catalyst

   1 #!/usr/bin/python
   2
   3 import os,sys,imp,string
   4
   5 def usage():
   6         print "Usage: catalyst [-f file] [variable=value ...]"
   7         print " -h --help               print this usage and exit"
   8         print " -v --version            display version information"
   9         print " -f --file               read specified file for build instructions"
  10         print " variable=value          specify a variable/value pair"
  11
  12 def vers():
  13         print "Gentoo catalyst, version "+version
  14         print "Copyright 2003-2004 Gentoo Technologies, Inc."
  15         print "Distributed under the GNU General Public License version 2"
  16
  17 version="1.0"
  18
  19 if len(sys.argv)==1 or sys.argv[1] in ["-h","--help"]:
  20         usage()
  21         sys.exit(1)
  22 elif sys.argv[1] in ["-v","--version"]:
  23         vers()
  24         sys.exit(1)
  25 if os.getuid()!=0:
  26         #non-root callers can't go any further than here.
  27         print "catalyst: This script requires root privileges to operate."
  28         sys.exit(1)
  29
  30 myspec={}
  31 myconf={}
  32 if os.path.exists("/etc/catalyst.conf"):
  33         try:
  34                 execfile("/etc/catalyst.conf",myconf,myconf)
  35         except:
  36                 print "catalyst: Unable to /etc/catalyst.conf config file (syntax error)"
  37                 sys.exit(1)
  38
  39 confdefaults={ "storedir":"/var/tmp/catalyst","sharedir":"/usr/share/catalyst","distdir":"/usr/portage/distfiles",
  40 "portdir":"/usr/portage","options":"ccache"}
  41
  42 for x in confdefaults.keys():
  43         if myconf.has_key(x):
  44                 print "Setting",x,"to config file value \""+myconf[x]+"\""
  45                 myspec[x]=myconf[x]
  46         else:
  47                 print "Setting",x,"to default value \""+confdefaults[x]+"\""
  48                 myspec[x]=confdefaults[x]
  49
  50 #This allows plugins (and this code) to import modules in the /modules dir
  51 sys.path.append(myspec["sharedir"]+"/modules")
  52 try:
  53         from catalyst_support import *
  54         import targets
  55 except ImportError:
  56         print "catalyst: python modules not found in "+myspec["sharedir"]+"/modules; exiting."
  57         sys.exit(1)
  58
  59 targetmap={}
  60 targets.register(targetmap)
  61
  62 if "ccache" in string.split(myspec["options"]):
  63         if not os.environ.has_key["CCACHE_DIR"]:
  64                 print "Compiler cache support disabled (no CCACHE_DIR defined)"
  65         elif not os.path.exists(os.environ["CCACHE_DIR"]):
  66                 print "Compiler cache support disabled (no cache found at CCACHE_DIR)"
  67         else:
  68                 myspec["CCACHE"]="1"
  69                 print "Compiler cache support enabled."
  70 if "pkgcache" in string.split(myspec["options"]):
  71         print "Package cache support enabled."
  72         myspec["PKGCACHE"]="1"
  73
  74 if "distcc" in string.split(myspec["options"]):
  75         print "Distcc support enabled."
  76         myspec["DISTCC"]="1"
  77
  78 if sys.argv[1] in ["-f", "--file" ]:
  79         try:
  80                 addlargs=read_spec(sys.argv[2])
  81         except:
  82                 raise CatalystError,"Unable to read spec file: "+sys.argv[2]
  83         unparsedargs=sys.argv[3:]
  84 else:
  85         addlargs={}
  86         unparsedargs=sys.argv[1:]
  87 try:
  88         arg_parse(myspec,addlargs,unparsedargs)
  89         if not targetmap.has_key(myspec["target"]):
  90                 raise CatalystError,"Target \""+myspec["target"]+"\" not available."
  91         mytarget=targetmap[myspec["target"]](myspec,addlargs)
  92
  93         mytarget.run()
  94 except CatalystError:
  95         sys.exit(1)