ref: 5a2a6c66beda0cf64fb687834118e78ed268c1b6
dir: /waflib/Node.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,re,sys,shutil
from waflib import Utils,Errors
exclude_regs='''
**/*~
**/#*#
**/.#*
**/%*%
**/._*
**/CVS
**/CVS/**
**/.cvsignore
**/SCCS
**/SCCS/**
**/vssver.scc
**/.svn
**/.svn/**
**/BitKeeper
**/.git
**/.git/**
**/.gitignore
**/.bzr
**/.bzrignore
**/.bzr/**
**/.hg
**/.hg/**
**/_MTN
**/_MTN/**
**/.arch-ids
**/{arch}
**/_darcs
**/_darcs/**
**/.intlcache
**/.DS_Store'''
def split_path(path):
return path.split('/')
def split_path_cygwin(path):
if path.startswith('//'):
ret=path.split('/')[2:]
ret[0]='/'+ret[0]
return ret
return path.split('/')
re_sp=re.compile('[/\\\\]')
def split_path_win32(path):
if path.startswith('\\\\'):
ret=re.split(re_sp,path)[2:]
ret[0]='\\'+ret[0]
return ret
return re.split(re_sp,path)
if sys.platform=='cygwin':
split_path=split_path_cygwin
elif Utils.is_win32:
split_path=split_path_win32
class Node(object):
__slots__=('name','sig','children','parent','cache_abspath','cache_isdir','cache_sig')
def __init__(self,name,parent):
self.name=name
self.parent=parent
if parent:
if name in parent.children:
raise Errors.WafError('node %s exists in the parent files %r already'%(name,parent))
parent.children[name]=self
def __setstate__(self,data):
self.name=data[0]
self.parent=data[1]
if data[2]is not None:
self.children=data[2]
if data[3]is not None:
self.sig=data[3]
def __getstate__(self):
return(self.name,self.parent,getattr(self,'children',None),getattr(self,'sig',None))
def __str__(self):
return self.name
def __repr__(self):
return self.abspath()
def __hash__(self):
return id(self)
def __eq__(self,node):
return id(self)==id(node)
def __copy__(self):
raise Errors.WafError('nodes are not supposed to be copied')
def read(self,flags='r',encoding='ISO8859-1'):
return Utils.readf(self.abspath(),flags,encoding)
def write(self,data,flags='w',encoding='ISO8859-1'):
Utils.writef(self.abspath(),data,flags,encoding)
def chmod(self,val):
os.chmod(self.abspath(),val)
def delete(self):
try:
if hasattr(self,'children'):
shutil.rmtree(self.abspath())
else:
os.remove(self.abspath())
except OSError:
pass
self.evict()
def evict(self):
del self.parent.children[self.name]
def suffix(self):
k=max(0,self.name.rfind('.'))
return self.name[k:]
def height(self):
d=self
val=-1
while d:
d=d.parent
val+=1
return val
def listdir(self):
lst=Utils.listdir(self.abspath())
lst.sort()
return lst
def mkdir(self):
if getattr(self,'cache_isdir',None):
return
try:
self.parent.mkdir()
except OSError:
pass
if self.name:
try:
os.makedirs(self.abspath())
except OSError:
pass
if not os.path.isdir(self.abspath()):
raise Errors.WafError('Could not create the directory %s'%self.abspath())
try:
self.children
except AttributeError:
self.children={}
self.cache_isdir=True
def find_node(self,lst):
if isinstance(lst,str):
lst=[x for x in split_path(lst)if x and x!='.']
cur=self
for x in lst:
if x=='..':
cur=cur.parent or cur
continue
try:
ch=cur.children
except AttributeError:
cur.children={}
else:
try:
cur=cur.children[x]
continue
except KeyError:
pass
cur=self.__class__(x,cur)
try:
os.stat(cur.abspath())
except OSError:
cur.evict()
return None
ret=cur
try:
os.stat(ret.abspath())
except OSError:
ret.evict()
return None
try:
while not getattr(cur.parent,'cache_isdir',None):
cur=cur.parent
cur.cache_isdir=True
except AttributeError:
pass
return ret
def make_node(self,lst):
if isinstance(lst,str):
lst=[x for x in split_path(lst)if x and x!='.']
