Thibaut color-extract script + color filter enabled (38/38 clickthrough)

c8841df9f70e1d713299c4d4d98c4f8392f935de · 2026-06-12 12:26:54 -0700 · Steve Abrams

Files touched

A artmura-site/extract-colors-cdn.py

Diff

commit c8841df9f70e1d713299c4d4d98c4f8392f935de
Author: Steve Abrams <steve@designerwallcoverings.com>
Date:   Fri Jun 12 12:26:54 2026 -0700

    Thibaut color-extract script + color filter enabled (38/38 clickthrough)
---
 artmura-site/extract-colors-cdn.py | 72 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)

diff --git a/artmura-site/extract-colors-cdn.py b/artmura-site/extract-colors-cdn.py
new file mode 100644
index 0000000..961ed36
--- /dev/null
+++ b/artmura-site/extract-colors-cdn.py
@@ -0,0 +1,72 @@
+#!/usr/bin/env python3
+"""Dominant color (hex+hue+sat+val+bucket) per SKU for a build-line line whose images are
+Shopify CDN urls. Reads lines/<slug>.json, fetches images[0] at ?width=120 (tiny), writes
+lines/<slug>-colors.json keyed by mfr_sku. Same logic as scripts/artmura-onboard/extract_colors.py.
+
+    python3 extract-colors-cdn.py thibaut
+"""
+import json, os, sys, colorsys, io, urllib.request
+from collections import Counter
+from concurrent.futures import ThreadPoolExecutor, as_completed
+from PIL import Image
+
+HERE = os.path.dirname(os.path.abspath(__file__))
+slug = sys.argv[1] if len(sys.argv) > 1 else "thibaut"
+PKG = json.load(open(os.path.join(HERE, "lines", f"{slug}.json")))
+
+def fetch(url):
+    sep = '&' if '?' in url else '?'
+    req = urllib.request.Request(url + sep + "width=120", headers={"User-Agent": "dw-color/1.0"})
+    with urllib.request.urlopen(req, timeout=20) as r:
+        return Image.open(io.BytesIO(r.read())).convert("RGB").resize((64, 64))
+
+def dominant(im):
+    q = im.quantize(colors=16).convert("RGB")
+    ranked = Counter(q.getdata()).most_common()
+    def score(item):
+        (r, g, b), n = item
+        h, s, v = colorsys.rgb_to_hsv(r/255, g/255, b/255)
+        return n * (0.5 + s)
+    (r, g, b), _ = max(ranked[:6], key=score)
+    return r, g, b
+
+def bucket(h, s, v):
+    if v < 0.18: return "black"
+    if s < 0.12 and v > 0.85: return "white"
+    if s < 0.14: return "grey"
+    deg = h * 360
+    if deg < 16 or deg >= 345: return "red"
+    if deg < 45: return "orange" if v > 0.5 else "brown"
+    if deg < 70: return "gold"
+    if deg < 160: return "green"
+    if deg < 200: return "teal"
+    if deg < 255: return "blue"
+    if deg < 290: return "purple"
+    return "pink"
+
+def one(p):
+    sku, imgs = p.get("mfr_sku"), p.get("images") or []
+    if not sku or not imgs:
+        return None
+    try:
+        r, g, b = dominant(fetch(imgs[0]))
+        h, s, v = colorsys.rgb_to_hsv(r/255, g/255, b/255)
+        return sku, {"hex": f"#{r:02x}{g:02x}{b:02x}", "hue": round(h*360, 1),
+                     "sat": round(s, 3), "val": round(v, 3), "bucket": bucket(h, s, v)}
+    except Exception:
+        return None
+
+out, done, total = {}, 0, len(PKG["products"])
+with ThreadPoolExecutor(max_workers=16) as ex:
+    futs = [ex.submit(one, p) for p in PKG["products"]]
+    for f in as_completed(futs):
+        done += 1
+        r = f.result()
+        if r:
+            out[r[0]] = r[1]
+        if done % 200 == 0:
+            print(f"  …{done}/{total}  ({len(out)} extracted)")
+
+open(os.path.join(HERE, "lines", f"{slug}-colors.json"), "w").write(json.dumps(out, indent=1))
+print(f"extracted {len(out)}/{total} colors → lines/{slug}-colors.json")
+print("buckets:", dict(Counter(v["bucket"] for v in out.values()).most_common()))

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