#!/usr/bin/env python3
# -*- coding: UTF-8 -*-

import geopandas as gpd
import pycen

sql = 'SELECT * FROM zones_humides.v_zoneshumides'
req = gpd.read_postgis(sql,pycen.con)

df = req[~req.geom.is_valid].copy()
df.geom = df.geom.buffer(0)
df = df[['site_code','geom']].copy()
df.columns = ['id_site','geom']
df = pycen.tools.Polygons_to_MultiPolygon(df)

pycen.update_to_sql(
    df,pycen.con,
    'r_sites_geom','sites',
    'id_site','geom'
)