allow to edit files

my_modules/file_meta.py

@@ -0,0 +1,27 @@
+from datetime import datetime, timezone
+
+def iso_stamp_filename(prefix: str, ext: str) -> str:
+  """Generate timestamped filename, e.g. pasted-2025-10-23T121212Z.png"""
+  ts = datetime.now(timezone.utc).isoformat()
+  ts = ts.replace(":", "").split(".")[0]
+  if ts.endswith("+00:00"):
+    ts = ts.replace("+00:00", "Z")
+  return f"{prefix}-{ts}.{ext}"
+
+def format_size(num_bytes: int) -> str:
+  """Return a human-readable file size (e.g., '2.3 MB', '10 Bytes')."""
+  if num_bytes < 1024:
+    return f"{num_bytes} Byte{'s' if num_bytes != 1 else ''}"
+
+  units = ["KB", "MB", "GB", "TB", "PB", "EB"]
+  size = float(num_bytes)
+  for unit in units:
+    size /= 1024.0
+    if size < 1024.0 or unit == units[-1]:
+      # 1 decimal place; drop trailing .0 (optional)
+      val = f"{size:.1f}"
+      if val.endswith(".0"):
+        val = val[:-2]
+      return f"{val} {unit}"
+  return f"{num_bytes} Bytes"  # fallback
+