diff --git a/app/__init__.py b/app/__init__.py
index 0943a91f..969c9766 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -33,6 +33,7 @@ from app.scodoc.sco_exceptions import (
 )
 from config import DevConfig
 import sco_version
+from flask_debugtoolbar import DebugToolbarExtension
 
 db = SQLAlchemy()
 migrate = Migrate(compare_type=True)
@@ -187,6 +188,7 @@ def create_app(config_class=DevConfig):
     moment.init_app(app)
     cache.init_app(app)
     sco_cache.CACHE = cache
+    toolbar = DebugToolbarExtension(app)
 
     app.register_error_handler(ScoGenError, handle_sco_value_error)
     app.register_error_handler(ScoValueError, handle_sco_value_error)
diff --git a/app/scodoc/sco_config_actions.py b/app/scodoc/sco_config_actions.py
new file mode 100644
index 00000000..bf633a26
--- /dev/null
+++ b/app/scodoc/sco_config_actions.py
@@ -0,0 +1,181 @@
+# -*- mode: python -*-
+# -*- coding: utf-8 -*-
+
+##############################################################################
+#
+# ScoDoc
+#
+# Copyright (c) 1999 - 2021 Emmanuel Viennet.  All rights reserved.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+#   Emmanuel Viennet      emmanuel.viennet@viennet.net
+#
+##############################################################################
+
+"""
+Module main: page d'accueil, avec liste des départements
+
+Emmanuel Viennet, 2021
+"""
+from app.models import ScoDocSiteConfig
+from app.scodoc.sco_logos import write_logo, find_logo, delete_logo
+import app
+from flask import current_app
+
+
+class Action:
+    """Base class for all classes describing an action from from config form."""
+
+    def __init__(self, message, parameters):
+        self.message = message
+        self.parameters = parameters
+
+    @staticmethod
+    def build_action(parameters, stream=None):
+        """Check (from parameters) if some action has to be done and
+        then return list of action (or else return empty list)."""
+        raise NotImplementedError
+
+    def display(self):
+        """return a str describing the action to be done"""
+        return self.message.format_map(self.parameters)
+
+    def execute(self):
+        """Executes the action"""
+        raise NotImplementedError
+
+
+GLOBAL = "_"
+
+
+class LogoUpdate(Action):
+    """Action: change a logo
+    dept_id: dept_id or '_',
+    logo_id: logo_id,
+    upload: image file replacement
+    """
+
+    def __init__(self, parameters):
+        super().__init__(
+            f"Modification du logo {parameters['logo_id']} pour le département {parameters['dept_id']}",
+            parameters,
+        )
+
+    @staticmethod
+    def build_action(parameters):
+        dept_id = parameters["dept_key"]
+        if dept_id == GLOBAL:
+            dept_id = None
+        parameters["dept_id"] = dept_id
+        if parameters["upload"] is not None:
+            return LogoUpdate(parameters)
+        return None
+
+    def execute(self):
+        current_app.logger.info(self.message)
+        write_logo(
+            stream=self.parameters["upload"],
+            dept_id=self.parameters["dept_id"],
+            name=self.parameters["logo_id"],
+        )
+
+
+class LogoDelete(Action):
+    """Action: Delete an existing logo
+    dept_id: dept_id or '_',
+    logo_id: logo_id
+    """
+
+    def __init__(self, parameters):
+        super().__init__(
+            f"Suppression du logo {parameters['logo_id']} pour le département {parameters['dept_id']}.",
+            parameters,
+        )
+
+    @staticmethod
+    def build_action(parameters):
+        parameters["dept_id"] = parameters["dept_key"]
+        if parameters["dept_key"] == GLOBAL:
+            parameters["dept_id"] = None
+        if parameters["do_delete"]:
+            return LogoDelete(parameters)
+        return None
+
+    def execute(self):
+        current_app.logger.info(self.message)
+        delete_logo(name=self.parameters["logo_id"], dept_id=self.parameters["dept_id"])
+
+
+class LogoInsert(Action):
+    """Action: add a new logo
+    dept_key: dept_id or '_',
+    logo_id: logo_id,
+    upload: image file replacement
+    """
+
+    def __init__(self, parameters):
+        super().__init__(
+            f"Ajout du logo {parameters['name']} pour le département {parameters['dept_key']} ({parameters['upload']}).",
+            parameters,
+        )
+
+    @staticmethod
+    def build_action(parameters):
+        if parameters["dept_key"] == GLOBAL:
+            parameters["dept_id"] = None
+        if parameters["upload"] and parameters["name"]:
+            logo = find_logo(
+                logoname=parameters["name"], dept_id=parameters["dept_key"]
+            )
+            if logo is None:
+                return LogoInsert(parameters)
+        return None
+
+    def execute(self):
+        dept_id = self.parameters["dept_key"]
+        if dept_id == GLOBAL:
+            dept_id = None
+        current_app.logger.info(self.message)
+        write_logo(
+            stream=self.parameters["upload"],
+            name=self.parameters["name"],
+            dept_id=dept_id,
+        )
+
+
+class BonusSportUpdate(Action):
+    """Action: Change bonus_sport_function_name.
+    bonus_sport_function_name: the new value"""
+
+    def __init__(self, parameters):
+        super().__init__(
+            f"Changement du calcul de bonus sport pour ({parameters['bonus_sport_func_name']}).",
+            parameters,
+        )
+
+    @staticmethod
+    def build_action(parameters):
+        if (
+            parameters["bonus_sport_func_name"]
+            != ScoDocSiteConfig.get_bonus_sport_func_name()
+        ):
+            return [BonusSportUpdate(parameters)]
+        return []
+
+    def execute(self):
+        current_app.logger.info(self.message)
+        ScoDocSiteConfig.set_bonus_sport_func(self.parameters["bonus_sport_func_name"])
+        app.clear_scodoc_cache()
diff --git a/app/scodoc/sco_config_form.py b/app/scodoc/sco_config_form.py
new file mode 100644
index 00000000..d5ee87a9
--- /dev/null
+++ b/app/scodoc/sco_config_form.py
@@ -0,0 +1,402 @@
+# -*- mode: python -*-
+# -*- coding: utf-8 -*-
+
+##############################################################################
+#
+# ScoDoc
+#
+# Copyright (c) 1999 - 2021 Emmanuel Viennet.  All rights reserved.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+#   Emmanuel Viennet      emmanuel.viennet@viennet.net
+#
+##############################################################################
+
+"""
+Module main: page d'accueil, avec liste des départements
+
+Emmanuel Viennet, 2021
+"""
+import re
+
+from flask import flash, url_for, redirect, render_template
+from flask_wtf import FlaskForm
+from flask_wtf.file import FileField, FileAllowed
+from wtforms import SelectField, SubmitField, FormField, validators, FieldList
+from wtforms.fields.simple import BooleanField, StringField, HiddenField
+
+from app import AccessDenied
+from app.models import Departement
+from app.models import ScoDocSiteConfig
+from app.scodoc import sco_logos, html_sco_header
+from app.scodoc import sco_utils as scu
+from app.scodoc.sco_config_actions import (
+    LogoDelete,
+    LogoUpdate,
+    LogoInsert,
+    BonusSportUpdate,
+)
+
+from flask_login import current_user
+
+from app.scodoc.sco_logos import find_logo
+
+JAVASCRIPTS = html_sco_header.BOOTSTRAP_MULTISELECT_JS + []
+
+CSSSTYLES = html_sco_header.BOOTSTRAP_MULTISELECT_CSS
+
+# class ItemForm(FlaskForm):
+#     """Unused Generic class to document common behavior for classes
+#     * ScoConfigurationForm
+#     * DeptForm
+#     * LogoForm
+#     Some or all of these implements:
+#         * Composite design pattern (ScoConfigurationForm and DeptForm)
+#             - a FieldList(FormField(ItemForm))
+#             - FieldListItem are created by browsing the model
+#             - index dictionnary to provide direct access to a SubItemForm
+#             - the direct access method (get_form)
+#         * have some information added to be displayed
+#             - information are collected from a model object
+#     Common methods:
+#         * build(model) (not for LogoForm who has no child)
+#             for each child:
+#                 * create en entry in the FieldList for each subitem found
+#                 * update self.index
+#                 * fill_in additional information into the form
+#                 * recursively calls build for each chid
+#             some spécific information may be added after standard processing
+#             (typically header/footer description)
+#          * preview(data)
+#             check the data from a post and build a list of operations that has to be done.
+#             for a two phase process:
+#               * phase 1 (list all opérations)
+#               * phase 2 (may be confirmation and execure)
+#                   - if no op found: return to the form with a message 'Aucune modification trouvée'
+#                   - only one operation found: execute and go to main page
+#                   - more than 1 operation found. asked form confirmation (and execution if confirmed)
+#
+#     Someday we'll have time to refactor as abstract classes but Abstract FieldList makes this a bit complicated
+#     """
+
+#  Terminology:
+# dept_id : identifies a dept in modele (= list_logos()). None designates globals logos
+# dept_key : identifies a dept in this form only (..index[dept_key], and fields 'dept_key').
+#           'GLOBAL' designates globals logos (we need a string value to set up HiddenField
+GLOBAL = "_"
+
+
+def dept_id_to_key(dept_id):
+    if dept_id is None:
+        return GLOBAL
+    return dept_id
+
+
+def dept_key_to_id(dept_key):
+    if dept_key == GLOBAL:
+        return None
+    return dept_key
+
+
+class AddLogoForm(FlaskForm):
+    """Formulaire permettant l'ajout d'un logo (dans un département)"""
+
+    dept_key = HiddenField()
+    name = StringField(
+        label="Nom",
+        validators=[
+            validators.regexp(
+                r"^[a-zA-Z0-9-]*$",
+                re.IGNORECASE,
