1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747
|
#! /usr/bin/env python
# encoding: utf-8
import sys
if sys.hexversion < 0x020400f0: from sets import Set as set
import os,shutil,sys,re,random,datetime,tempfile
from Utils import md5
import Build,Runner,Utils,Node,Logs,Options
from Logs import debug,warn,error
from Constants import*
algotype=NORMAL
COMPILE_TEMPLATE_SHELL='''
def f(task):
env = task.env
wd = getattr(task, 'cwd', None)
p = env.get_flat
cmd = \'\'\' %s \'\'\' % s
return task.exec_command(cmd, cwd=wd)
'''
COMPILE_TEMPLATE_NOSHELL='''
def f(task):
env = task.env
wd = getattr(task, 'cwd', None)
def to_list(xx):
if isinstance(xx, str): return [xx]
return xx
lst = []
%s
lst = [x for x in lst if x]
return task.exec_command(lst, cwd=wd)
'''
file_deps=Utils.nada
class TaskManager(object):
def __init__(self):
self.groups=[]
self.tasks_done=[]
self.current_group=0
self.groups_names={}
def get_next_set(self):
ret=None
while not ret and self.current_group<len(self.groups):
ret=self.groups[self.current_group].get_next_set()
if ret:return ret
else:
self.groups[self.current_group].process_install()
self.current_group+=1
return(None,None)
def add_group(self,name=None,set=True):
g=TaskGroup()
if name and name in self.groups_names:
error('add_group: name %s already present'%name)
self.groups_names[name]=g
self.groups.append(g)
if set:
self.current_group=len(self.groups)-1
def set_group(self,idx):
if isinstance(idx,str):
g=self.groups_names[idx]
for x in xrange(len(self.groups)):
if id(g)==id(self.groups[x]):
self.current_group=x
else:
self.current_group=idx
def add_task_gen(self,tgen):
if not self.groups:self.add_group()
self.groups[self.current_group].tasks_gen.append(tgen)
def add_task(self,task):
if not self.groups:self.add_group()
self.groups[self.current_group].tasks.append(task)
def total(self):
total=0
if not self.groups:return 0
for group in self.groups:
total+=len(group.tasks)
return total
def add_finished(self,tsk):
self.tasks_done.append(tsk)
bld=tsk.generator.bld
if bld.is_install:
f=None
if'install'in tsk.__dict__:
f=tsk.__dict__['install']
if f:f(tsk)
else:
tsk.install()
class TaskGroup(object):
def __init__(self):
self.tasks=[]
self.tasks_gen=[]
self.cstr_groups=Utils.DefaultDict(list)
self.cstr_order=Utils.DefaultDict(set)
self.temp_tasks=[]
self.ready=0
self.post_funs=[]
def reset(self):
for x in self.cstr_groups:
self.tasks+=self.cstr_groups[x]
self.tasks=self.temp_tasks+self.tasks
self.temp_tasks=[]
self.cstr_groups=Utils.DefaultDict(list)
self.cstr_order=Utils.DefaultDict(set)
self.ready=0
def process_install(self):
for(f,k,kw)in self.post_funs:
f(*k,**kw)
def prepare(self):
self.ready=1
file_deps(self.tasks)
self.make_cstr_groups()
self.extract_constraints()
def get_next_set(self):
global algotype
if algotype==NORMAL:
tasks=self.tasks_in_parallel()
maxj=MAXJOBS
elif algotype==JOBCONTROL:
(maxj,tasks)=self.tasks_by_max_jobs()
elif algotype==MAXPARALLEL:
tasks=self.tasks_with_inner_constraints()
maxj=MAXJOBS
else:
raise Utils.WafError("unknown algorithm type %s"%(algotype))
if not tasks:return()
return(maxj,tasks)
def make_cstr_groups(self):
self.cstr_groups=Utils.DefaultDict(list)
