add pep8 check

Change-Id: Ia198017767f5f2144873a082bf0f5b00ff01db1c
Issue-Id: MULTICLOUD-64
Signed-off-by: Bin Sun <bins@vmware.com>

16 files changed, 154 insertions, 105 deletions

diff --git a/multivimbroker/multivimbroker/forwarder/base.py b/multivimbroker/multivimbroker/forwarder/base.py
index 8f70c8b..c96461a 100644
--- a/multivimbroker/multivimbroker/forwarder/base.py
+++ b/multivimbroker/multivimbroker/forwarder/base.py
@@ -23,9 +23,10 @@ from multivimbroker.pub.utils.restcall import req_by_msb
 
 logger = logging.getLogger(__name__)
 
+
 class BaseHandler(object):
 
-    def _request(self,route_uri,method,body="",headers=None):
+    def _request(self, route_uri, method, body="", headers=None):
 
         try:
             retcode, content, status_code, resp = \
@@ -48,18 +49,17 @@ class BaseHandler(object):
             response[k] = resp[k]
         return response
 
+    def send(self, vimid, full_path, body, method, headers=None):
 
-    def send(self,vimid,full_path,body,method,headers=None):
-
-            try:
-                url = getMultivimDriver(vimid,full_path=full_path)
-
-            except exceptions.VimBrokerException as e:
-                logging.exception("vimbroker exception: %s"%e)
-                return HttpResponse(e.content,status=e.status_code)
-            except Exception as e:
-                logging.exception("unkown exception: %s" %e)
-                return HttpResponse(str(e),status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+        try:
+            url = getMultivimDriver(vimid, full_path=full_path)
 
-            return  self._request(url,method,body=body,headers=headers)
+        except exceptions.VimBrokerException as e:
+            logging.exception("vimbroker exception: %s" % e)
+            return HttpResponse(e.content, status=e.status_code)
+        except Exception as e:
+            logging.exception("unkown exception: %s" % e)
+            return HttpResponse(str(e),
+                                status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 
+        return self._request(url, method, body=body, headers=headers)
diff --git a/multivimbroker/multivimbroker/forwarder/urls.py b/multivimbroker/multivimbroker/forwarder/urls.py
index b63c4af..2caa219 100644
--- a/multivimbroker/multivimbroker/forwarder/urls.py
+++ b/multivimbroker/multivimbroker/forwarder/urls.py
@@ -20,9 +20,12 @@ from multivimbroker.forwarder.views import Identity
 
 
 urlpatterns = [
-    url(r'^api/multicloud/v0/(?P<vimid>[0-9a-zA-Z_-]+)/identity/v3$',Identity.as_view()),
-    url(r'^api/multicloud/v0/(?P<vimid>[0-9a-zA-Z_-]+)/identity/v3/auth/tokens$',Identity.as_view()),
-    url(r'^api/multicloud/v0/(?P<vimid>[0-9a-zA-Z_-]+)', Forward.as_view()),
+    url(r'^api/multicloud/v0/(?P<vimid>[0-9a-zA-Z_-]+)/identity/v3$',
+        Identity.as_view()),
+    url(r'^api/multicloud/v0/(?P<vimid>[0-9a-zA-Z_-]+)/\
+        identity/v3/auth/tokens$', Identity.as_view()),
+    url(r'^api/multicloud/v0/(?P<vimid>[0-9a-zA-Z_-]+)',
+        Forward.as_view()),
 ]
 
 urlpatterns = format_suffix_patterns(urlpatterns)
diff --git a/multivimbroker/multivimbroker/forwarder/views.py b/multivimbroker/multivimbroker/forwarder/views.py
index 82759e5..ed67977 100644
--- a/multivimbroker/multivimbroker/forwarder/views.py
+++ b/multivimbroker/multivimbroker/forwarder/views.py
@@ -12,68 +12,72 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from rest_framework.views import  APIView
+from rest_framework.views import APIView
 from multivimbroker.forwarder.base import BaseHandler
 
 #
-class BaseServer(BaseHandler,APIView):
 
 
-    def get(self,request,vimid):
+class BaseServer(BaseHandler, APIView):
+
+    def get(self, request, vimid):
         raise NotImplementedError()
 
-    def post(self,request,vimid):
+    def post(self, request, vimid):
         raise NotImplementedError()
 