+                "Ne doit comporter que lettres, chiffres ou -",
+            ),
+            validators.Length(
+                max=20, message="Un nom ne doit pas dépasser 20 caractères"
+            ),
+            validators.required("Nom de logo requis (alphanumériques ou '-')"),
+        ],
+    )
+    upload = FileField(
+        label="Sélectionner l'image",
+        validators=[
+            FileAllowed(
+                scu.LOGOS_IMAGES_ALLOWED_TYPES,
+                f"n'accepte que les fichiers image {', '.join(scu.LOGOS_IMAGES_ALLOWED_TYPES)}",
+            ),
+            validators.required("Fichier image manquant"),
+        ],
+    )
+    do_insert = SubmitField("ajouter une image")
+
+    def __init__(self, *args, **kwargs):
+        kwargs["meta"] = {"csrf": False}
+        super().__init__(*args, **kwargs)
+
+    def validate_name(self, name):
+        dept_id = dept_key_to_id(self.dept_key.data)
+        if dept_id == GLOBAL:
+            dept_id = None
+        if find_logo(logoname=name.data, dept_id=dept_id) is not None:
+            raise validators.ValidationError("Un logo de même nom existe déjà")
+
+    def select_action(self):
+        if self.data["do_insert"]:
+            if self.validate():
+                return LogoInsert.build_action(self.data)
+        return None
+
+
+class LogoForm(FlaskForm):
+    """Embed both presentation of a logo (cf. template file configuration.html)
+    and all its data and UI action (change, delete)"""
+
+    dept_key = HiddenField()
+    logo_id = HiddenField()
+    upload = FileField(
+        label="Remplacer l'image",
+        validators=[
+            FileAllowed(
+                scu.LOGOS_IMAGES_ALLOWED_TYPES,
+                f"n'accepte que les fichiers image {', '.join(scu.LOGOS_IMAGES_ALLOWED_TYPES)}",
+            )
+        ],
+    )
+    do_delete = SubmitField("Supprimer l'image")
+
+    def __init__(self, *args, **kwargs):
+        kwargs["meta"] = {"csrf": False}
+        super().__init__(*args, **kwargs)
+        self.logo = find_logo(
+            logoname=self.logo_id.data, dept_id=dept_key_to_id(self.dept_key.data)
+        ).select()
+        self.description = None
+        self.titre = None
+        self.can_delete = True
+        if self.dept_key.data == GLOBAL:
+            if self.logo_id.data == "header":
+                self.can_delete = False
+                self.description = ""
+                self.titre = "Logo en-tête"
+            if self.logo_id.data == "footer":
+                self.can_delete = False
+                self.titre = "Logo pied de page"
+                self.description = ""
+        else:
+            if self.logo_id.data == "header":
+                self.description = "Se substitue au header défini au niveau global"
+                self.titre = "Logo en-tête"
+            if self.logo_id.data == "footer":
+                self.description = "Se substitue au footer défini au niveau global"
+                self.titre = "Logo pied de page"
+
+    def select_action(self):
+        if self.do_delete.data and self.can_delete:
+            return LogoDelete.build_action(self.data)
+        if self.upload.data and self.validate():
+            return LogoUpdate.build_action(self.data)
+        return None
+
+
+class DeptForm(FlaskForm):
+    dept_key = HiddenField()
+    dept_name = HiddenField()
+    add_logo = FormField(AddLogoForm)
+    logos = FieldList(FormField(LogoForm))
+
+    def __init__(self, *args, **kwargs):
+        kwargs["meta"] = {"csrf": False}
+        super().__init__(*args, **kwargs)
+
+    def is_local(self):
+        if self.dept_key.data == GLOBAL:
+            return None
+        return True
+
+    def select_action(self):
+        action = self.add_logo.form.select_action()
+        if action:
+            return action
+        for logo_entry in self.logos.entries:
+            logo_form = logo_entry.form
+            action = logo_form.select_action()
+            if action:
+                return action
+        return None
+
+    def get_form(self, logoname=None):
+        """Retourne le formulaire associé à un logo. None si pas trouvé"""
+        if logoname is None:  # recherche de département
+            return self
+        return self.index.get(logoname, None)
+
+
+def _make_dept_id_name():
+    """Cette section assute que tous les départements sont traités (y compris ceux qu'ont pas de logo au départ)
+    et détermine l'ordre d'affichage des DeptForm (GLOBAL d'abord, puis par ordre alpha de nom de département)
+    -> [ (None, None), (dept_id, dept_name)...  ]"""
+    depts = [(None, GLOBAL)]
+    for dept in (
+        Departement.query.filter_by(visible=True).order_by(Departement.acronym).all()
+    ):
+        depts.append((dept.id, dept.acronym))
+    return depts
+
+
+def _ordered_logos(modele):
+    """sort logoname alphabetically but header and footer moved at start. (since there is no space in logoname)"""
+
+    def sort(name):
+        if name == "header":
+            return " 0"
+        if name == "footer":
+            return " 1"
+        return name
+
+    order = sorted(modele.keys(), key=sort)
+    return order
+
+
+def _make_dept_data(dept_id, dept_name, modele):
+    dept_key = dept_id_to_key(dept_id)
+    data = {
+        "dept_key": dept_key,
+        "dept_name": dept_name,
+        "add_logo": {"dept_key": dept_key},
+    }
+    logos = []
+    if modele is not None:
+        for name in _ordered_logos(modele):
+            logos.append({"dept_key": dept_key, "logo_id": name})
+    data["logos"] = logos
+    return data
+
+
+def _make_depts_data(modele):
+    data = []
+    for dept_id, dept_name in _make_dept_id_name():
+        data.append(
+            _make_dept_data(
+                dept_id=dept_id, dept_name=dept_name, modele=modele.get(dept_id, None)
+            )
+        )
+    return data
+
+
+def _make_data(bonus_sport, modele):
+    data = {
+        "bonus_sport_func_name": bonus_sport,
+        "depts": _make_depts_data(modele=modele),
+    }
+    return data
+
+
+class ScoDocConfigurationForm(FlaskForm):
+    "Panneau de configuration général"
+    bonus_sport_func_name = SelectField(
+        label="Fonction de calcul des bonus sport&culture",
+        choices=[
+            (x, x if x else "Aucune")
+            for x in ScoDocSiteConfig.get_bonus_sport_func_names()
+        ],
+    )
+    depts = FieldList(FormField(DeptForm))
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+
+    # def _set_global_logos_infos(self):
+    #     "specific processing for globals items"
+    #     global_header = self.get_form(logoname="header")
+    #     global_header.description = (
+    #         "image placée en haut de certains documents documents PDF."
+    #     )
+    #     global_header.titre = "Logo en-tête"
+    #     global_header.can_delete = False
+    #     global_footer = self.get_form(logoname="footer")
+    #     global_footer.description = (
+    #         "image placée en pied de page de certains documents documents PDF."
+    #     )
+    #     global_footer.titre = "Logo pied de page"
+    #     global_footer.can_delete = False
+
+    # def _build_dept(self, dept_id, dept_name, modele):
+    #     dept_key = dept_id or GLOBAL
+    #     data = {"dept_key": dept_key}
+    #     entry = self.depts.append_entry(data)
+    #     entry.form.build(dept_name, modele.get(dept_id, {}))
+    #     self.index[str(dept_key)] = entry.form
+
+    # def build(self, modele):
+    #     "Build the Form hierachy (DeptForm, LogoForm) and add extra data (from modele)"
+    #     # if entries already initialized (POST). keep subforms
+    #     self.index = {}
+    #     # create entries in FieldList (one entry per dept
+    #     for dept_id, dept_name in self.dept_id_name:
+    #         self._build_dept(dept_id=dept_id, dept_name=dept_name, modele=modele)
+    #     self._set_global_logos_infos()
+
+    def get_form(self, dept_key=GLOBAL, logoname=None):
+        """Retourne un formulaire:
+         * pour un département (get_form(dept_id)) ou à un logo (get_form(dept_id, logname))
+         * propre à un département (get_form(dept_id, logoname) ou global (get_form(logoname))
+        retourne None si le formulaire cherché ne peut être trouvé
+        """
+        dept_form = self.index.get(dept_key, None)
+        if dept_form is None:  # département non trouvé
+            return None
+        return dept_form.get_form(logoname)
+
+    def select_action(self):
+        if (
+            self.data["bonus_sport_func_name"]
+            != ScoDocSiteConfig.get_bonus_sport_func_name()
+        ):
+            return BonusSportUpdate(self.data)
+        for dept_entry in self.depts:
+            dept_form = dept_entry.form
+            action = dept_form.select_action()
+            if action:
+                return action
+        return None
+
+
+def configuration():
+    """Panneau de configuration général"""
+    auth_name = str(current_user)
+    if not current_user.is_administrator():
+        raise AccessDenied("invalid user (%s) must be SuperAdmin" % auth_name)
+    form = ScoDocConfigurationForm(
+        data=_make_data(
+            bonus_sport=ScoDocSiteConfig.get_bonus_sport_func_name(),
+            modele=sco_logos.list_logos(),
+        )
+    )
+    if form.is_submitted():
+        action = form.select_action()
+        if action:
+            action.execute()
+            flash(action.message)
+            return redirect(
+                url_for(
+                    "scodoc.configuration",
+                )
+            )
+    return render_template(
+        "configuration.html",
+        scodoc_dept=None,
+        title="Configuration ScoDoc",
+        form=form,
+    )
diff --git a/app/scodoc/sco_logos.py b/app/scodoc/sco_logos.py
index 5808945f..3f5917bb 100644
--- a/app/scodoc/sco_logos.py
+++ b/app/scodoc/sco_logos.py
@@ -46,7 +46,7 @@ from app import Departement, ScoValueError
 from app.scodoc import sco_utils as scu
 from PIL import Image as PILImage
 
