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#-*- coding: utf-8 -*-
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# Copyright 2008-2010 Calculate Ltd. http://www.calculate-linux.org
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import string
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from random import choice
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import os
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import types
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import subprocess
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from subprocess import Popen,PIPE,STDOUT
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import stat
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from shutil import copytree, rmtree
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import cl_overriding
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import re
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import sys
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import getpass
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from types import StringType
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import magic as type_file
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import cl_lang
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tr = cl_lang.lang()
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tr.setLocalDomain('cl_lib')
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tr.setLanguage(sys.modules[__name__])
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class _error:
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# Здесь ошибки, если они есть
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error = []
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def getError(self):
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"""Выдать ошибки"""
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if not self.error:
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return False
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error = ""
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for e in self.error:
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error += e + "\n"
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return error
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def setError(self, error):
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"""Установка ошибки"""
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self.error.append(error)
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return True
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class _warning:
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# Здесь предупреждения
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warning = []
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def getWarning(self):
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"""Выдать ошибки"""
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if not self.warning:
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return False
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warning = ""
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for w in self.warning:
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warning += w + "\n"
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return warning
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def setWarning(self, warning):
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"""Установка ошибки"""
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self.warning.append(warning)
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return True
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class typeFile:
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"""Получение типа файла"""
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def __init__(self, magic=0x410):
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self.magicObject = type_file.open(type_file.MAGIC_NONE)
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self.magicObject.load()
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self.magicObject.setflags(magic)
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def __del__(self):
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"""Закрываем magic"""
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self.magicObject.close()
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def getMType(self, filename):
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"""Информация о типе файла"""
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return self.magicObject.file(filename)
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def isBinary(self, filename):
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"""является ли файл бинарным"""
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mime = self.getMType(filename)
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# В случае ошибки
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if mime.count("`"):
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return mime
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elif mime.count("binary"):
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return True
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return False
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class scanDirectory:
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"""Класс для cканирования директории"""
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def processingFile(self, path, prefix):
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"""Обработка в случае файла"""
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return True
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def processingDirectory(self, path, prefix):
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"""Обработка в случае директории если возвращаем None то пропуск дир."""
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return True
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def scanningDirectory(self, scanDir, skipFile=[], skipDir=[],
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prefix=None, flagDir=False):
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"""Сканирование и обработка шаблонов в директории scanDir"""
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ret = True
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if not prefix:
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prefix = os.path.join(scanDir,"")[:-1]
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if not flagDir:
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# проверка корневой директории
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retDir = self.processingDirectory(scanDir, scanDir)
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if retDir is None:
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return None
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elif retDir is False:
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return False
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if flagDir or stat.S_ISDIR(os.lstat(scanDir)[stat.ST_MODE]):
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for fileOrDir in sorted(os.listdir(scanDir)):
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absPath = os.path.join(scanDir,fileOrDir)
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relPath = absPath.split(prefix)[1]
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stInfo = os.lstat(absPath)
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statInfo = stInfo[stat.ST_MODE]
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if stat.S_ISREG(statInfo):
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# Обработка файла
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if relPath in skipFile:
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continue
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if not self.processingFile(absPath, prefix):
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ret = False
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break
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elif stat.S_ISDIR(statInfo):
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# Обработка директории
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if relPath in skipDir:
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continue
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retDir = self.processingDirectory(absPath, prefix)
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if retDir is None:
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continue
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elif retDir is False:
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ret = False
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break
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ret = self.scanningDirectory(absPath, skipFile,
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skipDir, prefix, True)
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if ret is False:
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break
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return ret
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class process:
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"""Execute system command by Popen
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Examples:
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execute program and get result:
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if process("/bin/gzip","/boot/somefile").success():
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print "Gzip success"
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unzip and process unzip data by cpio (list files):
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processGzip = process("/bin/gzip","-dc","/boot/initrd")
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processCpio = process("/bin/cpio","-tf",stdin=processGzip)
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filelist = processCpio.readlines()
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execute command and send data:
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processGrub = process("/sbin/grub")
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processGrub.write("root (hd0,0)\n")
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processGrub.write("setup (hd0)\n")
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processGrub.write("quit\n")
