def get(self, path, local_path = None, num_threads = DEFAULT_NUMBER_OF_THREADS, **options):
"""
Get a reference to the data object at the specified `path'.
Only download the object if the local_path is a string (specifying
a path in the local filesystem to use as a destination file).
"""
parent = self.sess.collections.get(irods_dirname(path))
# TODO: optimize
if local_path:
self._download(path, local_path, num_threads = num_threads, **options)
query = self.sess.query(DataObject)\
.filter(DataObject.name == irods_basename(path))\
.filter(DataObject.collection_id == parent.id)\
.add_keyword(kw.ZONE_KW, path.split('/')[1])
if hasattr(self.sess,'ticket__'):
query = query.filter(Collection.id != 0) # a no-op, but necessary because CAT_SQL_ERR results if the ticket
# is for a DataObject and we don't explicitly join to Collection
results = query.all() # get up to max_rows replicas
if len(results) <= 0:
raise ex.DataObjectDoesNotExist()
return iRODSDataObject(self, parent, results)
def _check_object(self, object_name):
def _not_found():
result = Result(ObjectType.DATAOBJECT, object_name,
"", Status.NOT_FOUND, {})
self.formatter(result)
return
try:
collection = self.session.collections.get(
irods_dirname(object_name))
objects = self.session.query(DataObject, Collection.name).filter(
DataObject.name == irods_basename(object_name)).filter(
DataObject.collection_id == collection.id).all()
except (iexc.NoResultFound, iexc.CollectionDoesNotExist):
_not_found()
return
if len(objects) == 0:
_not_found()
return
results_found = False
for object in objects:
if self._is_local_resource(object[DataObject.resource_name]):
object_checker = ObjectChecker(object, object[DataObject.path])
result = object_checker.get_result()
results_found = True
if not results_found:
result = Result(ObjectType.DATAOBJECT, object_name,
"", Status.NO_LOCAL_REPLICA, {})
self.formatter(result)
def get(self, path, file=None, **options):
parent = self.sess.collections.get(irods_dirname(path))
# TODO: optimize
if file:
self._download(path, file, **options)
query = self.sess.query(DataObject)\
.filter(DataObject.name == irods_basename(path))\
.filter(DataObject.collection_id == parent.id)
results = query.all() # get up to max_rows replicas
if len(results) <= 0:
raise ex.DataObjectDoesNotExist()
return iRODSDataObject(self, parent, results)
def get(self, path, file=None, **options):
parent = self.sess.collections.get(irods_dirname(path))
# TODO: optimize
if file:
self._download(path, file, **options)
query = self.sess.query(DataObject)\
.filter(DataObject.name == irods_basename(path))\
.filter(DataObject.collection_id == parent.id)
results = query.all() # get up to max_rows replicas
if len(results) <= 0:
raise ex.DataObjectDoesNotExist()
return iRODSDataObject(self, parent, results)
def get(self, path, file=None, **options):
parent = self.sess.collections.get(irods_dirname(path))
# TODO: optimize
if file:
self._download(path, file, **options)
query = self.sess.query(DataObject)\
.filter(DataObject.name == irods_basename(path))\
.filter(DataObject.collection_id == parent.id)\
.add_keyword(kw.ZONE_KW, path.split('/')[1])
results = query.all() # get up to max_rows replicas
if len(results) <= 0:
raise ex.DataObjectDoesNotExist()
# workaround incompatibility of irodsclient-0.8.2 and iRODS server 3.x
for r in results:
if DataObject.resc_hier not in r:
r[DataObject.resc_hier] = None
return iRODSDataObject(self, parent, results)
def get(self,
path,
local_path=None,
num_threads=DEFAULT_NUMBER_OF_THREADS,
**options):
parent = self.sess.collections.get(irods_dirname(path))
# TODO: optimize
if local_path:
self._download(path,
local_path,
num_threads=num_threads,
**options)
query = self.sess.query(DataObject)\
.filter(DataObject.name == irods_basename(path))\
.filter(DataObject.collection_id == parent.id)\
.add_keyword(kw.ZONE_KW, path.split('/')[1])
results = query.all() # get up to max_rows replicas
if len(results) <= 0:
raise ex.DataObjectDoesNotExist()
return iRODSDataObject(self, parent, results)
def data_access_query(self, path):
cn = irods_dirname(path)
dn = irods_basename(path)
return self.sess.query(DataObject,
DataAccess).filter(Collection.name == cn,
DataObject.name == dn)