def main():
oparser = add_options()
(options, args) = oparser.parse_args()
if not args:
oparser.print_help()
sys.exit()
if not os.path.isfile(args[0]):
print "Configuration file %s not existing." % args[0]
sys.exit(-1)
config_file = norm_path(args[0])
config = configuration.parse_merge(config_file)
loglevel = config.getroot().get("loglevel", 10)
common.setup_logging("~/.flof/flof.log", loglevel)
register_bundled_workers()
if options.only:
WorkerRegistry.workers = filter(lambda a: a in options.only.split(","),
WorkerRegistry.workers)
if options.do_not:
WorkerRegistry.workers = filter(
lambda a: a not in options.do_not.split(","),
WorkerRegistry.workers)
os.chdir(os.path.dirname(norm_path(args[0])))
context = ContextManager({"config_file": config_file})
context.overrides = parse_context(options.context)
RootWorker(config, context).run()
def main():
oparser = add_options()
(options, args) = oparser.parse_args()
if not args:
oparser.print_help()
sys.exit()
if not os.path.isfile(args[0]):
print "Configuration file %s not existing." % args[0]
sys.exit(-1)
config_file = norm_path(args[0])
config = configuration.parse_merge(config_file)
loglevel = config.getroot().get("loglevel", 10)
common.setup_logging("~/.flof/flof.log", loglevel)
register_bundled_workers()
if options.only:
WorkerRegistry.workers = filter(lambda a: a in options.only.split(","), WorkerRegistry.workers)
if options.do_not:
WorkerRegistry.workers = filter(lambda a: a not in options.do_not.split(","), WorkerRegistry.workers)
os.chdir(os.path.dirname(norm_path(args[0])))
context = ContextManager({"config_file" : config_file})
context.overrides = parse_context(options.context)
RootWorker(config, context).run()
def output_file(self):
""" Return the location of the spider output file, relative to its config file. """
spider_conf = norm_path(self.config["configuration"])
# Extract the output filename from the spider configuration,
# assumes that the line after the keyword OUTFILENAME contains it.
with open(spider_conf) as f:
for line in f:
if "OUTFILENAME" in line:
break
return norm_path(os.path.dirname(spider_conf), f.next().strip())
def output_file(self):
""" Return the location of the spider output file, relative to its config file. """
spider_conf = norm_path(self.config["configuration"])
# Extract the output filename from the spider configuration,
# assumes that the line after the keyword OUTFILENAME contains it.
with open(spider_conf) as f:
for line in f:
if "OUTFILENAME" in line:
break
return norm_path(os.path.dirname(spider_conf), f.next().strip())
def create_mesh(self):
""" Create the mesh either from a fluent file or by copying from another OF case. """
if self.config.find("./mesh/fluent") is not None:
tag = self.config.find("./mesh/fluent")
mesh = norm_path(tag.attrib["mesh"])
cmd = "fluentMeshToFoam -case %s %s %s" % (self.case, tag.get("arguments", ""), mesh)
self.logger.info("Creating mesh from fluent mesh file %s", mesh)
self.start_process(cmd)
elif self.config.find("./mesh/copy") is not None:
tag = self.config.find("./mesh/copy")
src_case = norm_path(tag.get("source", self.config.attrib["template"]))
time = tag.get("time", "constant")
src_path = join(src_case, time, "polyMesh")
self.logger.info("Copy mesh from %s", src_path)
shutil.copytree(src_path, join(self.case, "constant/polyMesh"))
def __init__(self, case_config=None, cmd_config=None, global_config="~/.flof", defaults=None):
ConfigParser.SafeConfigParser.__init__(self, defaults=defaults)
self.readfp(default_config)
default_config.seek(0) # Rewind default_config after usage
if global_config:
self.read(norm_path(global_config))
if case_config:
case_config = norm_path(case_config)
self.read(case_config)
self.case_config = case_config
if cmd_config:
self.merge_config(cmd_config)
def __init__(self, filename):
self.path = norm_path(filename)
try:
parsed = self._grammar.parseFile(self.path, parseAll=True)
self._data = self._as_dict(parsed)
except IOError:
self._data = {}
def __init__(self, filename):
self.path = norm_path(filename)
try:
parsed = self._grammar.parseFile(self.path, parseAll=True)
self._data = self._as_dict(parsed)
except IOError:
self._data = {}
def __init__(self,
case_config=None,
cmd_config=None,
global_config="~/.flof",
defaults=None):
ConfigParser.SafeConfigParser.__init__(self, defaults=defaults)
self.readfp(default_config)
default_config.seek(0) # Rewind default_config after usage
if global_config:
self.read(norm_path(global_config))
if case_config:
case_config = norm_path(case_config)
self.read(case_config)
self.case_config = case_config
if cmd_config:
self.merge_config(cmd_config)
def _logfilename(self):
""" Returns a path for the case log file. Creates it, if not already existing. """
if not common.getboolean(self.config.get("log", True)) or self.case is None:
return None
logfile = norm_path(self.case, "log/", self.config.tag)
try:
os.makedirs(os.path.dirname(logfile))
except OSError:
pass
return logfile
def run(self):
spider_conf = norm_path(self.config["configuration"])
if not self.config["overwrite"]:
if os.path.isfile(self.output_file):
self.logger.info("Spider output file %s exists, not recreating mesh.", self.output_file)
return
cmd = "spider " + spider_conf
ret_code = self.start_subproc(cmd, cwd = os.path.dirname(spider_conf))
def parse_merge(source):
conf = ET.parse(source)
try:
defaults = ET.parse(norm_path("~/.flof/defaults.xml"))
except IOError:
pass # No defaults file present
else:
default_attr = defaults.getroot().attrib
default_attr.update(conf.getroot().attrib)
conf.getroot().attrib = default_attr
return conf
def parse_merge(source):
conf = ET.parse(source)
try:
defaults = ET.parse(norm_path("~/.flof/defaults.xml"))
except IOError:
pass # No defaults file present
else:
default_attr = defaults.getroot().attrib
default_attr.update(conf.getroot().attrib)
conf.getroot().attrib = default_attr
return conf
def run(self):
spider_conf = norm_path(self.config["configuration"])
if not self.config["overwrite"]:
if os.path.isfile(self.output_file):
self.logger.info(
"Spider output file %s exists, not recreating mesh.",
self.output_file)
return
cmd = "spider " + spider_conf
ret_code = self.start_subproc(cmd, cwd=os.path.dirname(spider_conf))
def upload(self, local_path, remote_path, remote_name=None):
local_path = norm_path(local_path)
file_name = os.path.split(local_path)[-1]
if remote_name is None: remote_name = file_name
fid = self.create(remote_path, remote_name)
# load local file and divide into blocks
with open(local_path, 'rb') as f:
data = f.read()
block_datas = self.divide_file(data)
block_list = []
print("uploading...")
