Add 'get_partition_walltime_infos' function

src/sluurp/utils.py

+from __future__ import annotations
+
 import subprocess
 import platform as _platform_mod
 from shutil import which
@@ -54,6 +56,30 @@ def get_partition_gpus(partition: str) -> tuple:
         return tuple()
 
 
+def get_partition_walltime_infos(partition: str) -> dict[str, str]:
+    """
+    Return for the given partition:
+    * time: walltime limit
+    * default_time: default walltime
+    """
+    process = SubProcessCommand(
+        command=f"sinfo --partition={partition} -O DefaultTime,Time"
+    )
+    try:
+        res = process.run()
+    except Exception:
+        return None, None
+
+    # treat output string
+    res = res.split("\n")
+    if len(res) < 1:
+        return None, None
+    else:
+        times = filter(lambda a: a, res[1].split(" "))
+        default_time, time = times
+        return default_time, time
+
+
 class SubProcessCommand:
     def __init__(self, command, platform="Linux"):
         if platform != _platform_mod.system():