diff --git a/get.py b/get.py
index 6872ece..885faa7 100755
--- a/get.py
+++ b/get.py
@@ -9,6 +9,7 @@ import pdb  # used for debugging
 import inspect  # used for debugging
 import random
 import sys
+import re
 
 # Third-party libs
 import requests
@@ -34,8 +35,10 @@ def debug(*args):
         debug.counter += 1
     caller_frame = inspect.currentframe().f_back
     where = str(caller_frame.f_lineno) + "@" + caller_frame.f_code.co_name
-    if len(args) > 0:
+    if len(args) > 1:
         print(f"[DEBUG {debug.counter}:{where}] " + str(args[0]), args[1:])
+    elif len(args) > 0:
+        print(f"[DEBUG {debug.counter}:{where}] " + str(args[0]))
     else:
         print(f"[DEBUG {debug.counter}:{where}] (no reason given)")
 
@@ -70,10 +73,6 @@ API_URL = f"{SCODOC_SERVER}/ScoDoc/api"
 DEBUG = True  # Not used
 BLOCKING = True  # Die if csv is incorrect
 
-# TODO : refactor / put globals in a class, eg Config
-depts = []
-orderkey = ""
-
 
 def blockordie(reason: str = "", status: int = 2):
     if reason:
@@ -84,73 +83,439 @@ def blockordie(reason: str = "", status: int = 2):
         sys.exit(status)
 
