diff --git a/topologie/admin.py b/topologie/admin.py
index bc4ca81e..bd5a61c4 100644
--- a/topologie/admin.py
+++ b/topologie/admin.py
@@ -20,8 +20,8 @@
 # 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.
-"""
-Fichier définissant les administration des models dans l'interface admin
+"""topologie.admin
+The objects, fields and datastructures visible in the Django admin view.
 """
 
 from __future__ import unicode_literals
@@ -45,67 +45,67 @@ from .models import (
 
 
 class StackAdmin(VersionAdmin):
-    """Administration d'une stack de switches (inclus des switches)"""
+    """Admin class of stacks (includes switches)."""
 
     pass
 
 
 class SwitchAdmin(VersionAdmin):
-    """Administration d'un switch"""
+    """Admin class of switches."""
 
     pass
 
 
 class PortAdmin(VersionAdmin):
-    """Administration d'un port de switches"""
+    """Admin class of switch ports."""
 
     pass
 
 
 class AccessPointAdmin(VersionAdmin):
-    """Administration d'une borne"""
+    """Admin class of APs."""
 
     pass
 
 
 class RoomAdmin(VersionAdmin):
-    """Administration d'un chambre"""
+    """Admin class of rooms."""
 
     pass
 
 
 class ModelSwitchAdmin(VersionAdmin):
-    """Administration d'un modèle de switch"""
+    """Admin class of switch models."""
 
     pass
 
 
 class ConstructorSwitchAdmin(VersionAdmin):
-    """Administration d'un constructeur d'un switch"""
+    """Admin class of switch constructors."""
 
     pass
 
 
 class SwitchBayAdmin(VersionAdmin):
-    """Administration d'une baie de brassage"""
+    """Admin class of switch bays."""
 
     pass
 
 
 class BuildingAdmin(VersionAdmin):
-    """Administration d'un batiment"""
+    """Admin class of buildings."""
 
     pass
 
 
 class DormitoryAdmin(VersionAdmin):
-    """Administration d'une residence"""
+    """Admin class of dormitories."""
 
     pass
 
 
 class PortProfileAdmin(VersionAdmin):
-    """Administration of a port profile"""
+    """Admin class of port profiles."""
 
     pass
 
diff --git a/topologie/forms.py b/topologie/forms.py
index 91cc8367..205be5fb 100644
--- a/topologie/forms.py
+++ b/topologie/forms.py
@@ -20,14 +20,12 @@
 # with this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 """
-Un forms le plus simple possible pour les objets topologie de re2o.
+Forms for the topologie app of re2o.
 
-Permet de créer et supprimer : un Port de switch, relié à un switch.
-
-Permet de créer des stacks et d'y ajouter des switchs (StackForm)
-
-Permet de créer, supprimer et editer un switch (EditSwitchForm,
-NewSwitchForm)
+The forms are used to:
+    * create and delete switch ports, related to a switch.
+    * create stacks and add switches to them (StackForm).
+    * create, edit and delete a switch (NewSwitchForm, EditSwitchForm).
 """
 
 from __future__ import unicode_literals
@@ -59,8 +57,7 @@ from .models import (
 
 
 class PortForm(FormRevMixin, ModelForm):
-    """Formulaire pour la création d'un port d'un switch
-    Relié directement au modèle port"""
+    """Form used to manage a switch's port."""
 
     class Meta:
         model = Port
@@ -72,14 +69,11 @@ class PortForm(FormRevMixin, ModelForm):
 
 
 class EditPortForm(FormRevMixin, ModelForm):
-    """Form pour l'édition d'un port de switche : changement des reglages
-    radius ou vlan, ou attribution d'une chambre, autre port ou machine
+    """Form used to edit a switch's port: change in RADIUS or VLANs settings,
+    assignement to a room, port or machine.
 
-    Un port est relié à une chambre, un autre port (uplink) ou une machine
-    (serveur ou borne), mutuellement exclusif
-    Optimisation sur les queryset pour machines et port_related pour
-    optimiser le temps de chargement avec select_related (vraiment
-    lent sans)"""
+    A port is related to either a room, another port (uplink) or a machine (server or AP).
+    """
 
     class Meta(PortForm.Meta):
         fields = [
@@ -106,8 +100,7 @@ class EditPortForm(FormRevMixin, ModelForm):
 
 
 class AddPortForm(FormRevMixin, ModelForm):
-    """Permet d'ajouter un port de switch. Voir EditPortForm pour plus
-    d'informations"""
+    """Form used to add a switch's port. See EditPortForm."""
 
     class Meta(PortForm.Meta):
         fields = [
@@ -139,8 +132,7 @@ class AddPortForm(FormRevMixin, ModelForm):
 
 
 class StackForm(FormRevMixin, ModelForm):
-    """Permet d'edition d'une stack : stack_id, et switches membres
-    de la stack"""
+    """Form used to create and edit stacks."""
 
     class Meta:
         model = Stack
@@ -152,8 +144,7 @@ class StackForm(FormRevMixin, ModelForm):
 
 
 class AddAccessPointForm(NewMachineForm):
-    """Formulaire pour la création d'une borne
-    Relié directement au modèle borne"""
+    """Form used to create access points."""
 
     class Meta:
         model = AccessPoint
@@ -161,7 +152,7 @@ class AddAccessPointForm(NewMachineForm):
 
 
 class EditAccessPointForm(EditMachineForm):
-    """Edition d'une borne. Edition complète"""
+    """Form used to edit access points."""
 
     class Meta:
         model = AccessPoint
@@ -169,7 +160,7 @@ class EditAccessPointForm(EditMachineForm):
 
 
 class EditSwitchForm(EditMachineForm):
-    """Permet d'éditer un switch : nom et nombre de ports"""
+    """Form used to edit switches."""
 
     class Meta:
         model = Switch
@@ -177,15 +168,14 @@ class EditSwitchForm(EditMachineForm):
 
 
 class NewSwitchForm(NewMachineForm):
-    """Permet de créer un switch : emplacement, paramètres machine,
-    membre d'un stack (option), nombre de ports (number)"""
+    """Form used to create a switch."""
 
     class Meta(EditSwitchForm.Meta):
         fields = ["name", "switchbay", "number", "stack", "stack_member_id"]
 
 
 class EditRoomForm(FormRevMixin, ModelForm):
-    """Permet d'éediter le nom et commentaire d'une prise murale"""
+    """Form used to edit a room."""
 
     class Meta:
         model = Room
@@ -197,14 +187,14 @@ class EditRoomForm(FormRevMixin, ModelForm):
 
 
 class CreatePortsForm(forms.Form):
-    """Permet de créer une liste de ports pour un switch."""
+    """Form used to create switch ports lists."""
 
     begin = forms.IntegerField(label=_("Start:"), min_value=0)
     end = forms.IntegerField(label=_("End:"), min_value=0)
 
 
 class EditModelSwitchForm(FormRevMixin, ModelForm):
-    """Permet d'éediter un modèle de switch : nom et constructeur"""
+    """Form used to edit switch models."""
 
     members = forms.ModelMultipleChoiceField(Switch.objects.all(), required=False)
 
