Add slurm sinfo parser from file

src/glicid_spawner/slurm.py

@@ -6,6 +6,7 @@ import subprocess
 from dataclasses import dataclass, field
 from itertools import groupby
 from operator import attrgetter
+from pathlib import Path
 
 
 @dataclass
@@ -94,6 +95,12 @@ def sinfo_filter(resources: list, with_states=('idle', 'mixed')) -> dict:
     return {key: values for key, values in resources.items() if values}
 
 
+def sinfo_from_file(fname, with_states=('idle', 'mixed')) -> dict:
+    """SLURM SINFO resources available from a given file."""
+    content = Path(fname).read_text()
+    return sinfo_filter(sinfo_reader(content), with_states=with_states)
+
+
 def sinfo(username: str = None, with_states=('idle', 'mixed')) -> dict:
     """SLURM SINFO resources available for a given user."""
     return sinfo_filter(sinfo_reader(sinfo_run(username=username)), with_states=with_states)