 
-class Options:
-    pass
+class Filter:
+    # Filter on students to be considered
+    # 1 consider only technological baccalaureates, statistics are always asked
+    # 2 consider only women, because gender statistics are frequently asked
+    # 4 consider only incoming students (primo-entrants) in first year of the cohort
+    # 8 consider only people having a first year, not parallel entries
+    TECHNO = 1
+    WOMAN = 2
+    PRIMO = 4
+    MAIN = 8
+
+
+class OptionSet:
+    def __init__(self, values={}):
+        # Initialise un dictionnaire interne pour stocker les options
+        if type(values) == type({}):
+            self._options = values
+        else:
+            self._options = {}
+        self._orderkey = None
+        self._main_filter = None
+        self._secondary_filter = None
+        self._depts = []
+
+    def __getitem__(self, key):
+        # Récupère la valeur correspondant à la clé
+        return self._options[key]
+
+    def __setitem__(self, key, value):
+        # Assigne la valeur à la clé donnée
+        self._options[key] = value
+
+    def __delitem__(self, key):
+        # Supprime la clé spécifiée
+        if key in self._options:
+            del self._options[key]
+
+    def __contains__(self, key):
+        # Permet l'utilisation de 'in' pour vérifier l'existence d'une clé
+        return key in self._options
+
+    def __getattr__(self, name):
+        try:
+            return self._options[name]
+        except KeyError:
+            raise AttributeError(f"'Options' object has no attribute '{name}'")
+
+    def __setattr__(self, name, value):
+        if name[0] == "_":
+            super().__setattr__(name, value)
+        else:
+            self._options[name] = value
+
+    def __delattr__(self, name):
+        # Appelé quand un attribut est supprimé
+        if name in self._options:
+            del self._options[name]
+        else:
+            raise AttributeError(f"'Options' object has no attribute '{name}'")
+
+    def __repr__(self):
+        return f"Options({self._options})"
+
+    def asDict(self):
+        return self._options
+
+    def asCLI(self, excludeDefault=True, onlyOrders=False, depts=True):
+        cli = []
+        if not onlyOrders:
+            for opt in self.__class__.choiceoptions:
+                if self[opt[0]] == 0 and excludeDefault:
+                    continue
+                cli.append("--" + opt[1][self[opt[0]]])
+            for opt in self.__class__.stringoptions:
+                if excludeDefault and self[opt[0]] == opt[1]:
+                    continue
+                cli.append("--" + opt[0])
+                cli.append(self[opt[0]])
+            for opt in self.__class__.posint_options:
+                if excludeDefault and self[opt[0]] == opt[1]:
+                    continue
+                cli.append("--" + opt[0])
+                cli.append(self[opt[0]])
+            for opt in self.__class__.booleanoptions:
+                if excludeDefault and self[opt[0]] == opt[1]:
+                    continue
+                if self[opt[0]]:
+                    cli.append("--" + opt[0])
+                else:
+                    cli.append("--no-" + opt[0])
+            if "override" in self._options:
+                for FIELD, FIELDdict in self._options["override"].items():
+                    for FIELDVALUE, FIELDVALUEdict in FIELDdict.items():
+                        for key, val in FIELDVALUEdict.items():
+                            cli.extend(["--override", FIELD, FIELDVALUE, key, val])
+        if "orders" in self._options:
+            orders = self._options["orders"]
+            cli.append("--orders")
+            for i, column in enumerate(orders):
+                if i > 0:
+                    cli.append("/")
+                for row in column:
+                    cli.append(row)
+            cli.append(".")
+        if depts:
+            cli.extend(self._depts)
+        return cli
+
+    def orderkey(self, filters=False):
+        if filters:
+            d = self._depts.copy()
+            d.append(str(self.filter()))
+            d.append(str(self.filter(main=False)))
+            return "_".join(d)
+        if self._orderkey is not None:
+            return self._orderkey
+        self._orderkey = "_".join(self._depts)
+        return self._orderkey
+
+    def depts(self, xset=None):
+        if xset:
+            self._depts = xset
+        return self._depts
+
+    def filter(self, main: bool = True):
+        r = 0
+        stem = "base"
+        if not main:
+            if self._secondary_filter is not None:
+                return self._secondary_filter
+            stem = "secondary"
+        else:
+            if self._main_filter is not None:
+                return self._main_filter
+        for suffix, f in {"techno": Filter.TECHNO, "women": Filter.WOMAN}.items():
+            option = f"{stem}_{suffix}"
+            if option in self._options and self._options[option]:
+                r |= f
+        if main:
+            self._main_filter = r
+            return r
+        self._secondary_filter = r | self.filter()
+        return self._secondary_filter
+
+    stringoptions = [
+        [
+            "department_separator",
+            " ",
+            "Separator before department in semester designation/display/origin designation",
+        ],
+        [
+            "diplome_separator",
+            "",
+            "Separator before diploma in semester designation/display/origin designation",
+        ],
+        [
+            "modalite_separator",
+            " ",
+            "Separator before modality in semester designation/display/origin designation",
+        ],
+        [
+            "parcours_separator",
+            "/",
+            "Separator before parcours in semester designation/display/origin designation",
+        ],
+        [
+            "rank_separator",
+            "",
+            "Separator before rank (~year of progress) in cursus designation/display/origin designation",
+        ],
+        [
+            "year_separator",
+            " ",
+            "Separator before year in semester designation/display/origin designation",
+        ],
+        [
+            "nick",
+            "{diplome}{rank}{multidepartment}{modalite}{parcours}{year}",
+            "Yearly cursus designation (should be unique for each distinguisable cursus choice)",
+        ],
+        [
+            "displayname",
+            "{diplome}{rank}{multidepartment}{modaliteshort}{parcours}",
+            "Yearly cursus origin (used only for captionning the flow)",
+        ],
+        [
+            "extnick",
+            "{ext}{rank}{multidepartment}{diplomenobut}{modaliteshort}",
+            "Origin designation (should be unique for each distinguisable origin of students)",
+        ],
+    ]
+
+    choiceoptions = [["algo", ["optimize", "reuse", "restart"]]]
+
+    booleanoptions = [
+        ["base_techno", False, "Base population includes only techno students"],
+        ["base_women", False, "Base population includes only women students"],
+        [
+            "secondary_techno",
+            True,
+            "Secondary (focused) population includes only techno students",
+        ],
+        [
+            "secondary_women",
+            False,
+            "Secondary (focused) population includes only women students",
+        ],
+    ]
+
+    posint_options = [
+        ["spacing", 14, 0, 30, "Spacing between groups in the same column"],
+        ["thickness", 6, 0, 30, "Width of the group bars in columns"],
+        ["hmargin", 20, 0, 50, "Global margin around the graph"],
+        ["fontsize_name", 10, 0, 30, "Font size of the group name"],
+        ["fontsize_count", 14, 0, 30, "Font size of the population marks"],
+        ["width", 1300, 800, None, "Width of the graphics (not counting captions)"],
+        ["statwidth", 300, 0, None, "Width of the side caption"],
+        ["height", 0, 0, None, "Height of the graphics (0 = automaticd)"],
+        ["loops", 300, 0, 1000, "Number of loops of the optimization algorithm"],
+        ["baseyear", 2021, 2000, None, "Base year (start of the cohort)"],
+    ]
+
+    shortcuts = {"baseyear": ["--base", "-b"], "loops": ["-l"]}
+
+
+def range_limited_int_type(arg, MIN_VAL, MAX_VAL):
+    """Type function for argparse - an integer within some predefined bounds"""
+    try:
+        f = int(arg)
+    except ValueError:
+        raise argparse.ArgumentTypeError("Must be an integer point number")
+    if MIN_VAL is not None and f < MIN_VAL:
+        raise argparse.ArgumentTypeError(
+            "Argument must be larger or equal to " + str(MIN_VAL)
+        )
+    if MAX_VAL is not None and f > MAX_VAL:
+        raise argparse.ArgumentTypeError(
+            "Argument must be smaller or equal to " + str(MAX_VAL)
+        )
+    return f
+
+
+def format_for_shell(strings):
+    # Regex pour détecter les caractères spéciaux
+    special_chars = re.compile(r"[^+/.a-zA-Z0-9_-]")
+
+    formatted_strings = []
+    for ss in strings:
+        s = str(ss)
+        if special_chars.search(s):  # Si la chaîne contient des caractères spéciaux
+            formatted_s = "'" + s.replace("'", "'\"'\"'") + "'"
+        elif len(s) == 0:
+            formatted_s = "''"
+        else:
+            formatted_s = s
+        formatted_strings.append(formatted_s)
+
+    # Concatène les chaînes pour qu'elles soient prêtes à copier-coller dans le shell
+    return " ".join(formatted_strings)
 
