diff --git a/TODO b/TODO
index d07455a..bd669d2 100644
--- a/TODO
+++ b/TODO
@@ -22,5 +22,4 @@ x Repasser sur les tests
 x Changer les liens d'emergement, de paiements et ???, trouver de meilleurs dénominations
 
 Faire un refactoring des modèles
-
 Create an "url_for" utility to simplify URL management.
\ No newline at end of file
diff --git a/copanier/templates/base.html b/copanier/templates/base.html
index 78032f9..1e7f18a 100644
--- a/copanier/templates/base.html
+++ b/copanier/templates/base.html
@@ -27,18 +27,18 @@
                 <h1 id="sitename">{{ config.SITE_NAME }}</h1>
                 <ul class="pure-menu-list">
                     <li class="pure-menu-item">
-                        <a href="/"><i class="icon-happy"></i>&nbsp;Voir les distrib</a>
+                        <a href="{{ url_for('home') }}"><i class="icon-happy"></i>&nbsp;Voir les distrib</a>
                     </li>
                     {% if request.user and request.user.is_staff %}
                     <li class="pure-menu-item">
-                        <a href="/distribution"><i class="icon-hotairballoon"></i>&nbsp;Nouvelle distribution</a>
+                        <a href="{{ url_for('new_delivery') }}"><i class="icon-hotairballoon"></i>&nbsp;Nouvelle distribution</a>
                     </li>
                     {% endif %}
                     <li class="pure-menu-item">
-                        <a class="pure-menu-link" href="/groupes"><i class="icon-globe"></i>&nbsp;Gérer les groupes</a>
+                        <a class="pure-menu-link" href="{{ url_for('groups') }}"><i class="icon-globe"></i>&nbsp;Gérer les groupes</a>
                     </li>
                     <li class="pure-menu-item">
-                        <a href="/déconnexion" class="pure-menu-link"><i class="icon-lock"></i>&nbsp;Se déconnecter</a>
+                        <a href="{{ url_for('logout') }}"><i class="icon-lock"></i>&nbsp;Se déconnecter</a>
                     </li>
                 </ul>
             </div>
diff --git a/copanier/templates/delivery/adjust_product.html b/copanier/templates/delivery/adjust_product.html
index 63e0fcf..251866a 100644
--- a/copanier/templates/delivery/adjust_product.html
+++ b/copanier/templates/delivery/adjust_product.html
@@ -2,7 +2,7 @@
 
