armbian-build/extras-buildpkgs/mpv/waflib/Task.py
2016-07-05 21:52:09 +03:00

689 lines
18 KiB
Python

#! /usr/bin/env python
# encoding: utf-8
# WARNING! Do not edit! https://waf.io/book/index.html#_obtaining_the_waf_file
import os,re,sys,tempfile
from waflib import Utils,Logs,Errors
NOT_RUN=0
MISSING=1
CRASHED=2
EXCEPTION=3
SKIPPED=8
SUCCESS=9
ASK_LATER=-1
SKIP_ME=-2
RUN_ME=-3
COMPILE_TEMPLATE_SHELL='''
def f(tsk):
env = tsk.env
gen = tsk.generator
bld = gen.bld
cwdx = tsk.get_cwd()
p = env.get_flat
tsk.last_cmd = cmd = \'\'\' %s \'\'\' % s
return tsk.exec_command(cmd, cwd=cwdx, env=env.env or None)
'''
COMPILE_TEMPLATE_NOSHELL='''
def f(tsk):
env = tsk.env
gen = tsk.generator
bld = gen.bld
cwdx = tsk.get_cwd()
def to_list(xx):
if isinstance(xx, str): return [xx]
return xx
def merge(lst1, lst2):
if lst1 and lst2:
return lst1[:-1] + [lst1[-1] + lst2[0]] + lst2[1:]
return lst1 + lst2
lst = []
%s
if '' in lst:
lst = [x for x in lst if x]
tsk.last_cmd = lst
return tsk.exec_command(lst, cwd=cwdx, env=env.env or None)
'''
classes={}
class store_task_type(type):
def __init__(cls,name,bases,dict):
super(store_task_type,cls).__init__(name,bases,dict)
name=cls.__name__
if name!='evil'and name!='TaskBase':
global classes
if getattr(cls,'run_str',None):
(f,dvars)=compile_fun(cls.run_str,cls.shell)
cls.hcode=Utils.h_cmd(cls.run_str)
cls.orig_run_str=cls.run_str
cls.run_str=None
cls.run=f
cls.vars=list(set(cls.vars+dvars))
cls.vars.sort()
elif getattr(cls,'run',None)and not'hcode'in cls.__dict__:
cls.hcode=Utils.h_cmd(cls.run)
getattr(cls,'register',classes)[name]=cls
evil=store_task_type('evil',(object,),{})
class TaskBase(evil):
color='GREEN'
ext_in=[]
ext_out=[]
before=[]
after=[]
hcode=''
__slots__=('hasrun','generator')
def __init__(self,*k,**kw):
self.hasrun=NOT_RUN
try:
self.generator=kw['generator']
except KeyError:
self.generator=self
def __repr__(self):
return'\n\t{task %r: %s %s}'%(self.__class__.__name__,id(self),str(getattr(self,'fun','')))
def __str__(self):
if hasattr(self,'fun'):
return self.fun.__name__
return self.__class__.__name__
def keyword(self):
if hasattr(self,'fun'):
return'Function'
return'Processing'
def get_cwd(self):
bld=self.generator.bld
ret=getattr(self,'cwd',None)or getattr(self.generator.bld,'cwd',bld.bldnode)
if isinstance(ret,str):
self.generator.bld.fatal('Working folders given to tasks must be Node objects')
return ret
def quote_flag(self,x):
old=x
if'\\'in x:
x=x.replace('\\','\\\\')
if'"'in x:
x=x.replace('"','\\"')
if old!=x or' 'in x or'\t'in x or"'"in x:
x='"%s"'%x
return x
def split_argfile(self,cmd):
return([cmd[0]],[self.quote_flag(x)for x in cmd[1:]])
def exec_command(self,cmd,**kw):
if not'cwd'in kw:
kw['cwd']=self.get_cwd()
if self.env.PATH:
env=kw['env']=dict(kw.get('env')or self.env.env or os.environ)
env['PATH']=self.env.PATH if isinstance(self.env.PATH,str)else os.pathsep.join(self.env.PATH)
if not isinstance(cmd,str)and(len(repr(cmd))>=8192 if Utils.is_win32 else len(cmd)>200000):
cmd,args=self.split_argfile(cmd)
try:
(fd,tmp)=tempfile.mkstemp()
os.write(fd,'\r\n'.join(args))
os.close(fd)
return self.generator.bld.exec_command(cmd+['@'+tmp],**kw)
finally:
try:
os.remove(tmp)
except OSError:
pass
else:
return self.generator.bld.exec_command(cmd,**kw)
def runnable_status(self):
return RUN_ME
def uid(self):
return Utils.SIG_NIL
def process(self):
m=self.generator.bld.producer
try:
del self.generator.bld.task_sigs[self.uid()]
except KeyError:
pass
try:
