Fixed all Flake8 errors

Change-Id: I1186429df8989461e2384f1f3e533c55cebfb1b4
Signed-off-by: Parker Berberian <pberberian@iol.unh.edu>

10 files changed, 34 insertions, 33 deletions

diff --git a/src/account/models.py b/src/account/models.py
index 0f8154e..4fc7c40 100644
--- a/src/account/models.py
+++ b/src/account/models.py
@@ -61,7 +61,7 @@ class VlanManager(models.Model):
             new_vlan = vlans.index(1)  # will throw if none available
             vlans[new_vlan] = 0
             allocated.append(new_vlan)
-        if count is 1:
+        if count == 1:
             return allocated[0]
         return allocated
 
@@ -131,7 +131,7 @@ class VlanManager(models.Model):
         vlans = set(vlans)
 
         for vlan in vlans:
-            if my_vlans[vlan] is 0:
+            if my_vlans[vlan] == 0:
                 raise ValueError("vlan " + str(vlan) + " is not available")
 
             my_vlans[vlan] = 0
diff --git a/src/api/models.py b/src/api/models.py
index b14ea2f..30f0f75 100644
--- a/src/api/models.py
+++ b/src/api/models.py
@@ -42,7 +42,7 @@ class LabManagerTracker(object):
         """
         try:
             lab = Lab.objects.get(name=lab_name)
-        except:
+        except Exception:
             raise PermissionDenied("Lab not found")
         if lab.api_token == token:
             return LabManager(lab)
@@ -366,7 +366,7 @@ class AccessConfig(TaskConfig):
         d['revoke'] = self.revoke
         try:
             d['context'] = json.loads(self.context)
-        except:
+        except Exception:
             pass
         return d
 
@@ -753,7 +753,7 @@ class JobFactory(object):
         job = None
         try:
             job = Job.objects.get(booking=booking)
-        except:
+        except Exception:
             job = Job.objects.create(status=JobStatus.NEW, booking=booking)
         cls.makeHardwareConfigs(
             hosts=hosts,
@@ -796,7 +796,7 @@ class JobFactory(object):
             hardware_config = None
             try:
                 hardware_config = HardwareConfig.objects.get(relation__host=host)
-            except:
+            except Exception:
                 hardware_config = HardwareConfig()
 
             relation = HostHardwareRelation()
@@ -839,7 +839,7 @@ class JobFactory(object):
             network_config = None
             try:
                 network_config = NetworkConfig.objects.get(relation__host=host)
-            except:
+            except Exception:
                 network_config = NetworkConfig.objects.create()
 
             relation = HostNetworkRelation()
@@ -878,5 +878,5 @@ class JobFactory(object):
             software_relation = SoftwareRelation.objects.create(job=job, config=software_config)
             software_relation.save()
             return software_relation
-        except:
+        except Exception:
             return None
diff --git a/src/booking/quick_deployer.py b/src/booking/quick_deployer.py
index c431017..d838de9 100644
--- a/src/booking/quick_deployer.py
+++ b/src/booking/quick_deployer.py
@@ -124,7 +124,7 @@ def create_from_form(form, request):
         raise InvalidHostnameException("Hostname must comply to RFC 952 and all extensions to it until this point")
     # check that image os is compatible with installer
     if installer in image.os.sup_installers.all():
-        #if installer not here, we can omit that and not check for scenario
+        # if installer not here, we can omit that and not check for scenario
         if not scenario:
             raise IncompatibleScenarioForInstaller("An OPNFV Installer needs a scenario to be chosen to work properly")
         if scenario not in installer.sup_scenarios.all():
@@ -137,9 +137,9 @@ def create_from_form(form, request):
         raise ImageOwnershipInvalid("You are not the owner of the chosen private image")
 
     # check if host type is available
-    #ResourceManager.getInstance().acquireHost(ghost, lab.name)
+    # ResourceManager.getInstance().acquireHost(ghost, lab.name)
     available_host_types = ResourceManager.getInstance().getAvailableHostTypes(lab)
-    if not profile in available_host_types:
+    if profile not in available_host_types:
         # TODO: handle deleting generic resource in this instance along with grb
         raise HostNotAvailable("Could not book selected host due to changed availability. Try again later")
 
