131 lines
3.6 KiB
Python
131 lines
3.6 KiB
Python
#! /usr/bin/python3
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import subprocess
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import time
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import logging
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import re
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import os
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import socket
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import io
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import gnudb
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SECOND = 1
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MINUTE = 60 * SECOND
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HOUR = 60 * MINUTE
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def read(device, status):
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# Get disc ID
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p = subprocess.run(
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[
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"cd-discid",
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device,
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],
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encoding="utf-8",
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capture_output=True,
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)
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discid = p.stdout
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status["discid"] = discid
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# Look it up in cddb
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email = os.environ.get("EMAIL") # You should really set this variable, tho
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if not email:
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user = "user"
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try:
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user = os.getlogin()
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except OSError:
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pass
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email = "%s@%s" % (user, socket.gethostname())
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db_server = gnudb.Server(email)
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disc = db_server.bestguess(discid)
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if disc:
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# There was a hit! Hooray!
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# We're expected to be automatic here,
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# so just use the first one.
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for k in ("title", "artist", "genre", "year", "tracks"):
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status[k] = disc[k]
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else:
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now = time.strftime("%Y-%m-%dT%H%M%S")
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num_tracks = int(discid.split()[1])
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status["title"] = "Unknown CD - %s" % now
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status["tracks"] = [""] * num_tracks
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def rip(device, status, directory):
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# cdparanoia reports completion in samples
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# use discid duration to figure out total number of samples
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duration = int(status["discid"].split()[-1]) * SECOND # disc duration in seconds
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total_samples = duration * (75 / SECOND) * 1176 # 75 sectors per second, 1176 samples per sector
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track_num = 1
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for track_name in status["tracks"]:
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logging.debug("Ripping track %d of %d", track_num, len(status["tracks"]))
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p = subprocess.Popen(
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[
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"cdparanoia",
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"--stderr-progress",
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"--force-cdrom-device", device,
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"--batch",
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str(track_num),
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],
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cwd = directory,
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stderr = subprocess.PIPE,
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encoding = "utf-8",
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)
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for line in p.stderr:
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line = line.strip()
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if line.startswith("##: -2"):
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samples = int(line.split()[-1])
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status["complete"] = samples / total_samples
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track_num += 1
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def encode(status, directory):
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# Encode the tracks
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track_num = 1
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for track_name in status["tracks"]:
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argv = [
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"lame",
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"--preset", "standard",
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"-tl", status["title"],
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"--tn", "%d/%d" % (track_num, len(status["tracks"])),
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]
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if status["artist"]:
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argv.extend(["-ta", status["artist"]])
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if status["genre"]:
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argv.extend(["-tg", status["genre"]])
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if status["year"]:
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argv.extend(["-ty", status["year"]])
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if track_name:
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argv.extend(["-tt", track_name])
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outfn = "%d - %s.mp3" % (track_num, track_name)
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else:
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outfn = "%d.mp3" % track_num
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argv.append("track%02d.cdda.wav" % track_num)
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argv.append(outfn)
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p = subprocess.Popen(
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argv,
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cwd = directory,
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stdin = subprocess.PIPE,
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encoding = "utf-8",
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)
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p.communicate(input=track_name)
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track_num += 1
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if __name__ == "__main__":
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import pprint
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logging.basicConfig(level=logging.DEBUG)
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status = {}
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read("/dev/sr0", status)
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pprint.pprint(status)
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directory = os.path.join(".", status["title"])
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os.makedirs(directory, exist_ok=True)
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rip("/dev/sr0", status, directory)
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pprint.pprint(status)
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encode(status, directory)
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pprint.pprint(status)
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# vi: sw=4 ts=4 et ai
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