modernise conversion date

app/scodoc/notesdb.py

@@ -459,49 +459,22 @@ def dictfilter(d, fields, filter_nulls=True):
 # --- Misc Tools
 
 
-def DateDMYtoISO(dmy, null_is_empty=False):
+def DateDMYtoISO(dmy: str, null_is_empty=False) -> str:
     "convert date string from french format to ISO"
     if not dmy:
         if null_is_empty:
             return ""
         else:
             return None
-    if not isinstance(dmy, str):
+    if hasattr(dmy, "strftime"):
         return dmy.strftime("%Y-%m-%d")
-
-    t = dmy.split("/")
-
-    if len(t) != 3:
-        raise ScoValueError('Format de date (j/m/a) invalide: "%s"' % str(dmy))
-    day, month, year = t
-    year = int(year)
-    month = int(month)
-    day = int(day)
-    # accept years YYYY or YY, uses 1970 as pivot
-    if year < 100:
-        if year > 70:
-            year += 1900
-        else:
-            year += 2000
-
-    if month < 1 or month > 12:
-        raise ScoValueError("mois de la date invalide ! (%s)" % month)
-    # compute nb of day in month:
-    mo = month
-    if mo > 7:
-        mo = mo + 1
-    if mo % 2:
-        MonthNbDays = 31
-    elif mo == 2:
-        if year % 4 == 0 and ((year % 100 != 0) or (year % 400 == 0)):
-            MonthNbDays = 29  # leap
-        else:
-            MonthNbDays = 28
-    else:
-        MonthNbDays = 30
-    if day < 1 or day > MonthNbDays:
-        raise ScoValueError("jour de la date invalide ! (%s)" % day)
-    return "%04d-%02d-%02d" % (year, month, day)
+    if not isinstance(dmy, str):
+        raise ScoValueError(f'Date (j/m/a) invalide: "{dmy}"')
+    try:
+        dt = datetime.datetime.strptime(dmy, "%d/%m/%Y")
+    except ValueError as exc:
+        raise ScoValueError(f'Date (j/m/a) invalide: "{dmy}"') from exc
+    return dt.date().isoformat()
 
 
 def DateISOtoDMY(isodate):

app/views/notes.py

@@ -1991,7 +1991,6 @@ def formsemestre_bulletins_mailetuds(
     """
     prefer_mail_perso = int(prefer_mail_perso)
     formsemestre = FormSemestre.query.get_or_404(formsemestre_id)
-    nt: NotesTableCompat = res_sem.load_formsemestre_results(formsemestre)
     inscriptions = [
         inscription
         for inscription in formsemestre.inscriptions