 
-#
 def cli_check():
     """Read args from the command line
     then read config from {orderkey}.json
     """
-    global orderkey  # TODO: globales à supprimer
-    global depts
+    parser = argparse.ArgumentParser(
+        usage="""
+    %(prog)s [--options] DEPARTEMENTS...
 
-    parser = argparse.ArgumentParser(description="Process some departments.")
-    parser.add_argument("depts", nargs="*", help="List of departments")
+    OR
+
+    %(prog)s FILE.json
+    """,
+        description="Create a sankey diagram for the evolution of students through some departments.",
+    )
     parser.add_argument(
-        "--base",
-        "-b",
-        type=int,
-        choices=range(2000, 2067),
-        default=2021,
-        help="base year for the cohort (integer between 2000 and 2666)",
+        "--orders",
+        nargs="+",
+        help="Start of orders list with subgroups separated by / ended by .",
     )
+
+    parser.add_argument("depts", nargs="*", help="List of departments")
+
+    # STRING OPTIONS
+    for opt in OptionSet.stringoptions:
+        xopt = ["--" + opt[0]]
+        if opt[0] in OptionSet.shortcuts:
+            xopt.extend(OptionSet.shortcuts[opt[0]])
+        parser.add_argument(*xopt, type=str, default=opt[1], help=opt[2])
+
+    # POSITIVE INTEGERS OPTIONS
+    for opt in OptionSet.posint_options:
+        xopt = ["--" + opt[0]]
+        if opt[0] in OptionSet.shortcuts:
+            xopt.extend(OptionSet.shortcuts[opt[0]])
+        optrange = ""
+        if opt[3] == None and opt[2] != None:
+            optrange = f" larger or equal to {opt[2]}"
+        elif opt[2] == None and opt[3] != None:
+            optrange = f" smaller than {opt[3]}"
+        elif opt[2] != None and opt[3] != None:
+            optrange = f" (between {opt[2]} and {opt[3]})"
+
+        def rangefactory(y, z):
+            return lambda x: range_limited_int_type(x, y, z)
+
+        parser.add_argument(
+            *xopt,
+            type=rangefactory(opt[2], opt[3]),
+            default=opt[1],
+            help=opt[4] + optrange,
+        )
+
+    # BOOLEAN OPTIONS
+    for opt in OptionSet.booleanoptions:
+        g = parser.add_mutually_exclusive_group()
+        xopt = ["--" + opt[0]]
+        if opt[0] in OptionSet.shortcuts:
+            xopt.extend(OptionSet.shortcuts[opt[0]])
+        g.add_argument(*xopt, action="store_true", default=opt[1], help=opt[2])
+        xopt = ["--no-" + opt[0]]
+        if "no-" + opt[0] in OptionSet.shortcuts:
+            xopt.extend(OptionSet.shortcuts["no-" + opt[0]])
+        g.add_argument(
+            *xopt,
+            action="store_true",
+            # help=opt[2].replace("includes only", "doesn't care about"),
+        )
+
+    # OTHER OPTIONS
+
+    parser.add_argument(
+        "--override",
+        nargs=4,
+        metavar=(
+            "FIELD",
+            "FIELD_VALUE",
+            "REPLACEMENT_FIELD",
+            "REPLACEMENT_FIELD_VALUE",
+        ),
+        help="Override a specific field with a fixed value in some specific semester(s) selected by FIELD=FIELD_VALUE",
+    )
+
     optimize_group = parser.add_mutually_exclusive_group()
-    optimize_group.add_argument(
-        "--reuse", action="store_true", help="Reuse mode, sets value to 0"
-    )
+    optimize_group.add_argument("--reuse", "-r", action="store_true", help="Reuse mode")
     optimize_group.add_argument(
         "--optimize",
-        type=str,
-        nargs="?",
-        const="100",  # Default value if --optimize is used without specifying n
-        help="Optimize mode, takes an optional integer (default is 100, or 300 if no optimization option specified)",
+        "-o",
+        action="store_true",
+        help="Use algorithm to enhance graph (using last result)",
     )
+
     optimize_group.add_argument(
         "--restart",
-        type=str,
-        nargs="?",
-        const="300",  # Default value if --restart is used without specifying n
-        help="Restart & Optimize mode, takes an optional integer (default is 300)",
+        "-R",
+        action="store_true",
+        help="Use algorithm to enhance graph (starting from random)",
     )
-    args = parser.parse_args()
-    Options.restart = False
-    if args.reuse:
-        Options.optimize = 0
-    elif args.restart is not None:
-        Options.restart = True
+    if len(sys.argv) > 1 and sys.argv[1].endswith(".json"):
         try:
-            Options.optimize = -int(args.restart)
-        except (TypeError, ValueError):
-            Options.optimize = -300
-            if args.restart:
-                args.depts.insert(0, args.restart)
+            json_file = sys.argv[1]
+            with open(json_file, "r") as f:
+                fakeclisource = json.load(f)
+                fakecli = [str(x) for x in fakeclisource]
+        except FileNotFoundError:
+            die(f"Error: File '{json_file}' not found.", 1)
+        except json.JSONDecodeError:
+            die(f"Error: File '{json_file}' is not valid JSON.", 1)
+        args = parser.parse_args(args=fakecli)
     else:
-        try:
-            Options.optimize = int(args.optimize)
-        except (TypeError, ValueError):
-            Options.optimize = 300
-            if args.optimize:
-                args.depts.insert(0, args.optimize)
-
-    Options.base_year = args.base
-    depts = args.depts
-    orderkey = "_".join(depts)
-
-    if len(depts) == 0:
+        args = parser.parse_args()
+    if len(args.depts) == 0 and (
+        args.orders is None or args.orders[-1] == "." or "." not in args.orders
+    ):
         parser.print_help()
         sys.exit(0)
+    return args
+
+
+def options_from_args(args):
+    Options = OptionSet()
+    # Gestion de --orders pour construire le tableau 2D
+    orders = []
+    if args.depts:
+        depts = args.depts
+    else:
+        depts = []
+    if args.orders:
+        current_order = []
+        l = args.orders.copy()
+        idx = 0
+        while len(l) > idx:
+            item = l[idx]
+            idx += 1
+            if item == "/":
+                # Nouvelle ligne à chaque "--next"
+                orders.append(current_order)
+                current_order = []
+            elif item == ".":
+                # Fin de la liste d'ordres
+                orders.append(current_order)
+                break
+            else:
+                # Ajouter l'élément au sous-groupe en cours
+                current_order.append(item)
+        depts.extend(l[idx:])
+    Options["orders"] = orders
+    dargs = vars(args)
+    for opt in OptionSet.posint_options:
+        if opt[0] in dargs:
+            Options[opt[0]] = dargs[opt[0]]
+    for opt in OptionSet.stringoptions:
+        if opt[0] in dargs:
+            Options[opt[0]] = dargs[opt[0]]
+    for opt in OptionSet.booleanoptions:
+        if opt[0] in dargs:
+            if "no_" + opt[0] in dargs and dargs["no_" + opt[0]]:
+                Options[opt[0]] = not dargs["no_" + opt[0]]
+            else:
+                Options[opt[0]] = dargs[opt[0]]
+    if not (args.reuse or args.restart or args.optimize):
+        Options.algo = 0
+    else:
+        Options.algo = 0 if args.optimize else (1 if args.reuse else 2)
+    Options.depts(depts)
+    return Options
+
+
+def merge_options(Options, jsondict):
+    if "override" in jsondict:
+        Options["override"] = jsondict["override"]
+    if "orders" in jsondict:
+        Options["orders"] = jsondict["orders"]
 
