diff --git a/app/pe/pe_tools.py b/app/pe/pe_tools.py
index 46e706ee..99adbedd 100644
--- a/app/pe/pe_tools.py
+++ b/app/pe/pe_tools.py
@@ -44,6 +44,7 @@ import unicodedata
 
 import app.scodoc.sco_utils as scu
 from app import log
+from app.scodoc.sco_logos import find_logo
 
 PE_DEBUG = 0
 
@@ -201,11 +202,11 @@ def add_pe_stuff_to_zip(zipfile, ziproot):
         add_local_file_to_zip(zipfile, ziproot, pathname, "avis/" + filename)
 
     # Logos: (add to logos/ directory in zip)
-    logos_names = ["logo_header.jpg", "logo_footer.jpg"]
-    for f in logos_names:
-        logo = os.path.join(scu.SCODOC_LOGOS_DIR, f)
-        if os.path.isfile(logo):
-            add_local_file_to_zip(zipfile, ziproot, logo, "avis/logos/" + f)
+    logos_names = ["header", "footer"]
+    for name in logos_names:
+        logo = find_logo(logoname=name, dept_id=g.scodoc_dept_id)
+        if logo is not None:
+            add_local_file_to_zip(zipfile, ziproot, logo, "avis/logos/" + logo.filename)
 
 
 # ----------------------------------------------------------------------------------------
diff --git a/app/scodoc/sco_bulletins_pdf.py b/app/scodoc/sco_bulletins_pdf.py
index 81df5b1e..b28e9db5 100644
--- a/app/scodoc/sco_bulletins_pdf.py
+++ b/app/scodoc/sco_bulletins_pdf.py
@@ -51,23 +51,24 @@ Chaque semestre peut si nécessaire utiliser un type de bulletin différent.
 
 """
 import io
-import os
 import re
 import time
 import traceback
+from pydoc import html
 
 from reportlab.platypus.doctemplate import PageTemplate, BaseDocTemplate
 
-from flask import g, url_for, request
+from flask import g, request
 
 import app.scodoc.sco_utils as scu
-from app import log
+from app import log, ScoValueError
 from app.scodoc import sco_cache
 from app.scodoc import sco_formsemestre
 from app.scodoc import sco_pdf
 from app.scodoc import sco_preferences
 from app.scodoc import sco_etud
 import sco_version
+from app.scodoc.sco_logos import find_logo
 
 
 def pdfassemblebulletins(
@@ -110,6 +111,17 @@ def pdfassemblebulletins(
     return data
 
 
+def replacement_function(match):
+    balise = match.group(1)
+    name = match.group(3)
+    logo = find_logo(logoname=name, dept_id=g.scodoc_dept_id)
+    if logo is not None:
+        return r'<img %s src="%s"%s/>' % (match.group(2), logo.filepath, match.group(4))
+    raise ScoValueError(
+        'balise "%s": logo "%s" introuvable' % (html.escape(balise), html.escape(name))
+    )
+
+
 def process_field(field, cdict, style, suppress_empty_pars=False, format="pdf"):
     """Process a field given in preferences, returns
     - if format = 'pdf': a list of Platypus objects
@@ -141,24 +153,18 @@ def process_field(field, cdict, style, suppress_empty_pars=False, format="pdf"):
         return text
     # --- PDF format:
     # handle logos:
-    image_dir = scu.SCODOC_LOGOS_DIR + "/logos_" + g.scodoc_dept + "/"
-    if not os.path.exists(image_dir):
-        image_dir = scu.SCODOC_LOGOS_DIR + "/"  # use global logos
-        if not os.path.exists(image_dir):
-            log(f"Warning: missing global logo directory ({image_dir})")
-            image_dir = None
-
     text = re.sub(
         r"<(\s*)logo(.*?)src\s*=\s*(.*?)>", r"<\1logo\2\3>", text
     )  # remove forbidden src attribute
-    if image_dir is not None:
-        text = re.sub(
-            r'<\s*logo(.*?)name\s*=\s*"(\w*?)"(.*?)/?>',
-            r'<img\1src="%s/logo_\2.jpg"\3/>' % image_dir,
-            text,
-        )
-        # nota: le match sur \w*? donne le nom du logo et interdit les .. et autres
-        # tentatives d'acceder à d'autres fichiers !
+    text = re.sub(
+        r'(<\s*logo(.*?)name\s*=\s*"(\w*?)"(.*?)/?>)',
+        replacement_function,
+        text,
+    )
+    # nota: le match sur \w*? donne le nom du logo et interdit les .. et autres
+    # tentatives d'acceder à d'autres fichiers !
+    # la protection contre des noms malveillants est aussi assurée par l'utilisation de
+    #        secure_filename dans la classe Logo
 
     # log('field: %s' % (text))
     return sco_pdf.makeParas(text, style, suppress_empty=suppress_empty_pars)
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..f7ff47d7
--- /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.DataRequired("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.DataRequired("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 e29b5183..8aa88c53 100644
--- a/app/scodoc/sco_logos.py
+++ b/app/scodoc/sco_logos.py
@@ -32,32 +32,247 @@ avec `ext` membre de LOGOS_IMAGES_ALLOWED_TYPES (= jpg, png)
 
