Files
DistMaker/script/miscUtils.py
Norberto Lopez 86a247640c Various updates
2013-04-17 04:10:19 +00:00

128 lines
3.0 KiB
Python

#! /usr/bin/env python
import hashlib
import os
import time
import sys
def handleSignal(signal, frame):
"""Signal handler, typically used to capture ctrl-c."""
print('User aborted processing!')
sys.exit(0)
def getPathSize(aRoot):
"""Computes the total disk space used by the specified path.
Note if aRoot does not exist or is None then this will return 0"""
# Check for existance
if aRoot == None or os.path.exists(aRoot) == False:
return 0
# Return the file size of aRoot if just a file
aRoot = os.path.abspath(aRoot)
if os.path.isfile(aRoot) == True:
return os.path.getsize(aRoot)
# Add in all of the file sizes in the directory
numBytes = 0
for path, dirs, files in os.walk(aRoot):
for f in files:
fPath = os.path.join(path, f)
if os.path.isfile(fPath) == True:
numBytes += os.path.getsize(fPath)
return numBytes
def checkRoot():
"""
Determines if the scrip ist running with root priveleges."""
# This logic will may break on SELinux systems
if os.geteuid() != 0:
msg = ' You need to have root privileges to run this script.\n'
msg += ' Please run this script with sudo!\n'
msg += ' Exiting...\n'
exit(msg)
def getInstallRoot():
"""Returns the root path where the running script is insalled."""
argv = sys.argv;
installRoot = os.path.dirname(argv[0])
# print('appInstallRoot: ' + appInstallRoot)
return installRoot
def isJreAvailable(systemName, jreRelease):
appInstallRoot = getInstallRoot()
appInstallRoot = os.path.dirname(appInstallRoot)
srcPath = os.path.join(appInstallRoot, 'jre', systemName, jreRelease)
return os.path.isdir(srcPath)
def buildAppLauncherConfig(destFile, args):
classPathStr = ''
for aStr in args.classPath:
classPathStr += 'java/' + aStr + ':'
if len(classPathStr) > 0:
classPathStr = classPathStr[0:-1]
jvmArgsStr = ''
for aStr in args.jvmArgs:
if len(aStr) > 2 and aStr[0:1] == '\\':
aStr = aStr[1:]
jvmArgsStr += aStr + ' '
appArgsStr = ''
for aStr in args.appArgs:
appArgsStr += ' ' + aStr
f = open(destFile, 'wb')
# App name section
f.write('-name\n')
f.write(args.name + '\n')
f.write('\n')
# Version section
f.write('-version\n')
f.write(args.version + '\n')
f.write('\n')
# Build date section
exeDate = time.localtime()
buildDate = time.strftime('%Y%b%d %H:%M:%S', exeDate)
f.write('-buildDate\n')
f.write(buildDate + '\n')
f.write('\n')
# MainClass section
f.write('-mainClass\n')
f.write(args.mainClass + '\n')
f.write('\n')
# ClassPath section
f.write('-classPath\n')
for aStr in args.classPath:
f.write(aStr + '\n')
f.write('\n')
# Application args section
f.write('-appArgs\n')
for aStr in args.appArgs:
f.write(aStr + '\n')
f.write('\n')
f.close()
# Source: http://stackoverflow.com/questions/1131220/get-md5-hash-of-a-files-without-open-it-in-python
def computeMd5ForFile(evalFile, block_size=2**20):
f = open(evalFile, 'rb')
md5 = hashlib.md5()
while True:
data = f.read(block_size)
if not data:
break
md5.update(data)
f.close()
return md5.hexdigest()