catalyst

   1 #!/usr/bin/python
   2 # Copyright 1999-2004 Gentoo Technologies, Inc.
   3 # Distributed under the terms of the GNU General Public License v2
   4 # $Header: /var/cvsroot/gentoo/src/catalyst/catalyst,v 1.28 2004/02/11 03:31:55 zhen Exp $
   5
   6 import os,sys,imp,string
   7
   8 def usage():
   9         print "Usage: catalyst [-f file] [variable=value ...]"
  10         print " -h --help               print this usage and exit"
  11         print " -v --version            display version information"
  12         print " -f --file               read specified file for build instructions"
  13         print " variable=value          specify a variable/value pair"
  14
  15 def vers():
  16         print "Gentoo catalyst, version "+version
  17         print "Copyright 2003-2004 Gentoo Technologies, Inc."
  18         print "Distributed under the GNU General Public License version 2"
  19
  20 version="1.0"
  21
  22 if len(sys.argv)==1 or sys.argv[1] in ["-h","--help"]:
  23         usage()
  24         sys.exit(1)
  25 elif sys.argv[1] in ["-v","--version"]:
  26         vers()
  27         sys.exit(1)
  28 if os.getuid()!=0:
  29         #non-root callers can't go any further than here.
  30         print "catalyst: This script requires root privileges to operate."
  31         sys.exit(1)
  32
  33 myspec={}
  34 myconf={}
  35 if os.path.exists("/etc/catalyst.conf"):
  36         try:
  37                 execfile("/etc/catalyst.conf",myconf,myconf)
  38         except:
  39                 print "catalyst: Unable to parse /etc/catalyst.conf config file (syntax error)"
  40                 sys.exit(1)
  41
  42 confdefaults={ "storedir":"/var/tmp/catalyst","sharedir":"/usr/share/catalyst","distdir":"/usr/portage/distfiles",
  43 "portdir":"/usr/portage","options":"ccache"}
  44
  45 for x in confdefaults.keys():
  46         if myconf.has_key(x):
  47                 print "Setting",x,"to config file value \""+myconf[x]+"\""
  48                 myspec[x]=myconf[x]
  49         else:
  50                 print "Setting",x,"to default value \""+confdefaults[x]+"\""
  51                 myspec[x]=confdefaults[x]
  52
  53 #This allows plugins (and this code) to import modules in the /modules dir
  54 sys.path.append(myspec["sharedir"]+"/modules")
  55 try:
  56         from catalyst_support import *
  57         import targets
  58 except ImportError:
  59         print "catalyst: python modules not found in "+myspec["sharedir"]+"/modules; exiting."
  60         sys.exit(1)
  61
  62 targetmap={}
  63 targets.register(targetmap)
  64
  65 myspec["CCACHE"]="1"
  66 print "Compiler cache support enabled."
  67
  68 if "pkgcache" in string.split(myspec["options"]):
  69         print "Package cache support enabled."
  70         myspec["PKGCACHE"]="1"
  71
  72 if "distcc" in string.split(myspec["options"]):
  73         print "Distcc support enabled."
  74         myspec["DISTCC"]="1"
  75
  76 if myconf.has_key("envscript"):
  77         print "Envscript support enabled."
  78         myspec["ENVSCRIPT"]=myconf["envscript"]
  79
  80 if sys.argv[1] in ["-f", "--file" ]:
  81         try:
  82                 addlargs=read_spec(sys.argv[2])
  83         except:
  84                 raise CatalystError,"Unable to read spec file: "+sys.argv[2]
  85         unparsedargs=sys.argv[3:]
  86 else:
  87         addlargs={}
  88         unparsedargs=sys.argv[1:]
  89 try:
  90         arg_parse(myspec,addlargs,unparsedargs)
  91         if not targetmap.has_key(myspec["target"]):
  92                 raise CatalystError,"Target \""+myspec["target"]+"\" not available."
  93         mytarget=targetmap[myspec["target"]](myspec,addlargs)
  94
  95         mytarget.run()
  96 except CatalystError:
  97         sys.exit(1)