mirror of
https://github.com/cookiengineer/audacity
synced 2025-05-04 17:49:45 +02:00
406 lines
12 KiB
Python
406 lines
12 KiB
Python
#! /usr/bin/env python
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# encoding: utf-8
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# WARNING! Do not edit! http://waf.googlecode.com/git/docs/wafbook/single.html#_obtaining_the_waf_file
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import copy,re,os
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from waflib import Task,Utils,Logs,Errors,ConfigSet,Node
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feats=Utils.defaultdict(set)
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class task_gen(object):
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mappings={}
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prec=Utils.defaultdict(list)
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def __init__(self,*k,**kw):
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self.source=''
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self.target=''
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self.meths=[]
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self.prec=Utils.defaultdict(list)
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self.mappings={}
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self.features=[]
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self.tasks=[]
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if not'bld'in kw:
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self.env=ConfigSet.ConfigSet()
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self.idx=0
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self.path=None
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else:
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self.bld=kw['bld']
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self.env=self.bld.env.derive()
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self.path=self.bld.path
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try:
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self.idx=self.bld.idx[id(self.path)]=self.bld.idx.get(id(self.path),0)+1
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except AttributeError:
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self.bld.idx={}
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self.idx=self.bld.idx[id(self.path)]=1
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for key,val in kw.items():
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setattr(self,key,val)
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def __str__(self):
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return"<task_gen %r declared in %s>"%(self.name,self.path.abspath())
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def __repr__(self):
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lst=[]
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for x in self.__dict__.keys():
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if x not in['env','bld','compiled_tasks','tasks']:
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lst.append("%s=%s"%(x,repr(getattr(self,x))))
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return"bld(%s) in %s"%(", ".join(lst),self.path.abspath())
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def get_name(self):
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try:
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return self._name
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except AttributeError:
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if isinstance(self.target,list):
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lst=[str(x)for x in self.target]
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name=self._name=','.join(lst)
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else:
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name=self._name=str(self.target)
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return name
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def set_name(self,name):
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self._name=name
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name=property(get_name,set_name)
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def to_list(self,val):
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if isinstance(val,str):return val.split()
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else:return val
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def post(self):
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if getattr(self,'posted',None):
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return False
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self.posted=True
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keys=set(self.meths)
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self.features=Utils.to_list(self.features)
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for x in self.features+['*']:
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st=feats[x]
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if not st:
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if not x in Task.classes:
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Logs.warn('feature %r does not exist - bind at least one method to it'%x)
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keys.update(list(st))
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prec={}
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prec_tbl=self.prec or task_gen.prec
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for x in prec_tbl:
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if x in keys:
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prec[x]=prec_tbl[x]
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tmp=[]
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for a in keys:
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for x in prec.values():
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if a in x:break
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else:
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tmp.append(a)
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tmp.sort()
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out=[]
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while tmp:
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e=tmp.pop()
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if e in keys:out.append(e)
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try:
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nlst=prec[e]
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except KeyError:
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pass
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else:
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del prec[e]
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for x in nlst:
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for y in prec:
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if x in prec[y]:
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break
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else:
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tmp.append(x)
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if prec:
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raise Errors.WafError('Cycle detected in the method execution %r'%prec)
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out.reverse()
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self.meths=out
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Logs.debug('task_gen: posting %s %d'%(self,id(self)))
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for x in out:
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try:
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v=getattr(self,x)
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except AttributeError:
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raise Errors.WafError('%r is not a valid task generator method'%x)
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Logs.debug('task_gen: -> %s (%d)'%(x,id(self)))
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v()
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Logs.debug('task_gen: posted %s'%self.name)
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return True
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def get_hook(self,node):
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name=node.name
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for k in self.mappings:
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if name.endswith(k):
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return self.mappings[k]
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for k in task_gen.mappings:
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if name.endswith(k):
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return task_gen.mappings[k]
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raise Errors.WafError("File %r has no mapping in %r (did you forget to load a waf tool?)"%(node,task_gen.mappings.keys()))
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def create_task(self,name,src=None,tgt=None):
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task=Task.classes[name](env=self.env.derive(),generator=self)
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if src:
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task.set_inputs(src)
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if tgt:
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task.set_outputs(tgt)
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self.tasks.append(task)
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return task
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def clone(self,env):
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newobj=self.bld()
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for x in self.__dict__:
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if x in['env','bld']:
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continue
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elif x in['path','features']:
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setattr(newobj,x,getattr(self,x))
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else:
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setattr(newobj,x,copy.copy(getattr(self,x)))
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newobj.posted=False
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if isinstance(env,str):
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newobj.env=self.bld.all_envs[env].derive()