-GLOBAL = "_GLOBAL"  # category for server level logos
+GLOBAL = "_"  # category for server level logos
 
 
 def find_logo(logoname, dept_id=None, strict=False, prefix=scu.LOGO_FILE_PREFIX):
@@ -70,6 +70,18 @@ def find_logo(logoname, dept_id=None, strict=False, prefix=scu.LOGO_FILE_PREFIX)
     return logo
 
 
+def delete_logo(name, dept_id=None):
+    """Delete all files matching logo (dept_id, name) (including all allowed extensions)
+    Args:
+        name: The name of the logo
+        dept_id: the dept_id (if local). Use None to destroy globals logos
+    """
+    logo = find_logo(logoname=name, dept_id=dept_id)
+    while logo is not None:
+        os.unlink(logo.select().filepath)
+        logo = find_logo(logoname=name, dept_id=dept_id)
+
+
 def write_logo(stream, name, dept_id=None):
     """Crée le fichier logo sur le serveur.
     Le suffixe du fichier (parmi LOGO_IMAGES_ALLOWED_TYPES) est déduit du contenu du stream"""
@@ -79,14 +91,15 @@ def write_logo(stream, name, dept_id=None):
 def list_logos():
     """Crée l'inventaire de tous les logos existants.
     L'inventaire se présente comme un dictionnaire de dictionnaire de Logo:
-    [GLOBAL][name] pour les logos globaux
+    [None][name] pour les logos globaux
     [dept_id][name] pour les logos propres à un département (attention id numérique du dept)
+    Les départements sans logos sont absents du résultat
     """
-    inventory = {GLOBAL: _list_dept_logos()}  # logos globaux (header / footer)
+    inventory = {None: _list_dept_logos()}  # logos globaux (header / footer)
     for dept in Departement.query.filter_by(visible=True).all():
         logos_dept = _list_dept_logos(dept_id=dept.id)
         if logos_dept:
-            inventory[dept.acronym] = _list_dept_logos(dept.id)
+            inventory[dept.id] = _list_dept_logos(dept.id)
     return inventory
 
 
@@ -236,7 +249,7 @@ class Logo:
         """Retourne l'URL permettant d'obtenir l'image du logo"""
         return url_for(
             "scodoc.get_logo",
-            scodoc_dept=self.scodoc_dept_id,
+            dept_id=self.scodoc_dept_id,
             name=self.logoname,
             global_if_not_found=False,
         )
@@ -245,7 +258,7 @@ class Logo:
         """Retourne l'URL permettant d'obtenir l'image du logo sous forme de miniature"""
         return url_for(
             "scodoc.get_logo_small",
-            scodoc_dept=self.scodoc_dept_id,
+            dept_id=self.scodoc_dept_id,
             name=self.logoname,
             global_if_not_found=False,
         )
@@ -254,7 +267,7 @@ class Logo:
         if self.mm is None:
             return f'<logo name="{self.logoname}" width="?? mm" height="?? mm">'
         else:
-            return f'<logo name="{self.logoname}" width="{self.mm[0]}mm" height="{self.mm[1]}mm">'
+            return f'<logo name="{self.logoname}" width="{self.mm[0]}mm"">'
 
 
 def guess_image_type(stream) -> str:
@@ -268,7 +281,6 @@ def guess_image_type(stream) -> str:
 