for x in self.tasks:
h=x.hash_constraints()
self.cstr_groups[h].append(x)
def set_order(self,a,b):
self.cstr_order[a].add(b)
def compare_exts(self,t1,t2):
x="ext_in"
y="ext_out"
in_=t1.attr(x,())
out_=t2.attr(y,())
for k in in_:
if k in out_:
return-1
in_=t2.attr(x,())
out_=t1.attr(y,())
for k in in_:
if k in out_:
return 1
return 0
def compare_partial(self,t1,t2):
m="after"
n="before"
name=t2.__class__.__name__
if name in Utils.to_list(t1.attr(m,())):return-1
elif name in Utils.to_list(t1.attr(n,())):return 1
name=t1.__class__.__name__
if name in Utils.to_list(t2.attr(m,())):return 1
elif name in Utils.to_list(t2.attr(n,())):return-1
return 0
def extract_constraints(self):
keys=self.cstr_groups.keys()
max=len(keys)
for i in xrange(max):
t1=self.cstr_groups[keys[i]][0]
for j in xrange(i+1,max):
t2=self.cstr_groups[keys[j]][0]
val=(self.compare_exts(t1,t2)or self.compare_partial(t1,t2))
if val>0:
self.set_order(keys[i],keys[j])
elif val<0:
self.set_order(keys[j],keys[i])
def tasks_in_parallel(self):
if not self.ready:self.prepare()
keys=self.cstr_groups.keys()
unconnected=[]
remainder=[]
for u in keys:
for k in self.cstr_order.values():
if u in k:
remainder.append(u)
break
else:
unconnected.append(u)
toreturn=[]
for y in unconnected:
toreturn.extend(self.cstr_groups[y])
for y in unconnected:
try:self.cstr_order.__delitem__(y)
except KeyError:pass
self.cstr_groups.__delitem__(y)
if not toreturn and remainder:
raise Utils.WafError("circular order constraint detected %r"%remainder)
return toreturn
def tasks_by_max_jobs(self):
if not self.ready:self.prepare()
if not self.temp_tasks:self.temp_tasks=self.tasks_in_parallel()
if not self.temp_tasks:return(None,None)
maxjobs=MAXJOBS
ret=[]
remaining=[]
for t in self.temp_tasks:
m=getattr(t,"maxjobs",getattr(self.__class__,"maxjobs",MAXJOBS))
if m>maxjobs:
remaining.append(t)
elif m<maxjobs:
remaining+=ret
ret=[t]
maxjobs=m
else:
ret.append(t)
self.temp_tasks=remaining
return(maxjobs,ret)
def tasks_with_inner_constraints(self):
if not self.ready:self.prepare()
if getattr(self,"done",None):return None
for p in self.cstr_order:
for v in self.cstr_order[p]:
for m in self.cstr_groups[p]:
for n in self.cstr_groups[v]:
n.set_run_after(m)
self.cstr_order=Utils.DefaultDict(set)
self.cstr_groups=Utils.DefaultDict(list)
self.done=1
return self.tasks[:]
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.endswith('_task'):
name=name.replace('_task','')
if name!='TaskBase':
TaskBase.classes[name]=cls
class TaskBase(object):
__metaclass__=store_task_type
color="GREEN"
maxjobs=MAXJOBS
classes={}
stat=None
def __init__(self,*k,**kw):
self.hasrun=NOT_RUN
try:
self.generator=kw['generator']
except KeyError:
self.generator=self
self.bld=Build.bld
if kw.get('normal',1):
self.generator.bld.task_manager.add_task(self)
def __repr__(self):
return'\n\t{task: %s %s}'%(self.__class__.__name__,str(getattr(self,"fun","")))
def __str__(self):
if hasattr(self,'fun'):
return'executing: %s\n'%self.fun.__name__
return self.__class__.__name__+'\n'
def exec_command(self,*k,**kw):
return self.generator.bld.exec_command(*k,**kw)
def runnable_status(self):
return RUN_ME
def can_retrieve_cache(self):
