jhbuild/main.py

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