ret=self.run()
except Exception:
self.err_msg=Utils.ex_stack()
self.hasrun=EXCEPTION
m.error_handler(self)
return
if ret:
self.err_code=ret
self.hasrun=CRASHED
else:
try:
self.post_run()
except Errors.WafError:
pass
except Exception:
self.err_msg=Utils.ex_stack()
self.hasrun=EXCEPTION
else:
self.hasrun=SUCCESS
if self.hasrun!=SUCCESS:
m.error_handler(self)
def run(self):
if hasattr(self,'fun'):
return self.fun(self)
return 0
def post_run(self):
pass
def log_display(self,bld):
if self.generator.bld.progress_bar==3:
return
s=self.display()
if s:
if bld.logger:
logger=bld.logger
else:
logger=Logs
if self.generator.bld.progress_bar==1:
c1=Logs.colors.cursor_off
c2=Logs.colors.cursor_on
logger.info(s,extra={'stream':sys.stderr,'terminator':'','c1':c1,'c2':c2})
else:
logger.info(s,extra={'terminator':'','c1':'','c2':''})
def display(self):
col1=Logs.colors(self.color)
col2=Logs.colors.NORMAL
master=self.generator.bld.producer
def cur():
tmp=-1
if hasattr(master,'ready'):
tmp-=master.ready.qsize()
return master.processed+tmp
if self.generator.bld.progress_bar==1:
return self.generator.bld.progress_line(cur(),master.total,col1,col2)
if self.generator.bld.progress_bar==2:
ela=str(self.generator.bld.timer)
try:
ins=','.join([n.name for n in self.inputs])
except AttributeError:
ins=''
try:
outs=','.join([n.name for n in self.outputs])
except AttributeError:
outs=''
return'|Total %s|Current %s|Inputs %s|Outputs %s|Time %s|\n'%(master.total,cur(),ins,outs,ela)
s=str(self)
if not s:
return None
total=master.total
n=len(str(total))
fs='[%%%dd/%%%dd] %%s%%s%%s%%s\n'%(n,n)
kw=self.keyword()
if kw:
kw+=' '
return fs%(cur(),total,kw,col1,s,col2)
def hash_constraints(self):
cls=self.__class__
tup=(str(cls.before),str(cls.after),str(cls.ext_in),str(cls.ext_out),cls.__name__,cls.hcode)
return hash(tup)
def format_error(self):
msg=getattr(self,'last_cmd','')
name=getattr(self.generator,'name','')
if getattr(self,"err_msg",None):
return self.err_msg
elif not self.hasrun:
return'task in %r was not executed for some reason: %r'%(name,self)
elif self.hasrun==CRASHED:
try:
return' -> task in %r failed (exit status %r): %r\n%r'%(name,self.err_code,self,msg)
except AttributeError:
return' -> task in %r failed: %r\n%r'%(name,self,msg)
elif self.hasrun==MISSING:
return' -> missing files in %r: %r\n%r'%(name,self,msg)
else:
return'invalid status for task in %r: %r'%(name,self.hasrun)
def colon(self,var1,var2):
tmp=self.env[var1]
if not tmp:
return[]
if isinstance(var2,str):
it=self.env[var2]
else:
it=var2
if isinstance(tmp,str):
return[tmp%x for x in it]
else:
lst=[]
for y in it:
lst.extend(tmp)
lst.append(y)
return lst
class Task(TaskBase):
vars=[]
always_run=False
shell=False
def __init__(self,*k,**kw):
TaskBase.__init__(self,*k,**kw)
self.env=kw['env']
self.inputs=[]
self.outputs=[]
self.dep_nodes=[]
self.run_after=set([])
def __str__(self):
name=self.__class__.__name__
if self.outputs:
if name.endswith(('lib','program'))or not self.inputs:
node=self.outputs[0]
return node.path_from(node.ctx.launch_node())
if not(self.inputs or self.outputs):
return self.__class__.__name__
if len(self.inputs)==1:
node=self.inputs[0]
return node.path_from(node.ctx.launch_node())
src_str=' '.join([a.path_from(a.ctx.launch_node())for a in self.inputs])
tgt_str=' '.join([a.path_from(a.ctx.launch_node())for a in self.outputs])
if self.outputs:sep=' -> '
else:sep=''
return'%s: %s%s%s'%(self.__class__.__name__,src_str,sep,tgt_str)
def keyword(self):
