Doc et respect de la pep8

topologie/models.py

@@ -42,6 +42,7 @@ from django.db.models.signals import post_delete
 from django.dispatch import receiver
 from django.core.exceptions import ValidationError
 
+
 class Stack(models.Model):
     """Un objet stack. Regrouppe des switchs en foreign key
     ,contient une id de stack, un switch id min et max dans
@@ -69,6 +70,7 @@ class Stack(models.Model):
             raise ValidationError({'member_id_max': "L'id maximale est\
                 inférieure à l'id minimale"})
 
+
 class Switch(models.Model):
     """ Definition d'un switch. Contient un nombre de ports (number),
     un emplacement (location), un stack parent (optionnel, stack)
@@ -110,12 +112,15 @@ class Switch(models.Model):
             if self.stack_member_id is not None:
                 if (self.stack_member_id > self.stack.member_id_max) or\
                         (self.stack_member_id < self.stack.member_id_min):
-                    raise ValidationError({'stack_member_id': "L'id de ce\
+                    raise ValidationError(
-                        switch est en dehors des bornes permises pas la stack"})
+                        {'stack_member_id': "L'id de ce switch est en\
+                            dehors des bornes permises pas la stack"}
+                        )
             else:
                 raise ValidationError({'stack_member_id': "L'id dans la stack\
                     ne peut être nul"})
 
+
 class Port(models.Model):
     """ Definition d'un port. Relié à un switch(foreign_key),
     un port peut etre relié de manière exclusive à :
@@ -195,7 +200,8 @@ class Port(models.Model):
         cohérence"""
         if hasattr(self, 'switch'):
             if self.port > self.switch.number:
-                raise ValidationError("Ce port ne peut exister, numero trop élevé")
+                raise ValidationError("Ce port ne peut exister,\
+                    numero trop élevé")
         if self.room and self.machine_interface or self.room and\
                 self.related or self.machine_interface and self.related:
             raise ValidationError("Chambre, interface et related_port sont\
@@ -214,6 +220,7 @@ class Port(models.Model):
     def __str__(self):
         return str(self.switch) + " - " + str(self.port)
 
+
 class Room(models.Model):
     """Une chambre/local contenant une prise murale"""
     PRETTY_NAME = "Chambre/ Prise murale"
@@ -227,6 +234,7 @@ class Room(models.Model):
     def __str__(self):
         return str(self.name)
 
+
 @receiver(post_delete, sender=Stack)
 def stack_post_delete(sender, **kwargs):
     """Vide les id des switches membres d'une stack supprimée"""

topologie/urls.py

@@ -19,6 +19,12 @@
 # You should have received a copy of the GNU General Public License along
 # with this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+"""
+Definition des urls de l'application topologie.
+Inclu dans urls de re2o.
+
+Fait référence aux fonctions du views
+"""
 
 from __future__ import unicode_literals
 
@@ -33,18 +39,33 @@ urlpatterns = [
     url(r'^new_room/$', views.new_room, name='new-room'),
     url(r'^edit_room/(?P<room_id>[0-9]+)$', views.edit_room, name='edit-room'),
     url(r'^del_room/(?P<room_id>[0-9]+)$', views.del_room, name='del-room'),
-    url(r'^switch/(?P<switch_id>[0-9]+)$', views.index_port, name='index-port'),
+    url(r'^switch/(?P<switch_id>[0-9]+)$',
-    url(r'^history/(?P<object>switch)/(?P<id>[0-9]+)$', views.history, name='history'),
+        views.index_port,
-    url(r'^history/(?P<object>port)/(?P<id>[0-9]+)$', views.history, name='history'),
+        name='index-port'),
-    url(r'^history/(?P<object>room)/(?P<id>[0-9]+)$', views.history, name='history'),
+    url(r'^history/(?P<object>switch)/(?P<id>[0-9]+)$',
-    url(r'^history/(?P<object>stack)/(?P<id>[0-9]+)$', views.history, name='history'),
+        views.history,
+        name='history'),
+    url(r'^history/(?P<object>port)/(?P<id>[0-9]+)$',
+        views.history,
+        name='history'),
+    url(r'^history/(?P<object>room)/(?P<id>[0-9]+)$',
+        views.history,
+        name='history'),
+    url(r'^history/(?P<object>stack)/(?P<id>[0-9]+)$',
+        views.history,
+        name='history'),
     url(r'^edit_port/(?P<port_id>[0-9]+)$', views.edit_port, name='edit-port'),
     url(r'^new_port/(?P<switch_id>[0-9]+)$', views.new_port, name='new-port'),
     url(r'^del_port/(?P<port_id>[0-9]+)$', views.del_port, name='del-port'),
-    url(r'^edit_switch/(?P<switch_id>[0-9]+)$', views.edit_switch, name='edit-switch'),
+    url(r'^edit_switch/(?P<switch_id>[0-9]+)$',
+        views.edit_switch,
+        name='edit-switch'),
     url(r'^new_stack/$', views.new_stack, name='new-stack'),
     url(r'^index_stack/$', views.index_stack, name='index-stack'),
-    url(r'^edit_stack/(?P<stack_id>[0-9]+)$', views.edit_stack, name='edit-stack'),
+    url(r'^edit_stack/(?P<stack_id>[0-9]+)$',
-    url(r'^del_stack/(?P<stack_id>[0-9]+)$', views.del_stack, name='del-stack'),
+        views.edit_stack,
+        name='edit-stack'),
+    url(r'^del_stack/(?P<stack_id>[0-9]+)$',
+        views.del_stack,
+        name='del-stack'),
 ]
-

