ref: dc467b5d5a7c321235d4defb3ce8541e70460fc9
dir: /waflib/Configure.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,shlex,sys,time
from waflib import ConfigSet,Utils,Options,Logs,Context,Build,Errors
try:
from urllib import request
except ImportError:
from urllib import urlopen
else:
urlopen=request.urlopen
BREAK='break'
CONTINUE='continue'
WAF_CONFIG_LOG='config.log'
autoconfig=False
conf_template='''# project %(app)s configured on %(now)s by
# waf %(wafver)s (abi %(abi)s, python %(pyver)x on %(systype)s)
# using %(args)s
#'''
def download_check(node):
pass
def download_tool(tool,force=False,ctx=None):
for x in Utils.to_list(Context.remote_repo):
for sub in Utils.to_list(Context.remote_locs):
url='/'.join((x,sub,tool+'.py'))
try:
web=urlopen(url)
try:
if web.getcode()!=200:
continue
except AttributeError:
pass
except Exception:
continue
else:
tmp=ctx.root.make_node(os.sep.join((Context.waf_dir,'waflib','extras',tool+'.py')))
tmp.write(web.read(),'wb')
Logs.warn('Downloaded %s from %s'%(tool,url))
download_check(tmp)
try:
module=Context.load_tool(tool)
except Exception:
Logs.warn('The tool %s from %s is unusable'%(tool,url))
try:
tmp.delete()
except Exception:
pass
continue
return module
raise Errors.WafError('Could not load the Waf tool')
class ConfigurationContext(Context.Context):
'''configures the project'''
cmd='configure'
error_handlers=[]
def __init__(self,**kw):
super(ConfigurationContext,self).__init__(**kw)
self.environ=dict(os.environ)
self.all_envs={}
self.top_dir=None
self.out_dir=None
self.tools=[]
self.hash=0
self.files=[]
self.tool_cache=[]
self.setenv('')
def setenv(self,name,env=None):
if name not in self.all_envs or env:
if not env:
env=ConfigSet.ConfigSet()
self.prepare_env(env)
else:
env=env.derive()
self.all_envs[name]=env
self.variant=name
def get_env(self):
return self.all_envs[self.variant]
def set_env(self,val):
self.all_envs[self.variant]=val
env=property(get_env,set_env)
def init_dirs(self):
top=self.top_dir
if not top:
top=Options.options.top
if not top:
top=getattr(Context.g_module,Context.TOP,None)
if not top:
top=self.path.abspath()
top=os.path.abspath(top)
self.srcnode=(os.path.isabs(top)and self.root or self.path).find_dir(top)
assert(self.srcnode)
out=self.out_dir
if not out:
out=Options.options.out
if not out:
out=getattr(Context.g_module,Context.OUT,None)
if not out:
out=Options.lockfile.replace('.lock-waf_%s_'%sys.platform,'').replace('.lock-waf','')
self.bldnode=(os.path.isabs(out)and self.root or self.path).make_node(out)
self.bldnode.mkdir()
if not os.path.isdir(self.bldnode.abspath()):
conf.fatal('Could not create the build directory %s'%self.bldnode.abspath())
def execute(self):
self.init_dirs()
self.cachedir=self.bldnode.make_node(Build.CACHE_DIR)
self.cachedir.mkdir()
path=os.path.join(self.bldnode.abspath(),WAF_CONFIG_LOG)
self.logger=Logs.make_logger(path,'cfg')
app=getattr(Context.g_module,'APPNAME','')
if app:
ver=getattr(Context.g_module,'VERSION','')
if ver:
app="%s (%s)"%(app,ver)
now=time.ctime()
pyver=sys.hexversion
systype=sys.platform
args=" ".join(sys.argv)
wafver=Context.WAFVERSION
abi=Context.ABI
self.to_log(conf_template%vars())
self.msg('Setting top to',self.srcnode.abspath())
self.msg('Setting out to',self.bldnode.abspath())
if id(self.srcnode)==id(self.bldnode):
Logs.warn('Setting top == out (remember to use "update_outputs")')
elif id(self.path)!=id(self.srcnode):
if self.srcnode.is_child_of(self.path):
Logs.warn('Are you certain that you do not want to set top="." ?')
super(ConfigurationContext,self).execute()
self.store()
Context.top_dir=self.srcnode.abspath()
Context.out_dir=self.bldnode.abspath()
env=ConfigSet.ConfigSet()
env['argv']=sys.argv
env['options']=Options.options.__dict__
env.run_dir=Context.run_dir
env.top_dir=Context.top_dir
env.out_dir=Context.out_dir
env['hash']=self.hash
env['files']=self.files
env['environ']=dict(self.environ)
if not self.env.NO_LOCK_IN_RUN:
env.store(Context.run_dir+os.sep+Options.lockfile)
if not self.env.NO_LOCK_IN_TOP:
env.store(Context.top_dir+os.sep+Options.lockfile)
if not self.env.NO_LOCK_IN_OUT:
env.store(Context.out_dir+os.sep+Options.lockfile)
def prepare_env(self,env):
if not env.PREFIX:
if Options.options.prefix or Utils.is_win32:
env.PREFIX=os.path.abspath(os.path.expanduser(Options.options.prefix))
else:
env.PREFIX=''
if not env.BINDIR:
env.BINDIR=Utils.subst_vars('${PREFIX}/bin',env)
if not env.LIBDIR:
env.LIBDIR=Utils.subst_vars('${PREFIX}/lib',env)
def store(self):
n=self.cachedir.make_node('build.config.py')
n.write('version = 0x%x\ntools = %r\n'%(Context.HEXVERSION,self.tools))
if not self.all_envs:
self.fatal('nothing to store in the configuration context!')