 {% block body %}
 <article>
-    <h3><a href="/distribution/{{ delivery.id }}">{{ delivery.producer }}</a> — Ajuster le produit «{{ product.name }}»</h3>
+    <h3><a href="{{ url_for('show_delivery', id=delivery.id) }}">{{ delivery.producer }}</a> — Ajuster le produit «{{ product.name }}»</h3>
     <p><strong>Conditionnement</strong> {{ product.packing }} x {{ product.unit }}</p>
     <p><strong>Total commandé</strong> {{ delivery.product_wanted(product) }}</p>
     <p><strong>Manquant</strong> {{ delivery.product_missing(product) }}</p>
diff --git a/copanier/templates/delivery/compute_balance.html b/copanier/templates/delivery/compute_balance.html
index 398e2d4..3edd02d 100644
--- a/copanier/templates/delivery/compute_balance.html
+++ b/copanier/templates/delivery/compute_balance.html
@@ -5,7 +5,7 @@
     <div class="pure-menu pure-menu-horizontal">
         <ul class="pure-menu-list">
             <li class="pure-menu-item">
-                <a class="pure-menu-link" href="/distribution/{{ delivery.id }}/paiements.pdf">Télécharger</a>
+                <a class="pure-menu-link" href="{{ url_for('compute_payments', id=delivery.id) }}.pdf">Télécharger</a>
             </li>
         </ul>
     </div>
diff --git a/copanier/templates/delivery/edit_delivery.html b/copanier/templates/delivery/edit_delivery.html
index 7029f56..e2636c4 100644
--- a/copanier/templates/delivery/edit_delivery.html
+++ b/copanier/templates/delivery/edit_delivery.html
@@ -1,5 +1,5 @@
 {% extends "base.html" %}
-{% block toplink %}{% if delivery.id %}<a href="/distribution/{{ delivery.id }}">↶ Retourner à la distribution</a>{% endif %}{% endblock %}
+{% block toplink %}{% if delivery.id %}<a href="{{ url_for('show_delivery', id=delivery.id) }}">↶ Retourner à la distribution</a>{% endif %}{% endblock %}
 {% block body %}
 <div class="header">
 {% if delivery.id %}
@@ -8,11 +8,11 @@
         <ul class="pure-menu-list">
             {% if delivery.status == delivery.CLOSED %}
             <li class="pure-menu-item">
-                <a class="pure-menu-link danger" href="/distribution/{{ delivery.id }}/archiver"><i class="icon-layers"></i>&nbsp;Archiver</a>
+                <a class="pure-menu-link danger" href="{{ url_for('archive_delivery', id=delivery.id) }}"><i class="icon-layers"></i>&nbsp;Archiver</a>
             </li>
             {% endif %}
             <li class="pure-menu-item">
-                <a class="pure-menu-link" href="/produits/{{ delivery.id }}"><i class="icon-pencil"></i> Gérer les produits / product⋅eur⋅rice⋅s</a>
+                <a class="pure-menu-link" href="{{ url_for('list_products', id=delivery.id) }}"><i class="icon-pencil"></i> Gérer les produits / product⋅eur⋅rice⋅s</a>
             </li>
         </ul>
     </div>
diff --git a/copanier/templates/delivery/list_deliveries.html b/copanier/templates/delivery/list_deliveries.html
index fb2bdc4..22a2185 100644
--- a/copanier/templates/delivery/list_deliveries.html
+++ b/copanier/templates/delivery/list_deliveries.html
@@ -6,10 +6,10 @@
     <div class="pure-menu pure-menu-horizontal">
         <ul class="pure-menu-list">
             <li class="pure-menu-item">
-                <a class="pure-menu-link" href="/distribution"><i class="icon-hotairballoon"></i>&nbsp;Créer une nouvelle distribution</a>&nbsp;
+                <a class="pure-menu-link" href="{{ url_for('new_delivery') }}"><i class="icon-hotairballoon"></i>&nbsp;Créer une nouvelle distribution</a>&nbsp;
             </li>
             <li class="pure-menu-item">
-                <a class="pure-menu-link" href="/archives"><i class="icon-telescope"></i>&nbsp;Voir les distributions archivées</a>&nbsp;
+                <a class="pure-menu-link" href="{{ url_for('list_archives') }}"><i class="icon-telescope"></i>&nbsp;Voir les distributions archivées</a>&nbsp;
             </li>
         </ul>
     </div>
diff --git a/copanier/templates/delivery/place_order.html b/copanier/templates/delivery/place_order.html
index bd7f6ce..d6e0770 100644
--- a/copanier/templates/delivery/place_order.html
+++ b/copanier/templates/delivery/place_order.html
@@ -57,7 +57,7 @@
     <input type="submit" value="Enregistrer la commande" class="primary">
     {% endif %}
     {% if request.user.is_staff and delivery.status == delivery.CLOSED %}
-    <a class="button danger" href="/distribution/{{ delivery.id }}/commander?email={{ person.email }}&adjust">Ajuster</a>
+    <a class="button danger" href="{{ url_for('place_order', id=delivery.id) }}?email={{ person.email }}&adjust">Ajuster</a>
     {% endif %}
 </form>
 </article>
diff --git a/copanier/templates/delivery/prepare_referent_email.html b/copanier/templates/delivery/prepare_referent_email.html
index 4c61137..ba79004 100644
--- a/copanier/templates/delivery/prepare_referent_email.html
+++ b/copanier/templates/delivery/prepare_referent_email.html
@@ -1,5 +1,5 @@
 {% extends "base.html" %}
-{% block toplink %}<a href="/distribution/{{ delivery.id }}/gérer">↶ Retourner à la boîte à outils</a>{% endblock %}
+{% block toplink %}<a href="{{ url_for('show_delivery_toolbox', id=delivery.id) }}">↶ Retourner à la boîte à outils</a>{% endblock %}
 