return False
def call_run(self):
if self.can_retrieve_cache():
return 0
return self.run()
def run(self):
if hasattr(self,'fun'):
return self.fun(self)
return 0
def post_run(self):
pass
def display(self):
col1=Logs.colors(self.color)
col2=Logs.colors.NORMAL
if Options.options.progress_bar==1:
return self.generator.bld.progress_line(self.position[0],self.position[1],col1,col2)
if Options.options.progress_bar==2:
ela=Utils.get_elapsed_time(self.generator.bld.ini)
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'%(self.position[1],self.position[0],ins,outs,ela)
total=self.position[1]
n=len(str(total))
fs='[%%%dd/%%%dd] %%s%%s%%s'%(n,n)
return fs%(self.position[0],self.position[1],col1,str(self),col2)
def attr(self,att,default=None):
ret=getattr(self,att,self)
if ret is self:return getattr(self.__class__,att,default)
return ret
def hash_constraints(self):
a=self.attr
sum=hash((self.__class__.__name__,str(a('before','')),str(a('after','')),str(a('ext_in','')),str(a('ext_out','')),self.__class__.maxjobs))
return sum
def format_error(self):
if getattr(self,"err_msg",None):
return self.err_msg
elif self.hasrun==CRASHED:
try:
return" -> task failed (err #%d): %r"%(self.err_code,self)
except AttributeError:
return" -> task failed: %r"%self
elif self.hasrun==MISSING:
return" -> missing files: %r"%self
else:
return''
def install(self):
bld=self.generator.bld
d=self.attr('install')
if self.attr('install_path'):
lst=[a.relpath_gen(bld.srcnode)for a in self.outputs]
perm=self.attr('chmod',O644)
if self.attr('src'):
lst+=[a.relpath_gen(bld.srcnode)for a in self.inputs]
if self.attr('filename'):
dir=self.install_path.rstrip(os.sep)+os.sep+self.attr('filename')
bld.install_as(dir,lst[0],self.env,perm)
else:
bld.install_files(self.install_path,lst,self.env,perm)
class Task(TaskBase):
vars=[]
def __init__(self,env,**kw):
TaskBase.__init__(self,**kw)
self.env=env
self.inputs=[]
self.outputs=[]
self.deps_nodes=[]
self.run_after=[]
def __str__(self):
env=self.env
src_str=' '.join([a.nice_path(env)for a in self.inputs])
tgt_str=' '.join([a.nice_path(env)for a in self.outputs])
if self.outputs:sep=' -> '
else:sep=''
return'%s: %s%s%s\n'%(self.__class__.__name__.replace('_task',''),src_str,sep,tgt_str)
def __repr__(self):
return"".join(['\n\t{task: ',self.__class__.__name__," ",",".join([x.name for x in self.inputs])," -> ",",".join([x.name for x in self.outputs]),'}'])
def unique_id(self):
try:
return self.uid
except AttributeError:
m=md5()
up=m.update
up(self.__class__.__name__)
up(self.env.variant())
p=None
for x in self.inputs+self.outputs:
if p!=x.parent.id:
p=x.parent.id
up(x.parent.abspath())
up(x.name)
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.append(task)
def add_file_dependency(self,filename):
node=self.generator.bld.path.find_resource(filename)
self.deps_nodes.append(node)
def signature(self):
try:return self.cache_sig[0]
except AttributeError:pass
self.m=md5()
exp_sig=self.sig_explicit_deps()
var_sig=self.sig_vars()
imp_sig=SIG_NIL
if self.scan:
try:
imp_sig=self.sig_implicit_deps()
except ValueError:
return self.signature()
ret=self.m.digest()
self.cache_sig=(ret,exp_sig,imp_sig,var_sig)
