Folio size reporting

foliator.py

@@ -88,11 +88,23 @@ def foliate_A6(input_pdf, strat_func, max_folio_size, append_to=PdfWriter()):
 
     folio_page_size = 0
     current_page = 0
+
+    print("Folio sizes, in order")
+    old_l     = L[0]
+    old_l_run = 0
     for l in L:
+        if l != old_l:
+          print(old_l, "a5 sheet(s), x", old_l_run)
+          old_l = l
+          old_l_run = 1
+        else:
+          old_l_run += 1
+
         # l is a number of _sheets_, each containing 4 pages
         folio_page_size = min(doc_length - current_page, 4*l)
         append_folio_A6(input_pdf, current_page, folio_page_size, append_to)
         current_page += folio_page_size
+    print(old_l, "a5 sheet(s), x", old_l_run)
 
     return writer
 
@@ -138,9 +150,15 @@ parser.add_argument("-a5", help="output as a5, reverse on short edge",
                     action="store_true")
 parser.add_argument("-fs", help="maximum folio size, in sheets",
                     action="store", default=-1, type=int)
+parser.add_argument("--strategy", help="greedy packing of pages into folios",
+                    action="store", default="balanced")
+
+stratnames_dict = {"balanced": find_partition_mink, "greedy": find_partition_greedy}
+
 args = parser.parse_args()
 
 input_pdf = PdfReader(args.infile)
+strategy = stratnames_dict[args.strategy]
 a5 = foliate_A6(input_pdf, find_partition_greedy, args.fs)
 if (args.a5):
     a5.write(args.outfile)