Port to Python 3.

src/allmydata/test/test_observer.py

@@ -1,3 +1,17 @@
+"""
+Tests for allmydata.util.observer.
+
+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 builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, int, list, object, range, str, max, min  # noqa: F401
 
 from twisted.trial import unittest
 from twisted.internet import defer, reactor

src/allmydata/util/_python3.py

@@ -22,6 +22,7 @@ PORTED_MODULES = [
     "allmydata.util.humanreadable",
     "allmydata.util.mathutil",
     "allmydata.util.namespace",
+    "allmydata.util.observer",
     "allmydata.util.pollmixin",
     "allmydata.util._python3",
 ]
@@ -31,6 +32,7 @@ PORTED_TEST_MODULES = [
     "allmydata.test.test_base62",
     "allmydata.test.test_deferredutil",
     "allmydata.test.test_humanreadable",
+    "allmydata.test.test_observer",
     "allmydata.test.test_python3",
 ]
 

src/allmydata/util/observer.py

@@ -1,4 +1,17 @@
-# -*- test-case-name: allmydata.test.test_observer -*-
+"""
+Observer for Twisted code.
+
+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 builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, int, list, object, range, str, max, min  # noqa: F401
 
 import weakref
 from twisted.internet import defer