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else:
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newobj.env=env.derive()
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return newobj
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def declare_chain(name='',rule=None,reentrant=None,color='BLUE',ext_in=[],ext_out=[],before=[],after=[],decider=None,scan=None,install_path=None,shell=False):
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ext_in=Utils.to_list(ext_in)
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ext_out=Utils.to_list(ext_out)
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if not name:
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name=rule
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cls=Task.task_factory(name,rule,color=color,ext_in=ext_in,ext_out=ext_out,before=before,after=after,scan=scan,shell=shell)
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def x_file(self,node):
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ext=decider and decider(self,node)or cls.ext_out
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if ext_in:
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_ext_in=ext_in[0]
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tsk=self.create_task(name,node)
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cnt=0
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keys=list(self.mappings.keys())+list(self.__class__.mappings.keys())
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for x in ext:
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k=node.change_ext(x,ext_in=_ext_in)
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tsk.outputs.append(k)
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if reentrant!=None:
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if cnt<int(reentrant):
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self.source.append(k)
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else:
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for y in keys:
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if k.name.endswith(y):
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self.source.append(k)
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break
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cnt+=1
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if install_path:
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self.bld.install_files(install_path,tsk.outputs)
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return tsk
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for x in cls.ext_in:
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task_gen.mappings[x]=x_file
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return x_file
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def taskgen_method(func):
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setattr(task_gen,func.__name__,func)
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return func
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def feature(*k):
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def deco(func):
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setattr(task_gen,func.__name__,func)
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for name in k:
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feats[name].update([func.__name__])
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return func
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return deco
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def before_method(*k):
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def deco(func):
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setattr(task_gen,func.__name__,func)
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for fun_name in k:
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if not func.__name__ in task_gen.prec[fun_name]:
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task_gen.prec[fun_name].append(func.__name__)
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return func
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return deco
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before=before_method
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def after_method(*k):
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def deco(func):
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setattr(task_gen,func.__name__,func)
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for fun_name in k:
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if not fun_name in task_gen.prec[func.__name__]:
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task_gen.prec[func.__name__].append(fun_name)
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return func
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return deco
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after=after_method
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def extension(*k):
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def deco(func):
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setattr(task_gen,func.__name__,func)
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for x in k:
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task_gen.mappings[x]=func
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return func
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return deco
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@taskgen_method
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def to_nodes(self,lst,path=None):
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tmp=[]
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path=path or self.path
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find=path.find_resource
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if isinstance(lst,self.path.__class__):
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lst=[lst]
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for x in Utils.to_list(lst):
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if isinstance(x,str):
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node=find(x)
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else:
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node=x
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if not node:
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raise Errors.WafError("source not found: %r in %r"%(x,self))
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tmp.append(node)
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return tmp
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@feature('*')
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def process_source(self):
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self.source=self.to_nodes(getattr(self,'source',[]))
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for node in self.source:
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self.get_hook(node)(self,node)
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@feature('*')
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@before_method('process_source')
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def process_rule(self):
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if not getattr(self,'rule',None):
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return
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name=str(getattr(self,'name',None)or self.target or getattr(self.rule,'__name__',self.rule))
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try:
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cache=self.bld.cache_rule_attr
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except AttributeError:
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cache=self.bld.cache_rule_attr={}
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cls=None
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if getattr(self,'cache_rule','True'):
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try:
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cls=cache[(name,self.rule)]
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except KeyError:
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pass
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if not cls:
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cls=Task.task_factory(name,self.rule,getattr(self,'vars',[]),shell=getattr(self,'shell',True),color=getattr(self,'color','BLUE'),scan=getattr(self,'scan',None))
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if getattr(self,'scan',None):
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cls.scan=self.scan
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elif getattr(self,'deps',None):
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def scan(self):
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nodes=[]
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for x in self.generator.to_list(getattr(self.generator,'deps',None)):
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node=self.generator.path.find_resource(x)
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if not node:
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self.generator.bld.fatal('Could not find %r (was it declared?)'%x)
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nodes.append(node)
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return[nodes,[]]
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cls.scan=scan
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if getattr(self,'update_outputs',None):
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Task.update_outputs(cls)
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if getattr(self,'always',None):
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Task.always_run(cls)
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for x in['after','before','ext_in','ext_out']:
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setattr(cls,x,getattr(self,x,[]))
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if getattr(self,'cache_rule','True'):
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cache[(name,self.rule)]=cls
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tsk=self.create_task(name)
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if getattr(self,'target',None):
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if isinstance(self.target,str):
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self.target=self.target.split()
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if not isinstance(self.target,list):
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self.target=[self.target]
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for x in self.target:
