def writeUnixLauncher(pathLaunchScript, pathShellScript, optInstallTool=0,
sudoFound=None):
"""used to create shell scripts that act as application launcher
creates file in local directory first, using paths in args
will optional move to /usr/local/bin if optInstallTool is 1
pathLaunchScript is the path to the python file
pathShellScript is the path to the shell script to be written\
if optInstallTool == 2; case were to assume already root
"""
environment.printWarn('writing launcher script:\n%s' % pathLaunchScript)
pythonExe = sys.executable
# get name of shell script
dir, name = os.path.split(pathShellScript)
# sets command line options: -O for optimized
# sets -u for unbuffered standard out
launchScript = '#!/bin/sh \n%s -O -u %s $*\n\n' % (pythonExe,
pathLaunchScript)
# erase if already exists
if os.path.exists(pathShellScript):
if optInstallTool <= 1: # use sudo
osTools.rmSudo(pathShellScript, sudoFound)
elif optInstallTool == 2: # do not use sudo
osTools.rm(pathShellScript)
# touch a file first
# always write a basic script in local dirs
try:
f = open(pathShellScript, 'w') # test opening the file
f.close()
permissionError = 0
except IOError:
permissionError = 1
if permissionError: # try to change mod of parent dir
dir, name = os.path.split(pathShellScript)
osTools.chmodSudo(775, dir, sudoFound)
# try again w/ changed permissions
try:
f = open(pathShellScript, 'w')
f.write(launchScript)
f.close()
osTools.chmod(775, pathShellScript)
except IOError:
environment.printWarn(lang.msgFileIoError % pathShellScript)
# optionally move this script to /usr/local/bin
if optInstallTool >= 1: # install tool into /usr/local/bin
binPath = osTools.findBinPath()
flagStr = '-p' # create intermediate dirs as required
dstPath = os.path.join(binPath, name)
print _MOD, 'installing launcher script:\n%s' % dstPath
if not os.path.exists(binPath): # create directory
if optInstallTool == 1: # use sudo
osTools.mkdirSudo(binPath, sudoFound, flagStr)
if optInstallTool == 2: # already root
osTools.mkdir(binPath, flagStr)
# mv launcher script to dir
if optInstallTool == 1: # use sudo, get permissioin
osTools.mvSudo(pathShellScript, dstPath, sudoFound)
elif optInstallTool == 2: # already root
osTools.mv(pathShellScript, dstPath)
def soxSpeed(src, dst=None, speed=.5):
# this is destructive if dst id none
if dst == None: # replace original
nameStub, ext = osTools.extSplit(src)
dst = '%s-temp%s' % (nameStub, ext)
#print 'in, out, total:', timeIn, timeOut, timeTotal
# t is a linear slope
cmd = 'sox %s %s speed %s' % (src, dst, speed)
os.system(cmd)
if dst == '%s-temp%s' % (nameStub, ext):
osTools.mv(dst, src)
#osTools.rm(dst)
return src
def soxSpeed(src, dst=None, speed=.5):
# this is destructive if dst id none
if dst == None: # replace original
nameStub, ext = osTools.extSplit(src)
dst = '%s-temp%s' % (nameStub, ext)
#print 'in, out, total:', timeIn, timeOut, timeTotal
# t is a linear slope
cmd = 'sox %s %s speed %s' % (src, dst, speed)
os.system(cmd)
if dst == '%s-temp%s' % (nameStub, ext):
osTools.mv(dst, src)
#osTools.rm(dst)
return src
def soxFade(src, dst=None, timeIn=.01, timeOut=.01):
# add a fade in and fade out to sound file
# need total time
# this is destructive if dst id none
timeTotal = fileDur(src)
if dst == None: # replace original
nameStub, ext = osTools.extSplit(src)
dst = '%s-temp%s' % (nameStub, ext)
#print 'in, out, total:', timeIn, timeOut, timeTotal
# t is a linear slope
cmd = 'sox %s %s fade t %s %s %s' % (src, dst, timeIn, timeTotal, timeOut)
os.system(cmd)
if dst == '%s-temp%s' % (nameStub, ext):
osTools.mv(dst, src)
#osTools.rm(dst)
return src
def soxFade(src, dst=None, timeIn=.01, timeOut=.01):
# add a fade in and fade out to sound file
# need total time
# this is destructive if dst id none
timeTotal = fileDur(src)
if dst == None: # replace original
nameStub, ext = osTools.extSplit(src)
dst = '%s-temp%s' % (nameStub, ext)
#print 'in, out, total:', timeIn, timeOut, timeTotal
# t is a linear slope
cmd = 'sox %s %s fade t %s %s %s' % (src, dst, timeIn, timeTotal, timeOut)
os.system(cmd)
if dst == '%s-temp%s' % (nameStub, ext):
osTools.mv(dst, src)
#osTools.rm(dst)
return src