-    def put(self,request,vimid):
+    def put(self, request, vimid):
         raise NotImplementedError()
 
-    def delete(self,request,vimid):
+    def delete(self, request, vimid):
         raise NotImplementedError()
 
-    def head(self,request,vimid):
+    def head(self, request, vimid):
         raise NotImplementedError()
 
-    def patch(self,request,vimid):
+    def patch(self, request, vimid):
         raise NotImplementedError()
 
 
 #  vio proxy handler
 class Identity(BaseServer):
 
-    def get(self,request,vimid):
+    def get(self, request, vimid):
 
-        return self.send(vimid,request.get_full_path(),request.body,"GET")
+        return self.send(vimid, request.get_full_path(), request.body, "GET")
 
-    def post(self,request,vimid):
+    def post(self, request, vimid):
 
-        return self.send(vimid,request.get_full_path(),request.body,"POST")
+        return self.send(vimid, request.get_full_path(), request.body, "POST")
 
 
 # forward  handler
 class Forward(BaseServer):
 
-    def get(self,request,vimid):
-
-        return self.send(vimid,request.get_full_path(),request.body,"GET")
+    def get(self, request, vimid):
 
-    def post(self,request,vimid):
+        return self.send(vimid, request.get_full_path(), request.body, "GET")
 
-        return self.send(vimid,request.get_full_path(),request.body,"POST",headers=None)
+    def post(self, request, vimid):
 
-    def patch(self,request,vimid):
+        return self.send(vimid, request.get_full_path(), request.body, "POST",
+                         headers=None)
 
-        return self.send(vimid,request.get_full_path(),request.body,"PATCH",headers=None)
+    def patch(self, request, vimid):
 
-    def delete(self,request,vimid):
+        return self.send(vimid, request.get_full_path(), request.body, "PATCH",
+                         headers=None)
 
-        return self.send(vimid,request.get_full_path(),request.body,"DELETE",headers=None)
+    def delete(self, request, vimid):
 
-    def head(self,request,vimid):
+        return self.send(vimid, request.get_full_path(), request.body,
+                         "DELETE", headers=None)
 
-        return self.send(vimid,request.get_full_path(),request.body,"HEAD")
+    def head(self, request, vimid):
 
-    def put(self,request,vimid):
+        return self.send(vimid, request.get_full_path(), request.body, "HEAD")
 
-        return self.send(vimid,request.get_full_path(),request.body,"PUT",headers=None)
+    def put(self, request, vimid):
 
+        return self.send(vimid, request.get_full_path(), request.body, "PUT",
+                         headers=None)
diff --git a/multivimbroker/multivimbroker/pub/database/models.py b/multivimbroker/multivimbroker/pub/database/models.py
index 0a23fc4..b30efb4 100644
--- a/multivimbroker/multivimbroker/pub/database/models.py
+++ b/multivimbroker/multivimbroker/pub/database/models.py
@@ -11,10 +11,12 @@
 
 from django.db import models
 
+
 class VimInstModel(models.Model):
     class Meta:
         db_table = 'vim_inst_type_mapping'
 
-    vimid = models.CharField(db_column='VIMID', primary_key=True, max_length=200)
+    vimid = models.CharField(
+        db_column='VIMID', primary_key=True, max_length=200)
     vimtype = models.CharField(db_column="VIMTYPE", max_length=200)
     viminst_url = models.CharField(db_column="VIMINSTURL", max_length=200)
diff --git a/multivimbroker/multivimbroker/pub/exceptions.py b/multivimbroker/multivimbroker/pub/exceptions.py
index d2b2c80..6553702 100644
--- a/multivimbroker/multivimbroker/pub/exceptions.py
+++ b/multivimbroker/multivimbroker/pub/exceptions.py
@@ -10,7 +10,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 
 
-
 class BaseException(Exception):
 
     message = "Exception"
@@ -21,13 +20,12 @@ class BaseException(Exception):
         self.status_code = status_code
         self.content = content
 
+
 class VimBrokerException(BaseException):
 
-        message = "vim error"
+    message = "vim error"
 
 
 class NotFound(BaseException):
 