 SCODOC_LOGOS_DIR   /opt/scodoc-data/config/logos
 """
+import glob
 import imghdr
 import os
+import re
+import shutil
+from pathlib import Path
 
-from flask import abort, current_app
+from flask import abort, current_app, url_for
+from werkzeug.utils import secure_filename
 
+from app import Departement, ScoValueError
 from app.scodoc import sco_utils as scu
+from PIL import Image as PILImage
+
+GLOBAL = "_"  # category for server level logos
 
 
-def get_logo_filename(logo_type: str, scodoc_dept: str) -> str:
-    """return full filename for this logo, or "" if not found
-    an existing file with extension.
-        logo_type: "header" or "footer"
-        scodoc-dept: acronym
+def find_logo(logoname, dept_id=None, strict=False, prefix=scu.LOGO_FILE_PREFIX):
     """
-    # Search logos in dept specific dir (/opt/scodoc-data/config/logos/logos_<dept>),
-    # then in config dir /opt/scodoc-data/config/logos/
-    for image_dir in (
-        scu.SCODOC_LOGOS_DIR + "/logos_" + scodoc_dept,
-        scu.SCODOC_LOGOS_DIR,  # global logos
-    ):
-        for suffix in scu.LOGOS_IMAGES_ALLOWED_TYPES:
-            filename = os.path.join(image_dir, f"logo_{logo_type}.{suffix}")
-            if os.path.isfile(filename) and os.access(filename, os.R_OK):
-                return filename
+    "Recherche un logo 'name' existant.
+    Deux strategies:
+    si strict:
+        reherche uniquement dans le département puis si non trouvé au niveau global
+    sinon
+        On recherche en local au dept d'abord puis si pas trouvé recherche globale
+    quelque soit la stratégie, retourne None si pas trouvé
+    :param logoname:  le nom recherche
+    :param dept_id:  l'id du département dans lequel se fait la recherche (None si global)
+    :param strict: stratégie de recherche (strict = False => dept ou global)
+    :param prefix: le prefix utilisé (parmi scu.LOGO_FILE_PREFIX / scu.BACKGROUND_FILE_PREFIX)
+    :return: un objet Logo désignant le fichier image trouvé (ou None)
+    """
+    logo = Logo(logoname, dept_id, prefix).select()
+    if logo is None and not strict:
+        logo = Logo(logoname=logoname, dept_id=None, prefix=prefix).select()
+    return logo
 