@@ -231,12 +231,8 @@ def create_from_form(form, request):
     booking.pdf = ResourceManager().makePDF(booking.resource)
     booking.config_bundle = cbundle
     booking.save()
-    print("users field:")
-    print(users_field)
-    print(type(users_field))
-    #users_field = json.loads(users_field)
     users_field = users_field[2:-2]
-    if users_field: #may be empty after split, if no collaborators entered
+    if users_field:  # may be empty after split, if no collaborators entered
         users_field = json.loads(users_field)
         for collaborator in users_field:
             user = User.objects.get(id=collaborator['id'])
diff --git a/src/dashboard/populate_db_iol.py b/src/dashboard/populate_db_iol.py
index 4368520..916dd97 100644
--- a/src/dashboard/populate_db_iol.py
+++ b/src/dashboard/populate_db_iol.py
@@ -307,7 +307,7 @@ class Populator:
                 size = 0
                 try:
                     size = int(disk_data['size'].split('.')[0])
-                except:
+                except Exception:
                     size = int(disk_data['size'].split('.')[0][:-1])
                 DiskProfile.objects.create(
                     size=size,
diff --git a/src/dashboard/tasks.py b/src/dashboard/tasks.py
index 837e7a1..597629f 100644
--- a/src/dashboard/tasks.py
+++ b/src/dashboard/tasks.py
@@ -11,7 +11,6 @@
 
 from celery import shared_task
 from django.utils import timezone
-from django.db.models import Q
 from booking.models import Booking
 from notifier.manager import NotificationHandler
 from api.models import Job, JobStatus, SoftwareRelation, HostHardwareRelation, HostNetworkRelation, AccessRelation
@@ -41,7 +40,7 @@ def booking_poll():
                     if vlan.public:
                         try:
                             host.lab.vlan_manager.release_public_vlan(vlan.vlan_id)
-                        except:  # will fail if we already released in this loop
+                        except Exception:  # will fail if we already released in this loop
                             pass
                     else:
                         vlans.append(vlan.vlan_id)
diff --git a/src/workflow/booking_workflow.py b/src/workflow/booking_workflow.py
index 76950b8..8be7720 100644
--- a/src/workflow/booking_workflow.py
+++ b/src/workflow/booking_workflow.py
@@ -115,7 +115,7 @@ class Booking_Resource_Select(Resource_Select):
         if resource:
             try:
                 booking.resource.template = resource
-            except:
+            except Exception:
                 booking.resource = ResourceBundle(template=resource)
         models['booking'] = booking
         self.repo_put(self.repo.BOOKING_MODELS, models)
@@ -182,7 +182,7 @@ class SWConfig_Select(WorkflowStep):
             chosen_bundle = booking.config_bundle
             default.append(chosen_bundle.id)
             bundle = chosen_bundle
-        except:
+        except Exception:
             if created_bundle:
                 default.append(created_bundle.id)
                 bundle = created_bundle
diff --git a/src/workflow/models.py b/src/workflow/models.py
index 4e79546..21f3a8e 100644
--- a/src/workflow/models.py
+++ b/src/workflow/models.py
@@ -310,8 +310,8 @@ class Repository():
     SNAPSHOT_DESC = "description of the snapshot"
     BOOKING_INFO_FILE = "the INFO.yaml file for this user's booking"
 