name=self.__class__.__name__
if name.endswith(('lib','program')):
return'Linking'
if len(self.inputs)==1 and len(self.outputs)==1:
return'Compiling'
if not self.inputs:
if self.outputs:
return'Creating'
else:
return'Running'
return'Processing'
def __repr__(self):
try:
ins=",".join([x.name for x in self.inputs])
outs=",".join([x.name for x in self.outputs])
except AttributeError:
ins=",".join([str(x)for x in self.inputs])
outs=",".join([str(x)for x in self.outputs])
return"".join(['\n\t{task %r: '%id(self),self.__class__.__name__," ",ins," -> ",outs,'}'])
def uid(self):
try:
return self.uid_
except AttributeError:
m=Utils.md5(self.__class__.__name__)
up=m.update
for x in self.inputs+self.outputs:
up(x.abspath())
self.uid_=m.digest()
return self.uid_
def set_inputs(self,inp):
if isinstance(inp,list):self.inputs+=inp
else:self.inputs.append(inp)
def set_outputs(self,out):
if isinstance(out,list):self.outputs+=out
else:self.outputs.append(out)
def set_run_after(self,task):
assert isinstance(task,TaskBase)
self.run_after.add(task)
def signature(self):
try:
return self.cache_sig
except AttributeError:
pass
self.m=Utils.md5(self.hcode)
self.sig_explicit_deps()
self.sig_vars()
if self.scan:
try:
self.sig_implicit_deps()
except Errors.TaskRescan:
return self.signature()
ret=self.cache_sig=self.m.digest()
return ret
def runnable_status(self):
for t in self.run_after:
if not t.hasrun:
return ASK_LATER
try:
new_sig=self.signature()
except Errors.TaskNotReady:
return ASK_LATER
bld=self.generator.bld
key=self.uid()
try:
prev_sig=bld.task_sigs[key]
except KeyError:
Logs.debug('task: task %r must run: it was never run before or the task code changed',self)
return RUN_ME
if new_sig!=prev_sig:
Logs.debug('task: task %r must run: the task signature changed',self)
return RUN_ME
for node in self.outputs:
sig=bld.node_sigs.get(node)
if not sig:
Logs.debug('task: task %r must run: an output node has no signature',self)
return RUN_ME
if sig!=key:
Logs.debug('task: task %r must run: an output node was produced by another task',self)
return RUN_ME
if not node.exists():
Logs.debug('task: task %r must run: an output node does not exist',self)
return RUN_ME
return(self.always_run and RUN_ME)or SKIP_ME
def post_run(self):
bld=self.generator.bld
for node in self.outputs:
if not node.exists():
self.hasrun=MISSING
self.err_msg='-> missing file: %r'%node.abspath()
raise Errors.WafError(self.err_msg)
bld.node_sigs[node]=self.uid()
bld.task_sigs[self.uid()]=self.signature()
try:
del self.last_cmd
except AttributeError:
pass
def sig_explicit_deps(self):
bld=self.generator.bld
upd=self.m.update
for x in self.inputs+self.dep_nodes:
upd(x.get_bld_sig())
if bld.deps_man:
additional_deps=bld.deps_man
for x in self.inputs+self.outputs:
try:
d=additional_deps[x]
except KeyError:
continue
for v in d:
if isinstance(v,bld.root.__class__):
v=v.get_bld_sig()
elif hasattr(v,'__call__'):
v=v()
upd(v)
def sig_vars(self):
sig=self.generator.bld.hash_env_vars(self.env,self.__class__.vars)
self.m.update(sig)
scan=None
def sig_implicit_deps(self):
bld=self.generator.bld
key=self.uid()
prev=bld.imp_sigs.get(key,[])
if prev:
try:
if prev==self.compute_sig_implicit_deps():
return prev
except Errors.TaskNotReady:
raise
except EnvironmentError:
for x in bld.node_deps.get(self.uid(),[]):
if not x.is_bld()and not x.exists():
try:
del x.parent.children[x.name]
except KeyError:
pass
del bld.imp_sigs[key]
raise Errors.TaskRescan('rescan')