-    return ""
+
+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"""
+    Logo(logoname=name, dept_id=dept_id).create(stream)
+
+
+def list_logos():
+    """Crée l'inventaire de tous les logos existants.
+    L'inventaire se présente comme un dictionnaire de dictionnaire de Logo:
+    [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 = {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.id] = _list_dept_logos(dept.id)
+    return inventory
+
+
+def _list_dept_logos(dept_id=None, prefix=scu.LOGO_FILE_PREFIX):
+    """nventorie toutes les images existantes pour un niveau (GLOBAL ou un département).
+     retourne un dictionnaire de Logo [logoname] -> Logo
+    les noms des fichiers concernés doivent être de la forme: <rep>/<prefix><name>.<suffixe>
+    <rep> : répertoire de recherche (déduit du dept_id)
+    <prefix>: le prefix (LOGO_FILE_PREFIX pour les logos)
+    <suffix>: un des suffixes autorisés
+    :param dept_id:  l'id du departement concerné (si None -> global)
+    :param prefix:  le préfixe utilisé
+    :return: le résultat de la recherche ou None si aucune image trouvée
+    """
+    allowed_ext = "|".join(scu.LOGOS_IMAGES_ALLOWED_TYPES)
+    filename_parser = re.compile(f"{prefix}([^.]*).({allowed_ext})")
+    logos = {}
+    path_dir = Path(scu.SCODOC_LOGOS_DIR)
+    if dept_id:
+        path_dir = Path(
+            os.path.sep.join(
+                [scu.SCODOC_LOGOS_DIR, scu.LOGOS_DIR_PREFIX + str(dept_id)]
+            )
+        )
+    if path_dir.exists():
+        for entry in path_dir.iterdir():
+            if os.access(path_dir.joinpath(entry).absolute(), os.R_OK):
+                result = filename_parser.match(entry.name)
+                if result:
+                    logoname = result.group(1)
+                    logos[logoname] = Logo(logoname=logoname, dept_id=dept_id).select()
+    return logos if len(logos.keys()) > 0 else None
+
+
+class Logo:
+    """Responsable des opérations (select, create), du calcul des chemins et url
+    ainsi que de la récupération des informations sur un logp.
+    Usage:
+        logo existant: Logo(<name>, <dept_id>, ...).select() (retourne None si fichier non trouvé)
+        logo en création: Logo(<name>, <dept_id>, ...).create(stream)
+        Les attributs filename, filepath, get_url() ne devraient pas être utilisés avant les opérations
+            select ou save (le format n'est pas encore connu à ce moement là)
+    """
+
+    def __init__(self, logoname, dept_id=None, prefix=scu.LOGO_FILE_PREFIX):
+        """Initialisation des noms et département des logos.
+        if prefix = None on recherche simplement une image 'logoname.*'
+        Le format est renseigné au moment de la lecture (select) ou de la création (create) de l'objet
+        """
+        self.logoname = secure_filename(logoname)
+        self.scodoc_dept_id = dept_id
+        self.prefix = prefix or ""
+        if self.scodoc_dept_id:
+            self.dirpath = os.path.sep.join(
+                [
+                    scu.SCODOC_LOGOS_DIR,
+                    scu.LOGOS_DIR_PREFIX + secure_filename(str(dept_id)),
+                ]
+            )
+        else:
+            self.dirpath = scu.SCODOC_LOGOS_DIR
+        self.basepath = os.path.sep.join(
+            [self.dirpath, self.prefix + secure_filename(self.logoname)]
+        )
+        # next attributes are computer by the select function
+        self.suffix = "Not inited: call the select or create function before access"
+        self.filepath = "Not inited: call the select or create function before access"
+        self.filename = "Not inited: call the select or create function before access"
+        self.size = "Not inited: call the select or create function before access"
+        self.aspect_ratio = (
+            "Not inited: call the select or create function before access"
+        )
+        self.density = "Not inited: call the select or create function before access"
+        self.mm = "Not inited: call the select or create function before access"
+
+    def _set_format(self, fmt):
+        self.suffix = fmt
+        self.filepath = self.basepath + "." + fmt
+        self.filename = self.logoname + "." + fmt
+
+    def _ensure_directory_exists(self):
+        "create enclosing directory if necessary"
+        if not Path(self.dirpath).exists():
+            current_app.logger.info(f"sco_logos creating directory %s", self.dirpath)
+            os.mkdir(self.dirpath)
+
+    def create(self, stream):
+        img_type = guess_image_type(stream)
+        if img_type not in scu.LOGOS_IMAGES_ALLOWED_TYPES:
+            abort(400, "type d'image invalide")
+        self._set_format(img_type)
+        self._ensure_directory_exists()
+        filename = self.basepath + "." + self.suffix
+        with open(filename, "wb") as f:
+            f.write(stream.read())
+        current_app.logger.info(f"sco_logos.store_image %s", self.filename)
+        # erase other formats if they exists
+        for suffix in set(scu.LOGOS_IMAGES_ALLOWED_TYPES) - set([img_type]):
+            try:
+                os.unlink(self.basepath + "." + suffix)
+            except IOError:
+                pass
+
+    def _read_info(self, img):
+        """computes some properties from the real image
+        aspect_ratio assumes that x_density and y_density are equals
+        """
+        x_size, y_size = img.size
+        self.density = img.info.get("dpi", None)
+        unit = 1
+        if self.density is None:  # no dpi found try jfif infos
+            self.density = img.info.get("jfif_density", None)
+            unit = img.info.get("jfif_unit", 0)  # 0 = no unit ; 1 = inch ; 2 = mm
+        if self.density is not None:
+            x_density, y_density = self.density
+            if unit != 0:
+                unit2mm = [0, 1 / 0.254, 0.1][unit]
+                x_mm = round(x_size * unit2mm / x_density, 2)
+                y_mm = round(y_size * unit2mm / y_density, 2)
+                self.mm = (x_mm, y_mm)
+            else:
+                self.mm = None
+        else:
+            self.mm = None
+
+        self.size = (x_size, y_size)
+        self.aspect_ratio = round(float(x_size) / y_size, 2)
+
+    def select(self):
+        """
+        Récupération des données pour un logo existant
+        il doit exister un et un seul fichier image parmi de suffixe/types autorisés
+        (sinon on prend le premier trouvé)
+        cette opération permet d'affiner le format d'un logo de format inconnu
+        """
+        for suffix in scu.LOGOS_IMAGES_ALLOWED_TYPES:
+            path = Path(self.basepath + "." + suffix)
+            if path.exists():
+                self._set_format(suffix)
+                with open(self.filepath, "rb") as f:
+                    img = PILImage.open(f)
+                    self._read_info(img)
+                return self
+        return None
+
+    def get_url(self):
+        """Retourne l'URL permettant d'obtenir l'image du logo"""
+        return url_for(
+            "scodoc.get_logo",
+            dept_id=self.scodoc_dept_id,
+            name=self.logoname,
+            global_if_not_found=False,
+        )
+
+    def get_url_small(self):
+        """Retourne l'URL permettant d'obtenir l'image du logo sous forme de miniature"""
+        return url_for(
+            "scodoc.get_logo_small",
+            dept_id=self.scodoc_dept_id,
+            name=self.logoname,
+            global_if_not_found=False,
+        )
+
+    def get_usage(self):
+        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"">'
+
+    def last_modified(self):
+        path = Path(self.filepath)
+        dt = path.stat().st_mtime
+        return path.stat().st_mtime
 
 
 def guess_image_type(stream) -> str:
@@ -70,26 +285,33 @@ def guess_image_type(stream) -> str:
     return fmt if fmt != "jpeg" else "jpg"
 
