def _read_files(fns, prev_hashes, hdfs_output, output_format, max_record_size):
"""
Args:
fns: Iterator of file names
prev_hashes: Set of hashes (they will be skipped), this is used to make
the data unique
Yields:
Tuple of (data_hash, data) where data_hash is a sha1 hash
"""
for fn in fns:
sha1_hash = _sha1(fn)
if sha1_hash not in prev_hashes:
prev_hashes.add(sha1_hash)
if output_format == 'record' and max_record_size is not None and max_record_size < os.stat(fn)[6]:
# Put the file into the remote location
hdfs_path = hadoopy.abspath('%s/_blobs/%s_%s' % (hdfs_output, sha1_hash, os.path.basename(fn)))
data = ''
hadoopy.put(fn, hdfs_path)
else:
hdfs_path = ''
data = open(fn).read()
if output_format == 'kv':
yield sha1_hash, data
elif output_format == 'record':
out = {'sha1': sha1_hash, 'full_path': fn,
'extension': os.path.splitext(fn)[1][1:]}
if data:
out['data'] = data
if hdfs_path:
out['hdfs_path'] = hdfs_path
yield sha1_hash, out
def hdfs_temp(hdfs_temp_dir=None):
if hdfs_temp_dir is None:
hdfs_temp_dir = HDFS_TEMP_DIR
temp_path = hadoopy.abspath('%s/%f-%f' % (hdfs_temp_dir, time.time(), random.random()))
yield temp_path
if hadoopy.exists(temp_path):
hadoopy.rmr(temp_path)
def _run_wc(self, orig_fn, launcher=hadoopy.launch_frozen):
fn = 'out-%f-%s' % (time.time(), orig_fn)
in_path = self.data_path + fn
out_path = self.data_path + fn + '.out'
print(os.path.abspath('.'))
hadoopy.put(orig_fn, in_path)
# We also do a few hdfs checks here
self.assertEquals(len(hadoopy.ls(in_path)), 1)
self.assertEquals(hadoopy.ls(in_path), [hadoopy.abspath(in_path)])
self.assertTrue(hadoopy.exists(in_path))
self.assertFalse(hadoopy.exists(out_path))
self.assertFalse(hadoopy.isdir(in_path))
self.assertFalse(hadoopy.isempty(in_path))
# Don't let the file split, CDH3 has a bug and will try to split gz's
launcher(in_path, out_path, 'wc.py', jobconfs=['mapred.min.split.size=100000000',
'mapreduce.task.userlog.limit.kb=1000'])
if launcher == hadoopy.launch_frozen:
self.assertTrue(hadoopy.isdir(out_path))
self.assertTrue(hadoopy.isempty(out_path)) # Dirs are always empty
elif launcher == hadoopy.launch_local:
self.assertFalse(hadoopy.isdir(out_path))
self.assertFalse(hadoopy.isempty(out_path))
else:
raise ValueError('Launcher not recognized')
wc = dict(hadoopy.readtb(out_path))
self.assertEqual(wc['the'], 1664)
self.assertEqual(wc['Alice'], 221)
def test_err(self):
nonsense_path = 'sdfskjdfksjdkfjskdfksjdfksdkfjskdjfksjdk'
self.assertFalse(hadoopy.exists(nonsense_path))
self.assertEquals(
hadoopy.abspath(nonsense_path).rsplit('/')[-1], nonsense_path)
self.assertRaises(IOError, hadoopy.ls, nonsense_path)
self.assertRaises(IOError, hadoopy.readtb(nonsense_path).next)
def _run_wc(self, orig_fn, script_name="wc.py", launcher=hadoopy.launch_frozen, **kw):
fn = "out-%f-%s" % (time.time(), orig_fn)
in_path = self.data_path + fn
out_path = self.data_path + fn + ".out"
print(os.path.abspath("."))
