def _validate_transfer(self, src, dest):
src_valid, abs_src = self._validate_external_path(src)
dest_valid, dest = self._validate_path(dest)
if not src_valid or not os.path.exists(abs_src) or self.exists(src):
return (False, u'Invalid transfer source directory %s' % src)
if not dest_valid:
return (False, u'Invalid transfer destination directory %s' % dest)
base_path = self.base_paths[-1]
abs_dest = os.path.abspath(os.path.join(base_path, dest))
real_dst = abs_dest
if os.path.isdir(abs_dest):
real_dst = os.path.join(abs_dest, asyncfs.basename(abs_src))
if os.path.exists(real_dst):
return (False,
'Destination path "%s" already exists' % real_dst)
for entry in yielding_checked_fnwalk(abs_src, lambda p: True):
path = entry.path
path = os.path.relpath(path, abs_src)
dest_path = os.path.abspath(os.path.join(real_dst, path))
if len(to_bytes(dest_path)) > self.PATH_LEN_LIMIT:
msg = '%s exceeds path length limit' % dest_path
return (False, msg)
return (True, None)
def transfer(self, src, dest):
success, msg = self._validate_transfer(src, dest)
if not success:
return (success, msg)
abs_src = os.path.abspath(src)
# Assume that the last mentioned path is expected destination
base_path = self.base_paths[-1]
abs_dest = os.path.abspath(os.path.join(base_path, dest))
logging.debug('Transferring content from "%s" to "%s"' % (abs_src,
abs_dest))
real_dst = abs_dest
if os.path.isdir(real_dst):
real_dst = os.path.join(real_dst, asyncfs.basename(abs_src))
try:
asyncfs.move(abs_src, abs_dest)
except (asyncfs.Error, IOError) as e:
logging.error('Error while transfering content: %s' % str(e))
success = False
msg = str(e)
# Find the deepest parent in hierarchy which has been indexed
path = os.path.relpath(real_dst, base_path)
path = self._deepest_indexed_parent(path)
logging.debug('Indexing %s' % path)
self._update_db_async(path)
return (success, msg)