@@ -226,7 +216,7 @@ class EditModelSwitchForm(FormRevMixin, ModelForm):
 
 
 class EditConstructorSwitchForm(FormRevMixin, ModelForm):
-    """Permet d'éediter le nom d'un constructeur"""
+    """Form used to edit switch constructors."""
 
     class Meta:
         model = ConstructorSwitch
@@ -238,7 +228,7 @@ class EditConstructorSwitchForm(FormRevMixin, ModelForm):
 
 
 class EditSwitchBayForm(FormRevMixin, ModelForm):
-    """Permet d'éditer une baie de brassage"""
+    """Form used to edit switch bays."""
 
     members = forms.ModelMultipleChoiceField(Switch.objects.all(), required=False)
 
@@ -260,7 +250,7 @@ class EditSwitchBayForm(FormRevMixin, ModelForm):
 
 
 class EditBuildingForm(FormRevMixin, ModelForm):
-    """Permet d'éditer le batiment"""
+    """Form used to edit buildings."""
 
     class Meta:
         model = Building
@@ -272,7 +262,7 @@ class EditBuildingForm(FormRevMixin, ModelForm):
 
 
 class EditDormitoryForm(FormRevMixin, ModelForm):
-    """Enable dormitory edition"""
+    """Form used to edit dormitories."""
 
     class Meta:
         model = Dormitory
@@ -284,7 +274,7 @@ class EditDormitoryForm(FormRevMixin, ModelForm):
 
 
 class EditPortProfileForm(FormRevMixin, ModelForm):
-    """Form to edit a port profile"""
+    """Form used to edit port profiles."""
 
     class Meta:
         model = PortProfile
@@ -296,7 +286,7 @@ class EditPortProfileForm(FormRevMixin, ModelForm):
 
 
 class EditModuleForm(FormRevMixin, ModelForm):
-    """Add and edit module instance"""
+    """Form used to add and edit switch modules."""
 
     class Meta:
         model = ModuleSwitch
@@ -308,7 +298,7 @@ class EditModuleForm(FormRevMixin, ModelForm):
 
 
 class EditSwitchModuleForm(FormRevMixin, ModelForm):
-    """Add/edit a switch to a module"""
+    """Form used to add and edit modules related to a switch."""
 
     class Meta:
         model = ModuleOnSwitch
diff --git a/topologie/models.py b/topologie/models.py
index a184bde4..0dbb0e6a 100644
--- a/topologie/models.py
+++ b/topologie/models.py
@@ -21,18 +21,15 @@
 # with this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 """
-Definition des modèles de l'application topologie.
+Definition of models for the 'topologie' app.
 
-On défini les models suivants :
-
-- stack (id, id_min, id_max et nom) regrouppant les switches
-- switch : nom, nombre de port, et interface
-machine correspondante (mac, ip, etc) (voir machines.models.interface)
-- Port: relié à un switch parent par foreign_key, numero du port,
-relié de façon exclusive à un autre port, une machine
-(serveur ou borne) ou une prise murale
-- room : liste des prises murales, nom et commentaire de l'état de
-la prise
+The following models are defined:
+    * stack (grouping switches): id, id_min, id_max and name
+    * switch: name, number of ports, related interface and machine (MAC
+    address, IP address etc.) (see machines.models.interface)
+    * port: related to a switch by foreign_key, number of the port, related
+    exclusively to another port, machine (server or AP) or room outlets
+    * room: list of outlets, name and comments about the plug's state
 """
 
 from __future__ import unicode_literals
@@ -56,9 +53,15 @@ from re2o.mixins import AclMixin, RevMixin
 
 
 class Stack(AclMixin, RevMixin, models.Model):
-    """Un objet stack. Regrouppe des switchs en foreign key
-    ,contient une id de stack, un switch id min et max dans
-    le stack"""
+    """Switch stack.
+
+    Attributes:
+        name: the name of the stack.
+        stack_id: the ID of the stack, as a text chosen by the user.
+        details: the description to provide details about the stack.
+        member_id_min: the minimum switch ID in the stack.
+        member_id_max: the maximum switch ID in the stack.
+    """
 
     name = models.CharField(max_length=32, blank=True, null=True)
     stack_id = models.CharField(max_length=32, unique=True)
@@ -89,9 +92,10 @@ class Stack(AclMixin, RevMixin, models.Model):
 
 
 class AccessPoint(Machine):
-    """Define a wireless AP. Inherit from machines.interfaces
+    """Wireless Access Point. Inherits from machines.interfaces.
 
-    Definition pour une borne wifi , hérite de machines.interfaces
+    Attributes:
+        location: the text to provide details about the AP's location.
     """
 
     location = models.CharField(
@@ -107,17 +111,16 @@ class AccessPoint(Machine):
         verbose_name_plural = _("access points")
 
     def port(self):
-        """Return the queryset of ports for this device"""
+        """Return the queryset of ports for this device."""
         return Port.objects.filter(machine_interface__machine=self)
 
     def switch(self):
-        """Return the switch where this is plugged"""
+        """Return the switch where this is plugged."""
         return Switch.objects.filter(ports__machine_interface__machine=self)
 
     def building(self):
-        """
-        Return the building of the AP/Server (building of the switchs
-        connected to...)
+        """Return the building of the AP/Server (building of the switches
+        connected to...).
         """
         return Building.objects.filter(switchbay__switch=self.switch())
 
@@ -127,7 +130,14 @@ class AccessPoint(Machine):
 
     @classmethod
     def all_ap_in(cls, building_instance):
-        """Get a building as argument, returns all ap of a building"""
+        """Get all the APs of the given building.
+
+        Args:
+            building_instance: the building used to find APs.
+
+        Returns:
+            The queryset of all APs in the given building.
+        """
         return cls.objects.filter(
             interface__port__switch__switchbay__building=building_instance
         )
@@ -158,25 +168,24 @@ class AccessPoint(Machine):
 
 
 class Server(Machine):
-    """
-    Dummy class, to retrieve servers of a building, or get switch of a server
+    """Dummy class, to retrieve servers of a building, or get switch of a
+    server.
     """
 
     class Meta:
         proxy = True
 
     def port(self):
-        """Return the queryset of ports for this device"""
+        """Return the queryset of ports for this device."""
         return Port.objects.filter(machine_interface__machine=self)
 
     def switch(self):
-        """Return the switch where this is plugged"""
+        """Return the switch where this is plugged."""
         return Switch.objects.filter(ports__machine_interface__machine=self)
 
     def building(self):
-        """
-        Return the building of the AP/Server
-        (building of the switchs connected to...)
+        """Return the building of the AP/Server (building of the switches
+        connected to...).
         """
         return Building.objects.filter(switchbay__switch=self.switch())
 
@@ -186,7 +195,14 @@ class Server(Machine):
 
     @classmethod
     def all_server_in(cls, building_instance):
-        """Get a building as argument, returns all server of a building"""
+        """Get all the servers of the given building.
+
+        Args:
+            building_instance: the building used to find servers.
+
+        Returns:
+            The queryset of all servers in the given building.
+        """
         return cls.objects.filter(
             interface__port__switch__switchbay__building=building_instance
         ).exclude(accesspoint__isnull=False)
@@ -217,17 +233,19 @@ class Server(Machine):
 
 
 class Switch(Machine):
-    """ Definition d'un switch. Contient un nombre de ports (number),
-    un emplacement (location), un stack parent (optionnel, stack)
-    et un id de membre dans le stack (stack_member_id)
-    relié en onetoone à une interface
-    Pourquoi ne pas avoir fait hériter switch de interface ?
-    Principalement par méconnaissance de la puissance de cette façon de faire.
-    Ceci étant entendu, django crée en interne un onetoone, ce qui a un
-    effet identique avec ce que l'on fait ici
+    """Switch.
 
