ctcore.py

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