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Add support for not raising error on downloaded files with 0 size

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This commit is contained in:
allegroai 2022-01-18 20:33:26 +02:00
parent 958628551f
commit fa95d041e2
2 changed files with 23 additions and 5 deletions
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2
clearml/storage/cache.py
View File

@ -52,7 +52,7 @@ class CacheManager(object):
# check if we need to cache the file
try:
# noinspection PyProtectedMember
direct_access = helper._driver.get_direct_access(remote_url)
direct_access = helper.get_driver_direct_access(remote_url)
except (OSError, ValueError):
LoggerRoot.get_base_logger().debug("Failed accessing local file: {}".format(remote_url))
return None

26
clearml/storage/helper.py
View File

@ -614,7 +614,15 @@ class StorageHelper(object):
else:
return [obj.name for obj in self._driver.list_container_objects(self._container)]
def download_to_file(self, remote_path, local_path, overwrite_existing=False, delete_on_failure=True, verbose=None):
def download_to_file(
self,
remote_path,
local_path,
overwrite_existing=False,
delete_on_failure=True,
verbose=None,
skip_zero_size_check=False
):
def next_chunk(astream):
if isinstance(astream, binary_type):
chunk = astream
@ -632,7 +640,7 @@ class StorageHelper(object):
verbose = self._verbose if verbose is None else verbose
# Check if driver type supports direct access:
direct_access_path = self._driver.get_direct_access(remote_path)
direct_access_path = self.get_driver_direct_access(remote_path)
if direct_access_path:
return direct_access_path
@ -702,7 +710,7 @@ class StorageHelper(object):
fd.write(data)
data, stream = next_chunk(stream)
if Path(temp_local_path).stat().st_size <= 0:
if not skip_zero_size_check and Path(temp_local_path).stat().st_size <= 0:
raise Exception('downloaded a 0-sized file')
# if we are on windows, we need to remove the target file before renaming
@ -725,7 +733,7 @@ class StorageHelper(object):
pass
# file was downloaded by a parallel process, check we have the final output and delete the partial copy
path_local_path = Path(local_path)
if not path_local_path.is_file() or path_local_path.stat().st_size <= 0:
if not path_local_path.is_file() or (not skip_zero_size_check and path_local_path.stat().st_size <= 0):
raise Exception('Failed renaming partial file, downloaded file exists and a 0-sized file')
# report download if we are on the second chunk
@ -808,6 +816,16 @@ class StorageHelper(object):
return None
return helper.download_to_file(remote_url, local_path, overwrite_existing=overwrite_existing)
def get_driver_direct_access(self, path):
"""
Check if the helper's driver has a direct access to the file
:param str path: file path to check access to
:return: Return the string representation of the file as path if have access to it, else None
"""
return self._driver.get_direct_access(path)
@classmethod
def _canonize_url(cls, url):
return cls._apply_url_substitutions(url)