 
 def make_logo_local(logoname, dept_name):
-    breakpoint()
     depts = Departement.query.filter_by(acronym=dept_name).all()
     if len(depts) == 0:
         print(f"no dept {dept_name} found. aborting")
diff --git a/app/scodoc/sco_pdf.py b/app/scodoc/sco_pdf.py
index 54ed29b2..85ead167 100755
--- a/app/scodoc/sco_pdf.py
+++ b/app/scodoc/sco_pdf.py
@@ -60,7 +60,6 @@ from reportlab.lib.pagesizes import letter, A4, landscape
 from flask import g
 
 import app.scodoc.sco_utils as scu
-from app.scodoc.sco_logos import find_logo
 from app.scodoc.sco_utils import CONFIG
 from app import log
 from app.scodoc.sco_exceptions import ScoGenError, ScoValueError
@@ -193,6 +192,10 @@ class ScolarsPageTemplate(PageTemplate):
         preferences=None,  # dictionnary with preferences, required
     ):
         """Initialise our page template."""
+        from app.scodoc.sco_logos import (
+            find_logo,
+        )  # defered import (solve circular dependency ->sco_logo ->scodoc, ->sco_pdf
+
         self.preferences = preferences
         self.pagesbookmarks = pagesbookmarks
         self.pdfmeta_author = author
diff --git a/app/scodoc/sco_preferences.py b/app/scodoc/sco_preferences.py
index d83ca14f..7e08d355 100644
--- a/app/scodoc/sco_preferences.py
+++ b/app/scodoc/sco_preferences.py
@@ -2017,10 +2017,10 @@ class BasePreferences(object):
         H = [
             html_sco_header.sco_header(page_title="Préférences"),
             "<h2>Préférences globales pour %s</h2>" % scu.ScoURL(),
-            f"""<p><a href="{url_for("scolar.config_logos", scodoc_dept=g.scodoc_dept)
-            }">modification des logos du département (pour documents pdf)</a></p>"""
-            if current_user.is_administrator()
-            else "",
+            # f"""<p><a href="{url_for("scolar.config_logos", scodoc_dept=g.scodoc_dept)
+            # }">modification des logos du département (pour documents pdf)</a></p>"""
+            # if current_user.is_administrator()
+            # else "",
             """<p class="help">Ces paramètres s'appliquent par défaut à tous les semestres, sauf si ceux-ci définissent des valeurs spécifiques.</p>
               <p class="msg">Attention: cliquez sur "Enregistrer les modifications" en bas de page pour appliquer vos changements !</p>
               """,
diff --git a/app/static/css/scodoc.css b/app/static/css/scodoc.css
index cc2ea27a..8dcfc779 100644
--- a/app/static/css/scodoc.css
+++ b/app/static/css/scodoc.css
@@ -867,6 +867,9 @@ div.sco_help {
 
 span.wtf-field ul.errors li {
   color: red;
+}
+.configuration_logo div.img {
+
 }
 .configuration_logo div.img-container {
   width: 256px;
@@ -874,6 +877,20 @@ span.wtf-field ul.errors li {
 .configuration_logo div.img-container img {
   max-width: 100%;
 }
+.configuration_logo div.img-data {
+    vertical-align: top;
+}
+.configuration_logo logo-edit titre {
+    background-color:lightblue;
+}
+.configuration_logo logo-edit nom {
+    float: left;
+    vertical-align: baseline;
+}
+.configuration_logo logo-edit description {
+    float:right;
+    vertical-align:baseline;
+}
 
 p.indent {
   padding-left: 2em;
diff --git a/app/static/js/configuration.js b/app/static/js/configuration.js
new file mode 100644
index 00000000..b537d572
--- /dev/null
+++ b/app/static/js/configuration.js
@@ -0,0 +1,6 @@
+function submit_form() {
+    $("#configuration_form").submit();
+}
+
+$(function () {
+})
\ No newline at end of file
diff --git a/app/templates/config_dept.html b/app/templates/config_dept.html
new file mode 100644
index 00000000..c602c5f3
--- /dev/null
+++ b/app/templates/config_dept.html
@@ -0,0 +1,81 @@
+{% macro render_field(field) %}
+<div>
+    <span class="wtf-field">{{ field.label }} :</span>
+    <span class="wtf-field">{{ field()|safe }}
+        {% if field.errors %}
+        <ul class=errors>
+            {% for error in field.errors %}
+            <li>{{ error }}</li>
+            {% endfor %}
+        </ul>
+        {% endif %}
+    </span>
+</div>
+{% endmacro %}
+
+{% macro render_logo(logo_form, titre=None) %}
+    {% if titre %}
+        <tr>
+            <td colspan="2">
+                <h3>{{ titre }}</h3>
+                <hr/>
+            </td>
+        </tr>
+    {%  endif %}
+    <tr>
+        <td style="padding-right: 20px; vertical-align: top;">
+            <p class="help">{{ logo_form.form.description }} Image actuelle:</p>
+            <div class="img-container"><img src="{{ logo_form.logo.get_url_small() }}"
+                    alt="pas de logo chargé" /></div>
+        </td>
+        <td style="vertical-align: top;">
+            {{ logo_form.form.dept_id() }}
+            {{ logo_form.form.logo_id() }}
+            Nom: {{ logo_form.form.logo.logoname }}<br/>
+{#            {{ logo_form.form.description }}<br/>#}
+            Format: {{ logo_form.logo.suffix }}<br/>
+            Taille en px: {{ logo_form.logo.size }}<br/>
+            {% if logo_form.logo.mm %}
+                Taile en mm: {{ logo_form.logo.mm }}<br/>
+            {%  endif %}
+            Aspect ratio: {{ logo_form.logo.aspect_ratio }}<br/>
+            <hr/>
+            Usage: {{ logo_form.logo.get_usage() }}
+            <hr/>
+            <span class="wtf-field">{{  render_field(logo_form.upload) }}</span>
+            {% if logo_form.can_delete %}
+                {{ render_field(logo_form.do_delete) }}
+            {% endif %}
+        </td>
+    </tr>
+{% endmacro %}
+
+
+{#{% block app_content %}#}
+
+{% if scodoc_dept %}
+<h1>Logos du département {{ scodoc_dept }}</h1>
+{% else %}
+<h1>Configuration générale</h1>
+{% endif %}
+
+<form class="sco-form" action="" method="post" enctype="multipart/form-data" novalidate>
+    {{ form.hidden_tag() }}
+    {% if not scodoc_dept %}
+    <div class="sco_help">Les paramètres donnés ici s'appliquent à tout ScoDoc (tous les départements):</div>
+        {{ render_field(form.bonus_sport_func_name)}}
+        <div class="configuration_logo">
+        <table>
+            {{ render_logo(form.header, 'Logo en-tête') }}
+            {{ render_logo(form.footer, 'Logo pied de page') }}
+        </table>
+        </div>
+    {% endif %}
+
+    <!-- <div class="sco_help">Les paramètres ci-dessous peuvent être changés dans chaque département
+        (paramétrage).<br />On indique ici les valeurs initiales par défaut:
+    </div> -->
+
+    <div class="sco-submit">{{ form.submit() }}</div>
+</form>
+{#{% endblock %}#}
\ No newline at end of file
diff --git a/app/templates/configuration.html b/app/templates/configuration.html
index 077c094d..b874d48d 100644
--- a/app/templates/configuration.html
+++ b/app/templates/configuration.html
@@ -1,10 +1,12 @@
 {% extends 'base.html' %}
 {% import 'bootstrap/wtf.html' as wtf %}
 
