def get(self, location):
"""
Takes a `tank.store.location.Location` object that indicates
where to find the image file, and returns a tuple of generator
(for reading the image file) and image_size
:param location `tank.store.location.Location` object, supplied
from tank.store.location.get_location_from_uri()
:raises `tank.exception.NotFound` if image does not exist
"""
loc = location.store_location
chase_conn = self._make_chase_connection(
auth_url=loc.chase_auth_url, user=loc.user, key=loc.key)
try:
(resp_headers, resp_body) = chase_conn.get_object(
container=loc.container, obj=loc.obj,
resp_chunk_size=self.CHUNKSIZE)
except chase_client.ClientException, e:
if e.http_status == httplib.NOT_FOUND:
uri = location.get_store_uri()
raise exception.NotFound(_("Chase could not find image at "
"uri %(uri)s") % locals())
else:
raise
def get(self, location):
"""
Takes a `tank.store.location.Location` object that indicates
where to find the image file, and returns a tuple of generator
(for reading the image file) and image_size
:param location `tank.store.location.Location` object, supplied
from tank.store.location.get_location_from_uri()
:raises `tank.exception.NotFound` if image does not exist
"""
loc = location.store_location
chase_conn = self._make_chase_connection(auth_url=loc.chase_auth_url,
user=loc.user,
key=loc.key)
try:
(resp_headers,
resp_body) = chase_conn.get_object(container=loc.container,
obj=loc.obj,
resp_chunk_size=self.CHUNKSIZE)
except chase_client.ClientException, e:
if e.http_status == httplib.NOT_FOUND:
uri = location.get_store_uri()
raise exception.NotFound(
_("Chase could not find image at "
"uri %(uri)s") % locals())
else:
raise
# Delete all the chunks before the object manifest itself
obj_container, obj_prefix = manifest.split('/', 1)
for segment in chase_conn.get_container(obj_container,
prefix=obj_prefix)[1]:
# TODO(jaypipes): This would be an easy area to parallelize
# since we're simply sending off parallelizable requests
# to Chase to delete stuff. It's not like we're going to
# be hogging up network or file I/O here...
chase_conn.delete_object(obj_container, segment['name'])
else:
chase_conn.delete_object(loc.container, loc.obj)
except chase_client.ClientException, e:
if e.http_status == httplib.NOT_FOUND:
uri = location.get_store_uri()
raise exception.NotFound(_("Chase could not find image at "
"uri %(uri)s") % locals())
else:
raise
class ChunkReader(object):
def __init__(self, fd, checksum, total):
self.fd = fd
self.checksum = checksum
self.total = total
self.bytes_read = 0
def read(self, i):
left = self.total - self.bytes_read
# Delete all the chunks before the object manifest itself
obj_container, obj_prefix = manifest.split('/', 1)
for segment in chase_conn.get_container(obj_container,
prefix=obj_prefix)[1]:
# TODO(jaypipes): This would be an easy area to parallelize
# since we're simply sending off parallelizable requests
# to Chase to delete stuff. It's not like we're going to
# be hogging up network or file I/O here...
chase_conn.delete_object(obj_container, segment['name'])
else:
chase_conn.delete_object(loc.container, loc.obj)
except chase_client.ClientException, e:
if e.http_status == httplib.NOT_FOUND:
uri = location.get_store_uri()
raise exception.NotFound(
_("Chase could not find image at "
"uri %(uri)s") % locals())
else:
raise
class ChunkReader(object):
def __init__(self, fd, checksum, total):
self.fd = fd
self.checksum = checksum
self.total = total
self.bytes_read = 0
def read(self, i):
