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     if type(prog) is str:
  25         progStr = prog
  26     else:
  27         progStr = ' '.join(prog)
  28     try:
  29         pop = subprocess.Popen(progStr,
  30                                shell = 1,
  31                                stderr=subprocess.STDOUT,
  32                                stdout=subprocess.PIPE,
  33                                stdin=subprocess.PIPE)
  34     except OSError, e:
  35         debug("strerror: " + e.strerror)
  36         raise ProgramError(progStr, e.strerror)
  37
  38     if input != None:
  39         pop.stdin.write(input)
  40     pop.stdin.close()
  41
  42     out = pop.stdout.read()
  43     code = pop.wait()
  44     if code != 0:
  45         debug("error output: " + out)
  46         raise ProgramError(progStr, out)
  47     debug("output: " + out.replace('\0', '\n'))
  48     return out
  49
  50 def debug(str):
  51     if DEBUG:
  52         print str