-    Validation au save que l'id du stack est bien dans le range id_min
-    id_max de la stack parente"""
+    Attributes:
+        number: the number of ports of the switch.
+        stack: the stack the switch is a part of.
+        stack_member_id: the ID of the switch in the related stack.
+        model: the model of the switch.
+        switchbay: the bay in which the switch is located.
+        radius_key: the RADIUS key of the switch.
+        management_creds: the management credentials of the switch.
+        automatic_provision: whether automatic provision is enabled for the
+            switch.
+    """
 
     number = models.PositiveIntegerField(help_text=_("Number of ports."))
     stack = models.ForeignKey(
@@ -269,8 +287,9 @@ class Switch(Machine):
         verbose_name_plural = _("switches")
 
     def clean(self):
-        """ Verifie que l'id stack est dans le bon range
-        Appelle également le clean de la classe parente"""
+        """Check if the stack member ID is in the range of the stack's IDs and
+        calls the clean of the parent class.
+        """
         super(Switch, self).clean()
         if self.stack is not None:
             if self.stack_member_id is not None:
@@ -293,6 +312,12 @@ class Switch(Machine):
     def create_ports(self, begin, end):
         """ Crée les ports de begin à end si les valeurs données
         sont cohérentes. """
+        """Create ports for the switch if the values are consistent.
+
+        Args:
+            begin: the number of the start port.
+            end: the number of the end port.
+        """
         if end < begin:
             raise ValidationError(_("The end port is less than the start port."))
         ports_to_create = range(begin, end + 1)
@@ -313,8 +338,7 @@ class Switch(Machine):
             )
 
     def main_interface(self):
-        """ Returns the 'main' interface of the switch
-        It must the the management interface for that device"""
+        """Get the main interface of the switch (the management interface)."""
         switch_iptype = OptionalTopologie.get_cached_value("switchs_ip_type")
         if switch_iptype:
             return (
@@ -329,12 +353,14 @@ class Switch(Machine):
 
     @cached_property
     def get_radius_key(self):
-        """Retourne l'objet de la clef radius de ce switch"""
+        """Get the RADIUS key object related to the switch."""
         return self.radius_key or RadiusKey.objects.filter(default_switch=True).first()
 
     @cached_property
     def get_radius_key_value(self):
-        """Retourne la valeur en str de la clef radius, none si il n'y en a pas"""
+        """Get the RADIUS key as a string, or None if there are no RADIUS key
+        related to the switch.
+        """
         if self.get_radius_key:
             return self.get_radius_key.radius_key
         else:
@@ -362,7 +388,7 @@ class Switch(Machine):
 
     @cached_property
     def get_management_cred(self):
-        """Retourne l'objet des creds de managament de ce switch"""
+        """Get the management credentials objects of the switch."""
         return (
             self.management_creds
             or SwitchManagementCred.objects.filter(default_switch=True).first()
@@ -370,7 +396,9 @@ class Switch(Machine):
 
     @cached_property
     def get_management_cred_value(self):
-        """Retourne un dict des creds de management du switch"""
+        """Get the management credentials as a dictionary, or None if there are
+        no management credentials related to the switch.
+        """
         if self.get_management_cred:
             return {
                 "id": self.get_management_cred.management_id,
@@ -401,17 +429,19 @@ class Switch(Machine):
 
     @cached_property
     def ipv4(self):
-        """Return the switch's management ipv4"""
+        """Get the IPv4 address of the switch's management interface."""
         return str(self.main_interface().ipv4)
 
     @cached_property
     def ipv6(self):
-        """Returne the switch's management ipv6"""
+        """Get the IPv6 address of the switch's management interface."""
         return str(self.main_interface().ipv6().first())
 
     @cached_property
     def interfaces_subnet(self):
-        """Return dict ip:subnet for all ip of the switch"""
+        """Get a dictionary of IPv4 addresses:subnets of all the switch's
+        interfaces.
+        """
         return dict(
             (
                 str(interface.ipv4),
@@ -423,7 +453,9 @@ class Switch(Machine):
 
     @cached_property
     def interfaces6_subnet(self):
-        """Return dict ip6:subnet for all ipv6 of the switch"""
+        """Get a dictionary of IPv6 addresses:subnets of all the switch's
+        interfaces.
+        """
         return dict(
             (
                 str(interface.ipv6().first()),
@@ -434,7 +466,9 @@ class Switch(Machine):
 
     @cached_property
     def list_modules(self):
-        """Return modules of that switch, list of dict (rank, reference)"""
+        """Get the list of dictionaries (rank, reference) of modules related to
+        the switch.
+        """
         modules = []
         if getattr(self.model, "is_modular", None):
             if self.model.is_itself_module:
@@ -445,7 +479,7 @@ class Switch(Machine):
 
     @cached_property
     def get_dormitory(self):
-        """Returns the dormitory of that switch"""
+        """Get the dormitory in which the switch is located."""
         if self.switchbay:
             return self.switchbay.building.dormitory
         else:
@@ -453,19 +487,19 @@ class Switch(Machine):
 
     @classmethod
     def nothing_profile(cls):
-        """Return default nothing port profile"""
+        """Return default nothing port profile."""
         nothing_profile, _created = PortProfile.objects.get_or_create(
             profil_default="nothing", name="nothing", radius_type="NO"
         )
         return nothing_profile
 
     def profile_type_or_nothing(self, profile_type):
-        """Return the profile for a profile_type of this switch
+        """Return the profile for a profile_type of this switch.
 