cur=self
for x in lst:
if x=='..':
cur=cur.parent or cur
continue
if getattr(cur,'children',{}):
if x in cur.children:
cur=cur.children[x]
continue
else:
cur.children={}
cur=self.__class__(x,cur)
return cur
def search_node(self,lst):
if isinstance(lst,str):
lst=[x for x in split_path(lst)if x and x!='.']
cur=self
for x in lst:
if x=='..':
cur=cur.parent or cur
else:
try:
cur=cur.children[x]
except(AttributeError,KeyError):
return None
return cur
def path_from(self,node):
c1=self
c2=node
c1h=c1.height()
c2h=c2.height()
lst=[]
up=0
while c1h>c2h:
lst.append(c1.name)
c1=c1.parent
c1h-=1
while c2h>c1h:
up+=1
c2=c2.parent
c2h-=1
while id(c1)!=id(c2):
lst.append(c1.name)
up+=1
c1=c1.parent
c2=c2.parent
for i in range(up):
lst.append('..')
lst.reverse()
return os.sep.join(lst)or'.'
def abspath(self):
try:
return self.cache_abspath
except AttributeError:
pass
if os.sep=='/':
if not self.parent:
val=os.sep
elif not self.parent.name:
val=os.sep+self.name
else:
val=self.parent.abspath()+os.sep+self.name
else:
if not self.parent:
val=''
elif not self.parent.name:
val=self.name+os.sep
else:
val=self.parent.abspath().rstrip(os.sep)+os.sep+self.name
self.cache_abspath=val
return val
def is_child_of(self,node):
p=self
diff=self.height()-node.height()
while diff>0:
diff-=1
p=p.parent
return id(p)==id(node)
def ant_iter(self,accept=None,maxdepth=25,pats=[],dir=False,src=True,remove=True):
dircont=self.listdir()
dircont.sort()
try:
lst=set(self.children.keys())
except AttributeError:
self.children={}
else:
if remove:
for x in lst-set(dircont):
self.children[x].evict()
for name in dircont:
npats=accept(name,pats)
if npats and npats[0]:
accepted=[]in npats[0]
node=self.make_node([name])
isdir=os.path.isdir(node.abspath())
if accepted:
if isdir:
if dir:
yield node
else:
if src:
yield node
if getattr(node,'cache_isdir',None)or isdir:
node.cache_isdir=True
if maxdepth:
for k in node.ant_iter(accept=accept,maxdepth=maxdepth-1,pats=npats,dir=dir,src=src,remove=remove):
yield k
raise StopIteration
def ant_glob(self,*k,**kw):
src=kw.get('src',True)
dir=kw.get('dir',False)
excl=kw.get('excl',exclude_regs)
incl=k and k[0]or kw.get('incl','**')
reflags=kw.get('ignorecase',0)and re.I
def to_pat(s):
lst=Utils.to_list(s)
ret=[]
for x in lst:
x=x.replace('\\','/').replace('//','/')
if x.endswith('/'):
x+='**'
lst2=x.split('/')
accu=[]
for k in lst2:
if k=='**':
accu.append(k)
else:
k=k.replace('.','[.]').replace('*','.*').replace('?','.').replace('+','\\+')
k='^%s$'%k
try:
accu.append(re.compile(k,flags=reflags))
except Exception ,e:
raise Errors.WafError("Invalid pattern: %s"%k,e)
ret.append(accu)
return ret
def filtre(name,nn):
ret=[]
for lst in nn:
if not lst:
pass
elif lst[0]=='**':
ret.append(lst)
if len(lst)>1:
if lst[1].match(name):
ret.append(lst[2:])
else:
ret.append([])
elif lst[0].match(name):
ret.append(lst[1:])
return ret
def accept(name,pats):
nacc=filtre(name,pats[0])
nrej=filtre(name,pats[1])
if[]in nrej:
nacc=[]
return[nacc,nrej]
