Add utility function bytes_to_human_size

Author: ValentinBuira

mergin/utils.py

@@ -275,3 +275,21 @@ def is_mergin_config(path: str) -> bool:
     """Check if the given path is for file mergin-config.json"""
     filename = os.path.basename(path).lower()
     return filename == "mergin-config.json"
+
+def bytes_to_human_size(bytes: int):
+    """
+    Convert bytes to human readable size 
+    example  : 
+    bytes_to_human_size(5600000) -> "5.3 MB"
+    """
+    precision = 1;
+    if ( bytes < 1e-5 ):
+        return "0.0 MB";
+    elif ( bytes < 1024.0 * 1024.0 ):
+        return f"{round( bytes / 1024.0, precision )} KB";
+    elif ( bytes < 1024.0 * 1024.0 * 1024.0 ):
+        return f"{round( bytes / 1024.0 / 1024.0, precision)} MB";
+    elif ( bytes < 1024.0 * 1024.0 * 1024.0 * 1024.0 ):
+        return f"{round( bytes / 1024.0 / 1024.0 / 1024.0, precision )} GB";
+    else:
+        return f"{round( bytes / 1024.0 / 1024.0 / 1024.0 / 1024.0, precision )} TB";