 
-def _ensure_directory_exists(filename):
-    "create enclosing directory if necessary"
-    directory = os.path.split(filename)[0]
-    if not os.path.exists(directory):
-        current_app.logger.info(f"sco_logos creating directory %s", directory)
-        os.mkdir(directory)
-
-
-def store_image(stream, basename):
-    img_type = guess_image_type(stream)
-    if img_type not in scu.LOGOS_IMAGES_ALLOWED_TYPES:
-        abort(400, "type d'image invalide")
-    filename = basename + "." + img_type
-    _ensure_directory_exists(filename)
-    with open(filename, "wb") as f:
-        f.write(stream.read())
-    current_app.logger.info(f"sco_logos.store_image %s", filename)
-    # erase other formats if they exists
-    for extension in set(scu.LOGOS_IMAGES_ALLOWED_TYPES) - set([img_type]):
-        try:
-            os.unlink(basename + "." + extension)
-        except IOError:
-            pass
+def make_logo_local(logoname, dept_name):
+    depts = Departement.query.filter_by(acronym=dept_name).all()
+    if len(depts) == 0:
+        print(f"no dept {dept_name} found. aborting")
+        return
+    if len(depts) > 1:
+        print(f"several depts {dept_name} found. aborting")
+        return
+    dept = depts[0]
+    print(f"Move logo {logoname}' from global to {dept.acronym}")
+    old_path_wild = f"/opt/scodoc-data/config/logos/logo_{logoname}.*"
+    new_dir = f"/opt/scodoc-data/config/logos/logos_{dept.id}"
+    logos = glob.glob(old_path_wild)
+    # checks that there is non local already present
+    for logo in logos:
+        filename = os.path.split(logo)[1]
+        new_name = os.path.sep.join([new_dir, filename])
+        if os.path.exists(new_name):
+            print("local version of global logo already exists. aborting")
+            return
+    # create new__dir if necessary
+    if not os.path.exists(new_dir):
+        print(f"- create {new_dir} directory")
+        os.mkdir(new_dir)
+    # move global logo (all suffixes) to local dir note: pre existent file (logo_XXX.*) in local dir does not
+    # prevent operation if there is no conflict with moved files
+    # At this point everything is ok so we can do files manipulation
+    for logo in logos:
+        shutil.move(logo, new_dir)
+    # print(f"moved {n_moves}/{n} etuds")
diff --git a/app/scodoc/sco_pdf.py b/app/scodoc/sco_pdf.py
index 77e6f4e1..85ead167 100755
--- a/app/scodoc/sco_pdf.py
+++ b/app/scodoc/sco_pdf.py
@@ -60,11 +60,7 @@ from reportlab.lib.pagesizes import letter, A4, landscape
 from flask import g
 
 import app.scodoc.sco_utils as scu
-from app.scodoc.sco_utils import (
-    CONFIG,
-    SCODOC_LOGOS_DIR,
-    LOGOS_IMAGES_ALLOWED_TYPES,
-)
+from app.scodoc.sco_utils import CONFIG
 from app import log
 from app.scodoc.sco_exceptions import ScoGenError, ScoValueError
 import sco_version
@@ -196,6 +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
@@ -219,20 +219,16 @@ class ScolarsPageTemplate(PageTemplate):
         )
         PageTemplate.__init__(self, "ScolarsPageTemplate", [content])
         self.logo = None
-        # XXX COPIED from sco_pvpdf, to be refactored (no time now)
-        # Search background in dept specific dir, then in global config dir
-        for image_dir in (
-            SCODOC_LOGOS_DIR + "/logos_" + g.scodoc_dept + "/",
-            SCODOC_LOGOS_DIR + "/",  # global logos
-        ):
-            for suffix in LOGOS_IMAGES_ALLOWED_TYPES:
-                fn = image_dir + "/bul_pdf_background" + "." + suffix
-                if not self.background_image_filename and os.path.exists(fn):
-                    self.background_image_filename = fn
-                # Also try to use PV background
-                fn = image_dir + "/letter_background" + "." + suffix
-                if not self.background_image_filename and os.path.exists(fn):
-                    self.background_image_filename = fn
+        logo = find_logo(
+            logoname="bul_pdf_background", dept_id=g.scodoc_dept_id, prefix=None
+        )
+        if logo is None:
+            # Also try to use PV background
+            logo = find_logo(
+                logoname="letter_background", dept_id=g.scodoc_dept_id, prefix=None
+            )
+        if logo is not None:
+            self.background_image_filename = logo.filepath
 
     def beforeDrawPage(self, canvas, doc):
         """Draws (optional) background, logo and contribution message on each page.
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/scodoc/sco_pvpdf.py b/app/scodoc/sco_pvpdf.py
index 41dce9ba..b8664c51 100644
--- a/app/scodoc/sco_pvpdf.py
+++ b/app/scodoc/sco_pvpdf.py
@@ -52,6 +52,7 @@ from app.scodoc import sco_pdf
 from app.scodoc import sco_preferences
 from app.scodoc import sco_etud
 import sco_version
+from app.scodoc.sco_logos import find_logo
 from app.scodoc.sco_pdf import PDFLOCK
 from app.scodoc.sco_pdf import SU
 
