simplify main() code, missing directories are handled by called functions

src/mpsd_hpc_tools/quota.py

@@ -160,19 +160,15 @@ def main(argv=None):
     user = args.user
 
     # check user exists
-    homedir = pathlib.Path("/home") / user
-    if not homedir.is_dir():
-        sys.stderr.write(f"Home directory {str(homedir)} does not exist ({user=}).\n")
-        sys.exit(1)
     # print header
     print_quota_line("#location", "size", "used", "avail", "use", raw=True)
     # print home quota
+    homedir = pathlib.Path("/home") / user
     print_quota_line(homedir, *df_mountpoint(homedir), raw=args.bytes)
 
+    # print scratch quota
     scratchdir = pathlib.Path("/scratch") / user
-    # only proceed if user has a directory on /scratch
-    if scratchdir.is_dir():
-        print_quota_line(scratchdir, *df_ceph(scratchdir), raw=args.bytes)
+    print_quota_line(scratchdir, *df_ceph(scratchdir), raw=args.bytes)
 
 
 if __name__ == "__main__":