-        If exists, returns the defined default profile for a profile type on the dormitory which
-        the switch belongs
-
-        Otherwise, returns the nothing profile"""
+        If it exists, return the defined default profile for a profile type on
+        the dormitory which the switch belongs.
+        Otherwise, return the nothing profile.
+        """
         profile_queryset = PortProfile.objects.filter(profil_default=profile_type)
         if self.get_dormitory:
             port_profile = (
@@ -478,22 +512,22 @@ class Switch(Machine):
 
     @cached_property
     def default_uplink_profile(self):
-        """Default uplink profile for that switch -- in cache"""
+        """Default uplink profile for that switch -- in cache."""
         return self.profile_type_or_nothing("uplink")
 
     @cached_property
     def default_access_point_profile(self):
-        """Default ap profile for that switch -- in cache"""
+        """Default AP profile for that switch -- in cache."""
         return self.profile_type_or_nothing("access_point")
 
     @cached_property
     def default_room_profile(self):
-        """Default room profile for that switch -- in cache"""
+        """Default room profile for that switch -- in cache."""
         return self.profile_type_or_nothing("room")
 
     @cached_property
     def default_asso_machine_profile(self):
-        """Default asso machine profile for that switch -- in cache"""
+        """Default asso machine profile for that switch -- in cache."""
         return self.profile_type_or_nothing("asso_machine")
 
     def __str__(self):
@@ -522,7 +556,16 @@ class Switch(Machine):
 
 
 class ModelSwitch(AclMixin, RevMixin, models.Model):
-    """Un modèle (au sens constructeur) de switch"""
+    """Switch model.
+
+    Attributes:
+        reference: the reference of the switch model.
+        commercial_name: the commercial name of the switch model.
+        constructor: the constructor of the switch model.
+        firmware: the firmware of the switch model.
+        is_modular: whether the switch model is modular.
+        is_itself_module: whether the switch is considered as a module.
+    """
 
     reference = models.CharField(max_length=255)
     commercial_name = models.CharField(max_length=255, null=True, blank=True)
@@ -550,7 +593,12 @@ class ModelSwitch(AclMixin, RevMixin, models.Model):
 
 
 class ModuleSwitch(AclMixin, RevMixin, models.Model):
-    """A module of a switch"""
+    """Switch module.
+
+    Attributes:
+        reference: the reference of the switch module.
+        comment: the comment to describe the switch module.
+    """
 
     reference = models.CharField(
         max_length=255,
@@ -575,7 +623,13 @@ class ModuleSwitch(AclMixin, RevMixin, models.Model):
 
 
 class ModuleOnSwitch(AclMixin, RevMixin, models.Model):
-    """Link beetween module and switch"""
+    """Link beetween module and switch.
+
+    Attributes:
+        module: the switch module related to the link.
+        switch: the switch related to the link.
+        slot: the slot on the switch related to the link.
+    """
 
     module = models.ForeignKey("ModuleSwitch", on_delete=models.CASCADE)
     switch = models.ForeignKey("Switch", on_delete=models.CASCADE)
@@ -601,7 +655,11 @@ class ModuleOnSwitch(AclMixin, RevMixin, models.Model):
 
 
 class ConstructorSwitch(AclMixin, RevMixin, models.Model):
-    """Un constructeur de switch"""
+    """Switch constructor.
+
+    Attributes:
+        name: the name of the switch constructor.
+    """
 
     name = models.CharField(max_length=255)
 
@@ -617,7 +675,13 @@ class ConstructorSwitch(AclMixin, RevMixin, models.Model):
 
 
 class SwitchBay(AclMixin, RevMixin, models.Model):
-    """Une baie de brassage"""
+    """Switch bay.
+
+    Attributes:
+        name: the name of the switch bay.
+        building: the building in which the switch bay is located.
+        info: the information to describe to switch bay.
+    """
 
     name = models.CharField(max_length=255)
     building = models.ForeignKey("Building", on_delete=models.PROTECT)
@@ -633,8 +697,11 @@ class SwitchBay(AclMixin, RevMixin, models.Model):
 
 
 class Dormitory(AclMixin, RevMixin, models.Model):
-    """A student accomodation/dormitory
-    Une résidence universitaire"""
+    """Dormitory.
+
+    Attributes:
+        name: the name of the dormitory.
+    """
 
     name = models.CharField(max_length=255)
 
@@ -644,7 +711,7 @@ class Dormitory(AclMixin, RevMixin, models.Model):
         verbose_name_plural = _("dormitories")
 
     def all_ap_in(self):
-        """Returns all ap of the dorms"""
+        """Get all the APs in the dormitory."""
         return AccessPoint.all_ap_in(self.building_set.all())
 
     @classmethod
@@ -660,8 +727,13 @@ class Dormitory(AclMixin, RevMixin, models.Model):
 
 
 class Building(AclMixin, RevMixin, models.Model):
-    """A building of a dormitory
-    Un batiment"""
+    """Building.
+
+    Attributes:
+        name: the name of the building.
+        dormitory: the dormitory of the building (a Dormitory can contain
+            multiple dormitories).
+    """
 
     name = models.CharField(max_length=255)
     dormitory = models.ForeignKey("Dormitory", on_delete=models.PROTECT)
@@ -672,7 +744,7 @@ class Building(AclMixin, RevMixin, models.Model):
         verbose_name_plural = _("buildings")
 
     def all_ap_in(self):
-        """Returns all ap of the building"""
+        """Get all the APs in the building."""
         return AccessPoint.all_ap_in(self)
 
     def get_name(self):
@@ -690,21 +762,32 @@ class Building(AclMixin, RevMixin, models.Model):
 
 
 class Port(AclMixin, RevMixin, models.Model):
-    """ Definition d'un port. Relié à un switch(foreign_key),
-    un port peut etre relié de manière exclusive à :
-    - une chambre (room)
-    - une machine (serveur etc) (machine_interface)
-    - un autre port (uplink) (related)
-    Champs supplémentaires :
-    - RADIUS (mode STRICT : connexion sur port uniquement si machine
-    d'un adhérent à jour de cotisation et que la chambre est également à
-    jour de cotisation
-    mode COMMON : vérification uniquement du statut de la machine
-    mode NO : accepte toute demande venant du port et place sur le vlan normal
-    mode BLOQ : rejet de toute authentification
-    - vlan_force : override la politique générale de placement vlan, permet
-    de forcer un port sur un vlan particulier. S'additionne à la politique
-    RADIUS"""
+    """Port of a switch.
+
+    A port is related exclusively to either:
+        * a room
+        * a machine, e.g. server
+        * another port
+    Behaviour according to the RADIUS mode:
+        * STRICT: connection only if the machine and room have access
+        * COMMON: check only the machine's state
+        * NO: accept only request coming from the port and set on the standard
+        VLAN.
+        * BLOQ: reject all requests.
+    The VLAN can be forced to override the general policy for VLAN setting.
+    This enables to force a port to a particular VLAN. It adds to the RADIUS
+    policy.
+
+    Attributes:
+        switch: the switch to which the port belongs.
+        port: the port number on the switch for the Port object.
+        room: the room to which the port is related.
+        machine_interface: the machine to which the port is related
+        related: the other port to which is port is related.
+        custom_profile: the port profile of the port.
+        state: whether the port is active.
+        details: the details to describre the port.
+    """
 
     switch = models.ForeignKey("Switch", related_name="ports", on_delete=models.CASCADE)
     port = models.PositiveIntegerField()
@@ -733,7 +816,7 @@ class Port(AclMixin, RevMixin, models.Model):
 
     @cached_property
     def pretty_name(self):
-        """More elaborated name for label on switch conf"""
+        """More elaborated name for label on switch configuration."""
         if self.related:
             return _("Uplink: ") + self.related.switch.short_name
         elif self.machine_interface:
@@ -745,14 +828,13 @@ class Port(AclMixin, RevMixin, models.Model):
 
     @cached_property
     def get_port_profile(self):
-        """Return the config profil for this port
-        :returns: the profile of self (port)
-
-        If is defined a custom profile, returns it
-        elIf a default profile is defined for its dormitory, returns it
-        Else, returns the global default profil
-        If not exists, create a nothing profile"""
+        """Get the configuration profile for this port.
 
