18 lines
1.1 KiB
Python
18 lines
1.1 KiB
Python
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import pathlib,json,urllib.request,hashlib,concurrent.futures
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root=pathlib.Path.cwd(); folder=root/'assets/textures/quarry_realism'; folder.mkdir(parents=True,exist_ok=True)
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assets={'aerial_asphalt_01':2.0,'concrete_wall_007':3.0,'rusty_metal_02':2.0}
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def task(pair):
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a,meters=pair
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try: meta=json.load(urllib.request.urlopen(urllib.request.Request('https://api.polyhaven.com/files/'+a,headers={'User-Agent':'BLOCKLINE asset preparation'}),timeout=60))
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except Exception as e: print(a,e,flush=True); return
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dest=folder/a; dest.mkdir(exist_ok=True); manifest={}
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for kind in ['Diffuse','nor_gl','Rough','Metal']:
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if kind not in meta: continue
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info=meta[kind]['4k']['jpg']; p=dest/(kind+'.jpg')
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if not p.exists(): p.write_bytes(urllib.request.urlopen(info['url'],timeout=120).read())
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assert hashlib.md5(p.read_bytes()).hexdigest()==info['md5'];manifest[kind]=info
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(dest/'source.json').write_text(json.dumps({'source':'https://polyhaven.com/a/'+a,'license':'CC0-1.0','meters':meters,'files':manifest},indent=2))
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print(a,'OK',flush=True)
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with concurrent.futures.ThreadPoolExecutor(max_workers=3) as ex:list(ex.map(task,assets.items()))
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