').lower();counts[code]+=1;overview['pois']+=1
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name=tags.get('name','');kind=[f'{k}={tags[k]}' for k in CLASS_KEYS if k in tags]
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if not kind:overview['needs_custom_style']+=1
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else:overview['has_native_semantics']+=1
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if not name:overview['nameless']+=1
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if tags.get('bgm:generated_name')=='yes':stats[code]['generated_name']+=1;overview['generated_name']+=1
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if tags.get('bgm:synthetic_icon')=='yes':stats[code]['synthetic_icon']+=1;overview['synthetic_icon']+=1
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if not tags.get('bgm_poi'):overview['missing_raw_type_index_tag']+=1
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else:overview['has_bgm_poi_tag']+=1
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if len(samples[code])<args.samples:samples[code].append((el.get('lat'),el.get('lon'),name, '|'.join(kind)))
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el.clear()
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rows=[]
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for code in sorted(counts,key=lambda x:(-counts[x],x)):
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base=catalog.get(code,{})
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row=dict(code=code,osm_poi_count=counts[code],nationwide_type_count=base.get('count',''),
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icon_strategy=('native+custom' if samples[code][0][3] else 'custom_style_required'),
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synthetic_count=stats[code]['synthetic_icon'],generated_name_count=stats[code]['generated_name'],
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legend=base.get('verified_legend_bg',''),review_status=base.get('review_status',''),
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example_lat=samples[code][0][0],example_lon=samples[code][0][1],
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example_name=samples[code][0][2],example_osm_tags=samples[code][0][3],
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osm_coord_link=f"https://www.openstreetmap.org/?mlat={samples[code][0][0]}&mlon={samples[code][0][1]}#map=18/{samples[code][0][0]}/{samples[code][0][1]}")
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rows.append(row)
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path=Path(args.csv);path.parent.mkdir(parents=True,exist_ok=True)
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with path.open('w',encoding='utf-8',newline='') as f:
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if rows:w=csv.DictWriter(f,fieldnames=list(rows[0]));w.writeheader();w.writerows(rows)
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summary=dict(status='PASS' if not overview['nameless'] and not overview['missing_raw_type_index_tag'] else 'FAIL',
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counts=dict(overview),catalog_types=len(catalog),exported_types=len(counts),
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note='POIs without standard OSM categories are valid for this PRIVATE map because bgm_poi uses custom index and renderer. They require importing the style; this does not prove OBF persistence or screen visibility.',
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errors=bad[:100],missing_types_from_catalog=sorted(set(counts)-set(catalog)))
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Path(args.json).write_text(json.dumps(summary,ensure_ascii=False,indent=2)+'\n',encoding='utf-8')
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print(json.dumps(summary,ensure_ascii=False,indent=2))
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return 0 if summary['status']=='PASS' and not summary['missing_types_from_catalog'] else 2
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if __name__=='__main__':raise SystemExit(main())
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