+        Returns:
+            The custom profile if it exists, else the default profile of the
+            dormitory if it exists, else the global default profile, else the
+            nothing profile.
+        """
         if self.custom_profile:
             return self.custom_profile
         elif self.related:
@@ -779,26 +861,25 @@ class Port(AclMixin, RevMixin, models.Model):
         )
 
     def make_port_related(self):
-        """ Synchronise le port distant sur self"""
+        """Synchronise the related port with self."""
         related_port = self.related
         related_port.related = self
         related_port.save()
 
     def clean_port_related(self):
-        """ Supprime la relation related sur self"""
+        """Delete the related relation on self."""
         related_port = self.related_port
         related_port.related = None
         related_port.save()
 
     def clean(self):
-        """ Verifie que un seul de chambre, interface_parent et related_port
-        est rempli. Verifie que le related n'est pas le port lui-même....
-        Verifie que le related n'est pas déjà occupé par une machine ou une
-        chambre. Si ce n'est pas le cas, applique la relation related
-        Si un port related point vers self, on nettoie la relation
-        A priori pas d'autre solution que de faire ça à la main. A priori
-        tout cela est dans un bloc transaction, donc pas de problème de
-        cohérence"""
+        """
+        Check if the port is only related exclusively to either a room, a
+        machine or another port.
+        Check if the related port is not self and applies the relation to the
+        related port if the relation is correct.
+        Delete the relation if it points to self.
+        """
         if hasattr(self, "switch"):
             if self.port > self.switch.number:
                 raise ValidationError(
@@ -835,7 +916,13 @@ class Port(AclMixin, RevMixin, models.Model):
 
 
 class Room(AclMixin, RevMixin, models.Model):
-    """Une chambre/local contenant une prise murale"""
+    """Room.
+
+    Attributes:
+        name: the name of the room.
+        details: the details describing the room.
+        building: the building in which the room is located.
+    """
 
     name = models.CharField(max_length=255)
     details = models.CharField(max_length=255, blank=True)
@@ -853,7 +940,28 @@ class Room(AclMixin, RevMixin, models.Model):
 
 
 class PortProfile(AclMixin, RevMixin, models.Model):
-    """Contains the information of the ports' configuration for a switch"""
+    """Port profile.
+
+    Contains the information of the ports' configuration for a switch.
+
+    Attributes:
+        name: the name of the port profile.
+        profil_default: the type of default profile (room, AP, uplink etc.).
+        on_dormitory: the dormitory with this default port profile.
+        vlan_untagged: the VLAN untagged of the port profile.
+        vlan_tagged: the VLAN(s) tagged of the port profile.
+        radius_type: the type of RADIUS authentication (inactive, MAC-address
+            or 802.1X) of the port profile.
+        radius_mode: the RADIUS mode of the port profile.
+        speed: the port speed limit of the port profile.
+        mac_limit: the MAC limit of the port profile.
+        flow_control: whether flow control is enabled.
+        dhcp_snooping: whether DHCP snooping is enabled.
+        dhcpv6_snooping: whether DHCPv6 snooping is enabled.
+        arp_protect: whether ARP protection is enabled.
+        ra_guard: whether RA guard is enabled.
+        loop_protect: whether loop protection is enabled.
+    """
 
     TYPES = (("NO", "NO"), ("802.1X", "802.1X"), ("MAC-radius", _("MAC-RADIUS")))
     MODES = (("STRICT", "STRICT"), ("COMMON", "COMMON"))
@@ -983,7 +1091,7 @@ class PortProfile(AclMixin, RevMixin, models.Model):
         return ",".join(self.security_parameters_enabled)
 
     def clean(self):
-        """ Check that there is only one generic profil default"""
+        """Check that there is only one generic profile default."""
         super(PortProfile, self).clean()
         if (
             self.profil_default
@@ -1007,21 +1115,21 @@ class PortProfile(AclMixin, RevMixin, models.Model):
 
 @receiver(post_save, sender=AccessPoint)
 def ap_post_save(**_kwargs):
-    """Regeneration des noms des bornes vers le controleur"""
+    """Regenerate the AP names towards the controller."""
     regen("unifi-ap-names")
     regen("graph_topo")
 
 
 @receiver(post_delete, sender=AccessPoint)
 def ap_post_delete(**_kwargs):
-    """Regeneration des noms des bornes vers le controleur"""
+    """Regenerate the AP names towards the controller."""
     regen("unifi-ap-names")
     regen("graph_topo")
 
 
 @receiver(post_delete, sender=Stack)
 def stack_post_delete(**_kwargs):
-    """Vide les id des switches membres d'une stack supprimée"""
+    """Empty the stack member ID of switches when a stack is deleted."""
     Switch.objects.filter(stack=None).update(stack_member_id=None)
 
 
diff --git a/topologie/views.py b/topologie/views.py
index 3d3f742a..3b1aad30 100644
--- a/topologie/views.py
+++ b/topologie/views.py
@@ -20,18 +20,17 @@
 # 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
+Views for the 'topologie' app of re2o.
 
-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
+They are used to create, edit and delete:
+    * a port (add_port, edit_port, del_port)
+    * a switch: the views call forms for switches but also machines (domain,
+    interface and machine), send and save them at the same time.
+    TODO rationalise, enforce the creation of machines (interfaces, domains
+    etc.) in models and forms from 'topologie'
+    * a room (new_room, edit_room, del_room)
+    * a stack
+    * histories of all objects mentioned.
 """
 from __future__ import unicode_literals
 