topologie/views.py

@@ -19,7 +19,20 @@
 # You should have received a copy of the GNU General Public License along
 # with this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+"""
+Page des vues de l'application topologie
 
+Permet de créer, modifier et supprimer :
+- un port (add_port, edit_port, del_port)
+- un switch : les vues d'ajout et d'édition font appel aux forms de creation
+de switch, mais aussi aux forms de machines.forms (domain, interface et
+machine). Le views les envoie et les save en même temps. TODO : rationaliser
+et faire que la creation de machines (interfaces, domain etc) soit gérée
+coté models et forms de topologie
+- une chambre (new_room, edit_room, del_room)
+- une stack
+- l'historique de tous les objets cités
+"""
 from __future__ import unicode_literals
 
 from django.shortcuts import render, redirect
@@ -33,11 +46,12 @@ from reversion import revisions as reversion
 from reversion.models import Version
 
 from topologie.models import Switch, Port, Room, Stack
-from topologie.forms import EditPortForm, NewSwitchForm, EditSwitchForm, AddPortForm, EditRoomForm, StackForm
+from topologie.forms import EditPortForm, NewSwitchForm, EditSwitchForm
+from topologie.forms import AddPortForm, EditRoomForm, StackForm
 from users.views import form
-from users.models import User
 
-from machines.forms import AliasForm, NewMachineForm, EditMachineForm, EditInterfaceForm, AddInterfaceForm
+from machines.forms import AliasForm, NewMachineForm, EditMachineForm
+from machines.forms import EditInterfaceForm, AddInterfaceForm
 from preferences.models import AssoOption, GeneralOption
 
 
@@ -45,41 +59,52 @@ from preferences.models import AssoOption, GeneralOption
 @permission_required('cableur')
 def index(request):
     """ Vue d'affichage de tous les swicthes"""
-    switch_list = Switch.objects.order_by('stack','stack_member_id','location').select_related('switch_interface__domain__extension').select_related('switch_interface__ipv4').select_related('switch_interface__domain').select_related('stack')
+    switch_list = Switch.objects.order_by(
-    return render(request, 'topologie/index.html', {'switch_list': switch_list})
+        'stack',
+        'stack_member_id',
+        'location'
+        )\
+        .select_related('switch_interface__domain__extension')\
+        .select_related('switch_interface__ipv4')\
+        .select_related('switch_interface__domain')\
+        .select_related('stack')
+    return render(request, 'topologie/index.html', {
+        'switch_list': switch_list
+        })
+
 