if not hadoopy.exists(in_path):
hadoopy.put(orig_fn, in_path)
# We also do a few hdfs checks here
self.assertEquals(len(hadoopy.ls(in_path)), 1)
self.assertEquals(hadoopy.ls(in_path), [hadoopy.abspath(in_path)])
self.assertTrue(hadoopy.exists(in_path))
self.assertFalse(hadoopy.exists(out_path))
self.assertFalse(hadoopy.isdir(in_path))
self.assertFalse(hadoopy.isempty(in_path))
# Don't let the file split, CDH3 has a bug and will try to split gz's
if not isinstance(launcher, str):
launcher(
in_path,
out_path,
script_name,
jobconfs=["mapred.min.split.size=100000000", "mapreduce.task.userlog.limit.kb=1000"],
**kw
)
if launcher == hadoopy.launch_frozen:
self.assertTrue(hadoopy.isdir(out_path))
self.assertTrue(hadoopy.isempty(out_path)) # Dirs are always empty
elif launcher == hadoopy.launch_local:
self.assertFalse(hadoopy.isdir(out_path))
self.assertFalse(hadoopy.isempty(out_path))
elif launcher == "launch_frozen_cmd":
cmd = (
'python %s launch_frozen %s %s -jobconf "mapred.min.split.size=100000000" -jobconf "mapreduce.task.userlog.limit.kb=1000"'
% (script_name, in_path, out_path)
)
print(cmd)
subprocess.call(cmd.split())
self.assertTrue(hadoopy.isdir(out_path))
self.assertTrue(hadoopy.isempty(out_path)) # Dirs are always empty
else:
raise ValueError("Launcher not recognized")
wc = dict(hadoopy.readtb(out_path))
self.assertEqual(wc["the"], 1664)
self.assertEqual(wc["Alice"], 221)
def exemplar_boxes(hdfs_input, hdfs_output):
exemplar_name = 'ad813d130f4803e948124823a67cdd7b-[0.0, 0.16326530612244897, 0.3448275862068966, 0.5714285714285714]'
st = time.time()
exemplar_out = hadoopy.abspath(hdfs_output + 'exemplar_boxes/%s' % st) + '/'
for kv in hadoopy.readtb(hdfs_output + 'exemplars-2'):
(image_id, box, score), _ = kv
if exemplar_name == '%s-%s' % (image_id, box):
print('Found it')
with open('exemplars-patch.pkl', 'w') as fp:
pickle.dump([kv], fp, -1)
hadoopy.launch_frozen(hdfs_input + '1-v', exemplar_out + 'val_pos', 'hard_predictions.py', cmdenvs=['EXEMPLARS=exemplars-patch.pkl', 'MAX_HARD=100', 'OUTPUT_FORMAT=score_image_box'], files=['exemplars-patch.pkl'],
num_reducers=10)
hadoopy.launch_frozen(hdfs_input + '0-v', exemplar_out + 'val_neg', 'hard_predictions.py', cmdenvs=['EXEMPLARS=exemplars-patch.pkl', 'MAX_HARD=100', 'OUTPUT_FORMAT=score_image_box'], files=['exemplars-patch.pkl'],
num_reducers=10)
with open('image_box_fns.pkl', 'w') as fp:
image_box_fns = {}
pos_boxes = [(score, image_id, box, 1) for score, image_id, box in sorted(hadoopy.readtb(exemplar_out + 'val_pos').next()[1])]
neg_boxes = [(score, image_id, box, 0) for score, image_id, box in sorted(hadoopy.readtb(exemplar_out + 'val_neg').next()[1])]
for num, (score, image_id, box, pol) in enumerate(sorted(pos_boxes + neg_boxes, reverse=True)):
image_box_fns.setdefault(image_id, []).append((box, 'exemplar-%.5d-%d-%f.png' % (num, pol, score)))
pickle.dump(image_box_fns, fp, -1)
hadoopy.launch_frozen([hdfs_input + '1-v', hdfs_input + '0-v'], exemplar_out + 'boxes_cropped', 'clip_boxes.py', files=['image_box_fns.pkl'], remove_output=True, cmdenvs={'TYPE': 'image'})
out_dir = 'exemplars_similar_cropped/'
try:
shutil.rmtree('exemplars_similar_cropped')
except OSError:
pass
print('Outputting cropped')
os.makedirs(out_dir)
print(exemplar_out + 'boxes_cropped')