 {% block body %}
 <h1>Envoi d'un mail aux référent⋅e⋅s</h1>
@@ -13,7 +13,7 @@ Bonjour,
 Et voilà, les commandes maintenant terminées, il est maintenant temps de passer à l'action !
 En pièce-jointe, les informations pour les producteurs⋅rices dont tu est référent⋅e.
 
-Tu peux aussi retrouver le doc à cette URL : https://{{ request.host }}/produits/{{ delivery.id }}
+Tu peux aussi retrouver le doc à cette URL : https://{{ request.host }}{{ url_for('list_products', id=delivery.id) }}
 
 Rendez-vous pour la distribution, le {{ delivery.from_date|date }} de {{ delivery.from_date|time }} à {{ delivery.to_date|time }} à {{ delivery.where }}.
 
diff --git a/copanier/templates/delivery/show_delivery.html b/copanier/templates/delivery/show_delivery.html
index 3cb23d8..bd0665e 100644
--- a/copanier/templates/delivery/show_delivery.html
+++ b/copanier/templates/delivery/show_delivery.html
@@ -21,26 +21,26 @@
             <li class="pure-menu-item pure-menu-has-children pure-menu-allow-hover">
                 <a href="#" class="pure-menu-link"><i class="icon-printer"></i>&nbsp;Imprimer…</a>
                 <ul class="pure-menu-children">
-                    <li class="pure-menu-item"><a href="/produits/{{ delivery.id }}/produits.pdf" class="pure-menu-link"><i class="icon-ribbon"></i>&nbsp;Commande producteurs⋅rices</a></li>
-                    <li class="pure-menu-item"><a href="/distribution/{{ delivery.id }}/résumé-de-commandes" class="pure-menu-link"><i class="icon-grid"></i>&nbsp;Résumé de commande par groupe</a></li>
-                    <li class="pure-menu-item"><a href="/distribution/{{ delivery.id }}/paiements" class="pure-menu-link"><i class="icon-wallet"></i>&nbsp;Répartition des paiements</a></li>
+                    <li class="pure-menu-item"><a href="{{ url_for('list_products', id=delivery.id) }}/produits.pdf" class="pure-menu-link"><i class="icon-ribbon"></i>&nbsp;Commande producteurs⋅rices</a></li>
+                    <li class="pure-menu-item"><a href="{{ url_for('orders_summary', id=delivery.id) }}" class="pure-menu-link"><i class="icon-grid"></i>&nbsp;Résumé de commande par groupe</a></li>
+                    <li class="pure-menu-item"><a href="{{ url_for('compute_payments', id=delivery.id) }}" class="pure-menu-link"><i class="icon-wallet"></i>&nbsp;Répartition des paiements</a></li>
                 </ul>
             </li>
-        {% if request['user'].email == delivery.contact and delivery.status > delivery.EMPTY %}
-            <li class="pure-menu-item"><a class="pure-menu-link" href="/distribution/{{ delivery.id }}/gérer"><i class="icon-tools"></i>&nbsp;Boîte à outils</a></li>        {% endif %}
-        {% if request.user and request.user.is_staff %}
-        {% if delivery.is_archived %}
+            {% if request['user'].email == delivery.contact and delivery.status > delivery.EMPTY %}
+            <li class="pure-menu-item"><a class="pure-menu-link" href="{{ url_for('show_delivery_toolbox', id=delivery.id) }}"><i class="icon-tools"></i>&nbsp;Boîte à outils</a></li>        {% endif %}
+            {% if request.user and request.user.is_staff %}
