提交 a898bb29 编写于 作者: C chenxuyi

fix muiti process download

上级 e731cd98
......@@ -21,7 +21,6 @@ import logging
from tqdm import tqdm
from pathlib import Path
import six
import paddle as P
import time
if six.PY2:
from pathlib2 import Path
......@@ -35,8 +34,6 @@ def _fetch_from_remote(url,
force_download=False,
cached_dir='~/.paddle-ernie-cache'):
import hashlib, tempfile, requests, tarfile
env = P.distributed.ParallelEnv()
sig = hashlib.md5(url.encode('utf8')).hexdigest()
cached_dir = Path(cached_dir).expanduser()
try:
......@@ -44,10 +41,13 @@ def _fetch_from_remote(url,
except OSError:
pass
cached_dir_model = cached_dir / sig
done_file = cached_dir_model / 'fetch_done'
if force_download or not done_file.exists():
if env.dev_id == 0:
cached_dir_model.mkdir()
from filelock import FileLock
with FileLock(str(cached_dir_model) + '.lock'):
donefile = cached_dir_model / 'done'
if (not force_download) and donefile.exists():
log.debug('%s cached in %s' % (url, cached_dir_model))
return cached_dir_model
cached_dir_model.mkdir(exist_ok=True)
tmpfile = cached_dir_model / 'tmp'
with tmpfile.open('wb') as f:
r = requests.get(url, stream=True)
......@@ -62,15 +62,10 @@ def _fetch_from_remote(url,
f.flush()
log.debug('extacting... to %s' % tmpfile)
with tarfile.open(tmpfile.as_posix()) as tf:
tf.extractall(path=cached_dir_model.as_posix())
tf.extractall(path=str(cached_dir_model))
donefile.touch()
os.remove(tmpfile.as_posix())
f = done_file.open('wb')
f.close()
else:
while not done_file.exists():
time.sleep(1)
log.debug('%s cached in %s' % (url, cached_dir))
return cached_dir_model
......
......@@ -6,4 +6,5 @@ sentencepiece==0.1.8
jieba==0.39
visualdl>=2.0.0b7
pathlib2>=2.3.2
filelock>=3.0.0
tqdm>=4.32.2
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