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isok = processGrub.success()
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union stdout and stderr:
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process("/bin/ls","/",stderr=STDOUT)
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result to stdout:
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process("/bin/ls",stdout=None)
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get data from keyboard:
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process("/bin/cat",stdin=None)
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"""
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def __init__(self,command,*params,**kwarg):
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if not "stdin" in kwarg:
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stdin=self._defaultStdin
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else:
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if kwarg["stdin"] == None:
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stdin = self._keyboardStdin
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else:
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stdin=kwarg["stdin"].getStdout
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self.stdout = kwarg.get("stdout",PIPE)
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self.envdict = kwarg.get("envdict",None)
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self.stderr = kwarg.get("stderr",PIPE)
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self.command = [command] + list(params)
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self.stdin = stdin
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self.iter = None
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self.pipe = None
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self.cacheresult = None
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self.communicated = False
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def _open(self):
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"""Open pipe if it not open"""
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if not self.pipe:
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self.pipe = Popen(self.command,
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stdout=self.stdout,
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stdin=self.stdin(),
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stderr=self.stderr,
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env=self.envdict)
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def _defaultStdin(self):
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"""Return default stdin"""
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return PIPE
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def _keyboardStdin(self):
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"""Return keyboard stdin"""
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return None
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def getStdout(self):
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"""Get current stdout"""
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self.close()
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return self.pipe.stdout
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def write(self,data):
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"""Write to process stdin"""
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self._open()
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self.pipe.stdin.write(data)
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self.pipe.stdin.flush()
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def close(self):
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"""Close stdin"""
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if self.pipe:
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self.pipe.stdin.close()
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def read(self):
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"""Read all data"""
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try:
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self._open()
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if self.cacheresult is None:
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self.cacheresult = self.pipe.communicate()[0]
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return self.cacheresult
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except KeyboardInterrupt:
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self.kill()
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raise KeyboardInterrupt
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def readlines(self):
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"""Read lines"""
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return self.read().split('\n')
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def __iter__(self):
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"""Get iterator"""
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if not self.iter:
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self.iter = iter(self.readlines())
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return self.iter
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def kill(self):
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"""Kill this process"""
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if self.pipe:
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self.pipe.kill()
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def next(self):
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"""Next string from stdout"""
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return self.__iter__().next()
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def returncode(self):
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"""Get return code"""
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self.read()
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return self.pipe.returncode
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def success(self):
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"""Success or not"""
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return self.returncode() == 0
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def failed(self):
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"""Failed or not"""
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return self.returncode() != 0
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class processProgress(process):
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"""Execute system command by Popen for parse stdout."""
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def __init__(self,command,*params,**kwarg):
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process.__init__(self,command,*params,**kwarg)
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self.readsize = kwarg.get("readsize",10)
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self.init(**kwarg)
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def init(self,**kwarg):
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pass
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def read(self):
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"""Read data with parsing ability"""
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try:
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self.processInit()
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self._open()
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if self.cacheresult is None:
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self.cacheresult = []
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self.buf = ""
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part = self.pipe.stdout.read(1)
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while part:
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if self.buf:
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self.buf += part
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else:
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self.buf = part
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if self.processStdout():
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self.processDraw()
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self.cacheresult.append(part)
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part = self.pipe.stdout.read(self.readsize)
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self.pipe.poll()
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self.processEnd(self.success())
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except KeyboardInterrupt:
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self.cacheresult = "".join(self.cacheresult)
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self.pipe.kill()
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self.processEnd(False)
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raise KeyboardInterrupt()
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self.cacheresult = "".join(self.cacheresult)
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return self.cacheresult
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def processInit(self):
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"""Called when read first byte"""
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pass
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def processDraw(self):
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"""Called when processStdout return True"""
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pass
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def processStdout(self):
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"""Called when read readsize byte from stdout"""
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return True
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def processEnd(self,res=True):
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"""Called when process end"""
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pass
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def runOsCommand(cmd,in_str=None, env_dict=None):
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"""Выполняет внешнюю программу
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Параметры:
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cmd внешняя программа
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in_str данные передаваемые программе на страндартный вход.