 @login_required
 @permission_required('cableur')
-def history(request, object, id):
+def history(request, object_name, object_id):
     """ Vue générique pour afficher l'historique complet d'un objet"""
-    if object == 'switch':
+    if object_name == 'switch':
         try:
-             object_instance = Switch.objects.get(pk=id)
+            object_instance = Switch.objects.get(pk=object_id)
         except Switch.DoesNotExist:
             messages.error(request, "Switch inexistant")
             return redirect("/topologie/")
-    elif object == 'port':
+    elif object_name == 'port':
         try:
-             object_instance = Port.objects.get(pk=id)
+            object_instance = Port.objects.get(pk=object_id)
         except Port.DoesNotExist:
             messages.error(request, "Port inexistant")
             return redirect("/topologie/")
-    elif object == 'room':  
+    elif object_name == 'room':
         try:
-             object_instance = Room.objects.get(pk=id)
+            object_instance = Room.objects.get(pk=object_id)
         except Room.DoesNotExist:
             messages.error(request, "Chambre inexistante")
             return redirect("/topologie/")
-    elif object == 'stack':  
+    elif object_name == 'stack':
         try:
-             object_instance = Stack.objects.get(pk=id)
+            object_instance = Stack.objects.get(pk=object_id)
         except Room.DoesNotExist:
             messages.error(request, "Stack inexistante")
             return redirect("/topologie/")
     else:
         messages.error(request, "Objet  inconnu")
         return redirect("/topologie/")
-    options, created = GeneralOption.objects.get_or_create()
+    options, _created = GeneralOption.objects.get_or_create()
     pagination_number = options.pagination_number
     reversions = Version.objects.get_for_object(object_instance)
     paginator = Paginator(reversions, pagination_number)
@@ -92,7 +117,11 @@ def history(request, object, id):
     except EmptyPage:
         # If page is out of range (e.g. 9999), deliver last page of results.
         reversions = paginator.page(paginator.num_pages)
-    return render(request, 're2o/history.html', {'reversions': reversions, 'object': object_instance})
+    return render(request, 're2o/history.html', {
+        'reversions': reversions,
+        'object': object_instance
+        })
+
 
 @login_required
 @permission_required('cableur')
@@ -103,15 +132,25 @@ def index_port(request, switch_id):
     except Switch.DoesNotExist:
         messages.error(request, u"Switch inexistant")
         return redirect("/topologie/")
-    port_list = Port.objects.filter(switch = switch).select_related('room').select_related('machine_interface__domain__extension').select_related('related').select_related('switch').order_by('port')
+    port_list = Port.objects.filter(switch=switch)\
-    return render(request, 'topologie/index_p.html', {'port_list':port_list, 'id_switch':switch_id, 'nom_switch':switch})
+        .select_related('room')\
+        .select_related('machine_interface__domain__extension')\
+        .select_related('related')\
+        .select_related('switch')\
+        .order_by('port')
+    return render(request, 'topologie/index_p.html', {
+        'port_list': port_list,
+        'id_switch': switch_id,
+        'nom_switch': switch
+        })
+
 
 @login_required
 @permission_required('cableur')
 def index_room(request):
     """ Affichage de l'ensemble des chambres"""
     room_list = Room.objects.order_by('name')
-    options, created = GeneralOption.objects.get_or_create()
+    options, _created = GeneralOption.objects.get_or_create()
     pagination_number = options.pagination_number
     paginator = Paginator(room_list, pagination_number)
     page = request.GET.get('page')
@@ -123,13 +162,20 @@ def index_room(request):
     except EmptyPage:
         # If page is out of range (e.g. 9999), deliver last page of results.
         room_list = paginator.page(paginator.num_pages)
-    return render(request, 'topologie/index_room.html', {'room_list': room_list})
+    return render(request, 'topologie/index_room.html', {
+        'room_list': room_list
+        })
+
 
 @login_required
 @permission_required('infra')
 def index_stack(request):
-    stack_list = Stack.objects.order_by('name').prefetch_related('switch_set__switch_interface__domain__extension')
+    """Affichage de la liste des stacks (affiche l'ensemble des switches)"""
-    return render(request, 'topologie/index_stack.html', {'stack_list': stack_list})
+    stack_list = Stack.objects.order_by('name')\
+        .prefetch_related('switch_set__switch_interface__domain__extension')
+    return render(request, 'topologie/index_stack.html', {
+        'stack_list': stack_list
+        })
 
 
 @login_required
@@ -156,12 +202,20 @@ def new_port(request, switch_id):
         return redirect("/topologie/switch/" + switch_id)
     return form({'topoform': port}, 'topologie/topo.html', request)
 
