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cmdlet/delete_url.py

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+from __future__ import annotations
+
+from typing import Any, Dict, Sequence
+import sys
+
+from . import register
+import pipeline as ctx
+from ._shared import Cmdlet, CmdletArg, SharedArgs, parse_cmdlet_args, get_field, normalize_hash
+from SYS.logger import log
+from Store import Store
+
+
+class Delete_Url(Cmdlet):
+    """Delete URL associations from files via hash+store."""
+    
+    NAME = "delete-url"
+    SUMMARY = "Remove a URL association from a file"
+    USAGE = "@1 | delete-url <url>"
+    ARGS = [
+        SharedArgs.HASH,
+        SharedArgs.STORE,
+        CmdletArg("url", required=True, description="URL to remove"),
+    ]
+    DETAIL = [
+        "- Removes URL association from file identified by hash+store",
+        "- Multiple url can be comma-separated",
+    ]
+    
+    def run(self, result: Any, args: Sequence[str], config: Dict[str, Any]) -> int:
+        """Delete URL from file via hash+store backend."""
+        parsed = parse_cmdlet_args(args, self)
+        
+        # Extract hash and store from result or args
+        file_hash = parsed.get("hash") or get_field(result, "hash")
+        store_name = parsed.get("store") or get_field(result, "store")
+        url_arg = parsed.get("url")
+        
+        if not file_hash:
+            log("Error: No file hash provided")
+            return 1
+            
+        if not store_name:
+            log("Error: No store name provided")
+            return 1
+            
+        if not url_arg:
+            log("Error: No URL provided")
+            return 1
+        
+        # Normalize hash
+        file_hash = normalize_hash(file_hash)
+        if not file_hash:
+            log("Error: Invalid hash format")
+            return 1
+        
+        # Parse url (comma-separated)
+        urls = [u.strip() for u in str(url_arg).split(',') if u.strip()]
+        if not urls:
+            log("Error: No valid url provided")
+            return 1
+        
+        # Get backend and delete url
+        try:
+            storage = Store(config)
+            backend = storage[store_name]
+
+            backend.delete_url(file_hash, urls)
+            for u in urls:
+                ctx.emit(f"Deleted URL: {u}")
+            
+            return 0
+            
+        except KeyError:
+            log(f"Error: Storage backend '{store_name}' not configured")
+            return 1
+        except Exception as exc:
+            log(f"Error deleting URL: {exc}", file=sys.stderr)
+            return 1
+
+
+# Register cmdlet
+register(["delete-url", "del-url", "delete_url"])(Delete_Url)