-{% macro render_field(field) %}
+{% macro render_field(field, with_label=True) %}
 <div>
-    <span class="wtf-field">{{ field.label }} :</span>
-    <span class="wtf-field">{{ field()|safe }}
+    {%  if with_label %}
+        <span class="wtf-field">{{ field.label }} :</span>
+    {%  endif %}
+    <span class="wtf-field">{{ field(**kwargs)|safe }}
         {% if field.errors %}
         <ul class=errors>
             {% for error in field.errors %}
@@ -16,66 +18,102 @@
 </div>
 {% endmacro %}
 
-{% macro render_logo(logo_form, titre=None) %}
-    {% if titre %}
-        <tr>
-            <td colspan="2">
-                <h3>{{ titre }}</h3>
-            </td>
-        </tr>
-    {%  endif %}
-    <tr>
-        <td style="padding-right: 20px">
-            <p class="help">{{ logo_form.form.description }} Image actuelle:</p>
-            <div class="img-container"><img src="{{ logo_form.logo.get_url_small() }}"
-                    alt="pas de logo chargé" /></div>
-        </td>
-        <td>
-            Nom: {{ logo_form.form.logo.logoname }}<br/>
-            {{ logo_form.form.description }}<br/>
-            Format: {{ logo_form.logo.suffix }}<br/>
-            Taille en px: {{ logo_form.logo.size }}<br/>
-            {% if logo_form.logo.mm %}
-                Taile en mm: {{ logo_form.logo.mm }}<br/>
-            {%  endif %}
-            Aspect ratio: {{ logo_form.logo.aspect_ratio }}<br/>
-            Usage: {{ logo_form.logo.get_usage() }}
-            <span class="wtf-field">{{ logo_form.action()|safe }}</span>
-            <span class="wtf-field">{{  render_field(logo_form.upload) }}</span>
-            {% if logo_form.can_delete %}
-                {{ render_field(logo_form.do_delete) }}
-            {% endif %}
-        </td>
-    </tr>
+{% macro render_add_logo(add_logo_form) %}
+    <div class="logo-add">
+        <h3>Ajouter un logo</h3>
+        {{ add_logo_form.hidden_tag() }}
+        {{ render_field(add_logo_form.name) }}
+        {{ render_field(add_logo_form.upload) }}
+        {{ render_field(add_logo_form.do_insert, False, onSubmit="submit_form") }}
+    </div>
 {% endmacro %}
 
+{% macro render_logo(dept_form, logo_form) %}
+    <div class="logo-edit">
+        {{ logo_form.hidden_tag() }}
+        {% if logo_form.titre %}
+            <tr class="logo-edit">
+                <td colspan="3" class="titre">
+                    <div class="nom"><h3>{{ logo_form.titre }}</h3></div>
+                    <div class="description">{{ logo_form.description or "" }}</div>
+                </td>
+            </tr>
+        {% else %}
+            <tr class="logo-edit">
+                <td colspan="3" class="titre">
+                    <span class="nom"><h3>Logo personalisé: {{ logo_form.logo_id.data }}</h3></span>
+                    <span class="description">{{ logo_form.description or "" }}</span>
+                </td>
+            </tr>
+        {%  endif %}
+        <tr>
+            <td style="padding-right: 20px; ">
+                <div class="img-container">
+                    <img src="{{ logo_form.logo.get_url_small() }}" alt="pas de logo chargé" /></div>
+            </td><td class="img-data">
+                <h3>{{ logo_form.logo.logoname }} (Format: {{ logo_form.logo.suffix }})</h3>
+                Taille: {{ logo_form.logo.size }} px
+                {% if logo_form.logo.mm %} &nbsp; / &nbsp; {{ logo_form.logo.mm }} mm {%  endif %}<br/>
+                Aspect ratio: {{ logo_form.logo.aspect_ratio }}<br/>
+                Usage: <span style="font-family: system-ui">{{ logo_form.logo.get_usage() }}</span>
+            </td><td class=""img-action">
+                <p>Modifier l'image</p>
+                <span class="wtf-field">{{  render_field(logo_form.upload, False, onchange="submit_form()") }}</span>
+                {% if logo_form.can_delete %}
+                    <p>Supprimer l'image</p>
+                    {{ render_field(logo_form.do_delete, False, onSubmit="submit_form()") }}
+                {% endif %}
+            </td>
+        </tr>
+    </div>
+{% endmacro %}
+
+{% macro render_logos(dept_form) %}
+    <table>
+    {%  for logo_entry in dept_form.logos.entries %}
+        {% set logo_form = logo_entry.form %}
+        {{ render_logo(dept_form, logo_form) }}
+    {% else %}
+        <p class="logo-edit"><h3>Aucun logo défini en propre à ce département</h3></p>
+    {% endfor %}
+    </table>
+{% endmacro %}
 
 {% block app_content %}
 
-{% if scodoc_dept %}
-<h1>Logos du département {{ scodoc_dept }}</h1>
-{% else %}
-<h1>Configuration générale</h1>
-{% endif %}
+<script src="/ScoDoc/static/jQuery/jquery.js"></script>
+<script src="/ScoDoc/static/js/configuration.js"></script>
 
-<form class="sco-form" action="" method="post" enctype="multipart/form-data" novalidate>
+<form id="configuration_form" class="sco-form" action="" method="post" enctype="multipart/form-data" novalidate>
     {{ form.hidden_tag() }}
-    {% if not scodoc_dept %}
-    <div class="sco_help">Les paramètres donnés ici s'appliquent à tout ScoDoc (tous les départements):</div>
-        {{ render_field(form.bonus_sport_func_name)}}
-        <div class="configuration_logo">
-        <table>
-            {{ form.footer.form.breakpoint(form) }}
-            {{ render_logo(form.header, 'Logo en-tête') }}
-            {{ render_logo(form.footer, 'Logo pied de page') }}
-        </table>
-        </div>
-    {% endif %}
 
-    <!-- <div class="sco_help">Les paramètres ci-dessous peuvent être changés dans chaque département
-        (paramétrage).<br />On indique ici les valeurs initiales par défaut:
-    </div> -->
+    <div class="configuration_logo">
+        <h1>Configuration générale</h1>
+            <div class="sco_help">Les paramètres donnés ici s'appliquent à tout ScoDoc (tous les départements):</div>
+                {{ render_field(form.bonus_sport_func_name, onChange="submit_form()")}}
 
