ctcore.py

   1 import sys
   2
   3 applicationName = 'Commit Tool'
   4 shortName = 'ct'
   5 version = 'v0.1'
   6
   7 DEBUG = 0
   8
   9 # PyQt3 and python 2.4 isn't currently available together on
  10 # Debian/testing we do therefore use the following quite ugly work
  11 # around. The module 'mysubprocess' is just a copy of the 'subprocess'
  12 # module from the Python 2.4 distribution.
  13 ver = sys.version_info
  14 if ver[0] < 2 or (ver[0] == 2 and ver[1] <= 3):
  15     import mysubprocess
  16     subprocess = mysubprocess
  17 else:
  18     import subprocess
  19
  20 class File:
  21     pass
  22
  23 class ProgramError(Exception):
  24     def __init__(self, program, err):
  25         Exception.__init__(self)
  26         self.program = program
  27         self.error = err
  28
  29 def runProgram(prog, input=None):
  30     debug('runProgram prog: ' + str(prog) + " input: " + str(input))
  31     if type(prog) is str:
  32         progStr = prog
  33     else:
  34         progStr = ' '.join(prog)
  35
  36     try:
  37         pop = subprocess.Popen(prog,
  38                                shell = type(prog) is str,
  39                                stderr=subprocess.STDOUT,
  40                                stdout=subprocess.PIPE,
  41                                stdin=subprocess.PIPE)
  42     except OSError, e:
  43         debug("strerror: " + e.strerror)
  44         raise ProgramError(progStr, e.strerror)
  45
  46     if input != None:
  47         pop.stdin.write(input)
  48     pop.stdin.close()
  49
  50     out = pop.stdout.read()
  51     code = pop.wait()
  52     if code != 0:
  53         debug("error output: " + out)
  54         raise ProgramError(progStr, out)
  55     debug("output: " + out.replace('\0', '\n'))
  56     return out
  57
  58 def debug(str):
  59     if DEBUG:
  60         print str