Util.py :  » Build » BusyB » busybee-2.2 » busybee » Python Open Source

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Python Open Source » Build » BusyB 
BusyB » busybee 2.2 » busybee » Util.py
#
#  BusyB, an automated build utility.
#
#  Copyright (C) 1997-2005
#
#  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., 675 Mass Ave, Cambridge, MA 02139, USA.
#

import locale
import tempfile
import os
import smtplib 

from BusyBException import BusyBException

#
# Execute the cmd, placing the output in the log file.
#
def cmd( logFile, cmd ):

  outputPath = tempfile.mktemp()
  newCmd = '(' + cmd + ')' + ' >' + outputPath + ' 2>&1'
  logFile.timeStamp( "Executing command: " + newCmd )
  logFile.paragraph()
  logFile.startQuote()

  errorLog=''

  print 'RUNNING CMD: ', newCmd
  status = os.system(newCmd)
  print 'Done running cmd'

  print 'checking isfile'

  if os.path.isfile(outputPath):
    print 'after if'
    inFile = open( outputPath, "r")
    print 'after reading file'
    l = inFile.readline()
    print 'before loop'
    while l:
      logFile.write( l )
      l = inFile.readline()
    logFile.endQuote()
    inFile.close()
    print 'end of if'
    
    print 'getting the tail of the log'
    log = tailLog(outputPath)
    print 'got the tail of the log'
      
    logFile.writeln( "Command returned " + str(status) )
    os.remove(outputPath)

  print 'checking status'
  if status != 0:
    print 'status bad'
    raise BusyBException( "Command failed [" + str(status) + "]: " + cmd, logFile )
  return status

#
# Return the last 2k or so of the given file.
#
def tailLog(path):
  try:
    length = os.stat(path)[6]
  except:
    return 'Cant read log file: ' + path

  inFile=open( path, "r")
  if length > 2000:
    inFile.seek( -2000, 2 )
  errorLog=inFile.read()
  inFile.close()
  return errorLog

def writeFile( path, contents ):
  f = open( path, "w" )
  f.write( contents )
  f.write( '\n' )
  f.close()

def readFile( path ):
  f = open( path, "r")
  ret = f.read()
  f.close()
  return ret.strip()

#
# Send an email.
#
def sendMail( host, port, fromAddr, toAddr, message):
    mailer = smtplib.SMTP(host, port)
    if type(message)==unicode:
        codeset=locale.getpreferredencoding()
        message=message.encode(codeset)
    mailer.sendmail( fromAddr, toAddr, message )


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