#!/usr/bin/env -S python -u
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import argparse
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import os
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import glob
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import subprocess
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import json
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import re
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import requests
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import sys
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from queryAudiobookServer import findalbumbyname
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# arguments
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# activation_key, file name, codec(default to mp3)
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parser = argparse.ArgumentParser()
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parser.add_argument("-s", "--single", help="Use this option to create a single\
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file. This is false by default", action="store_true")
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parser.add_argument("-d", "--dpath", help="Use this to set the destination\
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path. Otherwise I will use the current directory")
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parser.add_argument("-v", "--verbose", help="Send output to stdout",
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action="store_true")
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parser.add_argument("filename", help="Filename to convert, or directory to\
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look in")
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args = parser.parse_args()
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act_byte = ""
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metadata = ""
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mode = ""
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stats = ""
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if args.dpath:
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path = args.dpath
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else:
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path = os.getcwd()
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if args.single:
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mode = 'single'
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else:
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mode = 'chapter'
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if args.verbose:
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stats = "-stats"
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else:
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stats = "-nostats"
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def getmetadata(aaxfile):
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# Returns the metadata from an aax file
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ret = subprocess.run(["ffprobe", "-v", "info", "-hide_banner",
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"-show_format", "-show_chapters",
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"-print_format", "json",
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os.path.abspath(aaxfile)], capture_output=True)
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mdata = json.loads(ret.stdout)
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aret = ret.stderr.decode().split('\n')[0]
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mdata["checksum"] = aret.split()[-1]
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return mdata
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def getmetabitrate():
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# Return the bitrate of the media
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bit_rate = metadata['format']['bit_rate']
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return bit_rate[:2]
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def getmetacopyright():
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# Return normalized copyright data
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copyright = normalize_data(metadata['format']['tags']['copyright'])
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return copyright
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def getmetadatatags(key):
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# get specific data
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tag = metadata['format']['tags'][key]
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return " ".join(tag.split())
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def normalize_data(data):
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# Return a normalized title
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data = data.replace(" ", "_")
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pattern = re.compile('\W')
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return re.sub(pattern, '', data)
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def reencode(aaxfile, outpath):
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# decrypt and reencode to mp3
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command = (
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"ffmpeg -loglevel error {} -activation_bytes {} -i"
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" {} -vn -codec:a libmp3lame -ab {}k -map_metadata -1"
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"-metadata \"title={}\" -metadata 'artist={}' -metadata"
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" 'album_artist={}' -metadata \"album={}\" -metadata 'date={}' "
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"-metadata track=1/1 -metadata 'genre={}' -metadata "
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"'copyright={}' \"{}\" ").format(
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stats, act_byte, aaxfile, getmetabitrate(),
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getmetadatatags('title'), getmetadatatags('artist'),
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getmetadatatags('album_artist'), getmetadatatags('album'),
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getmetadatatags('date'), getmetadatatags('genre'),
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getmetacopyright(), outpath)
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if args.verbose:
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print(command)
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process = subprocess.run(command, shell=True, capture_output=True)
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# while True:
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# output = process.stdout.readline()
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# if output == '' and process.poll() is not None:
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# break
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# if output:
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# print(output.strip())
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rc = process.stdout
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return rc
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else:
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process = subprocess.run(command, shell=True)
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return
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def getchaptercount():
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# Get the number of chapters
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ccount = metadata['chapters']
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return len(ccount)
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def getchaptermetadata(cid, key):
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# get the Chapter metadata
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for i in metadata['chapters']:
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if i['id'] == cid:
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return i[key]
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def movetochapters(path, outpath, chapter, title, start, end):
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# Creating individual chapters
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outfile = "{}/Ch-{}_{}.mp3".format(
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outpath, chapter, title.replace(' ', '_')
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)
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command = "ffmpeg -loglevel error {} -i \"{}\" -ss {} -to {} -codec:a copy -metadata 'track={}' \"{}\"".format(stats, path,
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start, end,
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chapter, outfile)
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if args.verbose:
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print(command)
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process = subprocess.run(command, shell=True, capture_output=True)
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# while True:
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# output = process.stdout.readline()
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# if output == '' and process.poll() is not None:
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# break
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# if output:
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# print(output.strip())
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rc = process.poll()
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return rc
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else:
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process = subprocess.run(command, shell=True)
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return
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def getcoverart(path, outpath):
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# Pull the coverart from the file
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command = "ffmpeg -loglevel error -activation_bytes {} -i \"{}\" -an -codec:v copy \"{}/cover.jpg\"".format(act_byte,
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path, outpath)
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if args.verbose:
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print(command)
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subprocess.run(command, shell=True)
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return
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def getcorrectkey():
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# request the key for the checksum
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try:
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r = requests.post('http://faas.darkurthe.net/function/checkkey',
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metadata['checksum'], verify=False, timeout=None)
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return r.text.strip()
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except requests.exceptions.HTTPError as err:
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raise err
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def findalbumbyname_stub(album):
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return False
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if args.filename.find("aax"):
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rfile = args.filename
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metadata = getmetadata(rfile)
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album = getmetadatatags('album')
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# See if we got it already
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if not findalbumbyname(album):
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artist = normalize_data(getmetadatatags('artist'))
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title = normalize_data(getmetadatatags('title'))
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act_byte = getcorrectkey()
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if act_byte is None or act_byte == '':
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sys.exit(f"Can't continue with this file {rfile}")
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else:
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ddir = "%s/%s/%s" % (path, artist, title)
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single_file_path = "/processing/%s.mp3" % (title)
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if not os.path.exists(ddir):
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os.makedirs(ddir)
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print(ddir)
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reencode(rfile, single_file_path)
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if mode == 'chapter':
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chapter = 0
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numchapters = getchaptercount()
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while (numchapters > 0):
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cstart = getchaptermetadata(chapter, 'start_time')
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cend = getchaptermetadata(chapter, 'end_time')
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chapter += 1
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numchapters -= 1
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schap = str(chapter).zfill(2)
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movetochapters(single_file_path, ddir, schap, title,
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cstart, cend)
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os.remove(single_file_path)
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getcoverart(rfile, ddir)
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else:
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print('We have that book already')
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