for key in self.all_envs:
tmpenv=self.all_envs[key]
tmpenv.store(os.path.join(self.cachedir.abspath(),key+Build.CACHE_SUFFIX))
def load(self,input,tooldir=None,funs=None,download=True):
tools=Utils.to_list(input)
if tooldir:tooldir=Utils.to_list(tooldir)
for tool in tools:
mag=(tool,id(self.env),funs)
if mag in self.tool_cache:
self.to_log('(tool %s is already loaded, skipping)'%tool)
continue
self.tool_cache.append(mag)
module=None
try:
module=Context.load_tool(tool,tooldir)
except ImportError ,e:
if Options.options.download:
module=download_tool(tool,ctx=self)
if not module:
self.fatal('Could not load the Waf tool %r or download a suitable replacement from the repository (sys.path %r)\n%s'%(tool,sys.path,e))
else:
self.fatal('Could not load the Waf tool %r from %r (try the --download option?):\n%s'%(tool,sys.path,e))
except Exception ,e:
self.to_log('imp %r (%r & %r)'%(tool,tooldir,funs))
self.to_log(Utils.ex_stack())
raise
if funs is not None:
self.eval_rules(funs)
else:
func=getattr(module,'configure',None)
if func:
if type(func)is type(Utils.readf):func(self)
else:self.eval_rules(func)
self.tools.append({'tool':tool,'tooldir':tooldir,'funs':funs})
def post_recurse(self,node):
super(ConfigurationContext,self).post_recurse(node)
self.hash=hash((self.hash,node.read('rb')))
self.files.append(node.abspath())
def eval_rules(self,rules):
self.rules=Utils.to_list(rules)
for x in self.rules:
f=getattr(self,x)
if not f:self.fatal("No such method '%s'."%x)
try:
f()
except Exception ,e:
ret=self.err_handler(x,e)
if ret==BREAK:
break
elif ret==CONTINUE:
continue
else:
raise
def err_handler(self,fun,error):
pass
def conf(f):
def fun(*k,**kw):
mandatory=True
if'mandatory'in kw:
mandatory=kw['mandatory']
del kw['mandatory']
try:
return f(*k,**kw)
except Errors.ConfigurationError:
if mandatory:
raise
setattr(ConfigurationContext,f.__name__,fun)
setattr(Build.BuildContext,f.__name__,fun)
return f
@conf
def add_os_flags(self,var,dest=None):
try:self.env.append_value(dest or var,shlex.split(self.environ[var]))
except KeyError:pass
@conf
def cmd_to_list(self,cmd):
if isinstance(cmd,str)and cmd.find(' '):
try:
os.stat(cmd)
except OSError:
return shlex.split(cmd)
else:
return[cmd]
return cmd
@conf
def check_waf_version(self,mini='1.6.99',maxi='1.8.0'):
self.start_msg('Checking for waf version in %s-%s'%(str(mini),str(maxi)))
ver=Context.HEXVERSION
if Utils.num2ver(mini)>ver:
self.fatal('waf version should be at least %r (%r found)'%(Utils.num2ver(mini),ver))
if Utils.num2ver(maxi)<ver:
self.fatal('waf version should be at most %r (%r found)'%(Utils.num2ver(maxi),ver))
self.end_msg('ok')
@conf
def find_file(self,filename,path_list=[]):
for n in Utils.to_list(filename):
for d in Utils.to_list(path_list):
p=os.path.join(d,n)
if os.path.exists(p):
return p
self.fatal('Could not find %r'%filename)
@conf
def find_program(self,filename,**kw):
exts=kw.get('exts',Utils.is_win32 and'.exe,.com,.bat,.cmd'or',.sh,.pl,.py')
environ=kw.get('environ',os.environ)
ret=''
filename=Utils.to_list(filename)
var=kw.get('var','')
if not var:
var=filename[0].upper()
if self.env[var]:
ret=self.env[var]
elif var in environ:
ret=environ[var]
path_list=kw.get('path_list','')
if not ret:
if path_list:
path_list=Utils.to_list(path_list)
else:
path_list=environ.get('PATH','').split(os.pathsep)
if not isinstance(filename,list):
filename=[filename]
for a in exts.split(','):
if ret:
break
for b in filename:
if ret:
break
for c in path_list:
if ret:
break
x=os.path.expanduser(os.path.join(c,b+a))
if os.path.isfile(x):
ret=x
if not ret and Utils.winreg:
ret=Utils.get_registry_app_path(Utils.winreg.HKEY_CURRENT_USER,filename)
if not ret and Utils.winreg:
ret=Utils.get_registry_app_path(Utils.winreg.HKEY_LOCAL_MACHINE,filename)
self.msg('Checking for program '+','.join(filename),ret or False)
self.to_log('find program=%r paths=%r var=%r -> %r'%(filename,path_list,var,ret))
if not ret:
self.fatal(kw.get('errmsg','')or'Could not find the program %s'%','.join(filename))
if var:
self.env[var]=ret
return ret
@conf
def find_perl_program(self,filename,path_list=[],var=None,environ=None,exts=''):
try:
app=self.find_program(filename,path_list=path_list,var=var,environ=environ,exts=exts)
except Exception:
self.find_program('perl',var='PERL')
app=self.find_file(filename,os.environ['PATH'].split(os.pathsep))
if not app:
raise
if var:
self.env[var]=Utils.to_list(self.env['PERL'])+[app]
self.msg('Checking for %r'%filename,app)