@@ -201,33 +202,36 @@ class CourrierIndividuelTemplate(PageTemplate):
         self.logo_footer = None
         self.logo_header = None
         # Search logos in dept specific dir, then in global scu.CONFIG dir
-        for image_dir in (
-            scu.SCODOC_LOGOS_DIR + "/logos_" + g.scodoc_dept,
-            scu.SCODOC_LOGOS_DIR,  # global logos
-        ):
-            for suffix in scu.LOGOS_IMAGES_ALLOWED_TYPES:
-                if template_name == "PVJuryTemplate":
-                    fn = image_dir + "/pvjury_background" + "." + suffix
-                else:
-                    fn = image_dir + "/letter_background" + "." + suffix
-                if not self.background_image_filename and os.path.exists(fn):
-                    self.background_image_filename = fn
+        if template_name == "PVJuryTemplate":
+            background = find_logo(
+                logoname="pvjury_background",
+                dept_id=g.scodoc_dept_id,
+                prefix="",
+            )
+        else:
+            background = find_logo(
+                logoname="letter_background",
+                dept_id=g.scodoc_dept_id,
+                prefix="",
+            )
+        if not self.background_image_filename and background is not None:
+            self.background_image_filename = background.filepath
 
-                fn = image_dir + "/logo_footer" + "." + suffix
-                if not self.logo_footer and os.path.exists(fn):
-                    self.logo_footer = Image(
-                        fn,
-                        height=LOGO_FOOTER_HEIGHT,
-                        width=LOGO_FOOTER_WIDTH,
-                    )
+        footer = find_logo(logoname="footer", dept_id=g.scodoc_dept_id)
+        if footer is not None:
+            self.logo_footer = Image(
+                footer.filepath,
+                height=LOGO_FOOTER_HEIGHT,
+                width=LOGO_FOOTER_WIDTH,
+            )
 
-                fn = image_dir + "/logo_header" + "." + suffix
-                if not self.logo_header and os.path.exists(fn):
-                    self.logo_header = Image(
-                        fn,
-                        height=LOGO_HEADER_HEIGHT,
-                        width=LOGO_HEADER_WIDTH,
-                    )
+        header = find_logo(logoname="header", dept_id=g.scodoc_dept_id)
+        if header is not None:
+            self.logo_header = Image(
+                header.filepath,
+                height=LOGO_HEADER_HEIGHT,
+                width=LOGO_HEADER_WIDTH,
+            )
 
     def beforeDrawPage(self, canvas, doc):
         """Draws a logo and an contribution message on each page."""
diff --git a/app/scodoc/sco_utils.py b/app/scodoc/sco_utils.py
index 861e9487..c023c738 100644
--- a/app/scodoc/sco_utils.py
+++ b/app/scodoc/sco_utils.py
@@ -283,7 +283,12 @@ if not os.path.exists(SCO_TMP_DIR) and os.path.exists(Config.SCODOC_VAR_DIR):
 # ----- Les logos: /opt/scodoc-data/config/logos
 SCODOC_LOGOS_DIR = os.path.join(SCODOC_CFG_DIR, "logos")
 LOGOS_IMAGES_ALLOWED_TYPES = ("jpg", "jpeg", "png")  # remind that PIL does not read pdf
+LOGOS_DIR_PREFIX = "logos_"
+LOGO_FILE_PREFIX = "logo_"
 
+# forme générale des noms des fichiers logos/background:
+# SCODOC_LOGO_DIR/LOGO_FILE_PREFIX<name>.<suffix>   (fichier global) ou
+# SCODOC_LOGO_DIR/LOGOS_DIR_PREFIX<dept_id>/LOGO_FILE_PREFIX<name>.<suffix> (fichier départemental)
 
 # ----- Les outils distribués
 SCO_TOOLS_DIR = os.path.join(Config.SCODOC_DIR, "tools")
diff --git a/app/static/css/scodoc.css b/app/static/css/scodoc.css
index f41cb4e3..ac075128 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 6dcf1c51..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 %}
@@ -16,38 +18,102 @@
 </div>
 {% endmacro %}
 
+{% 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 {{ scodoc_dept }}</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)}}
-    {% endif %}
-
     <div class="configuration_logo">
-        <h3>Logo en-tête</h3>
-        <p class="help">image placée en haut de certains documents documents PDF. Image actuelle:</p>
-        <div class="img-container"><img src="{{ url_for('scodoc.logo_header', scodoc_dept=scodoc_dept) }}"
-                alt="pas de logo chargé" /></div>
-        {{ render_field(form.logo_header) }}
-        <h3>Logo pied de page</h3>
-        <p class="help">image placée en pied de page de certains documents documents PDF. Image actuelle:</p>
-        <div class="img-container"><img src="{{ url_for('scodoc.logo_footer', scodoc_dept=g.scodoc_dept) }}"
-                alt="pas de logo chargé" /></div>
-        {{ render_field(form.logo_footer) }}
+        <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()")}}
+
+        <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>
-    <!-- <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/views/scodoc.py b/app/views/scodoc.py
index c8ea5aad..301dfbb4 100644
--- a/app/views/scodoc.py
+++ b/app/views/scodoc.py
@@ -30,6 +30,11 @@ Module main: page d'accueil, avec liste des départements
 
 Emmanuel Viennet, 2021
 """
+import datetime
+import io
+
+import wtforms.validators
+
 from app.auth.models import User
 import os
 
@@ -38,13 +43,13 @@ from flask import abort, flash, url_for, redirect, render_template, send_file
 from flask import request
 from flask.app import Flask
 import flask_login
-from flask_login.utils import login_required
+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
+from wtforms import SelectField, SubmitField, FormField, validators, Form, FieldList
 from wtforms.fields import IntegerField
-from wtforms.fields.simple import BooleanField, StringField, TextAreaField
+from wtforms.fields.simple import BooleanField, StringField, TextAreaField, HiddenField
 from wtforms.validators import ValidationError, DataRequired, Email, EqualTo
 
 import app
@@ -52,7 +57,7 @@ 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 (
@@ -60,11 +65,16 @@ 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
 from app.views import scodoc_bp as bp
 
