diff options
Diffstat (limited to 'Lib/plat-irix5/cdplayer.py')
-rwxr-xr-x | Lib/plat-irix5/cdplayer.py | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/Lib/plat-irix5/cdplayer.py b/Lib/plat-irix5/cdplayer.py new file mode 100755 index 0000000..2839021 --- /dev/null +++ b/Lib/plat-irix5/cdplayer.py @@ -0,0 +1,83 @@ +# This file implements a class which forms an interface to the .cdplayerrc +# file that is maintained by SGI's cdplayer program. +# +# Usage is as follows: +# +# import readcd +# r = readcd.Readcd().init() +# c = Cdplayer().init(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. + +cdplayerrc = '.cdplayerrc' + +class Cdplayer(): + def init(self, tracklist): + import string + self.artist = '' + self.title = '' + self.track = [None] + [''] * len(tracklist) + self.id = 'd' + string.zfill(len(tracklist), 2) + for track in tracklist: + start, length = track + self.id = self.id + string.zfill(length[0], 2) + \ + string.zfill(length[1], 2) + try: + import posix + f = open(posix.environ['HOME'] + '/' + cdplayerrc, 'r') + except IOError: + return self + import regex + reg = regex.compile('^\\([^:]*\\):\t\\(.*\\)') + s = self.id + '.' + l = len(s) + while 1: + line = f.readline() + if line == '': + break + if line[:l] == s: + line = line[l:] + if reg.match(line) == -1: + print 'syntax error in ~/' + cdplayerrc + continue + name = line[reg.regs[1][0]:reg.regs[1][1]] + value = line[reg.regs[2][0]:reg.regs[2][1]] + if name == 'title': + self.title = value + elif name == 'artist': + self.artist = value + elif name[:5] == 'track': + trackno = string.atoi(name[6:]) + self.track[trackno] = value + f.close() + return self + + def write(self): + import posix + filename = posix.environ['HOME'] + '/' + cdplayerrc + try: + old = open(filename, 'r') + except IOError: + old = open('/dev/null', 'r') + new = open(filename + '.new', 'w') + s = self.id + '.' + l = len(s) + while 1: + line = old.readline() + if line == '': + break + if line[:l] <> s: + new.write(line) + new.write(self.id + '.title:\t' + self.title + '\n') + new.write(self.id + '.artist:\t' + self.artist + '\n') + for i in range(1, len(self.track)): + new.write(self.id + '.track.' + `i` + ':\t' + \ + self.track[i] + '\n') + old.close() + new.close() + posix.rename(filename + '.new', filename) |