Generate hashes script

GenerateHashes.py

@@ -0,0 +1,48 @@
+#!/usr/bin/env python3
+
+import hashlib
+import json
+import os
+import zipfile
+
+SOURCE_DIR  = os.path.dirname(os.path.abspath(__file__))
+OUTPUT_FILE = os.path.join(SOURCE_DIR, 'hashes.json')
+
+
+def md5_of_stream(stream, chunk: int = 65536) -> str:
+    h = hashlib.md5()
+    while True:
+        buf = stream.read(chunk)
+        if not buf:
+            break
+        h.update(buf)
+    return h.hexdigest()
+
+
+hashes: dict[str, str] = {}
+zips = sorted(f for f in os.listdir(SOURCE_DIR) if f.lower().endswith('.zip'))
+
+if not zips:
+    print('No .zip files found.')
+    raise SystemExit
+
+for zip_name in zips:
+    folder = os.path.splitext(zip_name)[0]
+    print(f'Now > {zip_name}...')
+
+    with zipfile.ZipFile(os.path.join(SOURCE_DIR, zip_name)) as zf:
+        for entry in zf.infolist():
+            if entry.filename.endswith('/'):
+                continue
+
+            path = entry.filename.replace('\\', '/')
+            if not path.startswith(f'{folder}/'):
+                path = f'{folder}/{path}'
+
+            with zf.open(entry) as stream:
+                hashes[path] = md5_of_stream(stream)
+
+with open(OUTPUT_FILE, 'w', encoding='utf-8') as f:
+    json.dump(hashes, f, indent=2, ensure_ascii=False)
+
+print(f'\nDone > hashes.json  ({len(hashes)} entries)')