Python3: ModuleNotFoundError: No module named 'StringIO'

[Peter Suter]

Plugin fails to load with Python3:

	ModuleNotFoundError: No module named 'StringIO'

[Peter Suter]

weekplan/core.py

@@ -4 +4 @@
 from json.encoder import JSONEncoder
 import pkg_resources
 import re
-from StringIO import StringIO
+try:
+    from StringIO import StringIO # Python 2
+except ImportError:
+    from io import StringIO # Python 3
+
 
 from trac import __version__
 from trac.db.api import DatabaseManager

weekplan/macro.py

@@ -1 +1 @@
 # -*- coding: utf-8 -*-
 
+from __future__ import division
+
 import datetime
 import math
-
+from functools import reduce
 
 from trac.core import *
 from trac.util.datefmt import parse_date, utc
@@ -47 +49 @@
             raise TracError('Missing plan id')
 
         colors = kw.get('color', '#38A|#4B6|#DA8|#9CD|#CAD|#CC7').split('|')
-        colors = dict(zip(plan_ids, colors*((len(plan_ids)-1)/len(colors)+1)))
+        colors = dict(zip(plan_ids, colors*((len(plan_ids)-1)//len(colors)+1)))
 
         labels = [label for label in kw.get('label', '').split('|') if label]
         labels = dict(zip(plan_ids, labels + plan_ids[len(labels):]))

[lucid]

In 17664:

WeekPlanPlugin: Python3 compatibility.
(fix #13736)