+from PIL import Image as PILImage
+
 
 @bp.route("/")
 @bp.route("/ScoDoc")
@@ -173,43 +183,6 @@ def about(scodoc_dept=None):
 
 # ---- CONFIGURATION
 
-
-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()
-        ],
-    )
-
-    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")
-
-
 # Notes pour variables config: (valeurs par défaut des paramètres de département)
 # Chaines simples
 # SCOLAR_FONT = "Helvetica"
@@ -231,55 +204,74 @@ 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.logo_header.data:
-            sco_logos.store_image(
-                form.logo_header.data, os.path.join(scu.SCODOC_LOGOS_DIR, "logo_header")
-            )
-        if form.logo_footer.data:
-            sco_logos.store_image(
-                form.logo_footer.data, os.path.join(scu.SCODOC_LOGOS_DIR, "logo_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()
 
 
-def _return_logo(logo_type="header", scodoc_dept=""):
+SMALL_SIZE = (200, 200)
+
+
+def _return_logo(name="header", dept_id="", small=False, strict: bool = True):
     # stockée dans /opt/scodoc-data/config/logos donc servie manuellement ici
-    filename = sco_logos.get_logo_filename(logo_type, scodoc_dept)
-    if filename:
-        extension = os.path.splitext(filename)[1]
-        return send_file(filename, mimetype=f"image/{extension}")
+    # from app.scodoc.sco_photos import _http_jpeg_file
+
+    logo = sco_logos.find_logo(name, dept_id, strict).select()
+    if logo is not None:
+        suffix = logo.suffix
+        if small:
+            with PILImage.open(logo.filepath) as im:
+                im.thumbnail(SMALL_SIZE)
+                stream = io.BytesIO()
+                # on garde le même format (on pourrait plus simplement générer systématiquement du JPEG)
+                fmt = {  # adapt suffix to be compliant with PIL save format
+                    "PNG": "PNG",
+                    "JPG": "JPEG",
+                    "JPEG": "JPEG",
+                }[suffix.upper()]
+                im.save(stream, fmt)
+                stream.seek(0)
+                return send_file(stream, mimetype=f"image/{fmt}")
+        else:
+            # return _http_jpeg_file(logo.filepath)
+            #  ... replaces ...
+            return send_file(
+                logo.filepath,
+                mimetype=f"image/{suffix}",
+                last_modified=datetime.datetime.now(),
+            )
     else:
-        return ""
+        abort(404)
 
 
-@bp.route("/ScoDoc/logo_header")
-@bp.route("/ScoDoc/<scodoc_dept>/logo_header")
-def logo_header(scodoc_dept=""):
-    "Image logo header"
-    # "/opt/scodoc-data/config/logos/logo_header")
-    return _return_logo(logo_type="header", scodoc_dept=scodoc_dept)
+#  small version (copy/paste from get_logo
+@bp.route("/ScoDoc/logos/<name>/small", defaults={"dept_id": None})
+@bp.route("/ScoDoc/<int:dept_id>/logos/<name>/small")
+@admin_required
+def get_logo_small(name: str, dept_id: int):
+    strict = request.args.get("strict", "False")
+    return _return_logo(
+        name,
+        dept_id=dept_id,
+        small=True,
+        strict=strict.upper() not in ["0", "FALSE"],
+    )
 
 
-@bp.route("/ScoDoc/logo_footer")
-@bp.route("/ScoDoc/<scodoc_dept>/logo_footer")
-def logo_footer(scodoc_dept=""):
-    "Image logo footer"
-    return _return_logo(logo_type="footer", scodoc_dept=scodoc_dept)
+@bp.route(
+    "/ScoDoc/logos/<name>", defaults={"dept_id": None}
+)  # if dept not specified, take global logo
+@bp.route("/ScoDoc/<int:dept_id>/logos/<name>")
+@admin_required
+def get_logo(name: str, dept_id: int):
+    strict = request.args.get("strict", "False")
+    return _return_logo(
+        name,
+        dept_id=dept_id,
+        small=False,
+        strict=strict.upper() not in ["0", "FALSE"],
+    )
 
 
 # essais
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/scodoc.py b/scodoc.py
index cfea19d7..3204c766 100755
--- a/scodoc.py
+++ b/scodoc.py
@@ -22,6 +22,7 @@ from app import models
 
 from app.auth.models import User, Role, UserRole
 from app.models import ScoPreference
+from app.scodoc.sco_logos import make_logo_local
 from app.models import Formation, UniteEns, Module
 from app.models import FormSemestre, FormsemestreInscription
 from app.models import ModuleImpl, ModuleImplInscription
@@ -340,6 +341,28 @@ def migrate_scodoc7_dept_archives(dept: str):  # migrate-scodoc7-dept-archives
     tools.migrate_scodoc7_dept_archives(dept)
 
