def configure(self, config):
self.config = config
self.config.matlab_path = [os.path.join(self.config.matlab_base, md) for md in MATLAB_DIRS]
self.deposit = Deposit(self.config.features_deposit, product_type='features')
self.multiblob_deposit = Deposit(self.config.features_deposit, product_type='multiblob')
self.resolver = parse_stream(self.config.resolver)
self.last_check = time.time()
def configure(self, config):
self.config = config
self.config.matlab_path = [os.path.join(self.config.matlab_base, md) for md in MATLAB_DIRS]
self.deposit = Deposit(self.config.blob_deposit)
self.resolver = parse_stream(self.config.resolver)
self.last_check = time.time()
class FeatureExtraction(object):
def __init__(self, config):
self.configure(config)
def configure(self, config):
self.config = config
self.config.matlab_path = [os.path.join(self.config.matlab_base, md) for md in MATLAB_DIRS]
self.deposit = Deposit(self.config.features_deposit, product_type='features')
self.multiblob_deposit = Deposit(self.config.features_deposit, product_type='multiblob')
self.resolver = parse_stream(self.config.resolver)
self.last_check = time.time()
def complete(self,bin_pid):
return exists(self.deposit, bin_pid)
def preflight(self):
for p in self.config.matlab_path:
if not os.path.exists(p):
raise
if not os.path.exists(self.config.tmp_dir):
raise
tempfile = os.path.join(self.config.tmp_dir,gen_id()+'.txt')
with open(tempfile,'w') as tf:
tf.write('test')
tf.flush()
if not os.path.exists(tempfile):
raise
os.remove(tempfile)
if os.path.exists(tempfile):
raise
def log(self,message):
print message # will be posted to AMQP
def extract_features(self,bin_pid):
jobid = gen_id()[:5]
def selflog(line):
self.log('[%s] %s' % (jobid, line))
def self_check_log(line,bin_pid):
selflog(line)
now = time.time()
elapsed = now - self.last_check
self.last_check = now
if elapsed > CHECK_EVERY:
if self.complete(bin_pid):
msg = 'STOPPING JOB - %s completed by another worker' % bin_pid
selflog(msg)
raise JobExit(msg, SKIP)
if self.complete(bin_pid):
selflog('SKIPPING %s - already completed' % bin_pid)
return SKIP
job_dir = os.path.join(self.config.tmp_dir, gen_id())
zip_dir = os.path.join(self.config.tmp_dir, gen_id())
bin_zip_path = os.path.join(zip_dir, binzipname(bin_pid))
try:
os.makedirs(job_dir)
selflog('CREATED temporary directory %s for %s' % (job_dir, bin_pid))
except:
selflog('WARNING cannot create temporary directory %s for %s' % (job_dir, bin_pid))
try:
os.makedirs(zip_dir)
selflog('CREATED temporary directory %s for %s' % (zip_dir, bin_pid))
except:
selflog('WARNING cannot create temporary directory %s for %s' % (zip_dir, bin_pid))
selflog('LOADING and STITCHING %s' % bin_pid)
with open(bin_zip_path,'wb') as binzip:
represent.binpid2zip(bin_pid, binzip, resolver=self.resolver)
blobzipurl = bin_pid + '_blob.zip'
blobzipfile = re.sub(r'\.zip','_blob.zip',bin_zip_path)
selflog('LOADING blob zip from %s -> %s' % (blobzipurl, blobzipfile))
drain(UrlSource(blobzipurl), LocalFileSink(blobzipfile))
feature_csv = os.path.join(job_dir, csvname(bin_pid))
multiblob_csv = os.path.join(job_dir, 'multiblob', multiblobname(bin_pid))
matlab = Matlab(self.config.matlab_exec_path,self.config.matlab_path,output_callback=lambda l: self_check_log(l, bin_pid))
namespace = os.path.dirname(bin_zip_path) + '/'
lid = os.path.basename(bin_zip_path)
cmd = 'bin_features(\'%s\',\'%s\',\'%s\',\'chatty\')' % (namespace, lid, job_dir + '/')
selflog('RUNNING %s' % cmd)
try:
self.output_check = CHECK_EVERY
matlab.run(cmd)
if not os.path.exists(feature_csv):
msg = 'WARNING bin_features succeeded but no output file found at %s' % feature_csv
selflog(msg)
raise JobExit(msg,FAIL)
if not self.complete(bin_pid): # check to make sure another worker hasn't finished it in the meantime
selflog('DEPOSITING features csv for %s to deposit service at %s' % (bin_pid, self.config.features_deposit))
self.deposit.deposit(bin_pid,feature_csv)
selflog('DEPOSITED features csv for %s ' % bin_pid)
if os.path.exists(multiblob_csv):
selflog('DEPOSITING multiblob csv for %s to deposit service at %s' % (bin_pid, self.config.features_deposit))
self.multiblob_deposit.deposit(bin_pid,multiblob_csv)
