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### jack_misc - misc stuff for
### jack - extract audio from a CD and MP3ify it using 3rd party software
### Copyright (C) 1999,2000 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 string, types
import sys
import os
def id(x):
return x
def multi_replace(s, rules, filter = id):
"like string.replace but take list (('from0', 'to0'), ('from1', 'to1'))..."
# currently all from must be like %x (a percent sign follow by single char.
res = ""
maybe = 0
for i in s:
if maybe:
maybe = 0
found = 0
for j in rules:
if ("%" + i) == j[0]:
res = res[:-1] + filter(j[1])
found = 1
if found:
continue
maybe = 0
if i == "%":
maybe = 1
res = res + i
return res
def safe_int(number, message):
try:
return int(number)
except ValueError:
print message
sys.exit(1)
class dict2(dict):
def rupdate(self, d2, where):
for i in d2.keys():
if self.__contains__(i):
new = self.__getitem__(i)
if new['val'] != d2[i]['val']:
new.update(d2[i])
new['history'].append([where, new['val']])
dict.__setitem__(self, i, new)
def __getitem__(self, y):
if type(y) == types.StringType and y and y[0] == "_":
return dict.__getitem__(self, y[1:])['val']
else:
return dict.__getitem__(self, y)
def __setitem__(self, y, x):
if type(y) == types.StringType and y and y[0] == "_":
self[y[1:]]['val'] = x
#return dict.__setitem__(self, y[1:])['val']
else:
return dict.__setitem__(self, y, x)
def loadavg():
"extract sysload from /proc/loadavg, linux only (?)"
try:
f = open("/proc/loadavg", "r")
load = float(string.split(f.readline())[0])
return load
except:
return -1
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