@@ -105,7 +104,7 @@ from os.path import isfile
 @login_required
 @can_view_all(Switch)
 def index(request):
-    """ Vue d'affichage de tous les swicthes"""
+    """View used to display all switches."""
     switch_list = (
         Switch.objects.prefetch_related(
             Prefetch(
@@ -171,7 +170,7 @@ def index_port_profile(request):
 @can_view_all(Port)
 @can_view(Switch)
 def index_port(request, switch, switchid):
-    """ Affichage de l'ensemble des ports reliés à un switch particulier"""
+    """View used to display all ports related to the given switch."""
     port_list = (
         Port.objects.filter(switch=switch)
         .select_related("room__building__dormitory")
@@ -204,7 +203,7 @@ def index_port(request, switch, switchid):
 @login_required
 @can_view_all(Room)
 def index_room(request):
-    """ Affichage de l'ensemble des chambres"""
+    """View used to display all rooms."""
     room_list = Room.objects.select_related("building__dormitory")
     room_list = SortTable.sort(
         room_list,
@@ -220,7 +219,7 @@ def index_room(request):
 @login_required
 @can_view_all(AccessPoint)
 def index_ap(request):
-    """ Affichage de l'ensemble des bornes"""
+    """View used to display all APs."""
     ap_list = AccessPoint.objects.prefetch_related(
         Prefetch(
             "interface_set",
@@ -245,7 +244,7 @@ def index_ap(request):
 @login_required
 @can_view_all(Stack, Building, Dormitory, SwitchBay)
 def index_physical_grouping(request):
-    """Affichage de la liste des stacks (affiche l'ensemble des switches)"""
+    """View used to display the list of stacks (display all switches)."""
     stack_list = Stack.objects.prefetch_related(
         "switch_set__interface_set__domain__extension"
     )
@@ -293,7 +292,7 @@ def index_physical_grouping(request):
 @login_required
 @can_view_all(ModelSwitch, ConstructorSwitch)
 def index_model_switch(request):
-    """ Affichage de l'ensemble des modèles de switches"""
+    """View used to display all switch models."""
     model_switch_list = ModelSwitch.objects.select_related(
         "constructor"
     ).prefetch_related("switch_set__interface_set__domain")
@@ -323,7 +322,7 @@ def index_model_switch(request):
 @login_required
 @can_view_all(ModuleSwitch)
 def index_module(request):
-    """Display all modules of switchs"""
+    """View used to display all switch modules."""
     module_list = ModuleSwitch.objects.all()
     modular_switchs = (
         Switch.objects.filter(model__is_modular=True)
@@ -342,7 +341,7 @@ def index_module(request):
 @login_required
 @can_edit(Vlan)
 def edit_vlanoptions(request, vlan_instance, **_kwargs):
-    """ View used to edit options for switch of VLAN object """
+    """View used to edit options for switch of VLAN object."""
     vlan = EditOptionVlanForm(request.POST or None, instance=vlan_instance)
     if vlan.is_valid():
         if vlan.changed_data:
@@ -357,7 +356,7 @@ def edit_vlanoptions(request, vlan_instance, **_kwargs):
 @login_required
 @can_create(Port)
 def new_port(request, switchid):
-    """ Nouveau port"""
+    """View used to create ports."""
     try:
         switch = Switch.objects.get(pk=switchid)
     except Switch.DoesNotExist:
@@ -383,9 +382,10 @@ def new_port(request, switchid):
 @login_required
 @can_edit(Port)
 def edit_port(request, port_object, **_kwargs):
-    """ Edition d'un port. Permet de changer le switch parent et
-    l'affectation du port"""
+    """View used to edit ports.
 
+    It enables to change the related switch and the port assignment.
+    """
     port = EditPortForm(request.POST or None, instance=port_object)
     if port.is_valid():
         if port.changed_data:
@@ -410,7 +410,7 @@ def edit_port(request, port_object, **_kwargs):
 @login_required
 @can_delete(Port)
 def del_port(request, port, **_kwargs):
-    """ Supprime le port"""
+    """View used to delete ports."""
     if request.method == "POST":
         try:
             port.delete()
@@ -435,7 +435,7 @@ def del_port(request, port, **_kwargs):
 @login_required
 @can_create(Stack)
 def new_stack(request):
-    """Ajoute un nouveau stack : stackid_min, max, et nombre de switches"""
+    """View used to create stacks."""
     stack = StackForm(request.POST or None)
     if stack.is_valid():
         stack.save()
@@ -449,7 +449,7 @@ def new_stack(request):
 @login_required
 @can_edit(Stack)
 def edit_stack(request, stack, **_kwargs):
-    """Edition d'un stack (nombre de switches, nom...)"""
+    """View used to edit stacks."""
     stack = StackForm(request.POST or None, instance=stack)
     if stack.is_valid():
         if stack.changed_data:
@@ -464,7 +464,7 @@ def edit_stack(request, stack, **_kwargs):
 @login_required
 @can_delete(Stack)
 def del_stack(request, stack, **_kwargs):
-    """Supprime un stack"""
+    """View used to delete stacks."""
     if request.method == "POST":
         try:
             stack.delete()
@@ -487,8 +487,7 @@ def del_stack(request, stack, **_kwargs):
 @login_required
 @can_edit(Stack)
 def edit_switchs_stack(request, stack, **_kwargs):
-    """Permet d'éditer la liste des switches dans une stack et l'ajouter"""
-
+    """View used to edit the list of switches of the given stack."""
     if request.method == "POST":
         pass
     else:
@@ -500,9 +499,12 @@ def edit_switchs_stack(request, stack, **_kwargs):
 @login_required
 @can_create(Switch)
 def new_switch(request):
-    """ Creation d'un switch. Cree en meme temps l'interface et la machine
-    associée. Vue complexe. Appelle successivement les 4 models forms
-    adaptés : machine, interface, domain et switch"""
+    """View used to create switches.
+
+    At the same time, it creates the related interface and machine. The view
+    successively calls the 4 appropriate forms: machine, interface, domain and
+    switch.
+    """
     switch = NewSwitchForm(request.POST or None, user=request.user)
     interface = AddInterfaceForm(request.POST or None, user=request.user)
     domain = DomainForm(request.POST or None, user=request.user)
@@ -549,7 +551,7 @@ def new_switch(request):
 @login_required
 @can_create(Port)
 def create_ports(request, switchid):
-    """ Création d'une liste de ports pour un switch."""
+    """View used to create port lists for the given switch."""
     try:
         switch = Switch.objects.get(pk=switchid)
     except Switch.DoesNotExist:
@@ -578,9 +580,11 @@ def create_ports(request, switchid):
 @login_required
 @can_edit(Switch)
 def edit_switch(request, switch, switchid):
-    """ Edition d'un switch. Permet de chambre nombre de ports,
-    place dans le stack, interface et machine associée"""
+    """View used to edit switches.
 
