1 files changed, 306 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/meta/lib/oe/utils.py b/import-layers/yocto-poky/meta/lib/oe/utils.py
new file mode 100644
index 000000000..30d30629f
--- /dev/null
+++ b/import-layers/yocto-poky/meta/lib/oe/utils.py
@@ -0,0 +1,306 @@
+try:
+    # Python 2
+    import commands as cmdstatus
+except ImportError:
+    # Python 3
+    import subprocess as cmdstatus
+
+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,1) == checkvalue:
+        return truevalue
+    else:
+        return falsevalue
+
+def less_or_equal(variable, checkvalue, truevalue, falsevalue, d):
+    if float(d.getVar(variable,1)) <= 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,True), checkvalue)
+    if result <= 0:
+        return truevalue
+    else:
+        return falsevalue
+
+def both_contain(variable1, variable2, checkvalue, d):
+    val1 = d.getVar(variable1, True)
+    val2 = d.getVar(variable2, True)
+    val1 = set(val1.split())
+    val2 = set(val2.split())
+    if isinstance(checkvalue, basestring):
+        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, True).split())
+    val2 = set(d.getVar(variable2, True).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 var.endswith(suffix):
+            var = var.replace(suffix, "")
+
+    prefix = d.getVar("MLPREFIX", True)
+    if prefix and var.startswith(prefix):
+        var = var.replace(prefix, "")
+
+    return var
+
+def str_filter(f, str, d):
+    from re import match
+    return " ".join(filter(lambda x: match(f, x, 0), str.split()))
+
+def str_filter_out(f, str, d):
+    from re import match
+    return " ".join(filter(lambda x: not match(f, x, 0), str.split()))
+
+def param_bool(cfg, field, dflt = None):
+    """Lookup <field> in <cfg> map and convert it to a boolean; take
+    <dflt> when this <field> does not exist"""
+    value = cfg.get(field, dflt)
+    strvalue = str(value).lower()
+    if strvalue in ('yes', 'y', 'true', 't', '1'):
+        return True
+    elif strvalue in ('no', 'n', 'false', 'f', '0'):
+        return False
+    raise ValueError("invalid value for boolean parameter '%s': '%s'" % (field, value))
+
+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, True) or "").split()
+    backfill = (d.getVar(var+"_BACKFILL", True) or "").split()
+    considered = (d.getVar(var+"_BACKFILL_CONSIDERED", True) 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 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', True)
+    blacklist = map(lambda suffix: pn + suffix, ('', '-dbg', '-dev', '-doc', '-locale', '-staticdev'))
+    localepkg = pn + "-locale-"
+    pkgs = []
+
+    for pkg in d.getVar('PACKAGES', True).split():
+        if pkg not in blacklist and localepkg not in pkg:
+            pkgs.append(pkg)
+    return pkgs
+
+def getstatusoutput(cmd):
+    return cmdstatus.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)
+
+def multiprocess_exec(commands, function):
+    import signal
+    import multiprocessing
+
+    if not commands:
+        return []
+
+    def init_worker():
+        signal.signal(signal.SIGINT, signal.SIG_IGN)
+
+    nproc = min(multiprocessing.cpu_count(), len(commands))
+    pool = bb.utils.multiprocessingpool(nproc, init_worker)
+    imap = pool.imap(function, commands)
+
+    try:
+        res = list(imap)
+        pool.close()
+        pool.join()
+        results = []
+        for result in res:
+            if result is not None:
+                results.append(result)
+        return results
+
+    except KeyboardInterrupt:
+        pool.terminate()
+        pool.join()
+        raise
+
+def squashspaces(string):
+    import re
+    return re.sub("\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)
+
+    return '\n'.join(output)
+
+#
+# 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, 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", True) + '\n')
+        f.write(d.getVar("libdir", True) + '\n')