helper.py 文件源码

def _create_image_from_map(map_file, out_img, format):

    out_img += ".%s" % format
    #print out_img
    params = ["shp2img", "-m", map_file, "-i", format, "-o", out_img]

    os.environ['PATH'] = DLL_LOCATION + ';' + os.environ['PATH']

    p = Popen(params, stdout=PIPE, bufsize=1)
    with p.stdout:
        for line in iter(p.stdout.readline, b''):
            print(line)

    p.wait() # wait for the subprocess to exit

    #os.startfile(out_img)
    return out_img