import requests

mylayer = QgsProject.instance().mapLayersByName("decathlon_france")[0]

limit = 20
i = 0

with edit(mylayer):
    for feat in mylayer.getFeatures():
        if feat['iso'] == 0:
            id_mag = feat['id']
            geom = feat.geometry()
            
            i += 1
            if i > limit:
                break
            
            feat['iso'] = 1
            mylayer.updateFeature(feat)
            
            #print(id_mag, geom.asPoint().x(), geom.asPoint().y(), i)
            
            # ZONE ISOCHRONE
            body = {"locations":[[geom.asPoint().x(), geom.asPoint().y()]],"range":[900],"attributes":["area","reachfactor","total_pop"],"range_type":"time"}
            
            headers = {
                'Accept': 'application/json, application/geo+json, application/gpx+xml, img/png; charset=utf-8',
                'Authorization': 'YOUR-API-KEY',
                'Content-Type': 'application/json; charset=utf-8'
            }
            call = requests.post('https://api.openrouteservice.org/v2/isochrones/driving-car', json=body, headers=headers)
            #print(call.status_code, call.reason)
            #print(call.text)
            
            with open('C:/Users/Georges/Downloads/CoursQGIS/data/isochrones/'+id_mag+'.geoson', 'w', encoding='utf-8') as outfile:
                outfile.write(call.text)
            
            iface.addVectorLayer('C:/Users/Georges/Downloads/CoursQGIS/data/isochrones/'+id_mag+'.geoson', id_mag, 'ogr')
            
            # AJOUTER ID MAGASIN
            my_geojson = QgsProject.instance().mapLayersByName(id_mag)[0]
            
            pr = my_geojson.dataProvider()
            pr.addAttributes([QgsField("id_mag", QVariant.String)])
            my_geojson.updateFields()
            
            with edit(my_geojson):
                for feature in my_geojson.getFeatures():
                    feature['id_mag'] = id_mag
                    my_geojson.updateFeature(feature)