+
 @login_required
 @permission_required('infra')
 def edit_port(request, port_id):
-    """ Edition d'un port. Permet de changer le switch parent et l'affectation du port"""
+    """ Edition d'un port. Permet de changer le switch parent et
+    l'affectation du port"""
     try:
-        port_object = Port.objects.select_related('switch__switch_interface__domain__extension').select_related('machine_interface__domain__extension').select_related('machine_interface__switch').select_related('room').select_related('related').get(pk=port_id)
+        port_object = Port.objects\
+            .select_related('switch__switch_interface__domain__extension')\
+            .select_related('machine_interface__domain__extension')\
+            .select_related('machine_interface__switch')\
+            .select_related('room')\
+            .select_related('related')\
+            .get(pk=port_id)
     except Port.DoesNotExist:
         messages.error(request, u"Port inexistant")
         return redirect("/topologie/")
@@ -170,11 +224,14 @@ def edit_port(request, port_id):
         with transaction.atomic(), reversion.create_revision():
             port.save()
             reversion.set_user(request.user)
-            reversion.set_comment("Champs modifié(s) : %s" % ', '.join(field for field in port.changed_data))
+            reversion.set_comment("Champs modifié(s) : %s" % ', '.join(
+                field for field in port.changed_data
+                ))
         messages.success(request, "Le port a bien été modifié")
         return redirect("/topologie/switch/" + str(port_object.switch.id))
     return form({'topoform': port}, 'topologie/topo.html', request)
 
+
 @login_required
 @permission_required('infra')
 def del_port(request, port_id):
@@ -192,30 +249,30 @@ def del_port(request,port_id):
                 reversion.set_comment("Destruction")
                 messages.success(request, "Le port a eté détruit")
         except ProtectedError:
-            messages.error(request, "Le port %s est affecté à un autre objet, impossible de le supprimer" % port)
+            messages.error(request, "Le port %s est affecté à un autre objet,\
+                impossible de le supprimer" % port)
         return redirect('/topologie/switch/' + str(port.switch.id))
     return form({'objet': port}, 'topologie/delete.html', request)
 
+
 @login_required
 @permission_required('infra')
 def new_stack(request):
+    """Ajoute un nouveau stack : stack_id_min, max, et nombre de switches"""
     stack = StackForm(request.POST or None)
-    #if stack.is_valid():
+    if stack.is_valid():
-    if request.POST:
-        try:
         with transaction.atomic(), reversion.create_revision():
             stack.save()
             reversion.set_user(request.user)
             reversion.set_comment("Création")
         messages.success(request, "Stack crée")
-        except:
-            messages.error(request, "Cette stack existe déjà")
     return form({'topoform': stack}, 'topologie/topo.html', request)
 
 
 @login_required
 @permission_required('infra')
 def edit_stack(request, stack_id):
+    """Edition d'un stack (nombre de switches, nom...)"""
     try:
         stack = Stack.objects.get(pk=stack_id)
     except Stack.DoesNotExist:
@@ -226,13 +283,19 @@ def edit_stack(request,stack_id):
         with transaction.atomic(), reversion.create_revision():
             stack.save()
             reversion.set_user(request.user)
-            reversion.set_comment("Champs modifié(s) : %s" % ', '.join(field for field in stack.changed_data))
+            reversion.set_comment(
+                "Champs modifié(s) : %s" % ', '.join(
+                    field for field in stack.changed_data
+                    )
+                )
         return redirect('/topologie/index_stack')
     return form({'topoform': stack}, 'topologie/topo.html', request)
 
+
 @login_required
 @permission_required('infra')
 def del_stack(request, stack_id):
+    """Supprime un stack"""
     try:
         stack = Stack.objects.get(pk=stack_id)
     except Stack.DoesNotExist:
@@ -246,13 +309,16 @@ def del_stack(request,stack_id):
                 reversion.set_comment("Destruction")
                 messages.success(request, "La stack a eté détruite")
         except ProtectedError:
-            messages.error(request, "La stack %s est affectée à un autre objet, impossible de la supprimer" % stack)
+            messages.error(request, "La stack %s est affectée à un autre\
+                objet, impossible de la supprimer" % stack)
         return redirect('/topologie/index_stack')
     return form({'objet': stack}, 'topologie/delete.html', request)
 
+
 @login_required
 @permission_required('infra')
 def edit_switchs_stack(request, stack_id):
+    """Permet d'éditer la liste des switches dans une stack et l'ajouter"""
     try:
         stack = Stack.objects.get(pk=stack_id)
     except Stack.DoesNotExist:
@@ -264,30 +330,36 @@ def edit_switchs_stack(request,stack_id):
         context = {'stack': stack}
         context['switchs_stack'] = stack.switchs_set.all()
         context['switchs_autres'] = Switch.object.filter(stack=None)
-        pass
 
