[yoda-svn] yoda: Python 3 compatibility

[YODA Mercurial]

details:   https://yoda.hepforge.org/hg/yoda/rev/3a7d9de3976b
branches:  
changeset: 1428:3a7d9de3976b
user:      David Grellscheid <david.grellscheid at durham.ac.uk>
date:      Fri Nov 17 10:05:03 2017 +0000
description:
Python 3 compatibility

diffs (truncated from 274 to 50 lines):

--- a/bin/yodascale	Sun Oct 15 11:09:29 2017 +0100
+++ b/bin/yodascale	Fri Nov 17 10:05:03 2017 +0000
@@ -1,5 +1,5 @@
 #! /usr/bin/env python
-
+from __future__ import print_function
 """\
 Usage: %prog <yodafile1> [<yodafile2> ...] -r <yodareffile_or_dir> [-r ...]
 
@@ -131,20 +131,20 @@
 aos_ref = {}
 for r in reffiles:
     aos = yoda.read(r)
-    for aopath, ao in aos.iteritems():
+    for aopath, ao in aos.items():
         ## Use /REF_PREFIX/foo as a ref plot for /foo, if the ref prefix is set
         if opts.REF_PREFIX and aopath.startswith("/%s/" % opts.REF_PREFIX):
             aopath = aopath.replace("/%s/" % opts.REF_PREFIX, "/", 1) # NB. ao.path is unchanged
         aos_ref[aopath] = ao
 if opts.VERBOSITY > 1:
-    print "DEBUG: %d reference histos" % len(aos_ref)
+    print("DEBUG: %d reference histos" % len(aos_ref))
 
 
 ## Loop over input files for rescaling
 for infile in args:
     aos_out = {}
     aos_in = yoda.read(infile)
-    for aopath, ao in sorted(aos_in.iteritems()):
+    for aopath, ao in sorted(aos_in.items()):
 
         ## Default is to write out the unrescaled AO if no match is found
         aos_out[aopath] = ao
@@ -152,7 +152,7 @@
         ## Don't rescale /REF_PREFIX objects
         if aopath.startswith("/%s/" % opts.REF_PREFIX):
             if opts.VERBOSITY > 1:
-                print "DEBUG: not rescaling ref object '%s'" % aopath
+                print("DEBUG: not rescaling ref object '%s'" % aopath)
             continue
 
 
@@ -166,19 +166,19 @@
                 if s[1].path is not None:
                     refpaths = []
                     if s[1].path.pattern == "REF":
-                        if aos_ref.has_key(aopath):
+                        if aopath in aos_ref:
                             refpaths = [aopath]
                     else: