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#
# SPDX-License-Identifier: GPL-2.0-only
#
import subprocess
import multiprocessing
import traceback
def read_file(filename):
try:
f = open( filename, "r" )
except IOError as reason:
return "" # WARNING: can't raise an error now because of the new RDEPENDS handling. This is a bit ugly. :M:
else:
data = f.read().strip()
f.close()
return data
return None
def ifelse(condition, iftrue = True, iffalse = False):
if condition:
return iftrue
else:
return iffalse
def conditional(variable, checkvalue, truevalue, falsevalue, d):
if d.getVar(variable) == checkvalue:
return truevalue
else:
return falsevalue
def vartrue(var, iftrue, iffalse, d):
import oe.types
if oe.types.boolean(d.getVar(var)):
return iftrue
else:
return iffalse
def less_or_equal(variable, checkvalue, truevalue, falsevalue, d):
if float(d.getVar(variable)) <= float(checkvalue):
return truevalue
else:
return falsevalue
def version_less_or_equal(variable, checkvalue, truevalue, falsevalue, d):
result = bb.utils.vercmp_string(d.getVar(variable), checkvalue)
if result <= 0:
return truevalue
else:
return falsevalue
def both_contain(variable1, variable2, checkvalue, d):
val1 = d.getVar(variable1)
val2 = d.getVar(variable2)
val1 = set(val1.split())
val2 = set(val2.split())
if isinstance(checkvalue, str):
checkvalue = set(checkvalue.split())
else:
checkvalue = set(checkvalue)
if checkvalue.issubset(val1) and checkvalue.issubset(val2):
return " ".join(checkvalue)
else:
return ""
def set_intersect(variable1, variable2, d):
"""
Expand both variables, interpret them as lists of strings, and return the
intersection as a flattened string.
For example:
s1 = "a b c"
s2 = "b c d"
s3 = set_intersect(s1, s2)
=> s3 = "b c"
"""
val1 = set(d.getVar(variable1).split())
val2 = set(d.getVar(variable2).split())
return " ".join(val1 & val2)
def prune_suffix(var, suffixes, d):
# See if var ends with any of the suffixes listed and
# remove it if found
for suffix in suffixes:
if suffix and var.endswith(suffix):
var = var[:-len(suffix)]
prefix = d.getVar("MLPREFIX")
if prefix and var.startswith(prefix):
var = var[len(prefix):]
return var
def str_filter(f, str, d):
from re import match
return " ".join([x for x in str.split() if match(f, x, 0)])
def str_filter_out(f, str, d):
from re import match
return " ".join([x for x in str.split() if not match(f, x, 0)])
def build_depends_string(depends, task):
"""Append a taskname to a string of dependencies as used by the [depends] flag"""
return " ".join(dep + ":" + task for dep in depends.split())
def inherits(d, *classes):
"""Return True if the metadata inherits any of the specified classes"""
return any(bb.data.inherits_class(cls, d) for cls in classes)
def features_backfill(var,d):
# This construct allows the addition of new features to variable specified
# as var
# Example for var = "DISTRO_FEATURES"
# This construct allows the addition of new features to DISTRO_FEATURES
# that if not present would disable existing functionality, without
# disturbing distributions that have already set DISTRO_FEATURES.
# Distributions wanting to elide a value in DISTRO_FEATURES_BACKFILL should
# add the feature to DISTRO_FEATURES_BACKFILL_CONSIDERED
features = (d.getVar(var) or "").split()
backfill = (d.getVar(var+"_BACKFILL") or "").split()
considered = (d.getVar(var+"_BACKFILL_CONSIDERED") or "").split()
addfeatures = []
for feature in backfill:
if feature not in features and feature not in considered:
addfeatures.append(feature)
if addfeatures:
d.appendVar(var, " " + " ".join(addfeatures))
def all_distro_features(d, features, truevalue="1", falsevalue=""):
"""
Returns truevalue if *all* given features are set in DISTRO_FEATURES,
else falsevalue. The features can be given as single string or anything
that can be turned into a set.