ret=[x for x in self.ant_iter(accept=accept,pats=[to_pat(incl),to_pat(excl)],maxdepth=kw.get('maxdepth',25),dir=dir,src=src,remove=kw.get('remove',True))]
if kw.get('flat',False):
return' '.join([x.path_from(self)for x in ret])
return ret
def is_src(self):
cur=self
x=id(self.ctx.srcnode)
y=id(self.ctx.bldnode)
while cur.parent:
if id(cur)==y:
return False
if id(cur)==x:
return True
cur=cur.parent
return False
def is_bld(self):
cur=self
y=id(self.ctx.bldnode)
while cur.parent:
if id(cur)==y:
return True
cur=cur.parent
return False
def get_src(self):
cur=self
x=id(self.ctx.srcnode)
y=id(self.ctx.bldnode)
lst=[]
while cur.parent:
if id(cur)==y:
lst.reverse()
return self.ctx.srcnode.make_node(lst)
if id(cur)==x:
return self
lst.append(cur.name)
cur=cur.parent
return self
def get_bld(self):
cur=self
x=id(self.ctx.srcnode)
y=id(self.ctx.bldnode)
lst=[]
while cur.parent:
if id(cur)==y:
return self
if id(cur)==x:
lst.reverse()
return self.ctx.bldnode.make_node(lst)
lst.append(cur.name)
cur=cur.parent
lst.reverse()
if lst and Utils.is_win32 and len(lst[0])==2 and lst[0].endswith(':'):
lst[0]=lst[0][0]
return self.ctx.bldnode.make_node(['__root__']+lst)
def find_resource(self,lst):
if isinstance(lst,str):
lst=[x for x in split_path(lst)if x and x!='.']
node=self.get_bld().search_node(lst)
if not node:
self=self.get_src()
node=self.find_node(lst)
if node:
if os.path.isdir(node.abspath()):
return None
return node
def find_or_declare(self,lst):
if isinstance(lst,str):
lst=[x for x in split_path(lst)if x and x!='.']
node=self.get_bld().search_node(lst)
if node:
if not os.path.isfile(node.abspath()):
node.sig=None
node.parent.mkdir()
return node
self=self.get_src()
node=self.find_node(lst)
if node:
if not os.path.isfile(node.abspath()):
node.sig=None
node.parent.mkdir()
return node
node=self.get_bld().make_node(lst)
node.parent.mkdir()
return node
def find_dir(self,lst):
if isinstance(lst,str):
lst=[x for x in split_path(lst)if x and x!='.']
node=self.find_node(lst)
try:
if not os.path.isdir(node.abspath()):
return None
except(OSError,AttributeError):
return None
return node
def change_ext(self,ext,ext_in=None):
name=self.name
if ext_in is None:
k=name.rfind('.')
if k>=0:
name=name[:k]+ext
else:
name=name+ext
else:
name=name[:-len(ext_in)]+ext
return self.parent.find_or_declare([name])
def nice_path(self,env=None):
return self.path_from(self.ctx.launch_node())
def bldpath(self):
return self.path_from(self.ctx.bldnode)
def srcpath(self):
return self.path_from(self.ctx.srcnode)
def relpath(self):
cur=self
x=id(self.ctx.bldnode)
while cur.parent:
if id(cur)==x:
return self.bldpath()
cur=cur.parent
return self.srcpath()
def bld_dir(self):
return self.parent.bldpath()
def bld_base(self):
s=os.path.splitext(self.name)[0]
return self.bld_dir()+os.sep+s
def get_bld_sig(self):
try:
return self.cache_sig
except AttributeError:
pass
if not self.is_bld()or self.ctx.bldnode is self.ctx.srcnode:
self.sig=Utils.h_file(self.abspath())
self.cache_sig=ret=self.sig
return ret
search=search_node
pickle_lock=Utils.threading.Lock()
class Nod3(Node):
pass