bin/emerge

   1 #!/usr/bin/python
   2 # Copyright 2006-2011 Gentoo Foundation
   3 # Distributed under the terms of the GNU General Public License v2
   4
   5 from __future__ import print_function
   6
   7 import signal
   8 import sys
   9 # This block ensures that ^C interrupts are handled quietly.
  10 try:
  11
  12         def exithandler(signum,frame):
  13                 signal.signal(signal.SIGINT, signal.SIG_IGN)
  14                 signal.signal(signal.SIGTERM, signal.SIG_IGN)
  15                 sys.exit(128 + signum)
  16
  17         signal.signal(signal.SIGINT, exithandler)
  18         signal.signal(signal.SIGTERM, exithandler)
  19         # Prevent "[Errno 32] Broken pipe" exceptions when
  20         # writing to a pipe.
  21         signal.signal(signal.SIGPIPE, signal.SIG_DFL)
  22
  23 except KeyboardInterrupt:
  24         sys.exit(128 + signal.SIGINT)
  25
  26 def debug_signal(signum, frame):
  27         import pdb
  28         pdb.set_trace()
  29 signal.signal(signal.SIGUSR1, debug_signal)
  30
  31 try:
  32         from _emerge.main import emerge_main
  33 except ImportError:
  34         from os import path as osp
  35         import sys
  36         sys.path.insert(0, osp.join(osp.dirname(osp.dirname(osp.realpath(__file__))), "pym"))
  37         from _emerge.main import emerge_main
  38
  39 if __name__ == "__main__":
  40         import sys
  41         from portage.exception import ParseError, PermissionDenied
  42         try:
  43                 retval = emerge_main()
  44         except PermissionDenied as e:
  45                 sys.stderr.write("Permission denied: '%s'\n" % str(e))
  46                 sys.exit(e.errno)
  47         except ParseError as e:
  48                 sys.stderr.write("%s\n" % str(e))
  49                 sys.exit(1)
  50         except SystemExit:
  51                 raise
  52         except Exception:
  53                 # If an unexpected exception occurs then we don't want the mod_echo
  54                 # output to obscure the traceback, so dump the mod_echo output before
  55                 # showing the traceback.
  56                 import traceback
  57                 tb_str = traceback.format_exc()
  58                 try:
  59                         from portage.elog import mod_echo
  60                 except ImportError:
  61                         pass
  62                 else:
  63                         mod_echo.finalize()
  64                 sys.stderr.write(tb_str)
  65                 sys.exit(1)
  66         sys.exit(retval)