 
 def api_url(dept: str | None = None):
@@ -161,9 +526,6 @@ def api_url(dept: str | None = None):
     )
 
 
-cli_check()
-
-
 def read_conf(key):
     if os.path.exists(f"{key}.json"):
         with open(f"{key}.json", "r") as f:
@@ -177,44 +539,11 @@ def write_conf(key, obj):
     return {}
 
 
-conf = read_conf(orderkey)
+Options = options_from_args(cli_check())
+orderkey = Options.orderkey()
+depts = Options.depts()
 
-defaults = {
-    "spacing": 14,
-    "thickness": 6,
-    "fontsize_name": 10,
-    "fontsize_count": 14,
-    "width": 1300,
-    "height": 0,
-    "hmargin": 20,
-    "parcours_separator": "/",
-    "year_separator": " ",
-    "rank_separator": "",
-    "diplome_separator": "",
-    "reuse": "yes",
-    "optimize": "yes",
-    "main_filter": 0,
-    "secondary_filter": 1,
-}
-
-
-def conf_value(xkey: str):
-    """Manage default values"""
-    if xkey in conf:
-        return conf[xkey]
-    if xkey in defaults:
-        return defaults[xkey]
-    if xkey[-9:] == "separator":
-        return " "
-    if xkey == "nick":
-        return "{diplome}{rank}{multidepartment}{modalite}{parcours}{year}"
-    if xkey == "displayname":
-        return "{diplome}{rank}{multidepartment}{modaliteshort}{parcours}"
-    if xkey == "extnick":
-        return "{ext}{rank}{multidepartment}{diplomenobut}{modaliteshort}"
-    if xkey == "orders":
-        return [[], [], [], [], []]
-    return {}
+defaults = {}
 
 
 student = {}
@@ -393,7 +722,9 @@ def get_jury_from_formsem(dept: str, semid):
 
 
 def get_override(sem, xkey, default=None):
-    overrides = conf_value("override")
+    if "overrides" not in Options:
+        return default
+    overrides = Options.override
     for j in ["titre_num", "titre", "session_id"]:
         if (
             j in sem
@@ -406,46 +737,44 @@ def get_override(sem, xkey, default=None):
 