return ret
def runnable_status(self):
if self.inputs and(not self.outputs):
if not getattr(self.__class__,'quiet',None):
warn("invalid task (no inputs OR outputs): override in a Task subclass or set the attribute 'quiet' %r"%self)
for t in self.run_after:
if not t.hasrun:
return ASK_LATER
env=self.env
bld=self.generator.bld
new_sig=self.signature()
key=self.unique_id()
try:
prev_sig=bld.task_sigs[key][0]
except KeyError:
debug("task: task %r must run as it was never run before or the task code changed",self)
return RUN_ME
for node in self.outputs:
variant=node.variant(env)
try:
if bld.node_sigs[variant][node.id]!=new_sig:
return RUN_ME
except KeyError:
debug("task: task %r must run as the output nodes do not exist",self)
return RUN_ME
if Logs.verbose:self.debug_why(bld.task_sigs[key])
if new_sig!=prev_sig:
return RUN_ME
return SKIP_ME
def post_run(self):
bld=self.generator.bld
env=self.env
sig=self.signature()
ssig=sig.encode('hex')
variant=env.variant()
for node in self.outputs:
try:
os.stat(node.abspath(env))
except OSError:
self.has_run=MISSING
self.err_msg='-> missing file: %r'%node.abspath(env)
raise Utils.WafError
bld.node_sigs[variant][node.id]=sig
bld.task_sigs[self.unique_id()]=self.cache_sig
if not Options.cache_global or Options.options.nocache or not self.outputs:
return None
if getattr(self,'cached',None):
return None
dname=os.path.join(Options.cache_global,ssig)
tmpdir=tempfile.mkdtemp(prefix=Options.cache_global)
try:
shutil.rmtree(dname)
except:
pass
try:
for node in self.outputs:
variant=node.variant(env)
dest=os.path.join(tmpdir,node.name)
shutil.copy2(node.abspath(env),dest)
except(OSError,IOError):
try:
shutil.rmtree(tmpdir)
except:
pass
else:
try:
os.rename(tmpdir,dname)
except OSError:
try:
shutil.rmtree(tmpdir)
except:
pass
else:
try:
os.chmod(dname,O755)
except:
pass
def can_retrieve_cache(self):
if not Options.cache_global or Options.options.nocache or not self.outputs:
return None
env=self.env
sig=self.signature()
ssig=sig.encode('hex')
dname=os.path.join(Options.cache_global,ssig)
try:
t1=os.stat(dname).st_mtime
except OSError:
return None
for node in self.outputs:
variant=node.variant(env)
orig=os.path.join(dname,node.name)
try:
shutil.copy2(orig,node.abspath(env))
os.utime(orig,None)
except(OSError,IOError):
debug('task: failed retrieving file')
return None
try:
t2=os.stat(dname).st_mtime
except OSError:
return None
if t1!=t2:
return None
for node in self.outputs:
self.generator.bld.node_sigs[variant][node.id]=sig
self.generator.bld.printout('restoring from cache %r\n'%node.bldpath(env))
self.cached=True
return 1
def debug_why(self,old_sigs):
new_sigs=self.cache_sig
def v(x):
return x.encode('hex')
debug("Task %r",self)
msgs=['Task must run','* Source file or manual dependency','* Implicit dependency','* Environment variable']
tmp='task: -> %s: %s %s'
for x in xrange(len(msgs)):
if(new_sigs[x]!=old_sigs[x]):
debug(tmp,msgs[x],v(old_sigs[x]),v(new_sigs[x]))
def sig_explicit_deps(self):
bld=self.generator.bld
up=self.m.update
for x in self.inputs+getattr(self,'dep_nodes',[]):
if not x.parent.id in bld.cache_scanned_folders:
bld.rescan(x.parent)
variant=x.variant(self.env)
