def read_file(self, desc, size=-1, buffer=None):
if size < 0:
size = len(buffer)
elif buffer is not None:
size = min(size, len(buffer))
message_body = OpenedDataObjRequest(l1descInx=desc,
len=size,
whence=0,
oprType=0,
offset=0,
bytesWritten=0,
KeyValPair_PI=StringStringMap())
message = iRODSMessage('RODS_API_REQ',
msg=message_body,
int_info=api_number['DATA_OBJ_READ_AN'])
logger.debug(desc)
self.send(message)
if buffer is None:
response = self.recv()
else:
response = self.recv_into(buffer)
return response.bs
def close_file(self, desc):
message_body = OpenedDataObjRequest(l1descInx=desc,
len=0,
whence=0,
oprType=0,
offset=0,
bytesWritten=0,
KeyValPair_PI=StringStringMap())
message = iRODSMessage('RODS_API_REQ',
msg=message_body,
int_info=api_number['DATA_OBJ_CLOSE_AN'])
self.send(message)
response = self.recv()
def write_file(self, desc, string):
message_body = OpenedDataObjRequest(l1descInx=desc,
len=len(string),
whence=0,
oprType=0,
offset=0,
bytesWritten=0,
KeyValPair_PI=StringStringMap())
message = iRODSMessage('RODS_API_REQ',
msg=message_body,
bs=string,
int_info=api_number['DATA_OBJ_WRITE_AN'])
self.send(message)
response = self.recv()
return response.int_info
def seek_file(self, desc, offset, whence):
message_body = OpenedDataObjRequest(l1descInx=desc,
len=0,
whence=whence,
oprType=0,
offset=offset,
bytesWritten=0,
KeyValPair_PI=StringStringMap())
message = iRODSMessage('RODS_API_REQ',
msg=message_body,
int_info=api_number['DATA_OBJ_LSEEK_AN'])
self.send(message)
response = self.recv()
offset = response.get_main_message(FileSeekResponse).offset
return offset
def read_file(self, desc, size):
message_body = OpenedDataObjRequest(l1descInx=desc,
len=size,
whence=0,
oprType=0,
offset=0,
bytesWritten=0,
KeyValPair_PI=StringStringMap())
message = iRODSMessage('RODS_API_REQ',
msg=message_body,
int_info=api_number['DATA_OBJ_READ_AN'])
logger.debug(desc)
self.send(message)
response = self.recv()
return response.bs