-        message = "not found error"
-
-
+    message = "not found error"
diff --git a/multivimbroker/multivimbroker/pub/msapi/extsys.py b/multivimbroker/multivimbroker/pub/msapi/extsys.py
index 1baa08a..75959a4 100644
--- a/multivimbroker/multivimbroker/pub/msapi/extsys.py
+++ b/multivimbroker/multivimbroker/pub/msapi/extsys.py
@@ -23,7 +23,8 @@ def get_vims():
     ret = req_by_msb(ESR_GET_VIM_URI, "GET")
     if ret[0] != 0:
         logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
-        raise VimBrokerException(status_code=404 ,content="Failed to query VIMs from extsys.")
+        raise VimBrokerException(
+            status_code=404, content="Failed to query VIMs from extsys.")
     return json.JSONDecoder().decode(ret[1])
 
 
@@ -31,6 +32,7 @@ def get_vim_by_id(vim_id):
     ret = req_by_msb("%s/%s" % (ESR_GET_VIM_URI, vim_id), "GET")
     if ret[0] != 0:
         logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
-        raise VimBrokerException(status_code=404,content=
-            "Failed to query VIM with id (%s) from extsys." % vim_id)
+        raise VimBrokerException(
+            status_code=404,
+            content="Failed to query VIM with id (%s) from extsys." % vim_id)
     return json.JSONDecoder().decode(ret[1])
diff --git a/multivimbroker/multivimbroker/pub/utils/restcall.py b/multivimbroker/multivimbroker/pub/utils/restcall.py
index dc0b822..b25b389 100644
--- a/multivimbroker/multivimbroker/pub/utils/restcall.py
+++ b/multivimbroker/multivimbroker/pub/utils/restcall.py
@@ -20,39 +20,49 @@ import httplib2
 from multivimbroker.pub.config.config import MSB_SERVICE_IP, MSB_SERVICE_PORT
 
 rest_no_auth, rest_oneway_auth, rest_bothway_auth = 0, 1, 2
-HTTP_200_OK, HTTP_201_CREATED, HTTP_204_NO_CONTENT, HTTP_202_ACCEPTED = '200', '201', '204', '202'
-status_ok_list = [HTTP_200_OK, HTTP_201_CREATED, HTTP_204_NO_CONTENT, HTTP_202_ACCEPTED]
-HTTP_404_NOTFOUND, HTTP_403_FORBIDDEN, HTTP_401_UNAUTHORIZED, HTTP_400_BADREQUEST = '404', '403', '401', '400'
+HTTP_200_OK, HTTP_201_CREATED = '200', '201'
+HTTP_204_NO_CONTENT, HTTP_202_ACCEPTED = '204', '202'
+status_ok_list = [HTTP_200_OK, HTTP_201_CREATED,
+                  HTTP_204_NO_CONTENT, HTTP_202_ACCEPTED]
+HTTP_404_NOTFOUND, HTTP_403_FORBIDDEN = '404', '403'
+HTTP_401_UNAUTHORIZED, HTTP_400_BADREQUEST = '401', '400'
 
 logger = logging.getLogger(__name__)
 
 
-def call_req(base_url, user, passwd, auth_type, resource, method, content='',headers=None):
+def call_req(base_url, user, passwd, auth_type, resource, method,
+             content='', headers=None):
     callid = str(uuid.uuid1())
 #    logger.debug("[%s]call_req('%s','%s','%s',%s,'%s','%s','%s')" % (
-#        callid, base_url, user, passwd, auth_type, resource, method, content))
+#    callid, base_url, user, passwd, auth_type, resource, method, content))
     ret = None
     resp_status = ''
     resp = ""
     full_url = ""
 
-
     try:
         full_url = combine_url(base_url, resource)
-        if headers == None:
+        if headers is None:
             headers = {}
-            headers['content-type']='application/json'
+            headers['content-type'] = 'application/json'
 
         if user:
-            headers['Authorization'] = 'Basic ' + ('%s:%s' % (user, passwd)).encode("base64")
+            headers['Authorization'] = 'Basic ' + \
+                ('%s:%s' % (user, passwd)).encode("base64")
         ca_certs = None
         for retry_times in range(3):
-            http = httplib2.Http(ca_certs=ca_certs, disable_ssl_certificate_validation=(auth_type == rest_no_auth))
+            http = httplib2.Http(
+                ca_certs=ca_certs,
+                disable_ssl_certificate_validation=(
+                    auth_type == rest_no_auth))
             http.follow_all_redirects = True
             try:
                 logger.debug("request=%s)" % full_url)
-                resp, resp_content = http.request(full_url, method=method.upper(), body=content, headers=headers)
-                resp_status, resp_body = resp['status'], resp_content.decode('UTF-8')
+                resp, resp_content = http.request(
+                    full_url, method=method.upper(),
+                    body=content, headers=headers)
+                resp_status, resp_body = resp['status'], resp_content.decode(
+                    'UTF-8')
 
