jhbuild/main.py

   1 # jhbuild - a build script for GNOME 1.x and 2.x
   2 # Copyright (C) 2001-2006  James Henstridge
   3 #
   4 #   main.py: parses command line arguments and starts the build
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19
  20 import sys, os, errno
  21 import optparse
  22 import traceback
  23 import logging
  24
  25 import gettext
  26 import __builtin__
  27 __builtin__.__dict__['N_'] = lambda x: x
  28
  29 import jhbuild.config
  30 import jhbuild.commands
  31 from jhbuild.errors import UsageError, FatalError
  32 from jhbuild.utils.cmds import get_output
  33 from jhbuild.moduleset import warn_local_modulesets
  34
  35
  36 if sys.platform == 'darwin':
  37     # work around locale.getpreferredencoding() returning an empty string in
  38     # Mac OS X, see http://bugzilla.gnome.org/show_bug.cgi?id=534650 and
  39     # http://bazaar-vcs.org/DarwinCommandLineArgumentDecoding
  40     sys.platform = 'posix'
  41     try:
  42         import locale
  43     finally:
  44         sys.platform = 'darwin'
  45 else:
  46     import locale
  47
  48 try:
  49     _encoding = locale.getpreferredencoding()
  50     assert _encoding
  51 except (locale.Error, AssertionError):
  52     _encoding = 'ascii'
  53
  54 def uencode(s):
  55     if type(s) is unicode:
  56         return s.encode(_encoding, 'replace')
  57     else:
  58         return s
  59
  60 def uprint(*args):
  61     '''Print Unicode string encoded for the terminal'''
  62     for s in args[:-1]:
  63         print uencode(s),
  64     s = args[-1]
  65     print uencode(s)
  66
  67 __builtin__.__dict__['uprint'] = uprint
  68 __builtin__.__dict__['uencode'] = uencode
  69
  70 class LoggingFormatter(logging.Formatter):
  71     def __init__(self):
  72         logging.Formatter.__init__(self, '%(level_name_initial)s: %(message)s')
  73
  74     def format(self, record):
  75         record.level_name_initial = record.levelname[0]
  76         return logging.Formatter.format(self, record)
  77
  78 def print_help(parser):
  79     parser.print_help()
  80     print
  81     jhbuild.commands.print_help()
  82     parser.exit()
  83
  84 def main(args):
  85     localedir = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', 'mo'))
  86     if not os.path.exists(localedir):
  87         localedir = None
  88     gettext.install('jhbuild', localedir=localedir, unicode=True)
  89
  90     logging.getLogger().setLevel(logging.INFO)
  91     logging_handler = logging.StreamHandler()
  92     logging_handler.setFormatter(LoggingFormatter())
  93     logging.getLogger().addHandler(logging_handler)
  94     parser = optparse.OptionParser(
  95         usage=_('%prog [ -f config ] command [ options ... ]'),
  96         add_help_option=False,
  97         description=_('Build a set of modules from diverse repositories in correct dependency order (such as GNOME).'))
  98     parser.disable_interspersed_args()
  99     parser.add_option('-h', '--help', action='callback',
 100                       callback=lambda *args: print_help(parser),
 101                       help=_("Display this help and exit"))
 102     parser.add_option('--help-commands', action='callback',
 103                       callback=lambda *args: print_help(parser),
 104                       help=optparse.SUPPRESS_HELP)
 105     parser.add_option('-f', '--file', action='store', metavar='CONFIG',
 106                       type='string', dest='configfile',
 107                       default=os.environ.get("JHBUILDRC", os.path.join(os.environ['HOME'], '.jhbuildrc')),
 108                       help=_('use a non default configuration file'))
 109     parser.add_option('-m', '--moduleset', action='store', metavar='URI',
 110                       type='string', dest='moduleset', default=None,
 111                       help=_('use a non default module set'))
 112     parser.add_option('--no-interact', action='store_true',
 113                       dest='nointeract', default=False,
 114                       help=_('do not prompt for input'))
 115
 116     options, args = parser.parse_args(args)
 117
 118     try:
 119         config = jhbuild.config.Config(options.configfile)
 120     except FatalError, exc:
 121         sys.stderr.write('jhbuild: %s\n' % exc.args[0].encode(_encoding, 'replace'))
 122         sys.exit(1)
 123
 124     if options.moduleset: config.moduleset = options.moduleset
 125     if options.nointeract: config.interact = False
 126
 127     if not args or args[0][0] == '-':
 128         command = 'build' # default to cvs update + compile
 129     else:
 130         command = args[0]
 131         args = args[1:]
 132
 133     warn_local_modulesets(config)
 134
 135     try:
 136         rc = jhbuild.commands.run(command, config, args, help=lambda: print_help(parser))
 137     except UsageError, exc:
 138         sys.stderr.write('jhbuild %s: %s\n' % (command, exc.args[0].encode(_encoding, 'replace')))
 139         parser.print_usage()
 140         sys.exit(1)
 141     except FatalError, exc:
 142         sys.stderr.write('jhbuild %s: %s\n' % (command, exc.args[0].encode(_encoding, 'replace')))
 143         sys.exit(1)
 144     except KeyboardInterrupt:
 145         uprint(_('Interrupted'))
 146         sys.exit(1)
 147     except EOFError:
 148         uprint(_('EOF'))
 149         sys.exit(1)
 150     except IOError, e:
 151         if e.errno != errno.EPIPE:
 152             raise
 153         sys.exit(0)
 154     if rc:
 155         sys.exit(rc)
 156