ctcore.py

   1 # Copyright (c) 2005 Fredrik Kuivinen <freku045@student.liu.se>
   2 #
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License version 2 as
   5 # published by the Free Software Foundation.
   6 #
   7 # This program is distributed in the hope that it will be useful,
   8 # but WITHOUT ANY WARRANTY; without even the implied warranty of
   9 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10 # GNU General Public License for more details.
  11 #
  12 # You should have received a copy of the GNU General Public License
  13 # along with this program; if not, write to the Free Software
  14 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  15
  16 import sys
  17
  18 applicationName = 'Commit Tool'
  19 shortName = 'ct'
  20 version = 'v0.1'
  21
  22 DEBUG = 0
  23
  24 # PyQt3 and python 2.4 isn't currently available together on
  25 # Debian/testing we do therefore use the following quite ugly work
  26 # around. The module 'mysubprocess' is just a copy of the 'subprocess'
  27 # module from the Python 2.4 distribution.
  28 ver = sys.version_info
  29 if ver[0] < 2 or (ver[0] == 2 and ver[1] <= 3):
  30     import mysubprocess
  31     subprocess = mysubprocess
  32 else:
  33     import subprocess
  34
  35 class File:
  36     pass
  37
  38 class ProgramError(Exception):
  39     def __init__(self, program, err):
  40         Exception.__init__(self)
  41         self.program = program
  42         self.error = err
  43
  44 def runProgram(prog, input=None):
  45     debug('runProgram prog: ' + str(prog) + " input: " + str(input))
  46     if type(prog) is str:
  47         progStr = prog
  48     else:
  49         progStr = ' '.join(prog)
  50
  51     try:
  52         pop = subprocess.Popen(prog,
  53                                shell = type(prog) is str,
  54                                stderr=subprocess.STDOUT,
  55                                stdout=subprocess.PIPE,
  56                                stdin=subprocess.PIPE)
  57     except OSError, e:
  58         debug("strerror: " + e.strerror)
  59         raise ProgramError(progStr, e.strerror)
  60
  61     if input != None:
  62         pop.stdin.write(input)
  63     pop.stdin.close()
  64
  65     out = pop.stdout.read()
  66     code = pop.wait()
  67     if code != 0:
  68         debug("error output: " + out)
  69         raise ProgramError(progStr, out)
  70     debug("output: " + out.replace('\0', '\n'))
  71     return out
  72
  73 def debug(str):
  74     if DEBUG:
  75         print str