Humanized byte values in VDEV table

Prompt:

    In the VDEVs table make the read byes and write bytes show humanized (1K, 1M, 1G) values instead of bytes.

Author: sergiogarciadev

src/zfs_dashboard/ui/widgets.py

@@ -5,6 +5,7 @@
 from textual.message import Message
 
 from ..models import Pool, Vdev, Dataset
+from ..utils import humanize_bytes
 
 class PoolOverview(Static):
     pool = reactive(None)
@@ -84,8 +85,8 @@ def watch_vdevs(self, vdevs: list[Vdev]):
                 vdev.type,
                 str(vdev.read_ops),
                 str(vdev.write_ops),
-                str(vdev.read_bytes),
-                str(vdev.write_bytes)
+                humanize_bytes(vdev.read_bytes),
+                humanize_bytes(vdev.write_bytes)
             )
 
 class DatasetTreeWidget(Static):

src/zfs_dashboard/utils.py

@@ -0,0 +1,14 @@
+def humanize_bytes(value: float) -> str:
+    """
+    Convert a byte count into a human-readable string (e.g., 1K, 1M, 1G).
+    """
+    if value == 0:
+        return "0B"
+    
+    suffixes = ['B', 'K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y']
+    i = 0
+    while value >= 1024 and i < len(suffixes) - 1:
+        value /= 1024.0
+        i += 1
+        
+    return f"{value:.1f}{suffixes[i]}"