                 if resp_status in status_ok_list:
                     ret = [0, resp_body, resp_status, resp]
@@ -62,7 +72,8 @@ def call_req(base_url, user, passwd, auth_type, resource, method, content='',hea
             except Exception as ex:
                 if 'httplib.ResponseNotReady' in str(sys.exc_info()):
                     logger.error(traceback.format_exc())
-                    ret = [1, "Unable to connect to %s" % full_url, resp_status, resp]
+                    ret = [1, "Unable to connect to %s" %
+                           full_url, resp_status, resp]
                     continue
                 raise ex
     except urllib2.URLError as err:
@@ -72,7 +83,8 @@ def call_req(base_url, user, passwd, auth_type, resource, method, content='',hea
         logger.error("[%s]ret=%s" % (callid, str(sys.exc_info())))
         res_info = str(sys.exc_info())
         if 'httplib.ResponseNotReady' in res_info:
-            res_info = "The URL[%s] request failed or is not responding." % full_url
+            res_info = "The URL[%s] request \
+            failed or is not responding." % full_url
         ret = [3, res_info, resp_status, resp]
     except:
         logger.error(traceback.format_exc())
@@ -82,9 +94,10 @@ def call_req(base_url, user, passwd, auth_type, resource, method, content='',hea
     return ret
 
 
-def req_by_msb(resource, method, content='',headers=None):
+def req_by_msb(resource, method, content='', headers=None):
     base_url = "http://%s:%s/" % (MSB_SERVICE_IP, MSB_SERVICE_PORT)
-    return call_req(base_url, "", "", rest_no_auth, resource, method, content,headers)
+    return call_req(base_url, "", "",
+                    rest_no_auth, resource, method, content, headers)
 
 
 def combine_url(base_url, resource):
diff --git a/multivimbroker/multivimbroker/pub/utils/share_lock.py b/multivimbroker/multivimbroker/pub/utils/share_lock.py
index b594c68..c79f685 100755
--- a/multivimbroker/multivimbroker/pub/utils/share_lock.py
+++ b/multivimbroker/multivimbroker/pub/utils/share_lock.py
@@ -15,21 +15,26 @@ import time
 
 import redis
 
-from multivimbroker.pub.config.config import REDIS_HOST, REDIS_PORT, REDIS_PASSWD
+from multivimbroker.pub.config.config import REDIS_HOST
+from multivimbroker.pub.config.config import REDIS_PORT
+from multivimbroker.pub.config.config import REDIS_PASSWD
 
 
 class SharedLock:
-    def __init__(self, lock_key, host=REDIS_HOST, port=REDIS_PORT, password=REDIS_PASSWD, db=9, lock_timeout=5 * 60):
+    def __init__(self, lock_key, host=REDIS_HOST, port=REDIS_PORT,
+                 password=REDIS_PASSWD, db=9, lock_timeout=5 * 60):
         self.lock_key = lock_key
         self.lock_timeout = lock_timeout
-        self.redis = redis.Redis(host=host, port=port, db=db, password=password)
+        self.redis = redis.Redis(host=host, port=port,
+                                 db=db, password=password)
         self.acquire_time = -1
 
     def acquire(self):
         begin = now = int(time.time())
         while (now - begin) < self.lock_timeout:
 
-            result = self.redis.setnx(self.lock_key, now + self.lock_timeout + 1)
+            result = self.redis.setnx(self.lock_key, now +
+                                      self.lock_timeout + 1)
             if result == 1 or result is True:
                 self.acquire_time = now
                 return True
@@ -42,7 +47,8 @@ class SharedLock:
             current_lock_timestamp = int(current_lock_timestamp)
 
             if now > current_lock_timestamp:
-                next_lock_timestamp = self.redis.getset(self.lock_key, now + self.lock_timeout + 1)
+                next_lock_timestamp = self.redis.getset(self.lock_key, now +
+                                                        self.lock_timeout + 1)
                 if not next_lock_timestamp:
                     time.sleep(1)
                     continue
diff --git a/multivimbroker/multivimbroker/pub/utils/syscomm.py b/multivimbroker/multivimbroker/pub/utils/syscomm.py
index 07606bf..0d0419a 100644
--- a/multivimbroker/multivimbroker/pub/utils/syscomm.py
+++ b/multivimbroker/multivimbroker/pub/utils/syscomm.py
@@ -12,23 +12,27 @@
 import inspect
 import re
 
