+''' #' # python-mode is sucks
+
+import os
+import re
+import sys
+import time
+import traceback
+from errno import EEXIST, ENOENT
+from glob import glob
+from optparse import OptionParser
+
+import org.diplodocus.jobs
+from org.diplodocus.structures import ListDictDict
+from org.diplodocus.util import die, flatten, nothing
+from org.diplodocus.util import catch_EnvironmentError as c
+
+def spew(*args):
+ if verbose:
+ for i in args:
+ sys.stderr.write(i)
+
+################################################################################
+# The child processes
+
+def run_flac(infile, cue, outfile, tags):
+ argv = ['flac', '-o', outfile + '.flac-tmp',
+ '--delete-input-file', '-V', '--no-padding', '--best']
+ if cue != None:
+ argv.extend(['--cuesheet', cue])
+ for i in tags:
+ argv.extend(['-T', i])
+ argv.append(infile)
+ # flac 1.1.3 PICTURE support
+ #argv.extend(['--picture', '3|image/jpeg|||cover.front'])
+
+ spew('Running flac\n')
+ status = os.spawnvp(os.P_WAIT, argv[0], argv)
+ if status > 0:
+ die(2, 'flac exited with status ', str(status))
+ elif status < 0:
+ die(2, 'flac killed with signal ', str(abs(status)))
+
+ c(os.rename, outfile + '.flac-tmp', outfile + '.flac')
+
+def flac(dir, artist, album, discnum, tracknum, track_tags, disc_artist, tags):
+ '''Encode a single wav file to a single flac file, whether the wav and
+ flac files represent individual tracks or whole discs.'''
+
+ (artist, album) = [x.replace('/', '_') for x in (artist, album)]
+
+ spew('mkdir(%s)\n' % (artist,))
+ try:
+ c(os.mkdir, artist)
+ except EnvironmentError, error:
+ error.errno == EEXIST or die(2, error.msg, traceback.format_exc())
+
+ if tracknum != None:
+ outdir = '/'.join([artist, album])
+ spew('mkdir(%s)\n' % (outdir,))
+ try:
+ c(os.mkdir, outdir)
+ except EnvironmentError, error:
+ error.errno == EEXIST or die(2, error.msg, traceback.format_exc())
+
+ spew('chdir(%s)\n' % (dir,))
+ c(os.chdir, dir)
+
+ if tracknum == None:
+ outfile = album
+ if discnum != None:
+ outfile = ''.join([discnum, ' ', outfile])
+ run_flac('wav', 'cue', '/'.join(['..', artist, outfile]), tags)
+ files = ['%s/%s.flac' % (artist, outfile)]
+
+ c(os.unlink, 'cue')
+ outlog = '/'.join(['..', artist, outfile + '.log'])
+ c(os.rename, 'log', outlog)
+ else:
+ title = []
+ for i in track_tags['TITLE']:
+ title.extend(i.split())
+ title = ' '.join(title).replace('/', '_')
+ tmp = []
+ if discnum != None:
+ tmp.append('%02d' % (int(discnum),))
+ tmp.extend(['%02d' % (tracknum,), title])
+ outfile = '/'.join([outdir, ' '.join(tmp)])
+
+ tags = tags[:]
+ # If we have ARTIST[n] tags for this track, they'll go in with
+ # the other [n] tags. Else, prepend disc_artist to tags.
+ if 'ARTIST' not in track_tags:
+ for i in disc_artist:
+ tags.insert(0, i)
+
+ tags.append('TRACKNUMBER=%d' % (tracknum,))
+ tags.extend(flatten([['='.join([key, x]) for x in track_tags[key]]
+ for key in track_tags]))
+
+ run_flac('track%02d.cdda.wav' % (tracknum,), None,
+ '../' + outfile, tags)
+ outlog = ''.join(['../', outfile, '.log'])
+ files = [outfile + '.flac']
+
+ c(os.rename, str(tracknum) + '.log', outlog)
+
+ c(os.chdir, '..')
+
+ post = dir + '/post-processor'
+ if os.path.exists(post):
+ spew('Running ', post); spew(files); spew('\n')
+ files.insert(0, post)
+ os.spawnv(os.P_WAIT, post, files)
+ c(os.unlink, post)
+
+ # Clean up if we're the last job for dir; for multi-file dirs,
+ # it's possible for more than one job to run cleanup at once, so
+ # don't fail if things are already clean.
+ ld = os.listdir(dir)
+ if ld == ['using-tags'] or sorted(ld) == ['cover.front', 'using-tags']:
+ try:
+ os.unlink(dir + '/cover.front')
+ os.unlink(dir + '/using-tags')
+ os.rmdir(dir)
+ except EnvironmentError:
+ pass
+
+ return 0
+
+################################################################################
+# The master process
+
+def get_tags(fn):
+ '''Return the ARTIST, ALBUM, and DATE followed by a list of all the
+ lines in the file FN.'''
