Fix the issue of raising the StopIteration

This issue caused the failure of tempest in Jekins.

Change-Id: Ib8f362b5a65e5e12fdeedd7e35620df5f52f4382

lower-constraints.txt

@@ -1,8 +1,8 @@
-alembic==0.8.10
+alembic==0.9.6
 autobahn==20.7.1
 Babel==2.3.4
 coverage==4.0
-cryptography==2.1
+cryptography==2.7
 ddt==1.0.1
 doc8==0.6.0
 dogpile.cache==1.0.2
@@ -51,7 +51,7 @@ requests==2.14.2
 requestsexceptions==1.2.0
 restructuredtext-lint==1.1.1
 rfc3986==0.3.1
-six==1.10.0
+six==1.11.0
 SQLAlchemy==1.3.19
 sqlalchemy-migrate==0.11.0
 stestr==2.0.0
@@ -61,7 +61,7 @@ testresources==2.0.0
 testscenarios==0.4
 testtools==2.2.0
 trollius==2.1;python_version=='2.7'
-txaio==2.8.2
+txaio==20.3.1
 urllib3==1.21.1
 WebOb==1.7.1
 websocket-client==0.44.0

requirements.txt

@@ -3,9 +3,9 @@
 # process, which may cause wedges in the gate later.
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 
-alembic>=0.8.10 # MIT
+alembic>=0.9.6 # MIT
 Babel!=2.4.0,>=2.3.4 # BSD
-cryptography>=2.1 # BSD/Apache-2.0
+cryptography>=2.7 # BSD/Apache-2.0
 falcon>=1.1.0 # Apache-2.0
 jsonschema>=3.2.0 # MIT
 iso8601>=0.1.11 # MIT
@@ -15,7 +15,7 @@ python-memcached>=1.56 # PSF
 python-swiftclient>=3.2.0 # Apache-2.0
 WebOb>=1.7.1 # MIT
 stevedore>=1.20.0 # Apache-2.0
-six>=1.10.0 # MIT
+six>=1.11.0 # MIT
 oslo.cache>=1.26.0 # Apache-2.0
 oslo.config>=5.2.0 # Apache-2.0
 oslo.context>=2.19.2 # Apache-2.0

test-requirements.txt

@@ -16,7 +16,7 @@ PyMySQL>=0.8.0 # MIT License
 
 # Unit testing
 coverage!=4.4,>=4.0 # Apache-2.0
-cryptography>=2.1 # BSD/Apache-2.0
+cryptography>=2.7 # BSD/Apache-2.0
 ddt>=1.0.1 # MIT
 doc8>=0.6.0 # Apache-2.0
 Pygments>=2.2.0 # BSD license

tox.ini

@@ -1,7 +1,10 @@
 [tox]
-minversion = 2.0
-envlist = py37,pep8
+minversion = 3.1.0
+envlist = py3,pep8
 skipsdist = True
+# this allows tox to infer the base python from the environment name
+# and override any basepython configured in this file
+ignore_basepython_conflict=true
 
 [testenv]
 basepython = python3
@@ -116,6 +119,5 @@ paths = ./zaqar/hacking
 
 [testenv:lower-constraints]
 deps =
-  -c{toxinidir}/lower-constraints.txt
   -r{toxinidir}/test-requirements.txt
   -r{toxinidir}/requirements.txt

zaqar/storage/swift/messages.py

@@ -216,7 +216,7 @@ class MessageController(storage.Message):
 
     def bulk_get(self, queue, message_ids, project=None):
         if not self._queue_ctrl.exists(queue, project):
-            raise StopIteration()
+            return
 
         for id in message_ids:
             try: