update gitignore

.gitignore

@@ -125,4 +125,5 @@ in/
 repo/
 tmp/
 workspace/
-worker.json
+worker.json
+*.db

caa/run

@@ -0,0 +1,120 @@
+#!/usr/bin/env python
+
+import json
+import os
+import random
+import sqlite3
+import sys
+import traceback
+from io import BytesIO
+from pathlib import Path
+
+import PIL
+import requests
+from PIL import Image
+
+PIL.Image.MAX_IMAGE_PIXELS = 933120000
+current_mbid = ""
+
+
+def should_download(image: dict):
+    return image["front"] is True
+
+
+def thumb(cover_blob):
+    with Image.open(BytesIO(cover_blob)) as image:
+
+        # https://stackoverflow.com/questions/43978819
+        if image.mode == "I;16":
+            image.mode = "I"
+            image.point(lambda i: i * (1. / 256)).convert('L')
+
+        image.thumbnail((256, 256), Image.BICUBIC)
+        canvas = Image.new("RGB", image.size, 0x000000)
+
+        if image.mode in ('RGBA', 'LA') or (image.mode == 'P' and 'transparency' in image.info):
+            try:
+                canvas.paste(image, mask=image.split()[-1])
+            except ValueError:
+                canvas.paste(image)
+        else:
+            canvas.paste(image)
+
+        blob = BytesIO()
+        canvas.save(blob, "JPEG", quality=85, optimize=True)
+        canvas.close()
+
+    return blob.getvalue()
+
+
+def download(mbid):
+    global current_mbid
+    current_mbid = mbid
+    r = requests.get("https://archive.org/metadata/mbid-" + mbid)
+    meta = r.json()
+
+    if "files" not in meta or "workable_servers" not in meta or not meta["workable_servers"]:
+        return
+
+    directory = "https://" + random.choice(meta["workable_servers"]) + meta["dir"]
+    index = directory + "/index.json"
+
+    r = requests.get(index)
+    if r.status_code == 404:
+        mb_meta = meta
+        urls = [
+            directory + "/" + f["name"]
+            for f in meta["files"] if "thumb" not in f["name"] and
+                                      not f["name"].endswith((".xml", ".txt", ".json", ".torrent"))
+        ]
+    else:
+        mb_meta = r.json()
+
+        urls = [
+            directory + "/mbid-" + mbid + "-" + image["image"][image["image"].rfind("/") + 1:]
+            for image in mb_meta["images"] if should_download(image)
+        ]
+
+    if not urls:
+        return
+
+    cover = requests.get(urls[0]).content
+
+    if cover:
+        dbfile = "/mnt/Data7/caa_p2.db"
+        if not os.path.exists(dbfile):
+            with sqlite3.connect(dbfile, timeout=30000) as conn:
+                c = conn.cursor()
+                c.execute(
+                    "CREATE TABLE covers(id TEXT, cover BLOB, tn BLOB, meta TEXT, ts TEXT default CURRENT_TIMESTAMP)")
+
+        try:
+            tn = thumb(cover)
+        except:
+            tn = None
+
+        with sqlite3.connect(dbfile, timeout=30000) as conn:
+            c = conn.cursor()
+            c.execute("INSERT INTO covers (id, cover, tn, meta) VALUES (?,?,?,?)",
+                      (mbid, cover, tn, json.dumps(mb_meta),))
+
+
+try:
+    task_str = sys.argv[1]
+    task = json.loads(task_str)
+    mbids = json.loads(task["recipe"])
+    for mbid in mbids:
+        download(mbid)
+
+except Exception as e:
+    print(json.dumps({
+        "result": 1,
+        "logs": [
+            {"message": str(e) + "$$" + current_mbid + "$$" + traceback.format_exc(), "level": 3}
+        ]
+    }))
+    quit(2)
+
+print(json.dumps({
+    "result": 0,
+}))