 
 @login_required
 @permission_required('infra')
 def new_switch(request):
-    """ Creation d'un switch. Cree en meme temps l'interface et la machine associée.
+    """ Creation d'un switch. Cree en meme temps l'interface et la machine
-    Vue complexe. Appelle successivement les 4 models forms adaptés : machine,
+    associée. Vue complexe. Appelle successivement les 4 models forms
-    interface, domain et switch"""
+    adaptés : machine, interface, domain et switch"""
     switch = NewSwitchForm(request.POST or None)
     machine = NewMachineForm(request.POST or None)
-    interface = AddInterfaceForm(request.POST or None, infra=request.user.has_perms(('infra',)))
+    interface = AddInterfaceForm(
-    domain = AliasForm(request.POST or None, infra=request.user.has_perms(('infra',)))
+        request.POST or None,
+        infra=request.user.has_perms(('infra',))
+        )
+    domain = AliasForm(
+        request.POST or None,
+        infra=request.user.has_perms(('infra',))
+        )
     if switch.is_valid() and machine.is_valid() and interface.is_valid():
-        options, created = AssoOption.objects.get_or_create()
+        options, _created = AssoOption.objects.get_or_create()
         user = options.utilisateur_asso
         if not user:
-            messages.error(request, "L'user association n'existe pas encore, veuillez le créer ou le linker dans preferences")
+            messages.error(request, "L'user association n'existe pas encore,\
+            veuillez le créer ou le linker dans preferences")
             return redirect("/topologie/")
         new_machine = machine.save(commit=False)
         new_machine.user = user
         new_interface = interface.save(commit=False)
-        new_switch = switch.save(commit=False)
+        new_switch_instance = switch.save(commit=False)
-        new_domain = domain.save(commit=False)
+        new_domain_instance = domain.save(commit=False)
         with transaction.atomic(), reversion.create_revision():
             new_machine.save()
             reversion.set_user(request.user)
@@ -297,58 +369,91 @@ def new_switch(request):
             new_interface.save()
             reversion.set_user(request.user)
             reversion.set_comment("Création")
-        new_domain.interface_parent = new_interface
+        new_domain_instance.interface_parent = new_interface
         with transaction.atomic(), reversion.create_revision():
-            new_domain.save()
+            new_domain_instance.save()
             reversion.set_user(request.user)
             reversion.set_comment("Création")
-        new_switch.switch_interface = new_interface
+        new_switch_instance.switch_interface = new_interface
         with transaction.atomic(), reversion.create_revision():
-            new_switch.save()
+            new_switch_instance.save()
             reversion.set_user(request.user)
             reversion.set_comment("Création")
         messages.success(request, "Le switch a été crée")
         return redirect("/topologie/")
-    return form({'topoform':switch, 'machineform': machine, 'interfaceform': interface, 'domainform': domain}, 'topologie/switch.html', request)
+    return form({
+        'topoform': switch,
+        'machineform': machine,
+        'interfaceform': interface,
+        'domainform': domain
+        }, 'topologie/switch.html', request)
+
 