-import multivimbroker.pub.exceptions as  exceptions
+import multivimbroker.pub.exceptions as exceptions
 from multivimbroker.pub.msapi.extsys import get_vim_by_id
+
+
 def fun_name():
     return inspect.stack()[1][3]
 
 
+# Which headers are hop-by-hop headers by default
+HOP_BY_HOP = ['connection', 'keep-alive', 'proxy-authenticate',
+              'proxy-authorization', 'te', 'trailers',
+              'transfer-encoding', 'upgrade']
 
 
-# Which headers are hop-by-hop headers by default
-HOP_BY_HOP = ['connection', 'keep-alive', 'proxy-authenticate', 'proxy-authorization', 'te', 'trailers', 'transfer-encoding', 'upgrade']
 def getHeadersKeys(response):
     hopbyhop = HOP_BY_HOP
-    hopbyhop.extend([x.strip() for x in response.get('connection', '').split(',')])
+    hopbyhop.extend([x.strip()
+                     for x in response.get('connection', '').split(',')])
     return [header for header in response.keys() if header not in hopbyhop]
 
 
-
 def findMultivimDriver(vim=None):
 
     if vim and vim["type"] == "openstack":
@@ -42,12 +46,11 @@ def findMultivimDriver(vim=None):
     elif vim and vim["type"] == "vmware":
         multivimdriver = "multivim-vio"
     else:
-        raise  exceptions.NotFound("Not support VIM type")
-    return  multivimdriver
-
+        raise exceptions.NotFound("Not support VIM type")
+    return multivimdriver
 
 
-def  getMultivimDriver(vimid,full_path=""):
+def getMultivimDriver(vimid, full_path=""):
 
     multivim = "multivim"
     vim = get_vim_by_id(vimid)
diff --git a/multivimbroker/multivimbroker/pub/utils/values.py b/multivimbroker/multivimbroker/pub/utils/values.py
index a5b5e3a..440ad07 100644
--- a/multivimbroker/multivimbroker/pub/utils/values.py
+++ b/multivimbroker/multivimbroker/pub/utils/values.py
@@ -19,4 +19,3 @@ def ignore_case_get(args, key, def_val=""):
         if old_key.upper() == key.upper():
             return args[old_key]
     return def_val
-
diff --git a/multivimbroker/multivimbroker/samples/tests.py b/multivimbroker/multivimbroker/samples/tests.py
index 50b571a..25850c9 100644
--- a/multivimbroker/multivimbroker/samples/tests.py
+++ b/multivimbroker/multivimbroker/samples/tests.py
@@ -24,6 +24,7 @@ class SampleViewTest(unittest.TestCase):
 
     def test_sample(self):
         response = self.client.get("/samples/")
-        self.assertEqual(status.HTTP_200_OK, response.status_code, response.content)
+        self.assertEqual(status.HTTP_200_OK,
+                         response.status_code, response.content)
         resp_data = json.loads(response.content)
         self.assertEqual({"status": "active"}, resp_data)
diff --git a/multivimbroker/multivimbroker/settings.py b/multivimbroker/multivimbroker/settings.py
index 2cff49b..faea32d 100644
--- a/multivimbroker/multivimbroker/settings.py
+++ b/multivimbroker/multivimbroker/settings.py
@@ -73,7 +73,8 @@ DATABASES = {
     }
 }
 
-# CACHE_BACKEND = 'redis_cache.cache://%s@%s:%s' % (REDIS_PASSWD, REDIS_HOST, REDIS_PORT)
+# CACHE_BACKEND = 'redis_cache.cache://%s@%s:%s' %
+# (REDIS_PASSWD, REDIS_HOST, REDIS_PORT)
 
 TIME_ZONE = 'UTC'
 