+            {% if delivery.is_archived %}
             <li class="pure-menu-item">
-                <a class="pure-menu-link" href="/distribution/{{ delivery.id }}/désarchiver"><i class="icon-hazardous"></i>&nbsp;Désarchiver</a>
+                <a class="pure-menu-link" href="{{ url_for('unarchive_delivery', id=delivery.id) }}"><i class="icon-hazardous"></i>&nbsp;Désarchiver</a>
             </li>
-        {% endif %}
+            {% endif %}
             <li class="pure-menu-item">
-                <a class="pure-menu-link" href="/distribution/{{ delivery.id }}/edit"><i class="icon-adjustments"></i>&nbsp;Modifier la distrib</a>
+                <a class="pure-menu-link" href="{{ url_for('edit_delivery', id=delivery.id) }}"><i class="icon-adjustments"></i>&nbsp;Modifier la distrib</a>
             </li>
             <li class="pure-menu-item">
-                <a class="pure-menu-link" href="/produits/{{ delivery.id }}"><i class="icon-pricetags"></i>&nbsp;Produits</a>
+                <a class="pure-menu-link" href="{{ url_for('list_products', id=delivery.id) }}"><i class="icon-pricetags"></i>&nbsp;Produits</a>
             </li>
-        {% endif %}
+            {% endif %}
             </ul
             </li>
         </ul>
@@ -54,7 +54,7 @@
 {% if delivery.has_products %}
     {% for (id, producer) in delivery.get_producers_for_referent(request.user.email).items() %}
     {% if producer.needs_price_update(delivery) %}
-    <p class="notification info">Merci de <a href="/produits/{{ delivery.id }}/producteurs/{{ producer.id}}">mettre à jour les prix pour « {{ producer.name }} ».</a></p>
+    <p class="notification info">Merci de <a href="{{ url_for('edit_producer', delivery_id=delivery.id, producer_id=producer.id) }}">mettre à jour les prix pour « {{ producer.name }} ».</a></p>
     {% endif %}
     {% endfor %}
     {% include "includes/delivery_table.html" %}
@@ -64,8 +64,8 @@
     {% if request.user and request.user.is_staff %}
         Occupons-nous donc de ça ! Deux options :
         <ol>
-            <li><a href="/produits/{{ delivery.id }}/producteurs/créer">Ajouter les product⋅eurs⋅rices</a> à la main ;</li>
-            <li>Ou bien <a href="/produits/{{ delivery.id }}/copier">copier les produits d'une autre distribution</a>.</li>
+            <li><a href="{{ url_for('create_producer', id=delivery.id) }}">Ajouter les product⋅eurs⋅rices</a> à la main ;</li>
+            <li>Ou bien <a href="{{ url_for('copy_products', id=delivery.id) }}">copier les produits d'une autre distribution</a>.</li>
         </ol>
     </div>
     {% endif %}
diff --git a/copanier/templates/delivery/show_toolbox.html b/copanier/templates/delivery/show_toolbox.html
index 871367c..a4d4e01 100644
--- a/copanier/templates/delivery/show_toolbox.html
+++ b/copanier/templates/delivery/show_toolbox.html
@@ -1,6 +1,6 @@
 {% extends "base.html" %}
 
-{% block toplink %}<a href="/distribution/{{ delivery.id }}">↶ Retourner à la distribution</a>{% endblock %}
+{% block toplink %}<a href="{{ url_for('show_delivery', id=delivery.id) }}">↶ Retourner à la distribution</a>{% endblock %}
 