 
+@app.cli.command()
+@click.argument("dept", default="")
+@with_appcontext
+def migrate_scodoc7_dept_logos(dept: str = ""):  # migrate-scodoc7-dept-logos
+    """Post-migration: renomme les logos en fonction des id / dept de ScoDoc 9"""
+    tools.migrate_scodoc7_dept_logos(dept)
+
+
+@app.cli.command()
+@click.argument("logo", default=None)
+@click.argument("dept", default=None)
+@with_appcontext
+def localize_logo(logo: str = None, dept: str = None):  # migrate-scodoc7-dept-logos
+    """Make local to a dept a global logo  (both logo and dept names are mandatory)"""
+    if logo in ["header", "footer"]:
+        print(
+            f"Can't make logo '{logo}' local: add a local version throught configuration form instead"
+        )
+        return
+    make_logo_local(logoname=logo, dept_name=dept)
+
+
 @app.cli.command()
 @click.argument("formsemestre_id", type=click.INT)
 @click.argument("xlsfile", type=click.File("rb"))
diff --git a/tests/ressources/test_logos/logo_A.jpg b/tests/ressources/test_logos/logo_A.jpg
new file mode 100644
index 00000000..1da64b66
Binary files /dev/null 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..66ecf45f
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
new file mode 100644
index 00000000..523201bc
Binary files /dev/null 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
new file mode 100644
index 00000000..d7a73011
Binary files /dev/null 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
new file mode 100644
index 00000000..64c60165
Binary files /dev/null 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
new file mode 100644
index 00000000..20728130
Binary files /dev/null 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
new file mode 100644
index 00000000..6d183db1
Binary files /dev/null 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
new file mode 100644
index 00000000..7c1708f1
Binary files /dev/null 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
new file mode 100644
index 00000000..130269a6
Binary files /dev/null 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..ee9da2ec
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
new file mode 100644
index 00000000..b5cf4238
--- /dev/null
+++ b/tests/unit/test_logos.py
@@ -0,0 +1,244 @@
+# -*- coding: utf-8 -*-
+
+"""Test Logos
+
+
+Utiliser comme: 
+    pytest tests/unit/test_logos.py
+
+"""
+from pathlib import Path
+from shutil import copytree, copy, rmtree
+
+import pytest as pytest
+from _pytest.python_api import approx
+
+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,
+    GLOBAL,
+    write_logo,
+    delete_logo,
+)
+
+RESOURCES_DIR = "/opt/scodoc/tests/ressources/test_logos"
+
+
+@pytest.fixture
+def create_dept(test_client):
+    """Crée 2 départements:
+    return departements object
+    """
+    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, dept3
+    db.session.delete(dept1)
+    db.session.delete(dept2)
+    db.session.delete(dept3)
+    db.session.commit()
+
+
+@pytest.fixture
+def create_logos(create_dept):
+    """Crée les logos:
+    ...logos --+-- logo_A.jpg
+               +-- logo_C.jpg
+               +-- logo_D.png
+               +-- logo_E.jpg
+               +-- logo_F.jpeg
+               +-- logos_{d1} --+-- logo_A.jpg
+               |                +-- logo_B.jpg
+               +-- logos_{d2} --+-- logo_A.jpg
+
+    """
+    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)
+        to_path = Path(scu.SCODOC_LOGOS_DIR).joinpath(fn)
+        copy(from_path.absolute(), to_path.absolute())
+    copytree(
+        f"{RESOURCES_DIR}/logos_1",
+        f"{scu.SCODOC_LOGOS_DIR}/logos_{d1}",
+    )
+    copytree(
+        f"{RESOURCES_DIR}/logos_2",
+        f"{scu.SCODOC_LOGOS_DIR}/logos_{d2}",
+    )
+    yield None
+    rmtree(f"{scu.SCODOC_LOGOS_DIR}/logos_{d1}")
+    rmtree(f"{scu.SCODOC_LOGOS_DIR}/logos_{d2}")
+    # rm files
+    for fn in FILE_LIST:
+        to_path = Path(scu.SCODOC_LOGOS_DIR).joinpath(fn)
+        to_path.unlink()
+
+
+def test_select_global_only(create_logos):
+    C_logo = app.scodoc.sco_logos.find_logo(logoname="C")
+    assert C_logo.filepath == f"{scu.SCODOC_LOGOS_DIR}/logo_C.jpg"
+
+
+def test_select_local_only(create_dept, create_logos):
+    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, 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, 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, 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, dept3 = create_dept
+    no_logo = app.scodoc.sco_logos.find_logo(
+        logoname="C", dept_id=dept1.id, strict=True
+    )
+    assert no_logo is None
+
+
+def test_get_jpg_data(create_dept, create_logos):
+    logo = find_logo("A", dept_id=None)
+    assert logo is not None
+    logo.select()
+    assert logo.logoname == "A"
+    assert logo.suffix == "jpg"
+    assert logo.filename == "A.jpg"
+    assert logo.size == (224, 131)
+    assert logo.mm == approx((9.38, 5.49), 0.1)
+
+
+def test_get_png_without_data(create_dept, create_logos):
+    logo = find_logo("D", dept_id=None)
+    assert logo is not None
+    logo.select()
+    assert logo.logoname == "D"
+    assert logo.suffix == "png"
+    assert logo.filename == "D.png"
+    assert logo.size == (140, 131)
+    assert logo.density is None
+    assert logo.mm is None
+
+
+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")
+    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):
+    # action
+    logo = Logo("D")  # create global logo (replace logo_D.png)
+    path = Path(f"{RESOURCES_DIR}/logo_C.jpg")
+    stream = path.open("rb")
+    logo.create(stream)
+    # test
+    created = Path(f"{scu.SCODOC_LOGOS_DIR}/logo_D.jpg")
+    removed = Path(f"{scu.SCODOC_LOGOS_DIR}/logo_D.png")
+    # file system check
+    assert created.exists()
+    assert not removed.exists()
+    # logo check
+    logo = find_logo("D")
+    assert logo is not None
+    assert logo.filepath == f"{scu.SCODOC_LOGOS_DIR}/logo_D.jpg"  # created.absolute()
+    # restore initial state
+    original = Path(f"{RESOURCES_DIR}/logo_D.png")
+    copy(original, removed)
+    created.unlink(missing_ok=True)
+
+
+def test_list_logo(create_dept, create_logos):
+    # test only existence of copied logos. We assumes that they are OK
+    dept1, dept2, dept3 = create_dept
+    logos = list_logos()
+    assert set(logos.keys()) == {dept1.id, dept2.id, None}
+    assert {"A", "C", "D", "E", "F", "header", "footer"}.issubset(
+        set(logos[None].keys())
+    )
+    rt = logos.get(dept1.id, None)
+    assert rt is not None
+    assert {"A", "B"}.issubset(set(rt.keys()))
+    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
diff --git a/tools/__init__.py b/tools/__init__.py
index 7ed85cae..ac9e681c 100644
--- a/tools/__init__.py
+++ b/tools/__init__.py
@@ -7,3 +7,4 @@
 from tools.import_scodoc7_user_db import import_scodoc7_user_db
 from tools.import_scodoc7_dept import import_scodoc7_dept
 from tools.migrate_scodoc7_archives import migrate_scodoc7_dept_archives
+from tools.migrate_scodoc7_logos import migrate_scodoc7_dept_logos
diff --git a/tools/migrate_from_scodoc7.sh b/tools/migrate_from_scodoc7.sh
index 59c0cee8..7d4132ca 100755
--- a/tools/migrate_from_scodoc7.sh
+++ b/tools/migrate_from_scodoc7.sh
@@ -274,6 +274,9 @@ done
 # ----- Post-Migration: renomme archives en fonction des nouveaux ids
 su -c "(cd $SCODOC_DIR && source venv/bin/activate && flask migrate-scodoc7-dept-archives)" "$SCODOC_USER" || die "Erreur de la post-migration des archives"
 