for block_data in block_datas:
# request block in namenode
block_meta_dict = self.request_new_block(fid)
block_info = block_meta_dict["block"]
datanodes = block_meta_dict["datanodes"]
block_info["length"] = len(block_data)
last_checksum = None
# upload blocks to datanodes
for node in datanodes:
success = False
err = None
for t in range(5):
try:
checksum = self.send_full_block_to_datanode(
block_info, block_data, (node, self.config["datanode_port"]))
success = True
except Exception as e:
err = e
time.sleep(2)
success = False
if success: break
if not success:
logging.fatal("something goes wrong when upload files: {}".format(err))
exit(1)
if checksum is None:
return None
if last_checksum is not None and last_checksum != checksum:
logging.error("checksum error: {} != {}".format(last_checksum, checksum))
return None
last_checksum = checksum
# update block info in namenode
self.update_block_info(fid, block_info)
return fid
def __init__(self, configuration, context):
# The directory to the case. The is no guarantee it actually exists, e.g. when it is created by the CaseBuilder.
self.context = context
self.config = configuration.getroot()
self.do_string_interpolation(recurse=self._do_recursive_string_interpolation)
if "name" in context:
self.case = norm_path(context["name"])
else:
self.case = None
# Setup logging: Add an additional handler for worker based logfiles
self.logger = logging.getLogger(self.__class__.__module__ + "." + self.__class__.__name__ )
if self._logfilename():
handler = logging.FileHandler(self._logfilename())
handler.setFormatter(logging.Formatter("%(asctime)s - %(name)s:%(levelname)s - %(message)s"))
self.logger.addHandler(handler)
def _copy_rec(self, rel_dir, dir_node):
""" Recursive copy according to the <files> entry. """
src_dir = norm_path(self.config.attrib["template"], rel_dir)
target = join(self.case, rel_dir)
for f in os.listdir(src_dir):
if os.path.isfile(join(src_dir, f)):
for tag in dir_node.findall("./file"):
if re.match(tag.attrib["name"], f):
try:
os.makedirs(target)
except OSError:
pass # Directory already exists
self.logger.debug("Copy file from %s to %s" % (join(src_dir, f), join(target,f )))
shutil.copy( join(src_dir, f), join(target, f) )
elif os.path.isdir(join(src_dir, f)):
for tag in dir_node.findall("./directory"):
if re.match(tag.attrib["name"], f):
self._copy_rec( os.path.join(rel_dir, f), tag)
def copy_0_time(self):
""" Copy the boundary conditions from another case. """
template = norm_path(self.config.attrib["template"])
node = self.config.find("./zeroTime")
timestep = node.attrib.get("time", "0")
if timestep == "latestTime":
casedirs = []
for d in [i for i in os.listdir(template) if os.path.isdir(i) ]:
try:
casedirs.append(float(d))
except ValueError:
pass
timestep = max(casedirs)
src = join(template, timestep)
self.logger.info("Copy 0 timestep from %s", src)
os.mkdir(join(self.case, "0"))
for f in os.listdir(src):
shutil.copy( join(src, f), join(self.case, "0") )
def __init__(self, configuration, context):
# The directory to the case. The is no guarantee it actually exists, e.g. when it is created by the CaseBuilder.
self.context = context
self.config = configuration.getroot()
self.do_string_interpolation(
recurse=self._do_recursive_string_interpolation)
if "name" in context:
self.case = norm_path(context["name"])
else:
self.case = None
# Setup logging: Add an additional handler for worker based logfiles
self.logger = logging.getLogger(self.__class__.__module__ + "." +
self.__class__.__name__)
if self._logfilename():
handler = logging.FileHandler(self._logfilename())
handler.setFormatter(
logging.Formatter(
"%(asctime)s - %(name)s:%(levelname)s - %(message)s"))
self.logger.addHandler(handler)
def put(case_config, prio):
case_config = norm_path(case_config)
print "Put case with config %s, priority %s in the queue." % (case_config, prio)
jid = proxy.enqueue(prio, case_config)
print "Queued job with ID", jid
