show traceback if exception moving temp

chunkymap-regen.py

@@ -61,6 +61,11 @@ def RepresentsFloat(s):
     except ValueError:
         return False
 
+def view_traceback():
+    ex_type, ex, tb = sys.exc_info()
+    traceback.print_tb(tb)
+    del tb
+
 def get_dict_modified_by_conf_file(this_dict, path,assignment_operator="="):
     results = None
     #print ("Checking "+str(path)+" for settings...")
@@ -666,10 +671,10 @@ class MTChunks:
                 self.chunks[chunk_luid].load_yaml(yaml_path)
 
     def print_file(path, indent=""):
+        try:
             if os.path.isfile(path):
                 if indent is None:
                     indent = ""
-            try:
                     ins = open(path, 'r')
                     line = True
                     while line:
@@ -677,10 +682,10 @@ class MTChunks:
                         if line:
                             print(indent+line)
                     ins.close()
-            except:
-                print(indent+"print_file: could not finish")
             else:
                 print (indent+"print_file: missing path")
+        except:
+            print(indent+"print_file: could not finish")
         
     # normally call check_chunk instead, which renders chunk only if necessary
     def _render_chunk(self, x, z):
@@ -778,8 +783,10 @@ class MTChunks:
 
             except:
                 print (min_indent+"Could not finish deleting/moving output")
+                view_traceback()
         except:
             print(min_indent+"Could not finish deleting/moving temp files")
+            view_traceback()
 
 
         return result