Add time in seconds convert to human readable format

src/corelibs/string_handling/timestamp_strings.py

@@ -110,3 +110,57 @@ def convert_to_seconds(time_string: str | int | float) -> int:
         seen_units.append(unit)
 
     return total_seconds
+
+
+def seconds_to_string(seconds: str | int | float, show_microseconds: bool = False) -> str:
+    """
+    Convert seconds to compact human readable format (e.g., "1d 2h 3m 4.567s")
+    Supports negative values with "-" prefix
+
+    Args:
+        seconds (float): Time in seconds (can be negative)
+        show_microseconds (bool): Whether to show microseconds precision
+
+    Returns:
+        str: Compact human readable time format
+    """
+    # if not int or float, return as is
+    if not isinstance(seconds, (int, float)):
+        return seconds
+    # Handle negative values
+    negative = seconds < 0
+    seconds = abs(seconds)
+
+    whole_seconds = int(seconds)
+    fractional = seconds - whole_seconds
+
+    days = whole_seconds // 86400
+    hours = (whole_seconds % 86400) // 3600
+    minutes = (whole_seconds % 3600) // 60
+    secs = whole_seconds % 60
+
+    parts: list[str] = []
+    if days > 0:
+        parts.append(f"{days}d")
+    if hours > 0:
+        parts.append(f"{hours}h")
+    if minutes > 0:
+        parts.append(f"{minutes}m")
+
+    # Handle seconds with fractional part
+    if fractional > 0:
+        if show_microseconds:
+            total_seconds = secs + fractional
+            formatted = f"{total_seconds:.6f}".rstrip('0').rstrip('.')
+            parts.append(f"{formatted}s")
+        else:
+            total_seconds = secs + fractional
+            formatted = f"{total_seconds:.3f}".rstrip('0').rstrip('.')
+            parts.append(f"{formatted}s")
+    elif secs > 0 or not parts:
+        parts.append(f"{secs}s")
+
+    result = " ".join(parts)
+    return f"-{result}" if negative else result
+
+# __END__