for x, y in hadoopy.readtb(exemplar_out + 'boxes_cropped'):
open(out_dir + x, 'w').write(y)
hadoopy.launch_frozen([hdfs_input + '1-v', hdfs_input + '0-v'], exemplar_out + 'boxes', 'clip_boxes.py', files=['image_box_fns.pkl'], remove_output=True, cmdenvs={'TYPE': 'box'})
out_dir = 'exemplars_similar/'
try:
shutil.rmtree('exemplars_similar')
except OSError:
pass
print('Outputting boxes')
os.makedirs(out_dir)
for x, y in hadoopy.readtb(exemplar_out + 'boxes'):
open(out_dir + x, 'w').write(y)
def exemplar_boxes(hdfs_input, hdfs_output):
exemplar_name = 'ad813d130f4803e948124823a67cdd7b-[0.0, 0.16326530612244897, 0.3448275862068966, 0.5714285714285714]'
st = time.time()
exemplar_out = hadoopy.abspath(hdfs_output +
'exemplar_boxes/%s' % st) + '/'
for kv in hadoopy.readtb(hdfs_output + 'exemplars-2'):
(image_id, box, score), _ = kv
if exemplar_name == '%s-%s' % (image_id, box):
print('Found it')
with open('exemplars-patch.pkl', 'w') as fp:
pickle.dump([kv], fp, -1)
hadoopy.launch_frozen(hdfs_input + '1-v',
exemplar_out + 'val_pos',
'hard_predictions.py',
cmdenvs=[
'EXEMPLARS=exemplars-patch.pkl', 'MAX_HARD=100',
'OUTPUT_FORMAT=score_image_box'
],
files=['exemplars-patch.pkl'],
num_reducers=10)
hadoopy.launch_frozen(hdfs_input + '0-v',
exemplar_out + 'val_neg',
'hard_predictions.py',
cmdenvs=[
'EXEMPLARS=exemplars-patch.pkl', 'MAX_HARD=100',
'OUTPUT_FORMAT=score_image_box'
],
files=['exemplars-patch.pkl'],
num_reducers=10)
with open('image_box_fns.pkl', 'w') as fp:
image_box_fns = {}
pos_boxes = [(score, image_id, box, 1)
for score, image_id, box in sorted(
hadoopy.readtb(exemplar_out + 'val_pos').next()[1])]
neg_boxes = [(score, image_id, box, 0)
for score, image_id, box in sorted(
hadoopy.readtb(exemplar_out + 'val_neg').next()[1])]
for num, (score, image_id, box,
pol) in enumerate(sorted(pos_boxes + neg_boxes,
reverse=True)):
image_box_fns.setdefault(image_id, []).append(
(box, 'exemplar-%.5d-%d-%f.png' % (num, pol, score)))
pickle.dump(image_box_fns, fp, -1)
hadoopy.launch_frozen([hdfs_input + '1-v', hdfs_input + '0-v'],
exemplar_out + 'boxes_cropped',
'clip_boxes.py',
files=['image_box_fns.pkl'],
remove_output=True,
cmdenvs={'TYPE': 'image'})
out_dir = 'exemplars_similar_cropped/'
try:
shutil.rmtree('exemplars_similar_cropped')
except OSError:
pass
print('Outputting cropped')
os.makedirs(out_dir)
print(exemplar_out + 'boxes_cropped')
for x, y in hadoopy.readtb(exemplar_out + 'boxes_cropped'):
open(out_dir + x, 'w').write(y)
hadoopy.launch_frozen([hdfs_input + '1-v', hdfs_input + '0-v'],
exemplar_out + 'boxes',
'clip_boxes.py',
files=['image_box_fns.pkl'],
remove_output=True,
cmdenvs={'TYPE': 'box'})
out_dir = 'exemplars_similar/'
try:
shutil.rmtree('exemplars_similar')
except OSError:
pass
print('Outputting boxes')
os.makedirs(out_dir)
for x, y in hadoopy.readtb(exemplar_out + 'boxes'):
open(out_dir + x, 'w').write(y)
def test_err(self):
nonsense_path = "sdfskjdfksjdkfjskdfksjdfksdkfjskdjfksjdk"
self.assertFalse(hadoopy.exists(nonsense_path))
self.assertEquals(hadoopy.abspath(nonsense_path).rsplit("/")[-1], nonsense_path)
self.assertRaises(IOError, hadoopy.ls, nonsense_path)
self.assertRaises(IOError, hadoopy.readtb(nonsense_path).next)
def canonicalize_path(path):
import hadoopy
return hadoopy.abspath(path)