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env_dict словарь переменных окружения
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Возвращает (код возврата, список stdout+stderr)
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"""
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pipe = subprocess.Popen(cmd, stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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env=env_dict,
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close_fds=True,
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shell=True)
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fout, fin, ferr = (pipe.stdout, pipe.stdin, pipe.stderr)
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# если есть данные на вход, передать их
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if in_str:
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fin.write(in_str)
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fin.close()
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res = map(lambda x: x.rstrip(), fout.readlines())
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fout.close()
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res += map(lambda x: x.rstrip(), ferr.readlines())
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ferr.close()
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# Код возврата
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retcode = pipe.wait()
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return retcode, res
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def genpassword(passlen=9):
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'''Вернуть случайный набор символов указанной длины
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Параметры:
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passlen длина пароля который нужно сгенерировать
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Возвращаемые параметры:
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Сгенерированный пароль указанной длины
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'''
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res=''.join([choice(string.ascii_letters+string.digits)\
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for i in xrange(passlen)])
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return res
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def fillstr(char, width):
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'''Заполнить строку указанным числом символов. Псеводоним символ*кол-во'''
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return str(char) * width
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def getpathenv():
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"""Вернуть пути для запуска утилит"""
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bindir=['/sbin','/bin','/usr/sbin','/usr/bin']
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env=os.environ
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if env and env.has_key('PATH'):
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lpath=env['PATH'].split(":")
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npath=[]
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for dirname in bindir:
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if os.path.exists(dirname) and dirname not in lpath:
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npath.append(dirname)
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lpath=npath+lpath
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return ":".join(lpath)
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class MultiReplace:
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"""MultiReplace function object
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Usage:
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replacer = MultiReplace({'str':'efg','in':'asd'})
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s = replacer("string")
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"""
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def __init__(self, repl_dict):
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# string to string mapping; use a regular expression
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keys = repl_dict.keys()
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keys.sort(reverse=True) # lexical order
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pattern = u"|".join([re.escape(key) for key in keys])
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self.pattern = re.compile(pattern)
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self.dict = repl_dict
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def replace(self, s):
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# apply replacement dictionary to string
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def repl(match, get=self.dict.get):
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item = match.group(0)
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return get(item, item)
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return self.pattern.sub(repl, s)
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__call__ = replace
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def str2dict(s):
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"""Convert string to dictionary:
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String format:
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{'key1':'value1','key2':'val\'ue2'}
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"""
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value = r'(?:\\\\|\\\'|[^\'])'
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pair = r"""
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\s*' # begin key
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(%(v)s*)
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' # end key
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\s*:\s* # delimeter key/value
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' # begin value
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(%(v)s*)
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'\s* # end value
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""" % {"v":value}
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reDict = re.compile(pair, re.X)
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reMatchDict = re.compile("""
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^{ # begin dict
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((%(v)s,)* # many pair with comma at end
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%(v)s)? # pair without comma
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}$ # end dict
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""" % {'v':pair}, re.X)
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if reMatchDict.match(s.strip()):
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d = dict(reDict.findall(s))
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replaceSlash = MultiReplace({'\\\\':'\\','\\\'':'\''})
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for i in d.keys():
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d[i] = replaceSlash(d[i])
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return d
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else:
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cl_overriding.printERROR(_("wrong dict value: %s"%s))
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cl_overriding.exit(1)
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def str2list(s):
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"""Convert string to list:
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String format:
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['value1','val\'ue2']
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"""
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value = r'(?:\\\\|\\\'|[^\'])'
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element = r"""
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\s*' # begin value
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(%(v)s*)
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'\s* # end value
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""" % {"v":value}
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reList = re.compile(element, re.X)
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reMatchList = re.compile("""
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|
|
^\[ # begin dict
|
|
|
((%(v)s,)* # many elements with comma at end
|
|
|
%(v)s)? # element without comma
|
|
|
\]$ # end dict
|
|
|
""" % {'v':element}, re.X)
|
|
|
if reMatchList.match(s.strip()):
|
|
|
replaceSlash = MultiReplace({'\\\\':'\\','\\\'':'\''})
|
|
|
return [replaceSlash(i) for i in reList.findall(s)]
|
|
|
else:
|
|
|
cl_overriding.printERROR(_("wrong list value: %s"%s))
|
|
|
cl_overriding.exit(1)
|
|
|
|
|
|
def list2str(list):
|
|
|
"""Convert list to string
|
|
|
|
|
|
Return string with escaped \ and '.
|
|
|
"""
|
|
|
replaceSlash = MultiReplace({'\\':'\\\\','\'':'\\\''})
|
|
|
return "[%s]" % ','.join(["'%s'"%replaceSlash(str(i))
|
|
|
for i in list ])
|
|
|
|
|
|
def dict2str(dict):
|
|
|
"""Convert dictionry to string
|
|
|
|
|
|
Return string with escaped \ and '.