 
 def nick_replace(
-    department, diplome, rank, modalite, parcours, nick, year=Options.base_year
+    department, diplome, rank, modalite, parcours, nick, year=Options.baseyear
 ):
     if type(rank) != int:
         rank = 0
     if len(department) > 0:
-        nick = nick.replace(
-            "{department}", conf_value("department_separator") + department
-        )
+        nick = nick.replace("{department}", Options.department_separator + department)
     else:
         nick = nick.replace("{department}", "")
     if len(department) > 0 and len(depts) > 1:
         nick = nick.replace(
-            "{multidepartment}", conf_value("department_separator") + department
+            "{multidepartment}", Options.department_separator + department
         )
     else:
         nick = nick.replace("{multidepartment}", "")
     if len(diplome) > 0:
-        nick = nick.replace("{diplome}", conf_value("diplome_separator") + diplome)
+        nick = nick.replace("{diplome}", Options.diplome_separator + diplome)
     else:
         nick = nick.replace("{diplome}", "")
     if len(diplome) > 0 and diplome != "BUT":
-        nick = nick.replace("{diplomenobut}", conf_value("diplome_separator") + diplome)
+        nick = nick.replace("{diplomenobut}", Options.diplome_separator + diplome)
     else:
         nick = nick.replace("{diplomenobut}", "")
     if rank > 0:
-        nick = nick.replace("{rank}", conf_value("rank_separator") + str(rank))
+        nick = nick.replace("{rank}", Options.rank_separator + str(rank))
     else:
         nick = nick.replace("{rank}", "")
     nick = nick.replace(
-        "{year}", conf_value("year_separator") + str(Options.base_year + rank - 1)
+        "{year}", Options.year_separator + str(Options.baseyear + rank - 1)
     )
     if diplome != "BUT":
         nick = nick.replace(
             "{yearnobut}",
-            conf_value("year_separator") + str(Options.base_year + rank - 1),
+            Options.year_separator + str(Options.baseyear + rank - 1),
         )
     else:
         nick = nick.replace("{yearnobut}", "")
     if len(modalite) > 0:
-        nick = nick.replace("{modalite}", conf_value("modalite_separator") + modalite)
+        nick = nick.replace("{modalite}", Options.modalite_separator + modalite)
     else:
         nick = nick.replace("{modalite}", "")
     if len(modalite) > 0 and modalite != "FI":
@@ -453,7 +782,7 @@ def nick_replace(
     else:
         nick = nick.replace("{modaliteshort}", "")
     if len(parcours) > 0:
-        nick = nick.replace("{parcours}", conf_value("parcours_separator") + parcours)
+        nick = nick.replace("{parcours}", Options.parcours_separator + parcours)
     else:
         nick = nick.replace("{parcours}", "")
     extname = "Ecand "
@@ -499,9 +828,9 @@ def analyse_student(semobj, etud, univ_year=None):
             gg = g.split("=")
             if gg[0] in groups:
                 modalite = gg[1]
-    nick = conf_value("nick")
+    nick = Options.nick
     nick = nick_replace(department, diplome, rank, modalite, parcours, nick, year)
-    displayname = conf_value("displayname")
+    displayname = Options.displayname
     displayname = nick_replace(
         department, diplome, rank, modalite, parcours, displayname, year
     )
@@ -538,7 +867,7 @@ def analyse_depts():
                 year = 1
             else:
                 year = (sem["semestre_id"] + 1) // 2
-            offset = sem["annee_scolaire"] - Options.base_year - year + 1
+            offset = sem["annee_scolaire"] - Options.baseyear - year + 1
             if offset < 0 and offset > -4:
                 oldsems.add(str(semid))
                 oldsemsdept[semid] = dept
@@ -992,7 +1321,7 @@ for etudid in student.keys():
     elif resultyear in ("NAR", "DEM", "DEF", "ABAN"):
         finaloutput = "FAIL"
         failure[ddd] += 1
-    elif resjury["annee"]["annee_scolaire"] != Options.base_year + lastyear - 1:
+    elif resjury["annee"]["annee_scolaire"] != Options.baseyear + lastyear - 1:
         finaloutput = "RED"
         checkred = True
     if checkred:
@@ -1019,7 +1348,7 @@ for etudid in student.keys():
         yearold = cache["sem"][etud["oldsem"]]["annee_scolaire"]
         etud["nickshort"][firstyear - 1] = etud["old"]
         # yy = yearold
-        # delta = firstyear + Options.base_year - yy - 2
+        # delta = firstyear + Options.baseyear - yy - 2
         # for i in range(delta, firstyear - 1):
         #     etud["nickshort"][i] = etud["nickshort"][firstyear - 1] + "*" * (
         #         firstyear - 1 - i
@@ -1037,9 +1366,9 @@ for etudid in student.keys():
         rank = etud["rank"][startsem]
         modalite = etud["modalite"][startsem]
         parcours = etud["parcours"][startsem]
-        nick = "EXT" + conf_value("nick")
+        nick = "EXT" + Options.nick
         nick = nick_replace(department, diplome, rank, modalite, parcours, nick)
-        displayname = conf_value("extnick")
+        displayname = Options.extnick
         displayname = nick_replace(
             department, diplome, rank, modalite, parcours, displayname
         )
@@ -1052,18 +1381,6 @@ for etudid in student.keys():
     entries[ddd] += 1
 