@@ -87,7 +88,8 @@ LOGGING = {
     'disable_existing_loggers': True,
     'formatters': {
         'standard': {
-            'format': '%(asctime)s:[%(name)s]:[%(filename)s]-[%(lineno)d] [%(levelname)s]:%(message)s',
+            'format': '%(asctime)s:[%(name)s]:[%(filename)s]-[%(lineno)d] \
+            [%(levelname)s]:%(message)s',
         },
     },
     'filters': {
@@ -96,7 +98,8 @@ LOGGING = {
         'multivimbroker_handler': {
             'level': 'DEBUG',
             'class': 'logging.handlers.RotatingFileHandler',
-            'filename': os.path.join(BASE_DIR, 'logs/runtime_multivimbroker.log'),
+            'filename': os.path.join(BASE_DIR,
+                                     'logs/runtime_multivimbroker.log'),
             'formatter': 'standard',
             'maxBytes': 1024 * 1024 * 50,
             'backupCount': 5,
diff --git a/multivimbroker/multivimbroker/swagger/tests.py b/multivimbroker/multivimbroker/swagger/tests.py
index f8147ec..25634ff 100644
--- a/multivimbroker/multivimbroker/swagger/tests.py
+++ b/multivimbroker/multivimbroker/swagger/tests.py
@@ -10,7 +10,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 
 import unittest
-import json
+# import json
 from django.test import Client
 from rest_framework import status
 
@@ -24,6 +24,7 @@ class SampleViewTest(unittest.TestCase):
 
     def test_sample(self):
         response = self.client.get("/api/multicloud/v0/swagger.json")
-        self.assertEqual(status.HTTP_200_OK, response.status_code, response.content)
+        self.assertEqual(status.HTTP_200_OK,
+                         response.status_code, response.content)
 #        resp_data = json.loads(response.content)
 #        self.assertEqual({"status": "active"}, resp_data)
diff --git a/multivimbroker/multivimbroker/swagger/urls.py b/multivimbroker/multivimbroker/swagger/urls.py
index d1af883..ae0b4ae 100644
--- a/multivimbroker/multivimbroker/swagger/urls.py
+++ b/multivimbroker/multivimbroker/swagger/urls.py
@@ -9,10 +9,10 @@
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 
-from django.conf.urls import patterns, url
+from django.conf.urls import url
 from rest_framework.urlpatterns import format_suffix_patterns
 
-from multivimbroker.swagger import views
+# from multivimbroker.swagger import views
 from multivimbroker.swagger.views import SwaggerJsonView
 
 urlpatterns = [
diff --git a/multivimbroker/multivimbroker/swagger/views.py b/multivimbroker/multivimbroker/swagger/views.py
index 5fcfb53..168259e 100644
--- a/multivimbroker/multivimbroker/swagger/views.py
+++ b/multivimbroker/multivimbroker/swagger/views.py
@@ -12,83 +12,93 @@
 import json
 import logging
 import os
-import traceback
+# import traceback
 
-from rest_framework import status
+# from rest_framework import status
 from rest_framework.response import Response
 from rest_framework.views import APIView
 
-from multivimbroker.pub.exceptions import VimBrokerException
+# from multivimbroker.pub.exceptions import VimBrokerException
 
 logger = logging.getLogger(__name__)
 
