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 = 'v0.3'
  21
  22 executeMain = True
  23 _settings = None
  24
  25 def settings():
  26     global _settings
  27     if not _settings:
  28         from settings import Settings
  29         _settings = Settings()
  30     return _settings
  31
  32 DEBUG = 0
  33
  34 # PyQt3 and python 2.4 isn't currently available together on
  35 # Debian/testing we do therefore use the following quite ugly work
  36 # around. The module 'mysubprocess' is just a copy of the 'subprocess'
  37 # module from the Python 2.4 distribution.
  38 ver = sys.version_info
  39 if ver[0] < 2 or (ver[0] == 2 and ver[1] <= 3):
  40     import mysubprocess
  41     subprocess = mysubprocess
  42 else:
  43     import subprocess
  44
  45 class File:
  46     def __init__(self):
  47         self.listViewItem = None
  48
  49 class ProgramError(Exception):
  50     def __init__(self, progStr, error):
  51         self.progStr = progStr
  52         self.error = error
  53
  54     def __str__(self):
  55         return self.progStr + ': ' + self.error
  56
  57 def runProgram(prog, input=None, expectedexits=[0]):
  58     debug('runProgram prog: ' + str(prog) + " input: " + str(input))
  59     if type(prog) is str:
  60         progStr = prog
  61     else:
  62         progStr = ' '.join(prog)
  63
  64     try:
  65         pop = subprocess.Popen(prog,
  66                                shell = type(prog) is str,
  67                                stderr=subprocess.STDOUT,
  68                                stdout=subprocess.PIPE,
  69                                stdin=subprocess.PIPE)
  70     except OSError, e:
  71         debug("strerror: " + e.strerror)
  72         raise ProgramError(progStr, e.strerror)
  73
  74     if input != None:
  75         pop.stdin.write(input)
  76     pop.stdin.close()
  77
  78     out = pop.stdout.read()
  79     code = pop.wait()
  80     if code not in expectedexits:
  81         debug("error output: " + out)
  82         raise ProgramError(progStr, out)
  83     debug("output: " + out.replace('\0', '\n'))
  84     return out
  85
  86 def debug(str):
  87     if DEBUG:
  88         print str