selflog('DEPOSITED multiblob csv for %s ' % bin_pid)
else:
selflog('NOT SAVING - features for %s already present at output destination' % bin_pid)
except KeyboardInterrupt:
selflog('KeyboardInterrupt, exiting')
return DIE
except JobExit:
pass
finally:
try:
shutil.rmtree(job_dir)
selflog('DELETED temporary directory %s for %s' % (job_dir, bin_pid))
except:
selflog('WARNING cannot remove temporary directory %s for %s' % (job_dir, bin_pid))
try:
shutil.rmtree(zip_dir)
selflog('DELETED temporary directory %s for %s' % (zip_dir, bin_pid))
except:
selflog('WARNING cannot remove temporary directory %s for %s' % (zip_dir, bin_pid))
selflog('DONE - no more actions for %s' % bin_pid)
class BlobExtraction(object):
def __init__(self, config):
self.configure(config)
def configure(self, config):
self.config = config
self.config.matlab_path = [os.path.join(self.config.matlab_base, md) for md in MATLAB_DIRS]
self.deposit = Deposit(self.config.blob_deposit)
self.resolver = parse_stream(self.config.resolver)
self.last_check = time.time()
def exists(self,bin_pid):
return exists(self.deposit, bin_pid)
def preflight(self):
for p in self.config.matlab_path:
if not os.path.exists(p):
raise
if not os.path.exists(self.config.tmp_dir):
raise
tempfile = os.path.join(self.config.tmp_dir,gen_id()+'.txt')
with open(tempfile,'w') as tf:
tf.write('test')
tf.flush()
if not os.path.exists(tempfile):
raise
os.remove(tempfile)
if os.path.exists(tempfile):
raise
def log(self,message):
print message # this will be sent to AMQP via Celery root logging
def extract_blobs(self,bin_pid):
try:
jobid = self.config.task_id
except:
jobid = gen_id()[:5]
def selflog(line):
self.log('[%s] %s' % (jobid, line))
def self_check_log(line,bin_pid):
selflog(line)
now = time.time()
elapsed = now - self.last_check
self.last_check = now
if elapsed > CHECK_EVERY:
if self.exists(bin_pid):
msg = 'STOPPING JOB - %s completed by another worker' % bin_pid
selflog(msg)
raise JobExit(msg, SKIP)
if self.exists(bin_pid):
selflog('SKIPPING %s - already completed' % bin_pid)
return SKIP
job_dir = os.path.join(self.config.tmp_dir, gen_id())
zip_dir = os.path.join(self.config.tmp_dir, gen_id())
bin_zip_path = os.path.join(zip_dir, binzipname(bin_pid))
try:
os.makedirs(job_dir)
selflog('CREATED temporary directory %s for %s' % (job_dir, bin_pid))
except:
selflog('WARNING cannot create temporary directory %s for %s' % (job_dir, bin_pid))
try:
os.makedirs(zip_dir)
selflog('CREATED temporary directory %s for %s' % (zip_dir, bin_pid))
except:
selflog('WARNING cannot create temporary directory %s for %s' % (zip_dir, bin_pid))
try:
selflog('LOADING and STITCHING %s' % bin_pid)
with open(bin_zip_path,'wb') as binzip:
targets = represent.binpid2zip(bin_pid, binzip, resolver=self.resolver)
if len(targets)==0:
selflog('SKIPPING %s - no targets in bin' % bin_pid)
return SKIP
tmp_file = os.path.join(job_dir, zipname(bin_pid))
matlab = Matlab(self.config.matlab_exec_path,self.config.matlab_path,output_callback=lambda l: self_check_log(l, bin_pid))
cmd = 'bin_blobs(\'%s\',\'%s\',\'%s\')' % (bin_pid, bin_zip_path, job_dir)
self.output_check = CHECK_EVERY
matlab.run(cmd)
if not os.path.exists(tmp_file):
selflog('WARNING bin_blobs succeeded but no output file found at %s' % tmp_file)
elif not self.exists(bin_pid): # check to make sure another worker hasn't finished it in the meantime
selflog('DEPOSITING blob zip for %s to deposit service at %s' % (bin_pid, self.config.blob_deposit))
self.deposit.deposit(bin_pid,tmp_file)
selflog('DEPOSITED blob zip for %s ' % bin_pid)
else:
selflog('NOT SAVING - blobs for %s already present at output destination' % bin_pid)
except KeyboardInterrupt:
selflog('KeyboardInterrupt, exiting')
return DIE
except JobExit:
pass
finally:
try:
shutil.rmtree(job_dir)
selflog('DELETED temporary directory %s for %s' % (job_dir, bin_pid))
except:
selflog('WARNING cannot remove temporary directory %s for %s' % (job_dir, bin_pid))
try:
shutil.rmtree(zip_dir)
selflog('DELETED temporary directory %s for %s' % (zip_dir, bin_pid))
except:
selflog('WARNING cannot remove temporary directory %s for %s' % (zip_dir, bin_pid))
selflog('DONE - no more actions for %s' % bin_pid)