+    It enables to change the number of ports, location in the stack, or the
+    related interface and machine.
+    """
     switch_form = EditSwitchForm(
         request.POST or None, instance=switch, user=request.user
     )
@@ -622,9 +626,11 @@ def edit_switch(request, switch, switchid):
 @login_required
 @can_create(AccessPoint)
 def new_ap(request):
-    """ Creation d'une ap. Cree en meme temps l'interface et la machine
-    associée. Vue complexe. Appelle successivement les 3 models forms
-    adaptés : machine, interface, domain et switch"""
+    """View used to create APs.
+
+    At the same time, it creates the related interface and machine. The view
+    successively calls the 3 appropriate forms: machine, interface, domain.
+    """
     ap = AddAccessPointForm(request.POST or None, user=request.user)
     interface = AddInterfaceForm(request.POST or None, user=request.user)
     domain = DomainForm(request.POST or None, user=request.user)
@@ -671,8 +677,7 @@ def new_ap(request):
 @login_required
 @can_edit(AccessPoint)
 def edit_ap(request, ap, **_kwargs):
-    """ Edition d'un switch. Permet de chambre nombre de ports,
-    place dans le stack, interface et machine associée"""
+    """View used to edit APs."""
     interface_form = EditInterfaceForm(
         request.POST or None, user=request.user, instance=ap.interface_set.first()
     )
@@ -723,7 +728,7 @@ def edit_ap(request, ap, **_kwargs):
 @login_required
 @can_create(Room)
 def new_room(request):
-    """Nouvelle chambre """
+    """View used to create rooms."""
     room = EditRoomForm(request.POST or None)
     if room.is_valid():
         room.save()
@@ -737,7 +742,7 @@ def new_room(request):
 @login_required
 @can_edit(Room)
 def edit_room(request, room, **_kwargs):
-    """ Edition numero et details de la chambre"""
+    """View used to edit rooms."""
     room = EditRoomForm(request.POST or None, instance=room)
     if room.is_valid():
         if room.changed_data:
@@ -752,7 +757,7 @@ def edit_room(request, room, **_kwargs):
 @login_required
 @can_delete(Room)
 def del_room(request, room, **_kwargs):
-    """ Suppression d'un chambre"""
+    """View used to delete rooms."""
     if request.method == "POST":
         try:
             room.delete()
@@ -777,7 +782,7 @@ def del_room(request, room, **_kwargs):
 @login_required
 @can_create(ModelSwitch)
 def new_model_switch(request):
-    """Nouveau modèle de switch"""
+    """View used to create switch models."""
     model_switch = EditModelSwitchForm(request.POST or None)
     if model_switch.is_valid():
         model_switch.save()
@@ -793,8 +798,7 @@ def new_model_switch(request):
 @login_required
 @can_edit(ModelSwitch)
 def edit_model_switch(request, model_switch, **_kwargs):
-    """ Edition d'un modèle de switch"""
-
+    """View used to edit switch models."""
     model_switch = EditModelSwitchForm(request.POST or None, instance=model_switch)
     if model_switch.is_valid():
         if model_switch.changed_data:
@@ -811,7 +815,7 @@ def edit_model_switch(request, model_switch, **_kwargs):
 @login_required
 @can_delete(ModelSwitch)
 def del_model_switch(request, model_switch, **_kwargs):
-    """ Suppression d'un modèle de switch"""
+    """View used to delete switch models."""
     if request.method == "POST":
         try:
             model_switch.delete()
@@ -838,7 +842,7 @@ def del_model_switch(request, model_switch, **_kwargs):
 @login_required
 @can_create(SwitchBay)
 def new_switch_bay(request):
-    """Nouvelle baie de switch"""
+    """View used to create switch bays."""
     switch_bay = EditSwitchBayForm(request.POST or None)
     if switch_bay.is_valid():
         switch_bay.save()
@@ -854,7 +858,7 @@ def new_switch_bay(request):
 @login_required
 @can_edit(SwitchBay)
 def edit_switch_bay(request, switch_bay, **_kwargs):
-    """ Edition d'une baie de switch"""
+    """View used to edit switch bays."""
     switch_bay = EditSwitchBayForm(request.POST or None, instance=switch_bay)
     if switch_bay.is_valid():
         if switch_bay.changed_data:
@@ -871,7 +875,7 @@ def edit_switch_bay(request, switch_bay, **_kwargs):
 @login_required
 @can_delete(SwitchBay)
 def del_switch_bay(request, switch_bay, **_kwargs):
-    """ Suppression d'une baie de switch"""
+    """View used to delete switch bays."""
     if request.method == "POST":
         try:
             switch_bay.delete()
@@ -898,8 +902,7 @@ def del_switch_bay(request, switch_bay, **_kwargs):
 @login_required
 @can_create(Building)
 def new_building(request):
-    """New Building of a dorm
-    Nouveau batiment"""
+    """View used to create buildings."""
     building = EditBuildingForm(request.POST or None)
     if building.is_valid():
         building.save()
@@ -915,8 +918,7 @@ def new_building(request):
 @login_required
 @can_edit(Building)
 def edit_building(request, building, **_kwargs):
-    """Edit a building
-    Edition d'un batiment"""
+    """View used to edit buildings."""
     building = EditBuildingForm(request.POST or None, instance=building)
     if building.is_valid():
         if building.changed_data:
@@ -931,8 +933,7 @@ def edit_building(request, building, **_kwargs):
 @login_required
 @can_delete(Building)
 def del_building(request, building, **_kwargs):
-    """Delete a building
-    Suppression d'un batiment"""
+    """View used to delete buildings."""
     if request.method == "POST":
         try:
             building.delete()
@@ -959,8 +960,7 @@ def del_building(request, building, **_kwargs):
 @login_required
 @can_create(Dormitory)
 def new_dormitory(request):
-    """A new dormitory
-    Nouvelle residence"""
+    """View used to create dormitories."""
     dormitory = EditDormitoryForm(request.POST or None)
     if dormitory.is_valid():
         dormitory.save()
@@ -976,8 +976,7 @@ def new_dormitory(request):
 @login_required
 @can_edit(Dormitory)
 def edit_dormitory(request, dormitory, **_kwargs):
-    """Edit a dormitory
-    Edition d'une residence"""
+    """View used to edit dormitories."""
     dormitory = EditDormitoryForm(request.POST or None, instance=dormitory)
     if dormitory.is_valid():
         if dormitory.changed_data:
@@ -994,8 +993,7 @@ def edit_dormitory(request, dormitory, **_kwargs):
 @login_required
 @can_delete(Dormitory)
 def del_dormitory(request, dormitory, **_kwargs):
-    """Delete a dormitory
-    Suppression d'une residence"""
+    """View used to delete dormitories."""
     if request.method == "POST":
         try:
             dormitory.delete()
@@ -1022,7 +1020,7 @@ def del_dormitory(request, dormitory, **_kwargs):
 @login_required
 @can_create(ConstructorSwitch)
 def new_constructor_switch(request):
-    """Nouveau constructeur de switch"""
+    """View used to create switch constructors."""
     constructor_switch = EditConstructorSwitchForm(request.POST or None)
     if constructor_switch.is_valid():
         constructor_switch.save()
@@ -1038,8 +1036,7 @@ def new_constructor_switch(request):
 @login_required
 @can_edit(ConstructorSwitch)
 def edit_constructor_switch(request, constructor_switch, **_kwargs):
-    """ Edition d'un constructeur de switch"""
-
+    """View used to edit switch constructors."""
     constructor_switch = EditConstructorSwitchForm(
         request.POST or None, instance=constructor_switch
     )
@@ -1058,7 +1055,7 @@ def edit_constructor_switch(request, constructor_switch, **_kwargs):
 @login_required
 @can_delete(ConstructorSwitch)
 def del_constructor_switch(request, constructor_switch, **_kwargs):
-    """ Suppression d'un constructeur de switch"""
+    """View used to delete switch constructors."""
     if request.method == "POST":
         try:
             constructor_switch.delete()
@@ -1085,7 +1082,7 @@ def del_constructor_switch(request, constructor_switch, **_kwargs):
 @login_required
 @can_create(PortProfile)
 def new_port_profile(request):
-    """Create a new port profile"""
+    """View used to create port profiles."""
     port_profile = EditPortProfileForm(request.POST or None)
     if port_profile.is_valid():
         port_profile.save()
@@ -1101,7 +1098,7 @@ def new_port_profile(request):
 @login_required
 @can_edit(PortProfile)
 def edit_port_profile(request, port_profile, **_kwargs):
-    """Edit a port profile"""
+    """View used to edit port profiles."""
     port_profile = EditPortProfileForm(request.POST or None, instance=port_profile)
     if port_profile.is_valid():
         if port_profile.changed_data:
@@ -1118,7 +1115,7 @@ def edit_port_profile(request, port_profile, **_kwargs):
 @login_required
 @can_delete(PortProfile)
 def del_port_profile(request, port_profile, **_kwargs):
-    """Delete a port profile"""
+    """View used to delete port profiles."""
     if request.method == "POST":
         try:
             port_profile.delete()
@@ -1136,7 +1133,7 @@ def del_port_profile(request, port_profile, **_kwargs):
 @login_required
 @can_create(ModuleSwitch)
 def add_module(request):
-    """ View used to add a Module object """
+    """View used to create switch modules."""
     module = EditModuleForm(request.POST or None)
     if module.is_valid():
         module.save()
@@ -1150,7 +1147,7 @@ def add_module(request):
 @login_required
 @can_edit(ModuleSwitch)
 def edit_module(request, module_instance, **_kwargs):
-    """ View used to edit a Module object """
+    """View used to edit switch modules."""
     module = EditModuleForm(request.POST or None, instance=module_instance)
     if module.is_valid():
         if module.changed_data:
@@ -1165,7 +1162,7 @@ def edit_module(request, module_instance, **_kwargs):
 @login_required
 @can_delete(ModuleSwitch)
 def del_module(request, module, **_kwargs):
-    """Compleete delete a module"""
+    """View used to delete switch modules."""
     if request.method == "POST":
         try:
             module.delete()
@@ -1190,7 +1187,7 @@ def del_module(request, module, **_kwargs):
 @login_required
 @can_create(ModuleOnSwitch)
 def add_module_on(request):
-    """Add a module to a switch"""
+    """View used to add a module to a switch."""
     module_switch = EditSwitchModuleForm(request.POST or None)
     if module_switch.is_valid():
         module_switch.save()
@@ -1206,7 +1203,7 @@ def add_module_on(request):
 @login_required
 @can_edit(ModuleOnSwitch)
 def edit_module_on(request, module_instance, **_kwargs):
-    """ View used to edit a Module object """
+    """View used to edit a module on a switch."""
     module = EditSwitchModuleForm(request.POST or None, instance=module_instance)
     if module.is_valid():
         if module.changed_data:
@@ -1221,7 +1218,7 @@ def edit_module_on(request, module_instance, **_kwargs):
 @login_required
 @can_delete(ModuleOnSwitch)
 def del_module_on(request, module, **_kwargs):
-    """Compleete delete a module"""
+    """View used to delete a module on a switch."""
     if request.method == "POST":
         try:
             module.delete()
@@ -1244,9 +1241,7 @@ def del_module_on(request, module, **_kwargs):
 
