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-rw-r--r--Lib/plat-irix6/cdplayer.py89
1 files changed, 89 insertions, 0 deletions
diff --git a/Lib/plat-irix6/cdplayer.py b/Lib/plat-irix6/cdplayer.py
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+++ b/Lib/plat-irix6/cdplayer.py
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+# 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()
+# c = Cdplayer(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 = ''
+ if type(tracklist) == type(''):
+ t = []
+ for i in range(2, len(tracklist), 4):
+ t.append((None, \
+ (string.atoi(tracklist[i:i+2]), \
+ string.atoi(tracklist[i+2:i+4]))))
+ tracklist = t
+ 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
+ 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()
+
+ 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)