+# ----- Post-Migration: renomme logos en fonction des nouveaux ids
+su -c "(cd $SCODOC_DIR && source venv/bin/activate && flask migrate-scodoc7-dept-logos)" || die "Erreur de la post-migration des logos"
+
 
 # --- Si migration "en place", désactive ScoDoc 7
 if [ "$INPLACE" == 1 ]
diff --git a/tools/migrate_scodoc7_logos.py b/tools/migrate_scodoc7_logos.py
new file mode 100644
index 00000000..57c7775f
--- /dev/null
+++ b/tools/migrate_scodoc7_logos.py
@@ -0,0 +1,53 @@
+# -*- mode: python -*-
+# -*- coding: utf-8 -*-
+
+import glob
+import os
+import shutil
+
+from app.models import Departement
+
+
+def migrate_scodoc7_dept_logos(dept_name=""):
+    if dept_name:
+        depts = Departement.query.filter_by(acronym=dept_name)
+    else:
+        depts = Departement.query
+    n_dir = 0
+    n_moves = 0
+    n_depts = 0
+    purged_candidates = []  # directory that maybe purged at the end
+    for dept in depts:
+        logos_dir7 = f"/opt/scodoc-data/config/logos/logos_{dept.acronym}"
+        logos_dir9 = f"/opt/scodoc-data/config/logos/logos_{dept.id}"
+        if os.path.exists(logos_dir7):
+            print(f"Migrating {dept.acronym} logos...")
+            purged_candidates.append(logos_dir7)
+            n_depts += 1
+            if not os.path.exists(logos_dir9):
+                # print(f"renaming {logos_dir7} to {logos_dir9}")
+                shutil.move(logos_dir7, logos_dir9)
+                n_dir += 1
+            else:
+                # print(f"merging {logos_dir7} with {logos_dir9}")
+                for logo in glob.glob(f"{logos_dir7}/*"):
+                    # print(f"\tmoving {logo}")
+                    fn = os.path.split(logo)[1]
+                    if not os.path.exists(os.path.sep.join([logos_dir9, fn])):
+                        shutil.move(logo, logos_dir9)
+                        n_moves += 1
+    n_purged = 0
+    for candidate in purged_candidates:
+        if len(os.listdir(candidate)) == 0:
+            os.rmdir(candidate)
+            n_purged += 1
+    print(f"{n_depts} department(s) scanned")
+    if n_dir:
+        print(f"{n_dir} directory(ies) moved")
+    if n_moves:
+        print(f"{n_moves} file(s) moved")
+    if n_purged:
+        print(f"{n_purged} scodoc7 logo dir(s) removed")
+    if n_dir + n_moves + n_purged == 0:
+        print("nothing done")
+    # print(f"moved {n_moves}/{n} etuds")