vrmilter.py 文件源码

def fn_extract_wav(piece):
    """Save the base64 encoded wav data in this email piece and
        return the file path and name as a string
    """
    glog('Extracting wav from piece')

    # parse this piece of the email text to merge the
    #  base64 encoded string into one line and then
    #  decode the string into binary data
    capture = False
    lines = []
    index = 0
    for line in piece.split('\n'):
        if line.strip() == "":
            capture = True
        if capture == True:
            lines.append(line.strip())
            index = index + 1

    b64_data = ''.join(lines)
    data = base64.b64decode(b64_data)

    rs_string = random_string(20)

    if not os.path.exists(GLV_TMP_PATH_TO_SAVE_VOICEMAIL):
        os.makedirs(GLV_TMP_PATH_TO_SAVE_VOICEMAIL)

    rs_path = GLV_TMP_PATH_TO_SAVE_VOICEMAIL + rs_string + '.wav'
    glog("save wav file to " + rs_path)
    with open(rs_path, 'wb') as f:
        f.write(data)

    # return temporary file path and name
    return rs_path