diff options
Diffstat (limited to 'Lib/plat-irix6/cddb.py')
| -rw-r--r-- | Lib/plat-irix6/cddb.py | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/Lib/plat-irix6/cddb.py b/Lib/plat-irix6/cddb.py deleted file mode 100644 index bdd2ec3..0000000 --- a/Lib/plat-irix6/cddb.py +++ /dev/null @@ -1,203 +0,0 @@ -# This file implements a class which forms an interface to the .cddb -# directory that is maintained by SGI's cdman program. -# -# Usage is as follows: -# -# import readcd -# r = readcd.Readcd() -# c = Cddb(r.gettrackinfo()) -# -# Now you can use c.artist, c.title and c.track[trackno] (where trackno -# starts at 1). When the CD is not recognized, all values will be the empty -# string. -# It is also possible to set the above mentioned variables to new values. -# You can then use c.write() to write out the changed values to the -# .cdplayerrc file. - -import posix, os - -_cddbrc = '.cddb' -_DB_ID_NTRACKS = 5 -_dbid_map = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ@_=+abcdefghijklmnopqrstuvwxyz' -def _dbid(v): - if v >= len(_dbid_map): - return v.zfill(2) - else: - return _dbid_map[v] - -def tochash(toc): - if type(toc) == type(''): - tracklist = [] - for i in range(2, len(toc), 4): - tracklist.append((None, - (int(toc[i:i+2]), - int(toc[i+2:i+4])))) - else: - tracklist = toc - ntracks = len(tracklist) - hash = _dbid((ntracks >> 4) & 0xF) + _dbid(ntracks & 0xF) - if ntracks <= _DB_ID_NTRACKS: - nidtracks = ntracks - else: - nidtracks = _DB_ID_NTRACKS - 1 - min = 0 - sec = 0 - for track in tracklist: - start, length = track - min = min + length[0] - sec = sec + length[1] - min = min + sec / 60 - sec = sec % 60 - hash = hash + _dbid(min) + _dbid(sec) - for i in range(nidtracks): - start, length = tracklist[i] - hash = hash + _dbid(length[0]) + _dbid(length[1]) - return hash - -class Cddb: - def __init__(self, tracklist): - if os.environ.has_key('CDDB_PATH'): - path = os.environ['CDDB_PATH'] - cddb_path = path.split(',') - else: - home = os.environ['HOME'] - cddb_path = [home + '/' + _cddbrc] - - self._get_id(tracklist) - - for dir in cddb_path: - file = dir + '/' + self.id + '.rdb' - try: - f = open(file, 'r') - self.file = file - break - except IOError: - pass - ntracks = int(self.id[:2], 16) - self.artist = '' - self.title = '' - self.track = [None] + [''] * ntracks - self.trackartist = [None] + [''] * ntracks - self.notes = [] - if not hasattr(self, 'file'): - return - import re - reg = re.compile(r'^([^.]*)\.([^:]*):[\t ]+(.*)') - while 1: - line = f.readline() - if not line: - break - match = reg.match(line) - if not match: - print('syntax error in ' + file) - continue - name1, name2, value = match.group(1, 2, 3) - if name1 == 'album': - if name2 == 'artist': - self.artist = value - elif name2 == 'title': - self.title = value - elif name2 == 'toc': - if not self.toc: - self.toc = value - if self.toc != value: - print('toc\'s don\'t match') - elif name2 == 'notes': - self.notes.append(value) - elif name1[:5] == 'track': - try: - trackno = int(name1[5:]) - except ValueError: - print('syntax error in ' + file) - continue - if trackno > ntracks: - print('track number %r in file %s out of range' % (trackno, file)) - continue - if name2 == 'title': - self.track[trackno] = value - elif name2 == 'artist': - self.trackartist[trackno] = value - f.close() - for i in range(2, len(self.track)): - track = self.track[i] - # if track title starts with `,', use initial part - # of previous track's title - if track and track[0] == ',': - try: - off = self.track[i - 1].index(',') - except ValueError: - pass - else: - self.track[i] = self.track[i-1][:off] \ - + track - - def _get_id(self, tracklist): - # fill in self.id and self.toc. - # if the argument is a string ending in .rdb, the part - # upto the suffix is taken as the id. - if type(tracklist) == type(''): - if tracklist[-4:] == '.rdb': - self.id = tracklist[:-4] - self.toc = '' - return - t = [] - for i in range(2, len(tracklist), 4): - t.append((None, \ - (int(tracklist[i:i+2]), \ - int(tracklist[i+2:i+4])))) - tracklist = t - ntracks = len(tracklist) - self.id = _dbid((ntracks >> 4) & 0xF) + _dbid(ntracks & 0xF) - if ntracks <= _DB_ID_NTRACKS: - nidtracks = ntracks - else: - nidtracks = _DB_ID_NTRACKS - 1 - min = 0 - sec = 0 - for track in tracklist: - start, length = track - min = min + length[0] - sec = sec + length[1] - min = min + sec / 60 - sec = sec % 60 - self.id = self.id + _dbid(min) + _dbid(sec) - for i in range(nidtracks): - start, length = tracklist[i] - self.id = self.id + _dbid(length[0]) + _dbid(length[1]) - self.toc = ntracks.zfill(2) - for track in tracklist: - start, length = track - self.toc = self.toc + length[0].zfill(2) + length[1].zfill(2) - - def write(self): - import posixpath - if os.environ.has_key('CDDB_WRITE_DIR'): - dir = os.environ['CDDB_WRITE_DIR'] - else: - dir = os.environ['HOME'] + '/' + _cddbrc - file = dir + '/' + self.id + '.rdb' - if posixpath.exists(file): - # make backup copy - posix.rename(file, file + '~') - f = open(file, 'w') - f.write('album.title:\t' + self.title + '\n') - f.write('album.artist:\t' + self.artist + '\n') - f.write('album.toc:\t' + self.toc + '\n') - for note in self.notes: - f.write('album.notes:\t' + note + '\n') - prevpref = None - for i in range(1, len(self.track)): - if self.trackartist[i]: - f.write('track%r.artist:\t%s\n' % (i, self.trackartist[i])) - track = self.track[i] - try: - off = track.index(',') - except ValueError: - prevpref = None - else: - if prevpref and track[:off] == prevpref: - track = track[off:] - else: - prevpref = track[:off] - f.write('track%r.title:\t%s\n' % (i, track)) - f.close() |