(bld.node_deps[key],bld.raw_deps[key])=self.scan()
if Logs.verbose:
Logs.debug('deps: scanner for %s: %r; unresolved: %r',self,bld.node_deps[key],bld.raw_deps[key])
try:
bld.imp_sigs[key]=self.compute_sig_implicit_deps()
except EnvironmentError:
for k in bld.node_deps.get(self.uid(),[]):
if not k.exists():
Logs.warn('Dependency %r for %r is missing: check the task declaration and the build order!',k,self)
raise
def compute_sig_implicit_deps(self):
upd=self.m.update
self.are_implicit_nodes_ready()
for k in self.generator.bld.node_deps.get(self.uid(),[]):
upd(k.get_bld_sig())
return self.m.digest()
def are_implicit_nodes_ready(self):
bld=self.generator.bld
try:
cache=bld.dct_implicit_nodes
except AttributeError:
bld.dct_implicit_nodes=cache={}
try:
dct=cache[bld.cur]
except KeyError:
dct=cache[bld.cur]={}
for tsk in bld.cur_tasks:
for x in tsk.outputs:
dct[x]=tsk
modified=False
for x in bld.node_deps.get(self.uid(),[]):
if x in dct:
self.run_after.add(dct[x])
modified=True
if modified:
for tsk in self.run_after:
if not tsk.hasrun:
raise Errors.TaskNotReady('not ready')
if sys.hexversion>0x3000000:
def uid(self):
try:
return self.uid_
except AttributeError:
m=Utils.md5(self.__class__.__name__.encode('iso8859-1','xmlcharrefreplace'))
up=m.update
for x in self.inputs+self.outputs:
up(x.abspath().encode('iso8859-1','xmlcharrefreplace'))
self.uid_=m.digest()
return self.uid_
uid.__doc__=Task.uid.__doc__
Task.uid=uid
def is_before(t1,t2):
to_list=Utils.to_list
for k in to_list(t2.ext_in):
if k in to_list(t1.ext_out):
return 1
if t1.__class__.__name__ in to_list(t2.after):
return 1
if t2.__class__.__name__ in to_list(t1.before):
return 1
return 0
def set_file_constraints(tasks):
ins=Utils.defaultdict(set)
outs=Utils.defaultdict(set)
for x in tasks:
for a in getattr(x,'inputs',[])+getattr(x,'dep_nodes',[]):
ins[id(a)].add(x)
for a in getattr(x,'outputs',[]):
outs[id(a)].add(x)
links=set(ins.keys()).intersection(outs.keys())
for k in links:
for a in ins[k]:
a.run_after.update(outs[k])
def set_precedence_constraints(tasks):
cstr_groups=Utils.defaultdict(list)
for x in tasks:
h=x.hash_constraints()
cstr_groups[h].append(x)
keys=list(cstr_groups.keys())
maxi=len(keys)
for i in range(maxi):
t1=cstr_groups[keys[i]][0]
for j in range(i+1,maxi):
t2=cstr_groups[keys[j]][0]
if is_before(t1,t2):
a=i
b=j
elif is_before(t2,t1):
a=j
b=i
else:
continue
aval=set(cstr_groups[keys[a]])
for x in cstr_groups[keys[b]]:
x.run_after.update(aval)
def funex(c):
dc={}
exec(c,dc)
return dc['f']
re_cond=re.compile('(?P<var>\w+)|(?P<or>\|)|(?P<and>&)')
re_novar=re.compile(r'^(SRC|TGT)\W+.*?$')
reg_act=re.compile(r'(?P<backslash>\\)|(?P<dollar>\$\$)|(?P<subst>\$\{(?P<var>\w+)(?P<code>.*?)\})',re.M)
def compile_fun_shell(line):
extr=[]
def repl(match):
g=match.group
if g('dollar'):
return"$"
elif g('backslash'):
return'\\\\'
elif g('subst'):
extr.append((g('var'),g('code')))
return"%s"
return None
line=reg_act.sub(repl,line)or line
def replc(m):
if m.group('and'):
return' and '
elif m.group('or'):
return' or '
else:
x=m.group('var')
if x not in dvars:
dvars.append(x)
return'env[%r]'%x
parm=[]
dvars=[]
app=parm.append
for(var,meth)in extr:
if var=='SRC':
if meth:app('tsk.inputs%s'%meth)
else:app('" ".join([a.path_from(cwdx) for a in tsk.inputs])')
elif var=='TGT':
if meth:app('tsk.outputs%s'%meth)
else:app('" ".join([a.path_from(cwdx) for a in tsk.outputs])')
elif meth:
if meth.startswith(':'):
if var not in dvars:
dvars.append(var)
m=meth[1:]