-    <div class="sco-submit">{{ form.submit() }}</div>
+        <h1>Bibliothèque de logos</h1>
+        {% for dept_entry in form.depts.entries %}
+            {% set dept_form = dept_entry.form %}
+            {{ dept_entry.form.hidden_tag() }}
+            {% if dept_entry.form.is_local() %}
+                <div class="departement">
+                    <h2>Département {{ dept_form.dept_name.data }}</h2>
+                        <h3>Logos locaux</h3>
+                        <div class="sco_help">Les paramètres donnés sont spécifiques à ce département.<br/>
+                        Les logos du département se substituent aux logos de même nom définis globalement:</div>
+                </div>
+            {% else %}
+                <div class="departement">
+                    <h2>Logos généraux</h2>
+                    <div class="sco_help">Les images de cette section sont utilisé pour tous les départements,
+                        mais peuvent être redéfinies localement au niveau de chaque département
+                        (il suffit de définir un logo local de même nom)</div>
+                </div>
+            {% endif %}
+            {{ render_logos(dept_form) }}
+            {{ render_add_logo(dept_form.add_logo.form) }}
+        {%  endfor %}
+    </div>
 </form>
 {% endblock %}
\ No newline at end of file
diff --git a/app/views/scodoc.py b/app/views/scodoc.py
index 70433025..d875dc8e 100644
--- a/app/views/scodoc.py
+++ b/app/views/scodoc.py
@@ -46,7 +46,7 @@ from flask_login.utils import login_required, current_user
 from flask_wtf import FlaskForm
 from flask_wtf.file import FileField, FileAllowed
 from werkzeug.exceptions import BadRequest, NotFound
-from wtforms import SelectField, SubmitField, FormField, validators, Form
+from wtforms import SelectField, SubmitField, FormField, validators, Form, FieldList
 from wtforms.fields import IntegerField
 from wtforms.fields.simple import BooleanField, StringField, TextAreaField, HiddenField
 from wtforms.validators import ValidationError, DataRequired, Email, EqualTo
@@ -56,7 +56,7 @@ from app.models import Departement, Identite
 from app.models import FormSemestre, FormsemestreInscription
 from app.models import ScoDocSiteConfig
 import sco_version
-from app.scodoc import sco_logos
+from app.scodoc import sco_logos, sco_config_form
 from app.scodoc import sco_find_etud
 from app.scodoc import sco_utils as scu
 from app.decorators import (
@@ -64,7 +64,9 @@ from app.decorators import (
     scodoc7func,
     scodoc,
     permission_required_compat_scodoc7,
+    permission_required,
 )
+from app.scodoc.sco_config_form import configuration
 from app.scodoc.sco_exceptions import AccessDenied
 from app.scodoc.sco_logos import find_logo
 from app.scodoc.sco_permissions import Permission
@@ -180,64 +182,6 @@ def about(scodoc_dept=None):
 
 # ---- CONFIGURATION
 
-
-class LogoForm(FlaskForm):
-    action = HiddenField("action")
-    upload = FileField(
-        label="Modifier l'image:",
-        validators=[
-            FileAllowed(
-                scu.LOGOS_IMAGES_ALLOWED_TYPES,
-                f"n'accepte que les fichiers image {','.join([e for e in scu.LOGOS_IMAGES_ALLOWED_TYPES])}",
-            )
-        ],
-    )
-    do_delete = SubmitField("Supprimer")
-
-    def set_infos(self, logo, description=None, can_delete=None):
-        self.logo = logo
-        self.description = description
-        self.can_delete = can_delete
-
-    def breakpoint(self, form):
-        breakpoint()
-
-    def __init__(self, *args, **kwargs):
-        super(LogoForm, self).__init__(*args, **kwargs)
-        self.logo = None
-        self.description = None
-        self.can_delete = None
-
-
-class ScoDocConfigurationForm(FlaskForm):
-    "Panneau de configuration général"
-
-    bonus_sport_func_name = SelectField(
-        label="Fonction de calcul des bonus sport&culture",
-        choices=[
-            (x, x if x else "Aucune")
-            for x in ScoDocSiteConfig.get_bonus_sport_func_names()
-        ],
-    )
-    header = FormField(LogoForm)
-    footer = FormField(LogoForm)
-    submit = SubmitField("Enregistrer")
-
-    def __init__(self, *args, **kwargs):
-        super(ScoDocConfigurationForm, self).__init__(*args, **kwargs)
-        breakpoint()
-        self.header.form.set_infos(
-            logo=find_logo("header", dept_id=None).select(),
-            description="image placée en haut de certains documents documents PDF.",
-            can_delete=False,
-        )
-        self.footer.form.set_infos(
-            logo=find_logo("footer", dept_id=None).select(),
-            description="image placée en pied de page de certains documents documents PDF.",
-            can_delete=False,
-        )
-
-
 # Notes pour variables config: (valeurs par défaut des paramètres de département)
 # Chaines simples
 # SCOLAR_FONT = "Helvetica"
@@ -259,29 +203,13 @@ class ScoDocConfigurationForm(FlaskForm):
 @bp.route("/ScoDoc/configuration", methods=["GET", "POST"])
 @admin_required
 def configuration():
-    "Panneau de configuration général"
-    form = ScoDocConfigurationForm(
-        bonus_sport_func_name=ScoDocSiteConfig.get_bonus_sport_func_name(),
-    )
-    if form.validate_on_submit():
-        ScoDocSiteConfig.set_bonus_sport_func(form.bonus_sport_func_name.data)
-        if form.header.data:
-            sco_logos.write_logo(stream=form.header.data, name="header")
-        if form.footer.data:
-            sco_logos.write_logo(stream=form.footer.data, name="footer")
-        app.clear_scodoc_cache()
-        flash(f"Configuration enregistrée")
-        return redirect(url_for("scodoc.index"))
-
-    return render_template(
-        "configuration.html",
-        title="Configuration ScoDoc",
-        form=form,
-        scodoc_dept=None,
-    )
+    auth_name = str(current_user)
+    if not current_user.is_administrator():
+        raise AccessDenied("invalid user (%s) must be SuperAdmin" % auth_name)
+    return sco_config_form.configuration()
 
 
-SMALL_SIZE = (300, 300)
+SMALL_SIZE = (200, 200)
 
 
 def _return_logo(name="header", dept_id="", small=False, strict: bool = True):
diff --git a/app/views/scolar.py b/app/views/scolar.py
index c708495a..ebfd4d1a 100644
--- a/app/views/scolar.py
+++ b/app/views/scolar.py
@@ -174,7 +174,7 @@ class DeptLogosConfigurationForm(FlaskForm):
         validators=[
             FileAllowed(
                 scu.LOGOS_IMAGES_ALLOWED_TYPES,
-                f"n'accepte que les fichiers image <tt>{','.join([e for e in scu.LOGOS_IMAGES_ALLOWED_TYPES])}</tt>",
+                f"n'accepte que les fichiers image <tt>{','.join(scu.LOGOS_IMAGES_ALLOWED_TYPES)}</tt>",
             )
         ],
     )
@@ -185,7 +185,7 @@ class DeptLogosConfigurationForm(FlaskForm):
         validators=[
             FileAllowed(
                 scu.LOGOS_IMAGES_ALLOWED_TYPES,
-                f"n'accepte que les fichiers image <tt>{','.join([e for e in scu.LOGOS_IMAGES_ALLOWED_TYPES])}</tt>",
+                f"n'accepte que les fichiers image <tt>{','.join(scu.LOGOS_IMAGES_ALLOWED_TYPES)}</tt>",
             )
         ],
     )
@@ -193,36 +193,96 @@ class DeptLogosConfigurationForm(FlaskForm):
     submit = SubmitField("Enregistrer")
 