-    #migratory elements of segmented workflow
-    #each of these is the end result of a different workflow.
+    # migratory elements of segmented workflow
+    # each of these is the end result of a different workflow.
     HAS_RESULT = "whether or not workflow has a result"
     RESULT_KEY = "key for target index that result will be put into in parent"
     RESULT = "result object from workflow"
@@ -445,7 +445,7 @@ class Repository():
                         try:
                             interface.host = interface.host
                             interface.save()
-                        except Exception as e:
+                        except Exception:
                             return "GRB, saving interface " + str(interface) + " failed. CODE:0x0019"
             else:
                 return "GRB, no interface set provided. CODE:0x001a"
diff --git a/src/workflow/sw_bundle_workflow.py b/src/workflow/sw_bundle_workflow.py
index 80d1b3d..fd41018 100644
--- a/src/workflow/sw_bundle_workflow.py
+++ b/src/workflow/sw_bundle_workflow.py
@@ -72,7 +72,7 @@ class Define_Software(WorkflowStep):
                         host_profile = host.profile
                         break
             excluded_images = Image.objects.exclude(owner=user).exclude(public=True)
-            excluded_images = excluded_images | Image.objects.exclude(host_type=host.profile)
+            excluded_images = excluded_images | Image.objects.exclude(host_type=host_profile)
             lab = self.repo_get(self.repo.SELECTED_GRESOURCE_BUNDLE).lab
             excluded_images = excluded_images | Image.objects.exclude(from_lab=lab)
             filter_data["id_form-" + str(i) + "-image"] = []
@@ -138,7 +138,7 @@ class Define_Software(WorkflowStep):
                     q.filter(host_type=host.profile)
                     q.filter(from_lab=lab)
                     q.get(id=image.id)  # will throw exception if image is not in q
-                except:
+                except Exception:
                     self.metastep.set_invalid("Image " + image.name + " is not compatible with host " + host.resource.name)
                 role = form.cleaned_data['role']
                 if "jumphost" in role.name.lower():
diff --git a/src/workflow/workflow_factory.py b/src/workflow/workflow_factory.py
index 1f4a28a..f5e2ad1 100644
--- a/src/workflow/workflow_factory.py
+++ b/src/workflow/workflow_factory.py
@@ -12,7 +12,7 @@ from workflow.booking_workflow import Booking_Resource_Select, SWConfig_Select,
 from workflow.resource_bundle_workflow import Define_Hardware, Define_Nets, Resource_Meta_Info
 from workflow.sw_bundle_workflow import Config_Software, Define_Software, SWConf_Resource_Select
 from workflow.snapshot_workflow import Select_Host_Step, Image_Meta_Step
-from workflow.models import Repository, Confirmation_Step
+from workflow.models import Confirmation_Step
 
 import uuid
 
@@ -35,6 +35,7 @@ class ConfigMetaWorkflow(object):
     workflow_type = 2
     color = "#00ffcc"
 
+
 class MetaStep(object):
 
     UNTOUCHED = 0
@@ -76,6 +77,7 @@ class MetaStep(object):
     def __ne__(self, other):
         return self.id.int != other.id.int
 
+
 class Workflow(object):
     def __init__(self, steps, metasteps, repository):
         self.repository = repository
@@ -83,6 +85,7 @@ class Workflow(object):
         self.metasteps = metasteps
         self.active_index = 0
 
+
 class WorkflowFactory():
     booking_steps = [
         Booking_Resource_Select,
diff --git a/src/workflow/workflow_manager.py b/src/workflow/workflow_manager.py
index 1d672cf..89a9d96 100644
--- a/src/workflow/workflow_manager.py
+++ b/src/workflow/workflow_manager.py
@@ -10,10 +10,8 @@
 
 from django.http import JsonResponse
 
-import random
-
 from booking.models import Booking
-from workflow.workflow_factory import WorkflowFactory, MetaStep
+from workflow.workflow_factory import WorkflowFactory
 from workflow.models import Repository
 from resource_inventory.models import (
     GenericResourceBundle,
@@ -47,10 +45,15 @@ class SessionManager():
             repo.set_defaults(defaults)
             repo.el[repo.HAS_RESULT] = False
         repo.el[repo.SESSION_USER] = self.owner
-        self.workflows.append(self.factory.create_workflow(workflow_type=workflow_type, repo = repo))
+        self.workflows.append(
+            self.factory.create_workflow(
+                workflow_type=workflow_type,
+                repo=repo
+            )
+        )
 
     def pop_workflow(self):
-        if( len(self.workflows) <= 1 ):
+        if(len(self.workflows) <= 1):
             return False
 
         if self.workflows[-1].repository.el[self.workflows[-1].repository.HAS_RESULT]:
@@ -70,7 +73,7 @@ class SessionManager():
             responsejson["active"] = self.active_workflow().repository.el['active_step']
             responsejson["workflow_count"] = len(self.workflows)
             return JsonResponse(responsejson, safe=False)
-        except Exception as e:
+        except Exception:
             pass
 
     def render(self, request, **kwargs):