Correction of sort_proteins: allow '_' in the genome name

genomeAPCAT/utils.py

@@ -477,8 +477,8 @@ def sort_proteins(x):
             return x.split(".")[0], int(x.split(".")[2].split("_")[0]), int(x.split("_")[-1])
         # if format is not like this, it must be something_00001:
         # sort by 'something' and then 00001
-        return x.split("_")[0], int(x.split("_")[1])
-    except IndexError:
+        return "_".join(x.split("_")[:-1]), int(x.split("_")[-1])
+    except (IndexError, ValueError):
         logger = logging.getLogger("utils")
         logger.error(("ERROR: Protein {} does not have the required format. "
                       "It must contain, at least <alpha-num>_<num_only>, and at best "

test/data/persgenome/exp_files/exp_persgenome1.txt

+1 member_1 member_2 member_3
+3 member_1 member_10 member_100
+9 member_3 member_12 other_member_2