 {% block body %}
 
@@ -46,19 +46,19 @@
         <tr>
             <th>Approvisionnements</th>
             <td>Du {{ delivery.dates.adjustment_deadline | date }} au {{ delivery.dates.delivery_date | date }}</td>
-            <td><a href="/distribution/{{ delivery.id }}/envoi-email-referentes">Envoyer les infos de commande aux référent⋅e⋅s</a></td>
+            <td><a href="{{ url_for('send_referent_emails', id=delivery.id) }}">Envoyer les infos de commande aux référent⋅e⋅s</a></td>
             <td>Faire les commandes aux producteurs⋅rices, <strong>récupérer les produits</strong></td>
         </tr>
         <tr>
             <th>Préparation de la distribution</th>
             <td>La veille du {{ delivery.dates.delivery_date | date }}</td>
-            <td><a href="/distribution/{{ delivery.id }}/résumé-de-commandes">Imprimer les bons de commandes par colocation</a></td>
+            <td><a href="{{ url_for('show_orders_summary', id=delivery.id) }}">Imprimer les bons de commandes par colocation</a></td>
             <td>—</td>
         </tr>
         <tr>
             <th>Distribution</th>
             <td>{{ delivery.dates.delivery_date | date }}</td>
-            <td>Coordoner la distribution, <a href="/distribution/{{ delivery.id }}/paiements">faire la répartition des chèques</a></td>
+            <td>Coordoner la distribution, <a href="{{ url_for('compute_payments', id=delivery.id) }}">faire la répartition des chèques</a></td>
             <td>Arriver 30mn avant le début de la distribution, répartir les produits par coloc</td>
         </tr>
     </tbody>
diff --git a/copanier/templates/includes/delivery_list.html b/copanier/templates/includes/delivery_list.html
index 869900b..b5382c5 100644
--- a/copanier/templates/includes/delivery_list.html
+++ b/copanier/templates/includes/delivery_list.html
@@ -2,7 +2,7 @@
 <ul class="delivery">
 {% for delivery in deliveries %}
 <li>
-    <h3><a href="/distribution/{{ delivery.id }}"><i class="icon-hotairballoon"></i> {{ delivery.name }}</a> {% include "includes/order_button.html" %} <a class="button" href="/distribution/{{ delivery.id }}">Voir les commandes</a></h3>
+    <h3><a href="{{ url_for('show_delivery', id=delivery.id) }}"><i class="icon-hotairballoon"></i> {{ delivery.name }}</a> {% include "includes/order_button.html" %} <a class="button" href="{{ url_for('show_delivery', id=delivery.id) }}">Voir les commandes</a></h3>
     {% include "includes/delivery_head.html" %}
 </li>
 <hr>
diff --git a/copanier/views/core.py b/copanier/views/core.py
index 1d74400..30b7682 100644
--- a/copanier/views/core.py
+++ b/copanier/views/core.py
@@ -18,6 +18,7 @@ class Response(RollResponse):
         context["request"] = self.request
         context["config"] = config
         context["request"] = self.request
+        context["url_for"] = app.url_for
         if self.request.cookies.get("message"):
             context["message"] = json.loads(self.request.cookies["message"])
             self.cookies.set("message", "")
@@ -64,6 +65,17 @@ class Response(RollResponse):
         self.cookies.set("message", json.dumps((text, status)))
 
 
+def get_function_name(node):
+    if not node.payload:
+        return False
+
+    func = node.payload["GET"]
+    if hasattr(func, "decorates"):
+        return func.decorates.__name__
+    else:
+        return func.__name__
+
+
 class Roll(BaseRoll):
     Response = Response
 
@@ -78,10 +90,29 @@ class Roll(BaseRoll):
     def register_context(self, func):
         self._context_func.append(func)
 
-    def url_for(self, view_name):
-        from pdb import set_trace
+    def _find_route_by_name(self, name, node=None):
+        node = node or self.routes.root
+        if get_function_name(node) == name:
+            return node
 
