Updated from global requirements

Change-Id: Ieac4354608ba0d60b51f782d15c5d94297ae63e7

requirements-py3.txt

@@ -1,12 +1,15 @@
+# The order of packages is significant, because pip processes them in the order
+# of appearance. Changing the order has an impact on the overall integration
+# process, which may cause wedges in the gate later.
 pbr>=0.6,!=0.7,<1.0
 Babel>=1.3
 stevedore>=1.1.0
 six>=1.7.0
-iso8601
+iso8601>=0.1.9
 kazoo>=1.3.1
 pymemcache>=1.2
 zake>=0.1.6
 msgpack-python>=0.4.0
 retrying>=1.2.3,!=1.3.0
-oslo.utils>=1.0.0
-redis
+oslo.utils>=1.2.0                       # Apache-2.0
+redis>=2.10.0

requirements.txt

@@ -1,3 +1,6 @@
+# The order of packages is significant, because pip processes them in the order
+# of appearance. Changing the order has an impact on the overall integration
+# process, which may cause wedges in the gate later.
 pbr>=0.6,!=0.7,<1.0
 Babel>=1.3
 stevedore>=1.1.0
@@ -5,9 +8,9 @@ six>=1.7.0
 iso8601>=0.1.9
 kazoo>=1.3.1
 pymemcache>=1.2
-zake>=0.1
+zake>=0.1.6 # Apache-2.0
 msgpack-python>=0.4.0
 retrying>=1.2.3,!=1.3.0
 futures>=2.1.6
-oslo.utils>=1.0.0
+oslo.utils>=1.2.0                       # Apache-2.0
 redis>=2.10.0

setup.py

@@ -15,9 +15,15 @@
 # limitations under the License.
 
 # THIS FILE IS MANAGED BY THE GLOBAL REQUIREMENTS REPO - DO NOT EDIT
-
 import setuptools
 
+# In python < 2.7.4, a lazy loading of package `pbr` will break
+# setuptools if some other modules registered functions in `atexit`.
+# solution from: http://bugs.python.org/issue15881#msg170215
+try:
+    import multiprocessing  # noqa
+except ImportError:
+    pass
 
 setuptools.setup(
     setup_requires=['pbr'],

test-requirements.txt

@@ -1,3 +1,6 @@
+# The order of packages is significant, because pip processes them in the order
+# of appearance. Changing the order has an impact on the overall integration
+# process, which may cause wedges in the gate later.
 pep8==1.5.7
 pyflakes==0.8.1
 flake8==2.2.4