Port to Python 3.

src/allmydata/mutable/filenode.py

@@ -1,3 +1,15 @@
+"""
+Ported to Python 3.
+"""
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
+from future.utils import PY2
+if PY2:
+    from future.builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, list, object, range, str, max, min  # noqa: F401
+
 import random
 
 from zope.interface import implementer
@@ -1141,7 +1153,7 @@ class MutableFileVersion(object):
         start_segments = {} # shnum -> start segment
         end_segments = {} # shnum -> end segment
         blockhashes = {} # shnum -> blockhash tree
-        for (shnum, original_data) in update_data.items():
+        for (shnum, original_data) in list(update_data.items()):
             data = [d[1] for d in original_data if d[0] == self._version]
             # data is [(blockhashes,start,end)..]
 

src/allmydata/util/_python3.py

@@ -55,6 +55,7 @@ PORTED_MODULES = [
     "allmydata.monitor",
     "allmydata.mutable.checker",
     "allmydata.mutable.common",
+    "allmydata.mutable.filenode",
     "allmydata.node",
     "allmydata.storage_client",
     "allmydata.storage.common",