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Implemented support for CDDB_PATH and CDDB_WRITE_DIR environment

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variables.
Added auxiliary routine tochash to convert a table-of-contents to a
hashed toc.
This commit is contained in:
Sjoerd Mullender 1993-09-27 12:36:01 +00:00
parent d96ec44f38
commit c9d73d1f64
2 changed files with 104 additions and 20 deletions
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56
Lib/irix5/cddb.py
View File

@ -14,9 +14,9 @@
# You can then use c.write() to write out the changed values to the # You can then use c.write() to write out the changed values to the
# .cdplayerrc file. # .cdplayerrc file.
import string import string, posix
_cddbrc = '.cddb/' _cddbrc = '.cddb'
_DB_ID_NTRACKS = 5 _DB_ID_NTRACKS = 5
_dbid_map = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ@_=+abcdefghijklmnopqrstuvwxyz' _dbid_map = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ@_=+abcdefghijklmnopqrstuvwxyz'
def _dbid(v): def _dbid(v):
@ -25,8 +25,43 @@ def _dbid(v):
else: else:
return _dbid_map[v] return _dbid_map[v]
def tochash(toc):
if type(toc) == type(''):
tracklist = []
for i in range(2, len(toc), 4):
tracklist.append((None,
(string.atoi(toc[i:i+2]),
string.atoi(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: class Cddb:
def init(self, tracklist): def init(self, tracklist):
if posix.environ.has_key('CDDB_PATH'):
path = posix.environ['CDDB_PATH']
cddb_path = string.splitfields(path, ',')
else:
home = posix.environ['HOME']
cddb_path = [home + '/' + _cddbrc]
self.artist = '' self.artist = ''
self.title = '' self.title = ''
if type(tracklist) == type(''): if type(tracklist) == type(''):
@ -60,11 +95,15 @@ class Cddb:
start, length = track start, length = track
self.toc = self.toc + string.zfill(length[0], 2) + \ self.toc = self.toc + string.zfill(length[0], 2) + \
string.zfill(length[1], 2) string.zfill(length[1], 2)
for dir in cddb_path:
file = dir + '/' + self.id + '.rdb'
try: try:
import posix
file = posix.environ['HOME'] + '/' + _cddbrc + self.id + '.rdb'
f = open(file, 'r') f = open(file, 'r')
self.file = file
break
except IOError: except IOError:
pass
if not hasattr(self, 'file'):
return self return self
import regex import regex
reg = regex.compile('^\\([^.]*\\)\\.\\([^:]*\\):\t\\(.*\\)') reg = regex.compile('^\\([^.]*\\)\\.\\([^:]*\\):\t\\(.*\\)')
@ -93,7 +132,7 @@ class Cddb:
print 'syntax error in ' + file print 'syntax error in ' + file
continue continue
if trackno > ntracks: if trackno > ntracks:
print 'track number ' + trackno + \ print 'track number ' + `trackno` + \
' in file ' + file + \ ' in file ' + file + \
' out of range' ' out of range'
continue continue
@ -102,8 +141,11 @@ class Cddb:
return self return self
def write(self): def write(self):
import posix if posix.environ.has_key('CDDB_WRITE_DIR'):
file = posix.environ['HOME'] + '/' + _cddbrc + self.id + '.rdb' dir = posix.environ['CDDB_WRITE_DIR']
else:
dir = posix.environ['HOME'] + '/' + _cddbrc
file = dir + '/' + self.id + '.rdb'
f = open(file, 'w') f = open(file, 'w')
f.write('album.title:\t' + self.title + '\n') f.write('album.title:\t' + self.title + '\n')
f.write('album.artist:\t' + self.artist + '\n') f.write('album.artist:\t' + self.artist + '\n')

56
Lib/plat-irix5/cddb.py
View File

@ -14,9 +14,9 @@
# You can then use c.write() to write out the changed values to the # You can then use c.write() to write out the changed values to the
# .cdplayerrc file. # .cdplayerrc file.
import string import string, posix
_cddbrc = '.cddb/' _cddbrc = '.cddb'
_DB_ID_NTRACKS = 5 _DB_ID_NTRACKS = 5
_dbid_map = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ@_=+abcdefghijklmnopqrstuvwxyz' _dbid_map = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ@_=+abcdefghijklmnopqrstuvwxyz'
def _dbid(v): def _dbid(v):
@ -25,8 +25,43 @@ def _dbid(v):
else: else:
return _dbid_map[v] return _dbid_map[v]
def tochash(toc):
if type(toc) == type(''):
tracklist = []
for i in range(2, len(toc), 4):
tracklist.append((None,
(string.atoi(toc[i:i+2]),
string.atoi(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: class Cddb:
def init(self, tracklist): def init(self, tracklist):
if posix.environ.has_key('CDDB_PATH'):
path = posix.environ['CDDB_PATH']
cddb_path = string.splitfields(path, ',')
else:
home = posix.environ['HOME']
cddb_path = [home + '/' + _cddbrc]
self.artist = '' self.artist = ''
self.title = '' self.title = ''
if type(tracklist) == type(''): if type(tracklist) == type(''):
@ -60,11 +95,15 @@ class Cddb:
start, length = track start, length = track
self.toc = self.toc + string.zfill(length[0], 2) + \ self.toc = self.toc + string.zfill(length[0], 2) + \
string.zfill(length[1], 2) string.zfill(length[1], 2)
for dir in cddb_path:
file = dir + '/' + self.id + '.rdb'
try: try:
import posix
file = posix.environ['HOME'] + '/' + _cddbrc + self.id + '.rdb'
f = open(file, 'r') f = open(file, 'r')
self.file = file
break
except IOError: except IOError:
pass
if not hasattr(self, 'file'):
return self return self
import regex import regex
reg = regex.compile('^\\([^.]*\\)\\.\\([^:]*\\):\t\\(.*\\)') reg = regex.compile('^\\([^.]*\\)\\.\\([^:]*\\):\t\\(.*\\)')
@ -93,7 +132,7 @@ class Cddb:
print 'syntax error in ' + file print 'syntax error in ' + file
continue continue
if trackno > ntracks: if trackno > ntracks:
print 'track number ' + trackno + \ print 'track number ' + `trackno` + \
' in file ' + file + \ ' in file ' + file + \
' out of range' ' out of range'
continue continue
@ -102,8 +141,11 @@ class Cddb:
return self return self
def write(self): def write(self):
import posix if posix.environ.has_key('CDDB_WRITE_DIR'):
file = posix.environ['HOME'] + '/' + _cddbrc + self.id + '.rdb' dir = posix.environ['CDDB_WRITE_DIR']
else:
dir = posix.environ['HOME'] + '/' + _cddbrc
file = dir + '/' + self.id + '.rdb'
f = open(file, 'w') f = open(file, 'w')
f.write('album.title:\t' + self.title + '\n') f.write('album.title:\t' + self.title + '\n')
f.write('album.artist:\t' + self.artist + '\n') f.write('album.artist:\t' + self.artist + '\n')