try:
up(bld.node_sigs[variant][x.id])
except KeyError:
raise Utils.WafError('Missing node signature for %r (required by %r)'%(x,self))
if bld.deps_man:
additional_deps=bld.deps_man
for x in self.inputs+self.outputs:
try:
d=additional_deps[x.id]
except KeyError:
continue
for v in d:
if isinstance(v,Node.Node):
bld.rescan(v.parent)
variant=v.variant(self.env)
try:
v=bld.node_sigs[variant][v.id]
except KeyError:
raise Utils.WafError('Missing node signature for %r (required by %r)'%(v,self))
elif hasattr(v,'__call__'):
v=v()
up(v)
for x in self.deps_nodes:
v=bld.node_sigs[x.variant(self.env)][x.id]
up(v)
return self.m.digest()
def sig_vars(self):
bld=self.generator.bld
env=self.env
act_sig=bld.hash_env_vars(env,self.__class__.vars)
self.m.update(act_sig)
dep_vars=getattr(self,'dep_vars',None)
if dep_vars:
self.m.update(bld.hash_env_vars(env,dep_vars))
return self.m.digest()
scan=None
def sig_implicit_deps(self):
bld=self.generator.bld
key=self.unique_id()
prev_sigs=bld.task_sigs.get(key,())
if prev_sigs:
try:
if prev_sigs[2]==self.compute_sig_implicit_deps():
return prev_sigs[2]
except(KeyError,OSError):
pass
del bld.task_sigs[key]
raise ValueError('rescan')
(nodes,names)=self.scan()
if Logs.verbose:
debug('deps: scanner for %s returned %s %s',str(self),str(nodes),str(names))
bld.node_deps[key]=nodes
bld.raw_deps[key]=names
try:
sig=self.compute_sig_implicit_deps()
except KeyError:
try:
nodes=bld.node_deps.get(self.unique_id(),[])
except:
nodes='?'
raise Utils.WafError('Missing node signature for %r (for implicit dependencies %r)'%(nodes,self))
return sig
def compute_sig_implicit_deps(self):
upd=self.m.update
bld=self.generator.bld
tstamp=bld.node_sigs
env=self.env
for k in bld.node_deps.get(self.unique_id(),[]):
if not k.parent.id in bld.cache_scanned_folders:
bld.rescan(k.parent)
if k.id&3==2:
upd(tstamp[0][k.id])
else:
upd(tstamp[env.variant()][k.id])
return self.m.digest()
def funex(c):
dc={}
exec(c,dc)
return dc['f']
reg_act=re.compile(r"(?P<backslash>\\)|(?P<dollar>\$\$)|(?P<subst>\$\{(?P<var>\w+)(?P<code>.*?)\})",re.M)
def compile_fun_shell(name,line):
extr=[]
def repl(match):
g=match.group
if g('dollar'):return"$"
elif g('backslash'):return'\\\\'
elif g('subst'):extr.append((g('var'),g('code')));return"%s"
return None
line=reg_act.sub(repl,line)
parm=[]
dvars=[]
app=parm.append
for(var,meth)in extr:
if var=='SRC':
if meth:app('task.inputs%s'%meth)
else:app('" ".join([a.srcpath(env) for a in task.inputs])')
elif var=='TGT':
if meth:app('task.outputs%s'%meth)
else:app('" ".join([a.bldpath(env) for a in task.outputs])')
else:
if not var in dvars:dvars.append(var)
app("p('%s')"%var)
if parm:parm="%% (%s) "%(',\n\t\t'.join(parm))
else:parm=''
c=COMPILE_TEMPLATE_SHELL%(line,parm)
debug('action: %s',c)
return(funex(c),dvars)
def compile_fun_noshell(name,line):
extr=[]
def repl(match):
g=match.group
if g('dollar'):return"$"
elif g('subst'):extr.append((g('var'),g('code')));return"<<|@|>>"
return None
line2=reg_act.sub(repl,line)
params=line2.split('<<|@|>>')
buf=[]
dvars=[]
app=buf.append
for x in xrange(len(extr)):
params[x]=params[x].strip()
if params[x]:
app("lst.extend(%r)"%params[x].split())