This is a shorter, more flexible version of
bb.utils.contains("DISTRO_FEATURES", features, truevalue, falsevalue, d).
Without explicit true/false values it can be used directly where
Python expects a boolean:
if oe.utils.all_distro_features(d, "foo bar"):
bb.fatal("foo and bar are mutually exclusive DISTRO_FEATURES")
With just a truevalue, it can be used to include files that are meant to be
used only when requested via DISTRO_FEATURES:
require ${@ oe.utils.all_distro_features(d, "foo bar", "foo-and-bar.inc")
"""
return bb.utils.contains("DISTRO_FEATURES", features, truevalue, falsevalue, d)
def any_distro_features(d, features, truevalue="1", falsevalue=""):
"""
Returns truevalue if at least *one* of the given features is set in DISTRO_FEATURES,
else falsevalue. The features can be given as single string or anything
that can be turned into a set.
This is a shorter, more flexible version of
bb.utils.contains_any("DISTRO_FEATURES", features, truevalue, falsevalue, d).
Without explicit true/false values it can be used directly where
Python expects a boolean:
if not oe.utils.any_distro_features(d, "foo bar"):
bb.fatal("foo, bar or both must be set in DISTRO_FEATURES")
With just a truevalue, it can be used to include files that are meant to be
used only when requested via DISTRO_FEATURES:
require ${@ oe.utils.any_distro_features(d, "foo bar", "foo-or-bar.inc")
"""
return bb.utils.contains_any("DISTRO_FEATURES", features, truevalue, falsevalue, d)
def parallel_make(d):
"""
Return the integer value for the number of parallel threads to use when
building, scraped out of PARALLEL_MAKE. If no parallelization option is
found, returns None
e.g. if PARALLEL_MAKE = "-j 10", this will return 10 as an integer.
"""
pm = (d.getVar('PARALLEL_MAKE') or '').split()
# look for '-j' and throw other options (e.g. '-l') away
while pm:
opt = pm.pop(0)
if opt == '-j':
v = pm.pop(0)
elif opt.startswith('-j'):
v = opt[2:].strip()
else:
continue
return int(v)
return None
def parallel_make_argument(d, fmt, limit=None):
"""
Helper utility to construct a parallel make argument from the number of
parallel threads specified in PARALLEL_MAKE.
Returns the input format string `fmt` where a single '%d' will be expanded
with the number of parallel threads to use. If `limit` is specified, the
number of parallel threads will be no larger than it. If no parallelization
option is found in PARALLEL_MAKE, returns an empty string
e.g. if PARALLEL_MAKE = "-j 10", parallel_make_argument(d, "-n %d") will return
"-n 10"
"""
v = parallel_make(d)
if v:
if limit:
v = min(limit, v)
return fmt % v
return ''
def packages_filter_out_system(d):
"""
Return a list of packages from PACKAGES with the "system" packages such as
PN-dbg PN-doc PN-locale-eb-gb removed.
"""
pn = d.getVar('PN')
blacklist = [pn + suffix for suffix in ('', '-dbg', '-dev', '-doc', '-locale', '-staticdev', '-src')]
localepkg = pn + "-locale-"
pkgs = []
for pkg in d.getVar('PACKAGES').split():
if pkg not in blacklist and localepkg not in pkg:
pkgs.append(pkg)
return pkgs
def getstatusoutput(cmd):
return subprocess.getstatusoutput(cmd)
def trim_version(version, num_parts=2):
"""
Return just the first <num_parts> of <version>, split by periods. For
example, trim_version("1.2.3", 2) will return "1.2".