 
-class Filter:
-    # Filter on students to be considered
-    # 1 consider only technological baccalaureates, statistics are always asked
-    # 2 consider only women, because gender statistics are frequently asked
-    # 4 consider only incoming students (primo-entrants) in first year of the cohort
-    # 8 consider only people having a first year, not parallel entries
-    TECHNO = 1
-    WOMAN = 2
-    PRIMO = 4
-    MAIN = 8
-
-
 def bags_from_students(student, filter=0):
     bags = []
     for etudid in student.keys():
@@ -1244,7 +1561,7 @@ def ordernodes(layers, orders, edges):
             for j, n in enumerate(layernodes):
                 node_position[n] = j
                 node_layer[n] = layer
-    debug(crossweight(node_position, node_layer, edges))
+    debug("Solution has weight" + str(crossweight(node_position, node_layer, edges)))
     return node_position, node_layer, newls
 
 
@@ -1361,10 +1678,10 @@ def nodestructure_from_bags(bags, sbags=None):
 
 def compute_svg(height, padding, realdensity, node_structure):
     unit_ratio = 96 / 72
-    thickness = conf_value("thickness")
-    fontsize_name = conf_value("fontsize_name")
-    fontsize_count = conf_value("fontsize_count")
-    width = conf_value("width")
+    thickness = Options.thickness
+    fontsize_name = Options.fontsize_name
+    fontsize_count = Options.fontsize_count
+    width = Options.width
     columns = []
     l = 0
     for i in range(5):
@@ -1525,30 +1842,32 @@ def compute_svg(height, padding, realdensity, node_structure):
 
 def printsvg():
     padding = 4
-    spacing = conf_value("spacing")
-    height = conf_value("height")
-    hmargin = conf_value("hmargin")
-    bags = bags_from_students(student, conf_value("main_filter"))
-    sbags = bags_from_students(student, conf_value("secondary_filter"))
+    spacing = Options.spacing
+    height = Options.height
+    hmargin = Options.hmargin
+    bags = bags_from_students(student, Options.filter())
+    sbags = bags_from_students(student, Options.filter(main=False))
     node_structure, layers, edges = nodestructure_from_bags(bags, sbags)
     filename = "best-" + orderkey
-    if Options.restart:
+    if Options.algo == 2:
         try:
             os.remove(filename)
         except OSError:
             pass
-    if Options.optimize >= 0:
+    if Options.algo < 2:
         lastorders = read_conf(filename)
     else:
         lastorders = {}
     node_position, node_layer, newls = ordernodes(layers, lastorders, edges)
-    if Options.optimize != 0:
-        orders = genetic_optimize(
-            node_position, node_layer, edges, loops=abs(Options.optimize)
-        )
+    if Options.algo != 1:
+        orders = genetic_optimize(node_position, node_layer, edges, loops=Options.loops)
     else:
         orders = newls
     write_conf("best-" + orderkey, orders)
+    info(format_for_shell(OptionSet({"orders": orders}).asCLI(onlyOrders=True)))
+    Options.orders = orders
+    write_conf(Options.orderkey(filters=True), Options.asCLI())
+    info(format_for_shell(OptionSet({"orders": orders}).asCLI(onlyOrders=True)))
     node_position, node_layer, newls = ordernodes(layers, orders, edges)
     realdensity, height, layer_structure = get_layer_structure(
         newls, node_structure, spacing, hmargin, height