|
|
|
"""
|
|
|
replaceSlash = MultiReplace({'\\':'\\\\','\'':'\\\''})
|
|
|
return '{%s}' % ','.join(["'%s':'%s'" % (str(k),replaceSlash(str(v))) \
|
|
|
for (k,v) in dict.items()])
|
|
|
|
|
|
def convertStrListDict(val):
|
|
|
"""Convert data between string, list, dict"""
|
|
|
# if val is list
|
|
|
if type(val) == types.ListType:
|
|
|
return list2str(val)
|
|
|
# if val is dictionary
|
|
|
elif type(val) == types.DictType:
|
|
|
return dict2str(val)
|
|
|
# else it is string
|
|
|
else:
|
|
|
# detect dictionary
|
|
|
if re.match("^{.*}$",val):
|
|
|
return str2dict(val)
|
|
|
# detect list
|
|
|
elif re.match("^[.*]$",val):
|
|
|
return str2list(val)
|
|
|
# else is simple string
|
|
|
else:
|
|
|
return val
|
|
|
|
|
|
def _toUNICODE(val):
|
|
|
"""Convert text to unicode"""
|
|
|
if type(val) == types.UnicodeType:
|
|
|
return val
|
|
|
else:
|
|
|
return str(val).decode('UTF-8')
|
|
|
|
|
|
|
|
|
def getModeFile(nameFile, mode="all"):
|
|
|
"""Выдает информацию о файле
|
|
|
mode=="all"
|
|
|
права файла, владелец, группа файла
|
|
|
mode=="mode"
|
|
|
права файла
|
|
|
mode=="owner"
|
|
|
владелец, группа файла
|
|
|
"""
|
|
|
fst = os.lstat(nameFile)
|
|
|
if mode == "all":
|
|
|
return (stat.S_IMODE(fst.st_mode), fst.st_uid, fst.st_gid)
|
|
|
if mode == "mode":
|
|
|
return stat.S_IMODE(fst.st_mode)
|
|
|
if mode == "owner":
|
|
|
return fst.st_uid, fst.st_gid
|
|
|
|
|
|
|
|
|
def chownR(directory, uid, gid):
|
|
|
"""изменяет владельца и группу
|
|
|
|
|
|
для всех файлов и директорий внутри directory
|
|
|
"""
|
|
|
def chownPaths(rootPath, listPath, uid, gid):
|
|
|
for chPath in listPath:
|
|
|
chownPath = os.path.join(rootPath, chPath)
|
|
|
statInfo = os.lstat(chownPath)[stat.ST_MODE]
|
|
|
if stat.S_ISLNK(statInfo):
|
|
|
os.lchown(chownPath, uid, gid)
|
|
|
else:
|
|
|
os.chown(chownPath, uid, gid)
|
|
|
|
|
|
for root, dirs, files in os.walk(directory):
|
|
|
# меняем владельца директории
|
|
|
os.chown(root, uid, gid)
|
|
|
# Меняем владельца директорий
|
|
|
chownPaths(root, dirs, uid, gid)
|
|
|
# Меняем владельца файлов
|
|
|
chownPaths(root, files, uid, gid)
|
|
|
return True
|
|
|
|
|
|
def copyDir(srcDir, destDir):
|
|
|
"""Копируем директорию srcDir в destDir
|
|
|
|
|
|
При копировании сохраняются владелец, группа, права
|
|
|
"""
|
|
|
def ignoreFile(path, names):
|
|
|
"""Игнорирование сокетов при копировании"""
|
|
|
ignore = []
|
|
|
for name in names:
|
|
|
if stat.S_ISSOCK(os.lstat(os.path.join(path, name))[stat.ST_MODE]):
|
|
|
ignore.append(name)
|
|
|
return ignore
|
|
|
|
|
|
copytree(srcDir, destDir, ignore=ignoreFile)
|
|
|
return True
|
|
|
|
|
|
def removeDir(rmDir):
|
|
|
"""Рекурсивное удаление директории"""
|
|
|
rmtree(rmDir)
|
|
|
return True
|
|
|
|
|
|
def getRunCommands():
|
|
|
"""List run program"""
|
|
|
if not os.access('/proc',os.R_OK):
|
|
|
return []
|
|
|
return map(lambda x:open('/proc/%s/cmdline'%x).read().strip(),
|
|
|
filter(lambda x:x.isdigit(),
|
|
|
os.listdir('/proc')))
|
|
|
|
|
|
def isMount(path):
|
|
|
"""В случае монтирования директории выдает другой примонтированный путь"""
|
|
|
absPath = os.path.abspath(path)
|
|
|
mtabFile = '/etc/mtab'
|
|
|