"""
if type(version) is not str:
raise TypeError("Version should be a string")
if num_parts < 1:
raise ValueError("Cannot split to parts < 1")
parts = version.split(".")
trimmed = ".".join(parts[:num_parts])
return trimmed
def cpu_count():
import multiprocessing
return multiprocessing.cpu_count()
def execute_pre_post_process(d, cmds):
if cmds is None:
return
for cmd in cmds.strip().split(';'):
cmd = cmd.strip()
if cmd != '':
bb.note("Executing %s ..." % cmd)
bb.build.exec_func(cmd, d)
# For each item in items, call the function 'target' with item as the first
# argument, extraargs as the other arguments and handle any exceptions in the
# parent thread
def multiprocess_launch(target, items, d, extraargs=None):
class ProcessLaunch(multiprocessing.Process):
def __init__(self, *args, **kwargs):
multiprocessing.Process.__init__(self, *args, **kwargs)
self._pconn, self._cconn = multiprocessing.Pipe()
self._exception = None
self._result = None
def run(self):
try:
ret = self._target(*self._args, **self._kwargs)
self._cconn.send((None, ret))
except Exception as e:
tb = traceback.format_exc()
self._cconn.send((e, tb))
def update(self):
if self._pconn.poll():
(e, tb) = self._pconn.recv()
if e is not None:
self._exception = (e, tb)
else:
self._result = tb
@property
def exception(self):
self.update()
return self._exception
@property
def result(self):
self.update()
return self._result
max_process = int(d.getVar("BB_NUMBER_THREADS") or os.cpu_count() or 1)
launched = []
errors = []
results = []
items = list(items)
while (items and not errors) or launched:
if not errors and items and len(launched) < max_process:
args = (items.pop(),)
if extraargs is not None:
args = args + extraargs
p = ProcessLaunch(target=target, args=args)
p.start()
launched.append(p)
for q in launched:
# Have to manually call update() to avoid deadlocks. The pipe can be full and
# transfer stalled until we try and read the results object but the subprocess won't exit
# as it still has data to write (https://bugs.python.org/issue8426)
q.update()
# The finished processes are joined when calling is_alive()
if not q.is_alive():
if q.exception:
errors.append(q.exception)
if q.result:
results.append(q.result)
launched.remove(q)
# Paranoia doesn't hurt
for p in launched:
p.join()
if errors:
msg = ""
for (e, tb) in errors:
if isinstance(e, subprocess.CalledProcessError) and e.output:
msg = msg + str(e) + "\n"
msg = msg + "Subprocess output:"
msg = msg + e.output.decode("utf-8", errors="ignore")
else:
msg = msg + str(e) + ": " + str(tb) + "\n"
bb.fatal("Fatal errors occurred in subprocesses:\n%s" % msg)
return results
def squashspaces(string):
import re
return re.sub(r"\s+", " ", string).strip()
def format_pkg_list(pkg_dict, ret_format=None):
output = []
if ret_format == "arch":
for pkg in sorted(pkg_dict):
output.append("%s %s" % (pkg, pkg_dict[pkg]["arch"]))
elif ret_format == "file":
for pkg in sorted(pkg_dict):
output.append("%s %s %s" % (pkg, pkg_dict[pkg]["filename"], pkg_dict[pkg]["arch"]))
elif ret_format == "ver":
for pkg in sorted(pkg_dict):
output.append("%s %s %s" % (pkg, pkg_dict[pkg]["arch"], pkg_dict[pkg]["ver"]))
elif ret_format == "deps":
for pkg in sorted(pkg_dict):
for dep in pkg_dict[pkg]["deps"]:
output.append("%s|%s" % (pkg, dep))
else:
for pkg in sorted(pkg_dict):
output.append(pkg)
output_str = '\n'.join(output)
if output_str:
# make sure last line is newline terminated
output_str += '\n'
return output_str
def host_gcc_version(d, taskcontextonly=False):
import re, subprocess
if taskcontextonly and d.getVar('BB_WORKERCONTEXT') != '1':
return
compiler = d.getVar("BUILD_CC")