if m=='SRC':
m='[a.path_from(cwdx) for a in tsk.inputs]'
elif m=='TGT':
m='[a.path_from(cwdx) for a in tsk.outputs]'
elif re_novar.match(m):
m='[tsk.inputs%s]'%m[3:]
elif re_novar.match(m):
m='[tsk.outputs%s]'%m[3:]
elif m[:3]not in('tsk','gen','bld'):
dvars.append(meth[1:])
m='%r'%m
app('" ".join(tsk.colon(%r, %s))'%(var,m))
elif meth.startswith('?'):
expr=re_cond.sub(replc,meth[1:])
app('p(%r) if (%s) else ""'%(var,expr))
else:
app('%s%s'%(var,meth))
else:
if var not in dvars:
dvars.append(var)
app("p('%s')"%var)
if parm:parm="%% (%s) "%(',\n\t\t'.join(parm))
else:parm=''
c=COMPILE_TEMPLATE_SHELL%(line,parm)
Logs.debug('action: %s',c.strip().splitlines())
return(funex(c),dvars)
reg_act_noshell=re.compile(r"(?P<space>\s+)|(?P<subst>\$\{(?P<var>\w+)(?P<code>.*?)\})|(?P<text>\S+)",re.M)
def compile_fun_noshell(line):
buf=[]
dvars=[]
merge=False
app=buf.append
def replc(m):
if m.group('and'):
return' and '
elif m.group('or'):
return' or '
else:
x=m.group('var')
if x not in dvars:
dvars.append(x)
return'env[%r]'%x
for m in reg_act_noshell.finditer(line):
if m.group('space'):
merge=False
continue
elif m.group('text'):
app('[%r]'%m.group('text'))
elif m.group('subst'):
var=m.group('var')
code=m.group('code')
if var=='SRC':
if code:
app('[tsk.inputs%s]'%code)
else:
app('[a.path_from(cwdx) for a in tsk.inputs]')
elif var=='TGT':
if code:
app('[tsk.outputs%s]'%code)
else:
app('[a.path_from(cwdx) for a in tsk.outputs]')
elif code:
if code.startswith(':'):
if not var in dvars:
dvars.append(var)
m=code[1:]
if m=='SRC':
m='[a.path_from(cwdx) for a in tsk.inputs]'
elif m=='TGT':
m='[a.path_from(cwdx) for a in tsk.outputs]'
elif re_novar.match(m):
m='[tsk.inputs%s]'%m[3:]
elif re_novar.match(m):
m='[tsk.outputs%s]'%m[3:]
elif m[:3]not in('tsk','gen','bld'):
dvars.append(m)
m='%r'%m
app('tsk.colon(%r, %s)'%(var,m))
elif code.startswith('?'):
expr=re_cond.sub(replc,code[1:])
app('to_list(env[%r] if (%s) else [])'%(var,expr))
else:
app('gen.to_list(%s%s)'%(var,code))
else:
app('to_list(env[%r])'%var)
if not var in dvars:
dvars.append(var)
if merge:
tmp='merge(%s, %s)'%(buf[-2],buf[-1])
del buf[-1]
buf[-1]=tmp
merge=True
buf=['lst.extend(%s)'%x for x in buf]
fun=COMPILE_TEMPLATE_NOSHELL%"\n\t".join(buf)
Logs.debug('action: %s',fun.strip().splitlines())
return(funex(fun),dvars)
def compile_fun(line,shell=False):
if isinstance(line,str):
if line.find('<')>0 or line.find('>')>0 or line.find('&&')>0:
shell=True
else:
dvars_lst=[]
funs_lst=[]
for x in line:
if isinstance(x,str):
fun,dvars=compile_fun(x,shell)
dvars_lst+=dvars
funs_lst.append(fun)
else:
funs_lst.append(x)
def composed_fun(task):
for x in funs_lst:
ret=x(task)
if ret:
return ret
return None
return composed_fun,dvars
if shell:
return compile_fun_shell(line)
else:
return compile_fun_noshell(line)
def task_factory(name,func=None,vars=None,color='GREEN',ext_in=[],ext_out=[],before=[],after=[],shell=False,scan=None):
params={'vars':vars or[],'color':color,'name':name,'ext_in':Utils.to_list(ext_in),'ext_out':Utils.to_list(ext_out),'before':Utils.to_list(before),'after':Utils.to_list(after),'shell':shell,'scan':scan,}
if isinstance(func,str)or isinstance(func,tuple):
params['run_str']=func
else:
params['run']=func
cls=type(Task)(name,(Task,),params)
global classes
classes[name]=cls
return cls
def always_run(cls):
Logs.warn('This decorator is deprecated, set always_run on the task class instead!')
cls.always_run=True
return cls
def update_outputs(cls):
return cls