if not os.access(mtabFile,os.R_OK):
|
|
|
return ""
|
|
|
return filter(lambda x: x!=absPath,
|
|
|
reduce(lambda x,y: y, filter(lambda x: absPath in x,
|
|
|
map(lambda x: [x[0], x[1]], map(lambda x: x.split(" "),
|
|
|
open(mtabFile)))),[""]))[0]
|
|
|
|
|
|
def pathJoin(*paths):
|
|
|
"""Складывает пути, в отличии от os.path.join, складывает абсолютные пути"""
|
|
|
if len(paths)==1:
|
|
|
return paths[0]
|
|
|
return reduce(os.path.join,
|
|
|
filter(lambda x:x and x != "/",
|
|
|
map(lambda x: x.startswith("/") and x[1:] or x,
|
|
|
paths[1:])),paths[0])
|
|
|
|
|
|
def getUserPassword(flag="dialog", pwDialog=False):
|
|
|
"""Получить пароль у пользователя
|
|
|
|
|
|
flag - опция "dalog" или "stdin" - откуда получаем пароль
|
|
|
pwDialog - структура для вывода приглашения в режиме диалога
|
|
|
"""
|
|
|
userPwd = ""
|
|
|
if flag == "dialog":
|
|
|
if not pwDialog:
|
|
|
pwDialog = [_("New password"),
|
|
|
_("Retype new password")]
|
|
|
pwdA = getpass.getpass(pwDialog[0]+":")
|
|
|
pwdB = getpass.getpass(pwDialog[1]+":")
|
|
|
elif flag == "stdin":
|
|
|
pwdA = sys.stdin.readline().rstrip()
|
|
|
pwdB = sys.stdin.readline().rstrip()
|
|
|
else:
|
|
|
cl_overriding.printERROR(_("ERROR in function getUserPassword, \
|
|
|
incorrect option 'flag=%s'")%flag)
|
|
|
return False
|
|
|
if not pwdA or not (pwdA == pwdB):
|
|
|
cl_overriding.printERROR(_("ERROR") + ": " +\
|
|
|
_("password incorrect")+ ": " + _("try again"))
|
|
|
return False
|
|
|
userPwd = pwdA
|
|
|
return userPwd
|
|
|
|
|
|
def cmpVersion(v1,v2):
|
|
|
"""Compare versions specified by tuple or string"""
|
|
|
if isinstance(v1,StringType):
|
|
|
v1 = getTupleVersion(v1)
|
|
|
if isinstance(v2,StringType):
|
|
|
v2 = getTupleVersion(v2)
|
|
|
return cmp((v1[0]+[0,]*(len(v2[0])-len(v1[0])),v1[1]),
|
|
|
(v2[0]+[0,]*(len(v1[0])-len(v2[0])),v2[1]))
|
|
|
|
|
|
def getTupleVersion(ver):
|
|
|
"""Get version specified by string as list:
|
|
|
Example:
|
|
|
2.6.30 [(2,6,30),('r',0)]
|
|
|
2.6.31-r1 [(2,6,31),('r',1)]
|
|
|
"""
|
|
|
suffix_value = {"pre": -2, "p": 0, "alpha": -4, "beta": -3,
|
|
|
"rc": -1}
|
|
|
def toTuple(v):
|
|
|
return map(lambda x: suffix_value[x] if x in suffix_value else x,
|
|
|
map(lambda x: int(x) if x.isdigit() else x,
|
|
|
re.findall("r\d+$|\d+|[a-zA-Z+]+",
|
|
|
v.replace('-SNAPSHOT',''))))
|
|
|
vers, revision = re.search("(^.*?)(-r\d+)?$",ver,re.S).groups()
|
|
|
vers = toTuple(vers)
|
|
|
revision = toTuple(revision or "r0")
|
|
|
return [vers,revision]
|
|
|
|
|
|
def appendProgramToEnvFile(nameProg, objVar):
|
|
|
"""Append name program to variable cl-merges and
|
|
|
|
|
|
save /etc/calculate/calculate.env """
|
|
|
if not objVar.AppendToList("cl_merges", nameProg, force=True):
|
|
|
return False
|
|
|
if not objVar.WriteList("cl_merges", force=True):
|
|
|
return False
|
|
|
return True
|
|
|
|
|
|
def removeProgramToEnvFile(nameProg, objVar):
|
|
|
"""Remove name program from variable cl-merges and save
|
|
|
|
|
|
/etc/calculate/calculate.env"""
|
|
|
if not objVar.RemoveToList("cl_merges", nameProg, force=True):
|
|
|
return False
|
|
|
if not objVar.WriteList("cl_merges", force=True):
|
|
|
return False
|
|
|
return True
|