(var,meth)=extr[x]
if var=='SRC':
if meth:app('lst.append(task.inputs%s)'%meth)
else:app("lst.extend([a.srcpath(env) for a in task.inputs])")
elif var=='TGT':
if meth:app('lst.append(task.outputs%s)'%meth)
else:app("lst.extend([a.bldpath(env) for a in task.outputs])")
else:
app('lst.extend(to_list(env[%r]))'%var)
if not var in dvars:dvars.append(var)
if extr:
if params[-1]:
app("lst.extend(%r)"%params[-1].split())
fun=COMPILE_TEMPLATE_NOSHELL%"\n\t".join(buf)
debug('action: %s',fun)
return(funex(fun),dvars)
def compile_fun(name,line,shell=None):
if line.find('<')>0 or line.find('>')>0 or line.find('&&')>0:
shell=True
if shell is None:
if sys.platform=='win32':
shell=False
else:
shell=True
if shell:
return compile_fun_shell(name,line)
else:
return compile_fun_noshell(name,line)
def simple_task_type(name,line,color='GREEN',vars=[],ext_in=[],ext_out=[],before=[],after=[],shell=None):
(fun,dvars)=compile_fun(name,line,shell)
fun.code=line
return task_type_from_func(name,fun,vars or dvars,color,ext_in,ext_out,before,after)
def task_type_from_func(name,func,vars=[],color='GREEN',ext_in=[],ext_out=[],before=[],after=[]):
params={'run':func,'vars':vars,'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),}
cls=type(Task)(name,(Task,),params)
TaskBase.classes[name]=cls
return cls
def always_run(cls):
old=cls.runnable_status
def always(self):
old(self)
return RUN_ME
cls.runnable_status=always
def update_outputs(cls):
old_post_run=cls.post_run
def post_run(self):
old_post_run(self)
bld=self.outputs[0].__class__.bld
for output in self.outputs:
bld.node_sigs[self.env.variant()][output.id]=Utils.h_file(output.abspath(self.env))
cls.post_run=post_run
old_runnable_status=cls.runnable_status
def runnable_status(self):
status=old_runnable_status(self)
if status!=RUN_ME:
return status
try:
bld=self.outputs[0].__class__.bld
new_sig=self.signature()
prev_sig=bld.task_sigs[self.unique_id()][0]
if prev_sig==new_sig:
return SKIP_ME
except KeyError:
pass
except IndexError:
pass
return RUN_ME
cls.runnable_status=runnable_status
def extract_outputs(tasks):
v={}
for x in tasks:
try:
(ins,outs)=v[x.env.variant()]
except KeyError:
ins={}
outs={}
v[x.env.variant()]=(ins,outs)
for a in getattr(x,'inputs',[]):
try:ins[a.id].append(x)
except KeyError:ins[a.id]=[x]
for a in getattr(x,'outputs',[]):
try:outs[a.id].append(x)
except KeyError:outs[a.id]=[x]
for(ins,outs)in v.values():
links=set(ins.iterkeys()).intersection(outs.iterkeys())
for k in links:
for a in ins[k]:
for b in outs[k]:
a.set_run_after(b)
def extract_deps(tasks):
extract_outputs(tasks)
out_to_task={}
for x in tasks:
v=x.env.variant()
try:
lst=x.outputs
except AttributeError:
pass
else:
for node in lst:
out_to_task[(v,node.id)]=x
dep_to_task={}
for x in tasks:
try:
x.signature()
except:
pass
v=x.env.variant()
key=x.unique_id()
for k in x.generator.bld.node_deps.get(x.unique_id(),[]):
try:dep_to_task[(v,k.id)].append(x)
except KeyError:dep_to_task[(v,k.id)]=[x]
deps=set(dep_to_task.keys()).intersection(set(out_to_task.keys()))
for idx in deps:
for k in dep_to_task[idx]:
k.set_run_after(out_to_task[idx])
for x in tasks:
try:
delattr(x,'cache_sig')
except AttributeError:
pass
|