+
+ artist = album = discnum = None
+ tags = []
+
+ spew('Opening tags file %s\n' % (fn,))
+ fp = file(fn)
+ for line in (x.rstrip() for x in fp):
+ tags.append(line)
+
+ (tag, value) = line.split('=', 1)
+
+ if re.match(r'ARTIST=', line, re.IGNORECASE):
+ artist = value
+ spew('ARTIST %s from %s\n' % (artist, fn))
+ elif re.match(r'ALBUM=', line, re.IGNORECASE):
+ album = value
+ spew('ALBUM %s from %s\n' % (album, fn))
+ elif re.match(r'DISCNUMBER=', line, re.IGNORECASE):
+ discnum = value
+ spew('DISCNUMBER %s from %s\n' % (discnum, fn))
+
+ return (artist, album, discnum, tags)
+
+def flacloop(maxjobs):
+ dir = [None] # [str] instead of str for lame python closures
+ jobs = []
+
+ # Get a job for jobs.run. On each call, look for new fa-rip
+ # directories and append an item to the queue @jobs for each wav
+ # file therein. Then, if we have anything in the queue, return a
+ # function to call flac for it, otherwise sleep for a bit. This
+ # looks forever, never returning None, so jobs.run never returns.
+ def getjob(reap):
+ # Look for new fa-rip directories.
+ while True:
+ for i in glob('*/tags'):
+ try:
+ dir[0] = os.path.dirname(i)
+
+ spew("Renaming %s/tags\n" % (dir[0],))
+ c(os.rename, dir[0] + '/tags', dir[0] + '/using-tags')
+
+ (artist, album, discnum, tags) = get_tags(dir[0] + '/using-tags')
+ if os.path.exists(dir[0] + '/wav'):
+ # single-file
+ jobs.append([dir[0], artist, album, discnum,
+ None, None, None, tags])
+ else:
+ # multi-file
+ # Don't need cue file.
+ try:
+ c(os.unlink, dir[0] + '/cue')
+ except EnvironmentError, error:
+ if error.errno != ENOENT:
+ raise error
+
+ # Go over @tags, store all [n] tags in a list keyed by
+ # n in %tracks_to_tags, store all ARTIST (not
+ # ARTIST[n]) tags in @disc_artist, and leave the rest
+ # in @tags.
+ tracks_to_tags = ListDictDict()
+ disc_artist = []
+ tmp = []
+ for tag in tags:
+ m = re.match(r'([^[]+)\[(\d+)]=(.*)', tag)
+ if m != None:
+ tracks_to_tags.append(int(m.group(2)), m.group(1), m.group(3))
+ elif re.match(r'ARTIST=', tag, re.IGNORECASE):
+ disc_artist.append(tag)
+ else:
+ tmp.append(tag)
+ tags = tmp
+
+ jobs.extend([[dir[0], artist, album, discnum, x,
+ tracks_to_tags[x], disc_artist, tags]
+ for x in sorted(map(int,
+ tracks_to_tags.keys()))])
+ except Exception, error:
+ sys.stderr.write(getattr(error, 'msg', ''))
+ traceback.print_exc()
+ sys.stderr.write('Continuing...\n')
+
+ # Return a job if we found any work.
+ try:
+ job = jobs.pop(0)
+ except IndexError:
+ # Didn't find anything; wait a while and check again.
+ time.sleep(5)
+ reap()
+ continue
+
+ def lamb():
+ log = '/'.join([job[0],
+ job[4] == None and 'log' or str(job[4])
+ + '.log'])
+ try:
+ c(os.dup2, c(os.open, log, os.O_CREAT | os.O_WRONLY), 2)
+ return flac(*job)
+ except EnvironmentError, error:
+ sys.stderr.write(getattr(error, 'msg', ''))
+ traceback.print_exc()
+ return 1
+ return lamb
+
+ def notify_start(pid, jobs):
+ # make this print '2 jobs; start 378 for Artist/01 Title.flac'
+ spew('%d jobs; start %d for %s\n' % (len(jobs), pid, dir[0]))
+
+ def notify_finish(pid, status, jobs):
+ spew('%d jobs; %d finished (' % (len(jobs), pid))
+ if os.WIFEXITED(status):
+ spew('exited with status ', str(os.WEXITSTATUS(status)))
+ elif os.WIFSIGNALED(status):
+ spew('killed with signal ', str(os.WTERMSIG(status)))
+ elif os.WIFSTOPPED(status):
+ spew('stopped with signal ', str(os.WSTOPSIG(status)))
+ spew(')\n')
+
+ # Never returns (see getjob comment).
+ org.diplodocus.jobs.run(maxjobs=maxjobs, debug=debug,
+ get_job=getjob,
+ notify_start=notify_start,
+ notify_finish=notify_finish)
+
+def main(argv):
+ # Control the exit code for any uncaught exceptions.
+ try:
+ parser = OptionParser()
+ parser.disable_interspersed_args()
+ parser.add_option('-X', '--debug', action='store_true', default=False)
+ parser.add_option('-j', '--jobs', type='int', default=1)
+ parser.add_option('-v', '--verbose', action='store_true', default=False)
+ except:
+ traceback.print_exc()
+ return 2
+
+ try:
+ # Raises SystemExit on invalid options in argv.
+ (options, args) = parser.parse_args(argv[1:])
+ except Exception, error:
+ if isinstance(error, SystemExit):
+ return 1
+ traceback.print_exc()
+ return 2
+
+ try:
+ global debug, verbose
+ debug = options.debug
+ verbose = options.verbose
+
+ # Never returns...
+ flacloop(options.jobs)
+ except Exception, error:
+ # but might blow up.
+ if isinstance(error, SystemExit):
+ raise
+ sys.stderr.write(getattr(error, 'msg', ''))
+ traceback.print_exc()
+ return 2
+
+if __name__ == '__main__':
+ sys.exit(main(sys.argv))
projects / flac-archive / blobdiff