 
-@bp.route("/config_logos", methods=["GET", "POST"])
-@permission_required(Permission.ScoChangePreferences)
-def config_logos(scodoc_dept):
-    "Panneau de configuration général"
-    form = DeptLogosConfigurationForm()
-    if form.validate_on_submit():
-        if form.logo_header.data:
-            sco_logos.store_image(
-                form.logo_header.data,
-                os.path.join(
-                    scu.SCODOC_LOGOS_DIR, "logos_" + scodoc_dept, "logo_header"
-                ),
-            )
-        if form.logo_footer.data:
-            sco_logos.store_image(
-                form.logo_footer.data,
-                os.path.join(
-                    scu.SCODOC_LOGOS_DIR, "logos_" + scodoc_dept, "logo_footer"
-                ),
-            )
-        app.clear_scodoc_cache()
-        flash(f"Logos enregistrés")
-        return flask.redirect(url_for("scolar.index_html", scodoc_dept=scodoc_dept))
+# @bp.route("/config_logos", methods=["GET", "POST"])
+# @permission_required(Permission.ScoChangePreferences)
+# def config_logos(scodoc_dept):
+#     "Panneau de configuration général"
+#     form = DeptLogosConfigurationForm()
+#     if form.validate_on_submit():
+#         if form.logo_header.data:
+#             sco_logos.store_image(
+#                 form.logo_header.data,
+#                 os.path.join(
+#                     scu.SCODOC_LOGOS_DIR, "logos_" + scodoc_dept, "logo_header"
+#                 ),
+#             )
+#         if form.logo_footer.data:
+#             sco_logos.store_image(
+#                 form.logo_footer.data,
+#                 os.path.join(
+#                     scu.SCODOC_LOGOS_DIR, "logos_" + scodoc_dept, "logo_footer"
+#                 ),
+#             )
+#         app.clear_scodoc_cache()
+#         flash(f"Logos enregistrés")
+#         return flask.redirect(url_for("scolar.index_html", scodoc_dept=scodoc_dept))
+#
+#     return render_template(
+#         "configuration.html",
+#         title="Configuration Logos du département",
+#         form=form,
+#         scodoc_dept=scodoc_dept,
+#     )
+#
+#
+# class DeptLogosConfigurationForm(FlaskForm):
+#     "Panneau de configuration logos dept"
+#
+#     logo_header = FileField(
+#         label="Modifier l'image:",
+#         description="logo placé en haut des documents PDF",
+#         validators=[
+#             FileAllowed(
+#                 scu.LOGOS_IMAGES_ALLOWED_TYPES,
+#                 f"n'accepte que les fichiers image <tt>{','.join([e for e in scu.LOGOS_IMAGES_ALLOWED_TYPES])}</tt>",
+#             )
+#         ],
+#     )
+#
+#     logo_footer = FileField(
+#         label="Modifier l'image:",
+#         description="logo placé en pied des documents PDF",
+#         validators=[
+#             FileAllowed(
+#                 scu.LOGOS_IMAGES_ALLOWED_TYPES,
+#                 f"n'accepte que les fichiers image <tt>{','.join([e for e in scu.LOGOS_IMAGES_ALLOWED_TYPES])}</tt>",
+#             )
+#         ],
+#     )
+#
+#     submit = SubmitField("Enregistrer")
 
-    return render_template(
-        "configuration.html",
-        title="Configuration Logos du département",
-        form=form,
-        scodoc_dept=scodoc_dept,
-    )
+
+# @bp.route("/config_logos", methods=["GET", "POST"])
+# @permission_required(Permission.ScoChangePreferences)
+# def config_logos(scodoc_dept):
+#     "Panneau de configuration général"
+#     form = DeptLogosConfigurationForm()
+#     if form.validate_on_submit():
+#         if form.logo_header.data:
+#             sco_logos.store_image(
+#                 form.logo_header.data,
+#                 os.path.join(
+#                     scu.SCODOC_LOGOS_DIR, "logos_" + scodoc_dept, "logo_header"
+#                 ),
+#             )
+#         if form.logo_footer.data:
+#             sco_logos.store_image(
+#                 form.logo_footer.data,
+#                 os.path.join(
+#                     scu.SCODOC_LOGOS_DIR, "logos_" + scodoc_dept, "logo_footer"
+#                 ),
+#             )
+#         app.clear_scodoc_cache()
+#         flash(f"Logos enregistrés")
+#         return flask.redirect(url_for("scolar.index_html", scodoc_dept=scodoc_dept))
+#
+#     return render_template(
+#         "configuration.html",
+#         title="Configuration Logos du département",
+#         form=form,
+#         scodoc_dept=scodoc_dept,
+#     )
 
 
 # --------------------------------------------------------------------
diff --git a/tests/ressources/test_logos/logo_A.jpg b/tests/ressources/test_logos/logo_A.jpg
index 7f107a05..7770372c 100644
Binary files a/tests/ressources/test_logos/logo_A.jpg and b/tests/ressources/test_logos/logo_A.jpg differ
diff --git a/tests/ressources/test_logos/logo_A1.jpg b/tests/ressources/test_logos/logo_A1.jpg
new file mode 100644
index 00000000..e645ef63
Binary files /dev/null and b/tests/ressources/test_logos/logo_A1.jpg differ
diff --git a/tests/ressources/test_logos/logo_C.jpg b/tests/ressources/test_logos/logo_C.jpg
index bdca2b73..108afc71 100644
Binary files a/tests/ressources/test_logos/logo_C.jpg and b/tests/ressources/test_logos/logo_C.jpg differ
diff --git a/tests/ressources/test_logos/logo_D.png b/tests/ressources/test_logos/logo_D.png
index 8239e535..cc7276cd 100644
Binary files a/tests/ressources/test_logos/logo_D.png and b/tests/ressources/test_logos/logo_D.png differ
diff --git a/tests/ressources/test_logos/logo_E.jpg b/tests/ressources/test_logos/logo_E.jpg
index e97b78d0..e51e7b46 100644
Binary files a/tests/ressources/test_logos/logo_E.jpg and b/tests/ressources/test_logos/logo_E.jpg differ
diff --git a/tests/ressources/test_logos/logo_F.jpeg b/tests/ressources/test_logos/logo_F.jpeg
index c3750e29..20728130 100644
Binary files a/tests/ressources/test_logos/logo_F.jpeg and b/tests/ressources/test_logos/logo_F.jpeg differ
diff --git a/tests/ressources/test_logos/logos_1/logo_A.jpg b/tests/ressources/test_logos/logos_1/logo_A.jpg
index 96cfabd5..81179f9c 100644
Binary files a/tests/ressources/test_logos/logos_1/logo_A.jpg and b/tests/ressources/test_logos/logos_1/logo_A.jpg differ
diff --git a/tests/ressources/test_logos/logos_1/logo_B.jpg b/tests/ressources/test_logos/logos_1/logo_B.jpg
index 2ebb8282..2428dc45 100644
Binary files a/tests/ressources/test_logos/logos_1/logo_B.jpg and b/tests/ressources/test_logos/logos_1/logo_B.jpg differ
diff --git a/tests/ressources/test_logos/logos_2/logo_A.jpg b/tests/ressources/test_logos/logos_2/logo_A.jpg
index 8c1c4efc..28d2a9c1 100644
Binary files a/tests/ressources/test_logos/logos_2/logo_A.jpg and b/tests/ressources/test_logos/logos_2/logo_A.jpg differ
diff --git a/tests/ressources/test_logos/logos_2/logo_A1.jpg b/tests/ressources/test_logos/logos_2/logo_A1.jpg
new file mode 100644
index 00000000..5bdf7500
Binary files /dev/null and b/tests/ressources/test_logos/logos_2/logo_A1.jpg differ
diff --git a/tests/unit/test_logos.py b/tests/unit/test_logos.py
index 1ed62a49..6af36648 100644
--- a/tests/unit/test_logos.py
+++ b/tests/unit/test_logos.py
@@ -7,7 +7,6 @@ Utiliser comme:
     pytest tests/unit/test_logos.py
 
 """
-from io import BytesIO
 from pathlib import Path
 from shutil import copytree, copy, rmtree
 
@@ -18,7 +17,14 @@ import app
 from app import db
 from app.models import Departement
 import app.scodoc.sco_utils as scu
-from app.scodoc.sco_logos import find_logo, Logo, list_logos
+from app.scodoc.sco_logos import (
+    find_logo,
+    Logo,
+    list_logos,
+    GLOBAL,
+    write_logo,
+    delete_logo,
+)
 
 RESOURCES_DIR = "/opt/scodoc/tests/ressources/test_logos"
 
@@ -30,12 +36,15 @@ def create_dept(test_client):
     """
     dept1 = Departement(acronym="RT")
     dept2 = Departement(acronym="INFO")
+    dept3 = Departement(acronym="GEA")
     db.session.add(dept1)
     db.session.add(dept2)
+    db.session.add(dept3)
     db.session.commit()
-    yield dept1, dept2
+    yield dept1, dept2, dept3
     db.session.delete(dept1)
     db.session.delete(dept2)
+    db.session.delete(dept3)
     db.session.commit()
 
