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authorMartin Michlmayr <tbm@cyrius.com>2006-02-05 20:24:07 +0100
committerMartin Michlmayr <tbm@cyrius.com>2006-02-05 20:24:07 +0100
commit97d87e1fa0808cf747bf0a4fe3b39d1cbdb5efc8 (patch)
treec817c2371ea765b6fd6f9e47f4985209dd1937dd /jack_utils.py
Import jack_3.1.1+cvs20050801.orig.tar.gz
[dgit import orig jack_3.1.1+cvs20050801.orig.tar.gz]
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+### jack_utils: utility functions for
+### jack - extract audio from a CD and encode it using 3rd party software
+### Copyright (C) 1999-2002 Arne Zellentin <zarne@users.sf.net>
+
+### This program is free software; you can redistribute it and/or modify
+### it under the terms of the GNU General Public License as published by
+### the Free Software Foundation; either version 2 of the License, or
+### (at your option) any later version.
+
+### This program is distributed in the hope that it will be useful,
+### but WITHOUT ANY WARRANTY; without even the implied warranty of
+### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+### GNU General Public License for more details.
+
+### You should have received a copy of the GNU General Public License
+### along with this program; if not, write to the Free Software
+### Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+import sys
+import signal
+import types
+import os
+import stat
+import string
+
+import jack_functions
+import jack_globals
+import jack_misc
+import jack_term
+
+from jack_globals import *
+
+def all_paths(p):
+ "return all path leading to and including p"
+ if type(p) == types.StringType:
+ p = split_dirname(p)
+ all = []
+ x = ""
+ for i in p:
+ x = os.path.join(x, i)
+ all.append(x)
+ return all
+
+def check_path(p1, p2):
+ "check if p1 and p2 are equal or sub/supersets"
+ if type(p1) == types.StringType:
+ p1 = split_dirname(p1)
+ if type(p2) == types.StringType:
+ p2 = split_dirname(p2)
+ for i in p1, p2:
+ if type(i) != types.ListType:
+ error("invalid type for check_path" + `i`)
+ if len(p1) > len(p2): # make sure p1 is shorter or as long as p2
+ p1, p2 = p2, p1
+ ok = 1
+ for i in range(1, len(p1) + 1):
+ if p1[-i] != p2[-i]:
+ ok = 0
+ return ok
+
+def rename_path(old, new):
+ "this is complicated."
+ cwd = os.getcwd()
+ print cwd
+ cwds = split_dirname(cwd)
+ if type(old) == types.StringType:
+ old = split_dirname(old)
+ if type(new) == types.StringType:
+ new = split_dirname(new)
+ for i in old, new, cwds:
+ if type(i) != types.ListType:
+ error("invalid type for rename_path: " + `i`)
+
+ # weed out empty dirs (which are technically illegal on freedb but exist)
+ tmp = []
+ for i in new:
+ if i:
+ tmp.append(i)
+ new = tmp
+ del tmp
+
+ for i in old:
+ os.chdir(os.pardir)
+ for i in new[:-1]:
+ if not os.path.exists(i):
+ try:
+ os.mkdir(i)
+ except OSError:
+ error('Cannot create directory "%s" (Filename is too long or has unusable characters)' % i)
+ if os.path.isdir(i):
+ os.chdir(i)
+ else:
+ error("could not create or change to " + i + " from " + os.getcwd())
+
+ last_of_new = new[-1]
+ if os.path.exists(last_of_new):
+ error("destination directory already exists: " + last_of_new)
+ try:
+ os.rename(cwd, last_of_new)
+ except OSError:
+ error('Cannot rename "%s" to "%s" (Filename is too long or has unusable characters)' % (cwd, last_of_new))
+ os.chdir(last_of_new)
+ # now remove empty "orphan" dirs
+
+ old_dirs = all_paths(cwds)
+ old_dirs.reverse()
+ for i in old_dirs[:len(old)][1:]:
+ try:
+ os.rmdir(i)
+ except OSError:
+ pass
+
+def cmp_toc(x, y):
+ "compare two track's length"
+ x, y = x[LEN], y[LEN]
+ if x > y: return 1
+ elif x == y: return 0
+ elif x < y: return -1
+
+NUM, LEN, START, COPY, PRE, CH, RIP, RATE, NAME = range(9)
+def cmp_toc_cd(x, y, what=(NUM, LEN, START)):
+ "compare the relevant parts of two TOCs"
+ if len(x) == len(y):
+ for i in range(len(x)):
+ for j in what:
+ if x[i][j] != y[i][j]:
+ return 0
+ else:
+ return 0
+ return 1
+
+def filesize(name):
+ return os.stat(name)[stat.ST_SIZE]
+
+def yes(what):
+ if what.has_key('save') and what['save'] == 0:
+ return ""
+
+ if what['type'] == 'toggle':
+ if what['val']:
+ s = "yes"
+ else:
+ s = "no"
+ elif what['type'] == types.StringType:
+ s = "'%s'" % what['val']
+ else:
+ s = str(what['val'])
+
+ s = " [%s]" % s
+ if what['history'][-1][0] == "global_rc":
+ s = s + "*"
+ if what.has_key('doc'):
+ s = s + " +"
+ return s
+
+def safe_float(number, message):
+ try:
+ return float(number)
+ except ValueError:
+ print message
+ sys.exit(1)
+
+def unusable_charmap(x):
+ for i in range(len(cf['_unusable_chars'])):
+ x = string.replace(x, cf['_unusable_chars'][i], cf['_replacement_chars'][i])
+ return x
+
+def mkdirname(names, template):
+ "generate mkdir-able directory name(s)"
+ dirs = template.split(os.path.sep)
+
+ dirs2 = []
+ for i in dirs:
+ replace_list = (("%a", names[0][0].encode(cf['_charset'], "replace")),
+ ("%l", names[0][1].encode(cf['_charset'], "replace")),
+ ("%y", `cf['_id3_year']`), ("%g", cf['_id3_genre_txt']))
+ x = jack_misc.multi_replace(i, replace_list, unusable_charmap)
+ exec("x = x" + cf['_char_filter'])
+ dirs2.append(x)
+ if cf['_append_year'] and len(`cf['_id3_year']`) == 4: # Y10K bug!
+ dirs2[-1] = dirs2[-1] + jack_misc.multi_replace(cf['_append_year'], replace_list)
+ name = ""
+ for i in dirs2:
+ name = os.path.join(name, i)
+ return dirs2, name
+
+def split_dirname(name):
+ "split path in components"
+ names = []
+ while 1:
+ base, sub = os.path.split(name)
+ if not base or base == os.sep:
+ names.append(os.path.join(base, sub))
+ break
+ names.append(sub)
+ name = base
+ names.reverse()
+ return names
+
+def split_path(path, num):
+ "split given path in num parts"
+ new_path = []
+ for i in range(1, num):
+ base, end = os.path.split(path)
+ path = base
+ new_path.append(end)
+ new_path.append(base)
+ new_path.reverse()
+
+def ex_edit(file):
+ editor = "/usr/bin/sensible-editor"
+ if os.environ.has_key("EDITOR"):
+ editor = os.environ['EDITOR']
+ print "invoking your editor,", editor, "..."
+ os.system(string.split(editor)[0] + " " + file)
+
+def has_track(l, num):
+ for i in range(len(l)):
+ if l[i][NUM] == num:
+ return i
+ return -1.5
+