 @login_required
 @permission_required('infra')
 def edit_switch(request, switch_id):
-    """ Edition d'un switch. Permet de chambre nombre de ports, place dans le stack,
+    """ Edition d'un switch. Permet de chambre nombre de ports,
-    interface et machine associée"""
+    place dans le stack, interface et machine associée"""
     try:
         switch = Switch.objects.get(pk=switch_id)
     except Switch.DoesNotExist:
         messages.error(request, u"Switch inexistant")
         return redirect("/topologie/")
     switch_form = EditSwitchForm(request.POST or None, instance=switch)
-    machine_form = EditMachineForm(request.POST or None, instance=switch.switch_interface.machine)
+    machine_form = EditMachineForm(
-    interface_form = EditInterfaceForm(request.POST or None, instance=switch.switch_interface)
+        request.POST or None,
-    domain_form = AliasForm(request.POST or None, infra=request.user.has_perms(('infra',)), instance=switch.switch_interface.domain)
+        instance=switch.switch_interface.machine
-    if switch_form.is_valid() and machine_form.is_valid() and interface_form.is_valid():
+        )
+    interface_form = EditInterfaceForm(
+        request.POST or None,
+        instance=switch.switch_interface
+        )
+    domain_form = AliasForm(
+        request.POST or None,
+        infra=request.user.has_perms(('infra',)),
+        instance=switch.switch_interface.domain
+        )
+    if switch_form.is_valid() and machine_form.is_valid()\
+            and interface_form.is_valid():
         new_interface = interface_form.save(commit=False)
         new_machine = machine_form.save(commit=False)
-        new_switch = switch_form.save(commit=False)
+        new_switch_instance = switch_form.save(commit=False)
         new_domain = domain_form.save(commit=False)
         with transaction.atomic(), reversion.create_revision():
             new_machine.save()
             reversion.set_user(request.user)
-            reversion.set_comment("Champs modifié(s) : %s" % ', '.join(field for field in machine_form.changed_data))
+            reversion.set_comment(
+                "Champs modifié(s) : %s" % ', '.join(
+                    field for field in machine_form.changed_data
+                    )
+                )
         with transaction.atomic(), reversion.create_revision():
             new_interface.save()
             reversion.set_user(request.user)
-            reversion.set_comment("Champs modifié(s) : %s" % ', '.join(field for field in interface_form.changed_data))
+            reversion.set_comment("Champs modifié(s) : %s" % ', '.join(
+                field for field in interface_form.changed_data)
+                                 )
         with transaction.atomic(), reversion.create_revision():
             new_domain.save()
             reversion.set_user(request.user)
-            reversion.set_comment("Champs modifié(s) : %s" % ', '.join(field for field in domain_form.changed_data))
+            reversion.set_comment("Champs modifié(s) : %s" % ', '.join(
+                field for field in domain_form.changed_data)
+                                 )
         with transaction.atomic(), reversion.create_revision():
-            new_switch.save()
+            new_switch_instance.save()
             reversion.set_user(request.user)
-            reversion.set_comment("Champs modifié(s) : %s" % ', '.join(field for field in switch_form.changed_data))
+            reversion.set_comment("Champs modifié(s) : %s" % ', '.join(
+                field for field in switch_form.changed_data)
+                                 )
         messages.success(request, "Le switch a bien été modifié")
         return redirect("/topologie/")
-    return form({'topoform':switch_form, 'machineform': machine_form, 'interfaceform': interface_form, 'domainform': domain_form}, 'topologie/switch.html', request)
+    return form({
+        'topoform': switch_form,
+        'machineform': machine_form,
+        'interfaceform': interface_form,
+        'domainform': domain_form
+        }, 'topologie/switch.html', request)
+
 
 @login_required
 @permission_required('infra')
@@ -364,6 +469,7 @@ def new_room(request):
         return redirect("/topologie/index_room/")
     return form({'topoform': room}, 'topologie/topo.html', request)
 
+
 @login_required
 @permission_required('infra')
 def edit_room(request, room_id):
@@ -378,11 +484,14 @@ def edit_room(request, room_id):
         with transaction.atomic(), reversion.create_revision():
             room.save()
             reversion.set_user(request.user)
-            reversion.set_comment("Champs modifié(s) : %s" % ', '.join(field for field in room.changed_data))
+            reversion.set_comment("Champs modifié(s) : %s" % ', '.join(
+                field for field in room.changed_data)
+                                 )
         messages.success(request, "La chambre a bien été modifiée")
         return redirect("/topologie/index_room/")
     return form({'topoform': room}, 'topologie/topo.html', request)
 
+
 @login_required
 @permission_required('infra')
 def del_room(request, room_id):
@@ -400,6 +509,10 @@ def del_room(request, room_id):
                 reversion.set_comment("Destruction")
                 messages.success(request, "La chambre/prise a été détruite")
         except ProtectedError:
-            messages.error(request, "La chambre %s est affectée à un autre objet, impossible de la supprimer (switch ou user)" % room)
+            messages.error(request, "La chambre %s est affectée à un autre objet,\
+                impossible de la supprimer (switch ou user)" % room)
         return redirect("/topologie/index_room/")
-    return form({'objet': room, 'objet_name': 'Chambre'}, 'topologie/delete.html', request)
+    return form({
+        'objet': room,
+        'objet_name': 'Chambre'
+        }, 'topologie/delete.html', request)