 
@@ -52,9 +61,10 @@ def create_logos(create_dept):
                +-- logos_{d2} --+-- logo_A.jpg
 
     """
-    dept1, dept2 = create_dept
+    dept1, dept2, dept3 = create_dept
     d1 = dept1.id
     d2 = dept2.id
+    d3 = dept3.id
     FILE_LIST = ["logo_A.jpg", "logo_C.jpg", "logo_D.png", "logo_E.jpg", "logo_F.jpeg"]
     for fn in FILE_LIST:
         from_path = Path(RESOURCES_DIR).joinpath(fn)
@@ -83,33 +93,33 @@ def test_select_global_only(create_logos):
 
 
 def test_select_local_only(create_dept, create_logos):
-    dept1, dept2 = create_dept
+    dept1, dept2, dept3 = create_dept
     B_logo = app.scodoc.sco_logos.find_logo(logoname="B", dept_id=dept1.id)
     assert B_logo.filepath == f"{scu.SCODOC_LOGOS_DIR}/logos_{dept1.id}/logo_B.jpg"
 
 
 def test_select_local_override_global(create_dept, create_logos):
-    dept1, dept2 = create_dept
+    dept1, dept2, dept3 = create_dept
     A1_logo = app.scodoc.sco_logos.find_logo(logoname="A", dept_id=dept1.id)
     assert A1_logo.filepath == f"{scu.SCODOC_LOGOS_DIR}/logos_{dept1.id}/logo_A.jpg"
 
 
 def test_select_global_with_strict(create_dept, create_logos):
-    dept1, dept2 = create_dept
+    dept1, dept2, dept3 = create_dept
     A_logo = app.scodoc.sco_logos.find_logo(logoname="A", dept_id=dept1.id, strict=True)
     assert A_logo.filepath == f"{scu.SCODOC_LOGOS_DIR}/logos_{dept1.id}/logo_A.jpg"
 
 
 def test_looks_for_non_existant_should_give_none(create_dept, create_logos):
     # search for a local non-existant logo returns None
-    dept1, dept2 = create_dept
+    dept1, dept2, dept3 = create_dept
     no_logo = app.scodoc.sco_logos.find_logo(logoname="Z", dept_id=dept1.id)
     assert no_logo is None
 
 
 def test_looks_localy_for_a_global_should_give_none(create_dept, create_logos):
     # search for a local non-existant logo returns None
-    dept1, dept2 = create_dept
+    dept1, dept2, dept3 = create_dept
     no_logo = app.scodoc.sco_logos.find_logo(
         logoname="C", dept_id=dept1.id, strict=True
     )
@@ -123,8 +133,8 @@ def test_get_jpg_data(create_dept, create_logos):
     assert logo.logoname == "A"
     assert logo.suffix == "jpg"
     assert logo.filename == "A.jpg"
-    assert logo.size == (1200, 600)
-    assert logo.mm == approx((40, 30), 0.1)
+    assert logo.size == (140, 121)
+    assert logo.mm == approx((5.74, 4.96), 0.1)
 
 
 def test_get_png_without_data(create_dept, create_logos):
@@ -139,10 +149,59 @@ def test_get_png_without_data(create_dept, create_logos):
     assert logo.mm is None
 
 
-def test_create_globale_jpg_logo(create_dept, create_logos):
+def test_delete_unique_global_jpg_logo(create_dept, create_logos):
+    from_path = Path(RESOURCES_DIR).joinpath("logo_A.jpg")
+    to_path = Path(scu.SCODOC_LOGOS_DIR).joinpath("logo_W.jpg")
+    copy(from_path.absolute(), to_path.absolute())
+    assert to_path.exists()
+    delete_logo(name="W")
+    assert not to_path.exists()
+
+
+def test_delete_unique_local_jpg_logo(create_dept, create_logos):
+    dept1, dept2, dept3 = create_dept
+    from_path = Path(RESOURCES_DIR).joinpath("logo_A.jpg")
+    to_path = Path(scu.SCODOC_LOGOS_DIR).joinpath(f"logos_{dept1.id}", "logo_W.jpg")
+    copy(from_path.absolute(), to_path.absolute())
+    assert to_path.exists()
+    delete_logo(name="W", dept_id=dept1.id)
+    assert not to_path.exists()
+
+
+def test_delete_multiple_local_jpg_logo(create_dept, create_logos):
+    dept1, dept2, dept3 = create_dept
+    from_path_A = Path(RESOURCES_DIR).joinpath("logo_A.jpg")
+    to_path_A = Path(scu.SCODOC_LOGOS_DIR).joinpath(f"logos_{dept1.id}", "logo_V.jpg")
+    from_path_B = Path(RESOURCES_DIR).joinpath("logo_D.png")
+    to_path_B = Path(scu.SCODOC_LOGOS_DIR).joinpath(f"logos_{dept1.id}", "logo_V.png")
+    copy(from_path_A.absolute(), to_path_A.absolute())
+    copy(from_path_B.absolute(), to_path_B.absolute())
+    assert to_path_A.exists()
+    assert to_path_B.exists()
+    delete_logo(name="V", dept_id=dept1.id)
+    assert not to_path_A.exists()
+    assert not to_path_B.exists()
+
+
+def test_create_global_jpg_logo(create_dept, create_logos):
     path = Path(f"{RESOURCES_DIR}/logo_C.jpg")
-    logo = Logo("X")  # create global logo
     stream = path.open("rb")
+    logo_path = Path(scu.SCODOC_LOGOS_DIR).joinpath("logo_X.jpg")
+    assert not logo_path.exists()
+    write_logo(stream, name="X")  # create global logo
+    assert logo_path.exists()
+    logo_path.unlink(missing_ok=True)
+
+
+def test_create_locale_jpg_logo(create_dept, create_logos):
+    dept1, dept2, dept3 = create_dept
+    path = Path(f"{RESOURCES_DIR}/logo_C.jpg")
+    stream = path.open("rb")
+    logo_path = Path(scu.SCODOC_LOGOS_DIR).joinpath(f"logos_{dept1.id}", "logo_Y.jpg")
+    assert not logo_path.exists()
+    write_logo(stream, name="Y", dept_id=dept1.id)  # create global logo
+    assert logo_path.exists()
+    logo_path.unlink(missing_ok=True)
 
 
 def test_create_jpg_instead_of_png_logo(create_dept, create_logos):
@@ -169,15 +228,17 @@ def test_create_jpg_instead_of_png_logo(create_dept, create_logos):
 
 def test_list_logo(create_dept, create_logos):
     # test only existence of copied logos. We assumes that they are OK
-    dept1, dept2 = create_dept
+    dept1, dept2, dept3 = create_dept
     logos = list_logos()
-    assert logos.keys() == {"_GLOBAL", "RT", "INFO"}
+    assert set(logos.keys()) == {dept1.id, dept2.id, None}
     assert {"A", "C", "D", "E", "F", "header", "footer"}.issubset(
-        set(logos["_GLOBAL"].keys())
+        set(logos[None].keys())
     )
-    rt = logos.get("RT", None)
+    rt = logos.get(dept1.id, None)
     assert rt is not None
     assert {"A", "B"}.issubset(set(rt.keys()))
-    info = logos.get("INFO", None)
+    info = logos.get(dept2.id, None)
     assert info is not None
     assert {"A"}.issubset(set(rt.keys()))
+    gea = logos.get(dept3.id, None)
+    assert gea is None