| 1 | n/a | # This file implements a class which forms an interface to the .cdplayerrc |
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| 2 | n/a | # file that is maintained by SGI's cdplayer program. |
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| 3 | n/a | # |
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| 4 | n/a | # Usage is as follows: |
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| 5 | n/a | # |
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| 6 | n/a | # import readcd |
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| 7 | n/a | # r = readcd.Readcd() |
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| 8 | n/a | # c = Cdplayer(r.gettrackinfo()) |
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| 9 | n/a | # |
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| 10 | n/a | # Now you can use c.artist, c.title and c.track[trackno] (where trackno |
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| 11 | n/a | # starts at 1). When the CD is not recognized, all values will be the empty |
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| 12 | n/a | # string. |
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| 13 | n/a | # It is also possible to set the above mentioned variables to new values. |
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| 14 | n/a | # You can then use c.write() to write out the changed values to the |
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| 15 | n/a | # .cdplayerrc file. |
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| 16 | n/a | from warnings import warnpy3k |
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| 17 | n/a | warnpy3k("the cdplayer module has been removed in Python 3.0", stacklevel=2) |
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| 18 | n/a | del warnpy3k |
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| 19 | n/a | |
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| 20 | n/a | cdplayerrc = '.cdplayerrc' |
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| 21 | n/a | |
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| 22 | n/a | class Cdplayer: |
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| 23 | n/a | def __init__(self, tracklist): |
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| 24 | n/a | import string |
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| 25 | n/a | self.artist = '' |
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| 26 | n/a | self.title = '' |
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| 27 | n/a | if type(tracklist) == type(''): |
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| 28 | n/a | t = [] |
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| 29 | n/a | for i in range(2, len(tracklist), 4): |
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| 30 | n/a | t.append((None, \ |
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| 31 | n/a | (int(tracklist[i:i+2]), \ |
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| 32 | n/a | int(tracklist[i+2:i+4])))) |
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| 33 | n/a | tracklist = t |
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| 34 | n/a | self.track = [None] + [''] * len(tracklist) |
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| 35 | n/a | self.id = 'd' + string.zfill(len(tracklist), 2) |
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| 36 | n/a | for track in tracklist: |
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| 37 | n/a | start, length = track |
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| 38 | n/a | self.id = self.id + string.zfill(length[0], 2) + \ |
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| 39 | n/a | string.zfill(length[1], 2) |
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| 40 | n/a | try: |
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| 41 | n/a | import posix |
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| 42 | n/a | f = open(posix.environ['HOME'] + '/' + cdplayerrc, 'r') |
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| 43 | n/a | except IOError: |
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| 44 | n/a | return |
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| 45 | n/a | import re |
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| 46 | n/a | reg = re.compile(r'^([^:]*):\t(.*)') |
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| 47 | n/a | s = self.id + '.' |
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| 48 | n/a | l = len(s) |
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| 49 | n/a | while 1: |
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| 50 | n/a | line = f.readline() |
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| 51 | n/a | if line == '': |
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| 52 | n/a | break |
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| 53 | n/a | if line[:l] == s: |
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| 54 | n/a | line = line[l:] |
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| 55 | n/a | match = reg.match(line) |
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| 56 | n/a | if not match: |
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| 57 | n/a | print 'syntax error in ~/' + cdplayerrc |
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| 58 | n/a | continue |
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| 59 | n/a | name, value = match.group(1, 2) |
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| 60 | n/a | if name == 'title': |
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| 61 | n/a | self.title = value |
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| 62 | n/a | elif name == 'artist': |
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| 63 | n/a | self.artist = value |
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| 64 | n/a | elif name[:5] == 'track': |
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| 65 | n/a | trackno = int(name[6:]) |
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| 66 | n/a | self.track[trackno] = value |
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| 67 | n/a | f.close() |
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| 68 | n/a | |
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| 69 | n/a | def write(self): |
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| 70 | n/a | import posix |
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| 71 | n/a | filename = posix.environ['HOME'] + '/' + cdplayerrc |
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| 72 | n/a | try: |
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| 73 | n/a | old = open(filename, 'r') |
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| 74 | n/a | except IOError: |
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| 75 | n/a | old = open('/dev/null', 'r') |
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| 76 | n/a | new = open(filename + '.new', 'w') |
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| 77 | n/a | s = self.id + '.' |
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| 78 | n/a | l = len(s) |
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| 79 | n/a | while 1: |
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| 80 | n/a | line = old.readline() |
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| 81 | n/a | if line == '': |
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| 82 | n/a | break |
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| 83 | n/a | if line[:l] != s: |
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| 84 | n/a | new.write(line) |
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| 85 | n/a | new.write(self.id + '.title:\t' + self.title + '\n') |
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| 86 | n/a | new.write(self.id + '.artist:\t' + self.artist + '\n') |
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| 87 | n/a | for i in range(1, len(self.track)): |
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| 88 | n/a | new.write('%s.track.%r:\t%s\n' % (self.id, i, self.track[i])) |
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| 89 | n/a | old.close() |
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| 90 | n/a | new.close() |
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| 91 | n/a | posix.rename(filename + '.new', filename) |
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