wkt2geojsonCSV.py

#!/usr/bin/python

import csv
import sys
import shapely.wkt
import geojson

csv.field_size_limit(sys.maxsize)

csvfile = open('in.csv', 'rb')
reader = csv.DictReader(csvfile)
c = csv.DictWriter(open("out.csv", "wb"), fieldnames=reader.fieldnames)
c.writeheader()

for row in reader:
    for col in row:
        if col == 'WKT':
            d_wkt = row['WKT']
            js1 = shapely.wkt.loads(d_wkt)
            js2 = geojson.Feature(geometry=js1, properties={})
            row['WKT'] = js2.geometry

    c.writerow(row)