import dropbox, yaml


def writeToHtml(data):
    with open('customData.yml', 'r') as file:
        custmdata = yaml.safe_load(file)
    
    dbx = dropbox.Dropbox(custmdata['dropKey'])

    with open('COMBO_MO_MOBIL.htm', 'r+') as f:
        lines = f.readlines()
        for i, line in enumerate(lines):
            if '<!--@JS-DATA@-->' in line:
                lines[i] = '    <!--@JS-DATA@-->' + '<script>const myDATA =' + str(data) + '</script>\n'
        f.truncate()
        f.seek(0)                                           # rewrite into the file
        for line in lines:
            f.write(line)
    with open('COMBO_MO_MOBIL.htm', 'rb') as f:  
        dbx.files_upload(f.read(), "/COMBO_MO_MOBIL.htm", mode=dropbox.files.WriteMode("overwrite"))