src/scripts/pakfire

   1 #!/usr/bin/python
   2
   3 import os
   4 import sys
   5
   6 import logging
   7 log = logging.getLogger("pakfire")
   8
   9 try:
  10         from pakfire.cli import *
  11         from pakfire.i18n import _
  12
  13 except ImportError, e:
  14         # Catch ImportError and show a more user-friendly message about what
  15         # went wrong.
  16
  17         # Try to load at least the i18n support, but when this fails as well we can
  18         # go with an English error message.
  19         try:
  20                 from pakfire.i18n import _
  21         except ImportError:
  22                 _ = lambda x: x
  23
  24         # XXX Maybe we can make a more beautiful message here?!
  25         print _("There has been an error when trying to import one or more of the"
  26                 " modules, that are required to run Pakfire.")
  27         print _("Please check your installation of Pakfire.")
  28         print
  29         print _("The error that lead to this:")
  30         print "  ", e
  31         print
  32
  33         # Exit immediately.
  34         sys.exit(1)
  35
  36 basename2cls = {
  37         "pakfire"         : Cli,
  38         "pakfire-builder" : CliBuilder,
  39         "pakfire-client"  : CliClient,
  40         "pakfire-daemon"  : CliDaemon,
  41         "pakfire-key"     : CliKey,
  42         "pakfire-server"  : CliServer,
  43         "builder"         : CliBuilderIntern,
  44 }
  45
  46 # Get the basename of the program
  47 basename = os.path.basename(sys.argv[0])
  48
  49 # Check if the program was called with a weird basename.
  50 # If so, we exit immediately.
  51 if not basename2cls.has_key(basename):
  52         sys.exit(127)
  53
  54 # Return code for the shell.
  55 ret = 0
  56
  57 try:
  58         # Creating command line interface
  59         cli = basename2cls[basename]()
  60
  61         cli.run()
  62
  63 except KeyboardInterrupt:
  64         log.critical("Recieved keyboard interupt (Ctrl-C). Exiting.")
  65         ret = 1
  66
  67 # Catch all errors and show a user-friendly error message.
  68 except Error, e:
  69         log.critical("")
  70         log.critical(_("An error has occured when running Pakfire."))
  71         log.error("")
  72
  73         log.error(_("Error message:"))
  74         log.error("  %s: %s" % (e.__class__.__name__, e.message))
  75         log.error("")
  76
  77         # Log the traceback when in debugging mode.
  78         log.debug("", exc_info=True)
  79
  80         log.error(_("Further description:"))
  81         msg = "%s" % e
  82         for line in msg.splitlines():
  83                 log.error("  %s" % line)
  84         log.error("")
  85
  86         ret = e.exit_code
  87
  88 sys.exit(ret)
  89