-        set_trace()
+        if node.edges:
+            for edge in node.edges:
+                if edge.child:
+                    route = self._find_route_by_name(name, edge.child)
+                    if route:
+                        return route
+
+    def url_for(self, name, *args, **kwargs):
+        route = self._find_route_by_name(name)
+        if not route:
+            from pdb import set_trace
+
+            set_trace()
+            raise Exception(f"Route for '{name}' wasn't found")
+        try:
+            return route.path.format(*args, **kwargs)
+        except KeyError as e:
+            raise Exception(f"Unable to build URL for {name} : '{e}' is missing")
 
 
 def staff_only(view):
@@ -93,6 +124,7 @@ def staff_only(view):
             return
         return await view(request, response, *args, **kwargs)
 
+    decorator.decorates = view
     return decorator
 
 
diff --git a/copanier/views/delivery.py b/copanier/views/delivery.py
index 2fc8bee..ce54656 100644
--- a/copanier/views/delivery.py
+++ b/copanier/views/delivery.py
@@ -28,7 +28,7 @@ async def home(request, response):
 
 
 @app.route("/archives", methods=["GET"])
-async def view_archives(request, response):
+async def list_archives(request, response):
     response.html(
         "delivery/list_archives.html", {"deliveries": Delivery.all(is_archived=True)}
     )
@@ -90,7 +90,7 @@ async def pdf_for_producer(request, response, id, producer):
 
 
 @app.route("/distribution/{id}/gérer", methods=["GET"])
-async def delivery_toolbox(request, response, id):
+async def show_delivery_toolbox(request, response, id):
     delivery = Delivery.load(id)
     response.html(
         "delivery/show_toolbox.html",
@@ -174,7 +174,7 @@ async def post_delivery(request, response, id):
 
 
 @app.route("/distribution/{id}", methods=["GET"])
-async def view_delivery(request, response, id):
+async def show_delivery(request, response, id):
     delivery = Delivery.load(id)
     response.html("delivery/show_delivery.html", {"delivery": delivery})
 
@@ -273,7 +273,7 @@ async def place_order(request, response, id):
 
 
 @app.route("/distribution/{id}/résumé-de-commandes", methods=["GET"])
-async def orders_summary(request, response, id):
+async def show_orders_summary(request, response, id):
     delivery = Delivery.load(id)
     response.pdf(
         "delivery/show_orders_summary.html",
@@ -324,7 +324,7 @@ async def adjust_product(request, response, id, ref):
 @app.route("/distribution/{id}/paiements", methods=["GET"])
 @app.route("/distribution/{id}/paiements.pdf", methods=["GET"])
 @staff_only
-async def delivery_balance(request, response, id):
+async def compute_payments(request, response, id):
     delivery = Delivery.load(id)
     groups = request["groups"]
 
diff --git a/copanier/views/groups.py b/copanier/views/groups.py
index 6375bd3..807de5d 100644
--- a/copanier/views/groups.py
+++ b/copanier/views/groups.py
@@ -9,7 +9,7 @@ async def on_startup():
 
 
 @app.route("/groupes", methods=["GET"])
-async def handle_groups(request, response):
+async def groups(request, response):
     response.html("groups/list_groups.html", {"groups": request["groups"]})
 
 
diff --git a/copanier/views/login.py b/copanier/views/login.py
index 59db27d..66d0856 100644
--- a/copanier/views/login.py
+++ b/copanier/views/login.py
@@ -34,7 +34,7 @@ async def auth_required(request, response):
 
 
 @app.route("/connexion", methods=["GET"], unprotected=True)
-async def sesame(request, response):
+async def connexion(request, response):
     response.html("login.html")
 
 
diff --git a/copanier/views/products.py b/copanier/views/products.py
index 0fb4927..79e56b7 100644
--- a/copanier/views/products.py
+++ b/copanier/views/products.py
@@ -242,7 +242,7 @@ async def set_shipping_price(request, response, delivery_id, producer_id):
 
 
 @app.route("/produits/{id}/copier", methods=["GET"])
-async def copy_products_get(request, response, id):
+async def copy_products(request, response, id):
     deliveries = Delivery.all()
     response.html("products/copy_products.html", {"deliveries": deliveries})