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 help_commands(option, opt_str, value, parser):
  79     thisdir = os.path.abspath(os.path.dirname(__file__))
  80
  81     # import all available commands
  82     for fname in os.listdir(os.path.join(thisdir, 'commands')):
  83         name, ext = os.path.splitext(fname)
  84         if not ext == '.py':
  85             continue
  86         try:
  87             __import__('jhbuild.commands.%s' % name)
  88         except ImportError:
  89             pass
  90
  91     uprint(_('JHBuild commands are:'))
  92     commands = [(x.name, x.doc) for x in jhbuild.commands.get_commands().values()]
  93     commands.sort()
  94     for name, description in commands:
  95         uprint('  %-15s %s' % (name, description))
  96     print
  97     uprint(_('For more information run "jhbuild <command> --help"'))
  98     parser.exit()
  99
 100 def main(args):
 101     localedir = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', 'mo'))
 102     if not os.path.exists(localedir):
 103         localedir = None
 104     gettext.install('jhbuild', localedir=localedir, unicode=True)
 105
 106     logging.getLogger().setLevel(logging.INFO)
 107     logging_handler = logging.StreamHandler()
 108     logging_handler.setFormatter(LoggingFormatter())
 109     logging.getLogger().addHandler(logging_handler)
 110     parser = optparse.OptionParser(
 111         usage=_('%prog [ -f config ] command [ options ... ]'),
 112         description=_('Build a set of modules from diverse repositories in correct dependency order (such as GNOME).'))
 113     parser.disable_interspersed_args()
 114     parser.add_option('--help-commands', action='callback',
 115                       callback=help_commands,
 116                       help=_('Information about available jhbuild commands'))
 117     parser.add_option('-f', '--file', action='store', metavar='CONFIG',
 118                       type='string', dest='configfile',
 119                       default=os.environ.get("JHBUILDRC", os.path.join(os.environ['HOME'], '.jhbuildrc')),
 120                       help=_('use a non default configuration file'))
 121     parser.add_option('-m', '--moduleset', action='store', metavar='URI',
 122                       type='string', dest='moduleset', default=None,
 123                       help=_('use a non default module set'))
 124     parser.add_option('--no-interact', action='store_true',
 125                       dest='nointeract', default=False,
 126                       help=_('do not prompt for input'))
 127
 128     options, args = parser.parse_args(args)
 129
 130     try:
 131         config = jhbuild.config.Config(options.configfile)
 132     except FatalError, exc:
 133         sys.stderr.write('jhbuild: %s\n' % exc.args[0].encode(_encoding, 'replace'))
 134         sys.exit(1)
 135
 136     if options.moduleset: config.moduleset = options.moduleset
 137     if options.nointeract: config.interact = False
 138
 139     if not args or args[0][0] == '-':
 140         command = 'build' # default to cvs update + compile
 141     else:
 142         command = args[0]
 143         args = args[1:]
 144
 145     warn_local_modulesets(config)
 146
 147     try:
 148         rc = jhbuild.commands.run(command, config, args)
 149     except UsageError, exc:
 150         sys.stderr.write('jhbuild %s: %s\n' % (command, exc.args[0].encode(_encoding, 'replace')))
 151         parser.print_usage()
 152         sys.exit(1)
 153     except FatalError, exc:
 154         sys.stderr.write('jhbuild %s: %s\n' % (command, exc.args[0].encode(_encoding, 'replace')))
 155         sys.exit(1)
 156     except KeyboardInterrupt:
 157         uprint(_('Interrupted'))
 158         sys.exit(1)
 159     except EOFError:
 160         uprint(_('EOF'))
 161         sys.exit(1)
 162     except IOError, e:
 163         if e.errno != errno.EPIPE:
 164             raise
 165         sys.exit(0)
 166     if rc:
 167         sys.exit(rc)
 168