waflib/Options.py

#! /usr/bin/env python
# encoding: utf-8
# WARNING! Do not edit! http://waf.googlecode.com/git/docs/wafbook/single.html#_obtaining_the_waf_file

import os,tempfile,optparse,sys,re
from waflib import Logs,Utils,Context
cmds='distclean configure build install clean uninstall check dist distcheck'.split()
options={}
commands=[]
lockfile=os.environ.get('WAFLOCK','.lock-waf_%s_build'%sys.platform)
try:cache_global=os.path.abspath(os.environ['WAFCACHE'])
except KeyError:cache_global=''
platform=Utils.unversioned_sys_platform()
class opt_parser(optparse.OptionParser):
	def __init__(self,ctx):
		optparse.OptionParser.__init__(self,conflict_handler="resolve",version='waf %s (%s)'%(Context.WAFVERSION,Context.WAFREVISION))
		self.formatter.width=Logs.get_term_cols()
		p=self.add_option
		self.ctx=ctx
		jobs=ctx.jobs()
		p('-j','--jobs',dest='jobs',default=jobs,type='int',help='amount of parallel jobs (%r)'%jobs)
		p('-k','--keep',dest='keep',default=0,action='count',help='keep running happily even if errors are found')
		p('-v','--verbose',dest='verbose',default=0,action='count',help='verbosity level -v -vv or -vvv [default: 0]')
		p('--nocache',dest='nocache',default=False,action='store_true',help='ignore the WAFCACHE (if set)')
		p('--zones',dest='zones',default='',action='store',help='debugging zones (task_gen, deps, tasks, etc)')
		gr=optparse.OptionGroup(self,'configure options')
		self.add_option_group(gr)
		gr.add_option('-o','--out',action='store',default='',help='build dir for the project',dest='out')
		gr.add_option('-t','--top',action='store',default='',help='src dir for the project',dest='top')
		default_prefix=os.environ.get('PREFIX')
		if not default_prefix:
			if platform=='win32':
				d=tempfile.gettempdir()
				default_prefix=d[0].upper()+d[1:]
			else:
				default_prefix='/usr/local/'
		gr.add_option('--prefix',dest='prefix',default=default_prefix,help='installation prefix [default: %r]'%default_prefix)
		gr.add_option('--download',dest='download',default=False,action='store_true',help='try to download the tools if missing')
		gr=optparse.OptionGroup(self,'build and install options')
		self.add_option_group(gr)
		gr.add_option('-p','--progress',dest='progress_bar',default=0,action='count',help='-p: progress bar; -pp: ide output')
		gr.add_option('--targets',dest='targets',default='',action='store',help='task generators, e.g. "target1,target2"')
		gr=optparse.OptionGroup(self,'step options')
		self.add_option_group(gr)
		gr.add_option('--files',dest='files',default='',action='store',help='files to process, by regexp, e.g. "*/main.c,*/test/main.o"')
		default_destdir=os.environ.get('DESTDIR','')
		gr=optparse.OptionGroup(self,'install/uninstall options')
		self.add_option_group(gr)
		gr.add_option('--destdir',help='installation root [default: %r]'%default_destdir,default=default_destdir,dest='destdir')
		gr.add_option('-f','--force',dest='force',default=False,action='store_true',help='force file installation')
	def get_usage(self):
		cmds_str={}
		for cls in Context.classes:
			if not cls.cmd or cls.cmd=='options':
				continue
			s=cls.__doc__ or''
			cmds_str[cls.cmd]=s
		if Context.g_module:
			for(k,v)in Context.g_module.__dict__.items():
				if k in['options','init','shutdown']:
					continue
				if type(v)is type(Context.create_context):
					if v.__doc__ and not k.startswith('_'):
						cmds_str[k]=v.__doc__
		just=0
		for k in cmds_str:
			just=max(just,len(k))
		lst=['  %s: %s'%(k.ljust(just),v)for(k,v)in cmds_str.items()]
		lst.sort()
		ret='\n'.join(lst)
		return'''waf [commands] [options]

Main commands (example: ./waf build -j4)
%s
'''%ret
class OptionsContext(Context.Context):
	cmd='options'
	fun='options'
	def __init__(self,**kw):
		super(OptionsContext,self).__init__(**kw)
		self.parser=opt_parser(self)
		self.option_groups={}
	def jobs(self):
		count=int(os.environ.get('JOBS',0))
		if count<1:
			if'NUMBER_OF_PROCESSORS'in os.environ:
				count=int(os.environ.get('NUMBER_OF_PROCESSORS',1))
			else:
				if hasattr(os,'sysconf_names'):
					if'SC_NPROCESSORS_ONLN'in os.sysconf_names:
						count=int(os.sysconf('SC_NPROCESSORS_ONLN'))
					elif'SC_NPROCESSORS_CONF'in os.sysconf_names:
						count=int(os.sysconf('SC_NPROCESSORS_CONF'))
				if not count and os.name not in('nt','java'):
					try:
						tmp=self.cmd_and_log(['sysctl','-n','hw.ncpu'],quiet=0)
					except Exception:
						pass
					else:
						if re.match('^[0-9]+$',tmp):
							count=int(tmp)
		if count<1:
			count=1
		elif count>1024:
			count=1024
		return count
	def add_option(self,*k,**kw):
		self.parser.add_option(*k,**kw)
	def add_option_group(self,*k,**kw):
		try:
			gr=self.option_groups[k[0]]
		except:
			gr=self.parser.add_option_group(*k,**kw)
		self.option_groups[k[0]]=gr
		return gr
	def get_option_group(self,opt_str):
		try:
			return self.option_groups[opt_str]
		except KeyError:
			for group in self.parser.option_groups:
				if group.title==opt_str:
					return group
			return None
	def parse_args(self,_args=None):
		global options,commands
		(options,leftover_args)=self.parser.parse_args(args=_args)
		commands=leftover_args
		if options.destdir:
			options.destdir=os.path.abspath(os.path.expanduser(options.destdir))
		if options.verbose>=1:
			self.load('errcheck')
	def execute(self):
		super(OptionsContext,self).execute()
		self.parse_args()