Used to process a satnogs ogg audio file for loading in WxToImg GUI

satnogs_wx.py

#!/usr/bin/python3

import os
import sys
import wave
from datetime import datetime, timedelta
from dateutil import tz

# example satnogs_1692904_2020-02-14T10-24-03.ogg

if len(sys.argv) == 2:
    fn = sys.argv[1]
    fn_split = fn.split("_")  # gives ["satnogs", "1692904", "2020-02-14T10-24-03.ogg"]
    if len(fn_split) == 3:
        date_string = fn_split[2][:-4]  # chop off .ogg
        dt_utc = datetime.strptime(date_string, "%Y-%m-%dT%H-%M-%S")
        dt_utc = dt_utc.replace(tzinfo=tz.tzutc())  # set UTC as the time zone
        dt_local = dt_utc.astimezone(tz.tzlocal())  # convert to local time stamp
        fn_wav = fn.replace("ogg", "wav")
        print("Converting ogg to wav...")
        os.system("sox %s -r 11025 %s" % (fn, fn_wav))
        with wave.open(fn_wav, 'r') as f:
            wav_frames = f.getnframes()
            wav_rate = f.getframerate()
            wav_duration = wav_frames / float(wav_rate)
        dt_final = dt_local + timedelta(seconds=wav_duration)
        print("Updating time stamp...")
        os.system("touch %s --date=\"%s\"" % (fn_wav, dt_final.strftime("%Y-%m-%d %H:%M:%S")))

    print("Done")

Usage

chmod +x satnogs_wx.py
./satnogs_wx.py satnogs_1692904_2020-02-14T10-24-03.ogg

Then File / Open Audio File in WXtoImg
Browse to satnogs_1692904_2020-02-14T10-24-03.wav

Thanks for this David! So useful! Here's a modification of the program for Windows in case it's useful to anybody: https://gist.github.com/danalvarez/6e409a6705b9425c25f180d7f53a72b2