### Fonctions communes
import sqlite3

def ex_sql(db_name,request,replace=""):
    conn = sqlite3.connect(db_name)
    conn.row_factory=sqlite3.Row # La fonction retourne des dicos et pas des listes
    cur = conn.cursor()
    if not replace=="":
        cur.execute(request,replace)
    else:
        cur.execute(request)
    conn.commit()
    a = None
    if "SELECT" in request.upper():
        a = cur.fetchall()
        for i in range(len(a)):
            a[i] = dict(a[i]) # Convertir les dicos sqlite3 en dico classiques python
    cur.close()
    conn.close()
    return a