waflib/Options.py

   1 #! /usr/bin/env python
   2 # encoding: utf-8
   3 # WARNING! Do not edit! http://waf.googlecode.com/git/docs/wafbook/single.html#_obtaining_the_waf_file
   4
   5 import os,tempfile,optparse,sys,re
   6 from waflib import Logs,Utils,Context
   7 cmds='distclean configure build install clean uninstall check dist distcheck'.split()
   8 options={}
   9 commands=[]
  10 lockfile=os.environ.get('WAFLOCK','.lock-waf_%s_build'%sys.platform)
  11 try:cache_global=os.path.abspath(os.environ['WAFCACHE'])
  12 except KeyError:cache_global=''
  13 platform=Utils.unversioned_sys_platform()
  14 class opt_parser(optparse.OptionParser):
  15         def __init__(self,ctx):
  16                 optparse.OptionParser.__init__(self,conflict_handler="resolve",version='waf %s (%s)'%(Context.WAFVERSION,Context.WAFREVISION))
  17                 self.formatter.width=Logs.get_term_cols()
  18                 p=self.add_option
  19                 self.ctx=ctx
  20                 jobs=ctx.jobs()
  21                 p('-j','--jobs',dest='jobs',default=jobs,type='int',help='amount of parallel jobs (%r)'%jobs)
  22                 p('-k','--keep',dest='keep',default=0,action='count',help='keep running happily even if errors are found')
  23                 p('-v','--verbose',dest='verbose',default=0,action='count',help='verbosity level -v -vv or -vvv [default: 0]')
  24                 p('--nocache',dest='nocache',default=False,action='store_true',help='ignore the WAFCACHE (if set)')
  25                 p('--zones',dest='zones',default='',action='store',help='debugging zones (task_gen, deps, tasks, etc)')
  26                 gr=optparse.OptionGroup(self,'configure options')
  27                 self.add_option_group(gr)
  28                 gr.add_option('-o','--out',action='store',default='',help='build dir for the project',dest='out')
  29                 gr.add_option('-t','--top',action='store',default='',help='src dir for the project',dest='top')
  30                 default_prefix=os.environ.get('PREFIX')
  31                 if not default_prefix:
  32                         if platform=='win32':
  33                                 d=tempfile.gettempdir()
  34                                 default_prefix=d[0].upper()+d[1:]
  35                         else:
  36                                 default_prefix='/usr/local/'
  37                 gr.add_option('--prefix',dest='prefix',default=default_prefix,help='installation prefix [default: %r]'%default_prefix)
  38                 gr.add_option('--download',dest='download',default=False,action='store_true',help='try to download the tools if missing')
  39                 gr=optparse.OptionGroup(self,'build and install options')
  40                 self.add_option_group(gr)
  41                 gr.add_option('-p','--progress',dest='progress_bar',default=0,action='count',help='-p: progress bar; -pp: ide output')
  42                 gr.add_option('--targets',dest='targets',default='',action='store',help='task generators, e.g. "target1,target2"')
  43                 gr=optparse.OptionGroup(self,'step options')
  44                 self.add_option_group(gr)
  45                 gr.add_option('--files',dest='files',default='',action='store',help='files to process, by regexp, e.g. "*/main.c,*/test/main.o"')
  46                 default_destdir=os.environ.get('DESTDIR','')
  47                 gr=optparse.OptionGroup(self,'install/uninstall options')
  48                 self.add_option_group(gr)
  49                 gr.add_option('--destdir',help='installation root [default: %r]'%default_destdir,default=default_destdir,dest='destdir')
  50                 gr.add_option('-f','--force',dest='force',default=False,action='store_true',help='force file installation')
  51                 gr.add_option('--distcheck-args',help='arguments to pass to distcheck',default=None,action='store')
  52         def get_usage(self):
  53                 cmds_str={}
  54                 for cls in Context.classes:
  55                         if not cls.cmd or cls.cmd=='options':
  56                                 continue
  57                         s=cls.__doc__ or''
  58                         cmds_str[cls.cmd]=s
  59                 if Context.g_module:
  60                         for(k,v)in Context.g_module.__dict__.items():
  61                                 if k in['options','init','shutdown']:
  62                                         continue
  63                                 if type(v)is type(Context.create_context):
  64                                         if v.__doc__ and not k.startswith('_'):
  65                                                 cmds_str[k]=v.__doc__
  66                 just=0
  67                 for k in cmds_str:
  68                         just=max(just,len(k))
  69                 lst=['  %s: %s'%(k.ljust(just),v)for(k,v)in cmds_str.items()]
  70                 lst.sort()
  71                 ret='\n'.join(lst)
  72                 return'''waf [commands] [options]
  73
  74 Main commands (example: ./waf build -j4)
  75 %s
  76 '''%ret
  77 class OptionsContext(Context.Context):
  78         cmd='options'
  79         fun='options'
  80         def __init__(self,**kw):
  81                 super(OptionsContext,self).__init__(**kw)
  82                 self.parser=opt_parser(self)
  83                 self.option_groups={}
  84         def jobs(self):
  85                 count=int(os.environ.get('JOBS',0))
  86                 if count<1:
  87                         if'NUMBER_OF_PROCESSORS'in os.environ:
  88                                 count=int(os.environ.get('NUMBER_OF_PROCESSORS',1))
  89                         else:
  90                                 if hasattr(os,'sysconf_names'):
  91                                         if'SC_NPROCESSORS_ONLN'in os.sysconf_names:
  92                                                 count=int(os.sysconf('SC_NPROCESSORS_ONLN'))
  93                                         elif'SC_NPROCESSORS_CONF'in os.sysconf_names:
  94                                                 count=int(os.sysconf('SC_NPROCESSORS_CONF'))
  95                                 if not count and os.name not in('nt','java'):
  96                                         try:
  97                                                 tmp=self.cmd_and_log(['sysctl','-n','hw.ncpu'],quiet=0)
  98                                         except Exception:
  99                                                 pass
 100                                         else:
 101                                                 if re.match('^[0-9]+$',tmp):
 102                                                         count=int(tmp)
 103                 if count<1:
 104                         count=1
 105                 elif count>1024:
 106                         count=1024
 107                 return count
 108         def add_option(self,*k,**kw):
 109                 return self.parser.add_option(*k,**kw)
 110         def add_option_group(self,*k,**kw):
 111                 try:
 112                         gr=self.option_groups[k[0]]
 113                 except KeyError:
 114                         gr=self.parser.add_option_group(*k,**kw)
 115                 self.option_groups[k[0]]=gr
 116                 return gr
 117         def get_option_group(self,opt_str):
 118                 try:
 119                         return self.option_groups[opt_str]
 120                 except KeyError:
 121                         for group in self.parser.option_groups:
 122                                 if group.title==opt_str:
 123                                         return group
 124                         return None
 125         def parse_args(self,_args=None):
 126                 global options,commands
 127                 (options,leftover_args)=self.parser.parse_args(args=_args)
 128                 commands=leftover_args
 129                 if options.destdir:
 130                         options.destdir=os.path.abspath(os.path.expanduser(options.destdir))
 131                 if options.verbose>=1:
 132                         self.load('errcheck')
 133         def execute(self):
 134                 super(OptionsContext,self).execute()
 135                 self.parse_args()