from pycen import con_fon

id_acte = 'MU_CHAR_ZI2'

if id_acte.startswith('MF'):
    lst_tab = ['r_mfstatut','r_frais_mf','r_cad_site_mf','mf_acquisitions']
    key = 'mf_id'
elif id_acte.startswith('MU'):
    lst_tab = ['r_mustatut','r_frais_mu','r_cad_site_mu','mu_conventions']
    key = 'mu_id'

sql = "DELETE FROM foncier.{tab} WHERE {key}='{acte_id}';"
for t in lst_tab:
    with con_fon.begin() as cnx:
        cnx.execute(sql.format(tab=t,key=key,acte_id=id_acte))