# Get rid of ccache since it is not present when parsing.
if compiler.startswith('ccache '):
compiler = compiler[7:]
try:
env = os.environ.copy()
env["PATH"] = d.getVar("PATH")
output = subprocess.check_output("%s --version" % compiler, \
shell=True, env=env, stderr=subprocess.STDOUT).decode("utf-8")
except subprocess.CalledProcessError as e:
bb.fatal("Error running %s --version: %s" % (compiler, e.output.decode("utf-8")))
match = re.match(r".* (\d\.\d)\.\d.*", output.split('\n')[0])
if not match:
bb.fatal("Can't get compiler version from %s --version output" % compiler)
version = match.group(1)
return "-%s" % version if version in ("4.8", "4.9") else ""
def get_multilib_datastore(variant, d):
localdata = bb.data.createCopy(d)
if variant:
overrides = localdata.getVar("OVERRIDES", False) + ":virtclass-multilib-" + variant
localdata.setVar("OVERRIDES", overrides)
localdata.setVar("MLPREFIX", variant + "-")
else:
origdefault = localdata.getVar("DEFAULTTUNE_MULTILIB_ORIGINAL")
if origdefault:
localdata.setVar("DEFAULTTUNE", origdefault)
overrides = localdata.getVar("OVERRIDES", False).split(":")
overrides = ":".join([x for x in overrides if not x.startswith("virtclass-multilib-")])
localdata.setVar("OVERRIDES", overrides)
localdata.setVar("MLPREFIX", "")
return localdata
#
# Python 2.7 doesn't have threaded pools (just multiprocessing)
# so implement a version here
#
from queue import Queue
from threading import Thread
class ThreadedWorker(Thread):
"""Thread executing tasks from a given tasks queue"""
def __init__(self, tasks, worker_init, worker_end):
Thread.__init__(self)
self.tasks = tasks
self.daemon = True
self.worker_init = worker_init
self.worker_end = worker_end
def run(self):
from queue import Empty
if self.worker_init is not None:
self.worker_init(self)
while True:
try:
func, args, kargs = self.tasks.get(block=False)
except Empty:
if self.worker_end is not None:
self.worker_end(self)
break
try:
func(self, *args, **kargs)
except Exception as e:
print(e)
finally:
self.tasks.task_done()
class ThreadedPool:
"""Pool of threads consuming tasks from a queue"""
def __init__(self, num_workers, num_tasks, worker_init=None,
worker_end=None):
self.tasks = Queue(num_tasks)
self.workers = []
for _ in range(num_workers):
worker = ThreadedWorker(self.tasks, worker_init, worker_end)
self.workers.append(worker)
def start(self):
for worker in self.workers:
worker.start()
def add_task(self, func, *args, **kargs):
"""Add a task to the queue"""
self.tasks.put((func, args, kargs))
def wait_completion(self):
"""Wait for completion of all the tasks in the queue"""
self.tasks.join()
for worker in self.workers:
worker.join()
def write_ld_so_conf(d):
# Some utils like prelink may not have the correct target library paths
# so write an ld.so.conf to help them
ldsoconf = d.expand("${STAGING_DIR_TARGET}${sysconfdir}/ld.so.conf")
if os.path.exists(ldsoconf):
bb.utils.remove(ldsoconf)
bb.utils.mkdirhier(os.path.dirname(ldsoconf))
with open(ldsoconf, "w") as f:
f.write(d.getVar("base_libdir") + '\n')
f.write(d.getVar("libdir") + '\n')
class ImageQAFailed(Exception):
def __init__(self, description, name=None, logfile=None):
self.description = description
self.name = name
self.logfile=logfile
def __str__(self):
msg = 'Function failed: %s' % self.name
if self.description:
msg = msg + ' (%s)' % self.description
return msg
def sh_quote(string):
import shlex
return shlex.quote(string)
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