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if isinstance(x,str):
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tsk.outputs.append(self.path.find_or_declare(x))
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else:
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x.parent.mkdir()
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tsk.outputs.append(x)
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if getattr(self,'install_path',None):
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self.bld.install_files(self.install_path,tsk.outputs)
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if getattr(self,'source',None):
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tsk.inputs=self.to_nodes(self.source)
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self.source=[]
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if getattr(self,'cwd',None):
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tsk.cwd=self.cwd
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@feature('seq')
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def sequence_order(self):
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if self.meths and self.meths[-1]!='sequence_order':
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self.meths.append('sequence_order')
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return
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if getattr(self,'seq_start',None):
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return
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if getattr(self.bld,'prev',None):
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self.bld.prev.post()
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for x in self.bld.prev.tasks:
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for y in self.tasks:
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y.set_run_after(x)
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self.bld.prev=self
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re_m4=re.compile('@(\w+)@',re.M)
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class subst_pc(Task.Task):
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def run(self):
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if getattr(self.generator,'is_copy',None):
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self.outputs[0].write(self.inputs[0].read('rb'),'wb')
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if getattr(self.generator,'chmod',None):
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os.chmod(self.outputs[0].abspath(),self.generator.chmod)
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return None
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if getattr(self.generator,'fun',None):
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return self.generator.fun(self)
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code=self.inputs[0].read(encoding=getattr(self.generator,'encoding','ISO8859-1'))
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if getattr(self.generator,'subst_fun',None):
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code=self.generator.subst_fun(self,code)
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if code is not None:
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self.outputs[0].write(code,encoding=getattr(self.generator,'encoding','ISO8859-1'))
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return
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code=code.replace('%','%%')
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lst=[]
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def repl(match):
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g=match.group
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if g(1):
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lst.append(g(1))
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return"%%(%s)s"%g(1)
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return''
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global re_m4
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code=getattr(self.generator,'re_m4',re_m4).sub(repl,code)
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try:
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d=self.generator.dct
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except AttributeError:
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d={}
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for x in lst:
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tmp=getattr(self.generator,x,'')or self.env.get_flat(x)or self.env.get_flat(x.upper())
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d[x]=str(tmp)
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code=code%d
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self.outputs[0].write(code,encoding=getattr(self.generator,'encoding','ISO8859-1'))
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self.generator.bld.raw_deps[self.uid()]=self.dep_vars=lst
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try:delattr(self,'cache_sig')
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except AttributeError:pass
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if getattr(self.generator,'chmod',None):
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os.chmod(self.outputs[0].abspath(),self.generator.chmod)
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def sig_vars(self):
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bld=self.generator.bld
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env=self.env
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upd=self.m.update
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if getattr(self.generator,'fun',None):
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upd(Utils.h_fun(self.generator.fun))
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if getattr(self.generator,'subst_fun',None):
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upd(Utils.h_fun(self.generator.subst_fun))
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vars=self.generator.bld.raw_deps.get(self.uid(),[])
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act_sig=bld.hash_env_vars(env,vars)
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upd(act_sig)
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lst=[getattr(self.generator,x,'')for x in vars]
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upd(Utils.h_list(lst))
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return self.m.digest()
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@extension('.pc.in')
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def add_pcfile(self,node):
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tsk=self.create_task('subst_pc',node,node.change_ext('.pc','.pc.in'))
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self.bld.install_files(getattr(self,'install_path','${LIBDIR}/pkgconfig/'),tsk.outputs)
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class subst(subst_pc):
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pass
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@feature('subst')
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@before_method('process_source','process_rule')
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def process_subst(self):
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src=Utils.to_list(getattr(self,'source',[]))
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if isinstance(src,Node.Node):
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src=[src]
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tgt=Utils.to_list(getattr(self,'target',[]))
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if isinstance(tgt,Node.Node):
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tgt=[tgt]
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if len(src)!=len(tgt):
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raise Errors.WafError('invalid number of source/target for %r'%self)
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for x,y in zip(src,tgt):
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if not x or not y:
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raise Errors.WafError('null source or target for %r'%self)
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a,b=None,None
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if isinstance(x,str)and isinstance(y,str)and x==y:
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a=self.path.find_node(x)
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b=self.path.get_bld().make_node(y)
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if not os.path.isfile(b.abspath()):
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b.sig=None
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b.parent.mkdir()
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else:
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if isinstance(x,str):
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a=self.path.find_resource(x)
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elif isinstance(x,Node.Node):
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a=x
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if isinstance(y,str):
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b=self.path.find_or_declare(y)
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elif isinstance(y,Node.Node):
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b=y
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if not a:
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raise Errors.WafError('cound not find %r for %r'%(x,self))
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has_constraints=False
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tsk=self.create_task('subst',a,b)
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for k in('after','before','ext_in','ext_out'):
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val=getattr(self,k,None)
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if val:
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has_constraints=True
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setattr(tsk,k,val)
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if not has_constraints and b.name.endswith('.h'):
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tsk.before=[k for k in('c','cxx')if k in Task.classes]
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inst_to=getattr(self,'install_path',None)
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if inst_to:
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self.bld.install_files(inst_to,b,chmod=getattr(self,'chmod',Utils.O644))
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self.source=[]
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