 
 def make_machine_graph():
-    """
-    Create the graph of switchs, machines and access points.
-    """
+    """Create the graph of switches, machines and access points."""
     dico = {
         "subs": [],
         "links": [],
@@ -1284,7 +1279,7 @@ def make_machine_graph():
                 "machines": [],
             }
         )
-        # Visit all switchs in this building
+        # Visit all switches in this building
         for switch in (
             Switch.objects.filter(switchbay__building=building)
             .prefetch_related(
@@ -1311,7 +1306,7 @@ def make_machine_graph():
                     "ports": [],
                 }
             )
-            # visit all ports of this switch and add the switchs linked to it
+            # visit all ports of this switch and add the switches linked to it
             for port in switch.ports.filter(related__isnull=False).select_related(
                 "related__switch"
             ):
@@ -1365,29 +1360,29 @@ def make_machine_graph():
             links, new_detected = recursive_switchs(missing[0], None, [missing[0]])
             for link in links:
                 dico["links"].append(link)
-            # Update the lists of missings and already detected switchs
+            # Update the lists of missings and already detected switches
             missing = [i for i in missing if i not in new_detected]
             detected += new_detected
-        # If the switch have no ports, don't explore it and hop to the next one
+        # If the switch has no ports, don't explore it and hop to the next one
         else:
             del missing[0]
-    # Switchs that are not connected or not in a building
+    # Switches that are not connected or not in a building
     for switch in Switch.objects.filter(switchbay__isnull=True).exclude(
         ports__related__isnull=False
     ):
         dico["alone"].append({"id": switch.id, "name": switch.get_name})
 
-    # generate the dot file
+    # Generate the dot file
     dot_data = generate_dot(dico, "topologie/graph_switch.dot")
 
     # Create a temporary file to store the dot data
     f = tempfile.NamedTemporaryFile(mode="w+", encoding="utf-8", delete=False)
     with f:
         f.write(dot_data)
-    unflatten = Popen(  # unflatten the graph to make it look better
+    unflatten = Popen(  # Unflatten the graph to make it look better
         ["unflatten", "-l", "3", f.name], stdout=PIPE
     )
-    Popen(  # pipe the result of the first command into the second
+    Popen(  # Pipe the result of the first command into the second
         ["dot", "-Tpng", "-o", MEDIA_ROOT + "/images/switchs.png"],
         stdin=unflatten.stdout,
         stdout=PIPE,
@@ -1395,10 +1390,15 @@ def make_machine_graph():
 
 
 def generate_dot(data, template):
-    """create the dot file
-    :param data: dictionary passed to the template
-    :param template: path to the dot template
-    :return: all the lines of the dot file"""
+    """Generate a dot file from the data and template given.
+
+    Args:
+        data: dictionary passed to the template.
+        template: path to the dot template.
+
+    Returns:
+        All the lines of the dot file.
+    """
     t = loader.get_template(template)
     if not isinstance(t, Template) and not (
         hasattr(t, "template") and isinstance(t.template, Template)
@@ -1415,18 +1415,19 @@ def generate_dot(data, template):
 
 
 def recursive_switchs(switch_start, switch_before, detected):
-    """Visit the switch and travel to the switchs linked to it.
-    :param switch_start: the switch to begin the visit on
-    :param switch_before: the switch that you come from.
-        None if switch_start is the first one
-    :param detected: list of all switchs already visited.
-        None if switch_start is the first one
-    :return: A list of all the links found and a list of
-        all the switchs visited
+    """Visit the switch and travel to the switches linked to it.
+
+    Args:
+        switch_start: the switch to begin the visit on.
+        switch_before: the switch that you come from. None if switch_start is the first one.
+        detected: list of all switches already visited. None if switch_start is the first one.
+
+    Returns:
+        A list of all the links found and a list of all the switches visited.
     """
     detected.append(switch_start)
-    links_return = []  # list of dictionaries of the links to be detected
-    # create links to every switchs below
+    links_return = []  # List of dictionaries of the links to be detected
+    # Create links to every switches below
     for port in switch_start.ports.filter(related__isnull=False):
         # Not the switch that we come from, not the current switch
         if (
@@ -1440,11 +1441,11 @@ def recursive_switchs(switch_start, switch_before, detected):
             }
             links_return.append(links)  # Add current and below levels links
 
-    # go down on every related switchs
+    # Go down on every related switches
     for port in switch_start.ports.filter(related__isnull=False):
         # The switch at the end of this link has not been visited
         if port.related.switch not in detected:
-            # explore it and get the results
+            # Explore it and get the results
             links_down, detected = recursive_switchs(
                 port.related.switch, switch_start, detected
             )