 
 class SwaggerJsonView(APIView):
     def get(self, request):
-        json_file = os.path.join(os.path.dirname(__file__), 'multivim.flavor.swagger.json')
+        json_file = os.path.join(os.path.dirname(__file__),
+                                 'multivim.flavor.swagger.json')
         f = open(json_file)
         json_data = json.JSONDecoder().decode(f.read())
         f.close()
-        json_file = os.path.join(os.path.dirname(__file__), 'multivim.image.swagger.json')
+        json_file = os.path.join(os.path.dirname(__file__),
+                                 'multivim.image.swagger.json')
         f = open(json_file)
         json_data_temp = json.JSONDecoder().decode(f.read())
         f.close()
         json_data["paths"].update(json_data_temp["paths"])
         json_data["definitions"].update(json_data_temp["definitions"])
-        json_file = os.path.join(os.path.dirname(__file__), 'multivim.network.swagger.json')
+        json_file = os.path.join(os.path.dirname(__file__),
+                                 'multivim.network.swagger.json')
         f = open(json_file)
         json_data_temp = json.JSONDecoder().decode(f.read())
         f.close()
         json_data["paths"].update(json_data_temp["paths"])
         json_data["definitions"].update(json_data_temp["definitions"])
-        json_file = os.path.join(os.path.dirname(__file__), 'multivim.subnet.swagger.json')
+        json_file = os.path.join(os.path.dirname(__file__),
+                                 'multivim.subnet.swagger.json')
         f = open(json_file)
         json_data_temp = json.JSONDecoder().decode(f.read())
         f.close()
         json_data["paths"].update(json_data_temp["paths"])
         json_data["definitions"].update(json_data_temp["definitions"])
-        json_file = os.path.join(os.path.dirname(__file__), 'multivim.server.swagger.json')
+        json_file = os.path.join(os.path.dirname(__file__),
+                                 'multivim.server.swagger.json')
         f = open(json_file)
         json_data_temp = json.JSONDecoder().decode(f.read())
         f.close()
         json_data["paths"].update(json_data_temp["paths"])
         json_data["definitions"].update(json_data_temp["definitions"])
-        json_file = os.path.join(os.path.dirname(__file__), 'multivim.volume.swagger.json')
+        json_file = os.path.join(os.path.dirname(__file__),
+                                 'multivim.volume.swagger.json')
         f = open(json_file)
         json_data_temp = json.JSONDecoder().decode(f.read())
         f.close()
         json_data["paths"].update(json_data_temp["paths"])
         json_data["definitions"].update(json_data_temp["definitions"])
-        json_file = os.path.join(os.path.dirname(__file__), 'multivim.vport.swagger.json')
+        json_file = os.path.join(os.path.dirname(__file__),
+                                 'multivim.vport.swagger.json')
         f = open(json_file)
         json_data_temp = json.JSONDecoder().decode(f.read())
         f.close()
         json_data["paths"].update(json_data_temp["paths"])
         json_data["definitions"].update(json_data_temp["definitions"])
-        json_file = os.path.join(os.path.dirname(__file__), 'multivim.tenant.swagger.json')
+        json_file = os.path.join(os.path.dirname(__file__),
+                                 'multivim.tenant.swagger.json')
         f = open(json_file)
         json_data_temp = json.JSONDecoder().decode(f.read())
         f.close()
         json_data["paths"].update(json_data_temp["paths"])
         json_data["definitions"].update(json_data_temp["definitions"])
-        json_file = os.path.join(os.path.dirname(__file__), 'multivim.host.swagger.json')
+        json_file = os.path.join(os.path.dirname(__file__),
+                                 'multivim.host.swagger.json')
         f = open(json_file)
         json_data_temp = json.JSONDecoder().decode(f.read())
         f.close()
         json_data["paths"].update(json_data_temp["paths"])
         json_data["definitions"].update(json_data_temp["definitions"])
-        json_file = os.path.join(os.path.dirname(__file__), 'multivim.limit.swagger.json')
+        json_file = os.path.join(os.path.dirname(__file__),
+                                 'multivim.limit.swagger.json')
         f = open(json_file)
         json_data_temp = json.JSONDecoder().decode(f.read())
         f.close()
         json_data["paths"].update(json_data_temp["paths"])
         json_data["definitions"].update(json_data_temp["definitions"])
         #
-        json_file = os.path.join(os.path.dirname(__file__), 'multivim.identity.swagger.json')
+        json_file = os.path.join(os.path.dirname(__file__),
+                                 'multivim.identity.swagger.json')
         f = open(json_file)
         json_data_temp = json.JSONDecoder().decode(f.read())
         f.close()
         json_data["paths"].update(json_data_temp["paths"])
         json_data["definitions"].update(json_data_temp["definitions"])
         return Response(json_data)
-
diff --git a/multivimbroker/tox.ini b/multivimbroker/tox.ini
index 9292301..88d43d9 100644
--- a/multivimbroker/tox.ini
+++ b/multivimbroker/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py27
+envlist = py27,pep8
 skipsdist = true
 
 [tox:jenkins]
@@ -8,3 +8,7 @@ downloadcache = ~/cache/pip
 [testenv]
 deps = -r{toxinidir}/requirements.txt
 commands = coverage run --branch manage.py test multivimbroker
+
+[testenv:pep8]
+deps=flake8
+commands=flake8