mxnet.recordio.MXRecordIO¶

class mxnet.recordio.MXRecordIO(uri, flag)[source]¶

Reads/writes RecordIO data format, supporting sequential read and write.

Examples

>>> record = mx.recordio.MXRecordIO('tmp.rec', 'w')
<mxnet.recordio.MXRecordIO object at 0x10ef40ed0>
>>> for i in range(5):
...    record.write('record_%d'%i)
>>> record.close()
>>> record = mx.recordio.MXRecordIO('tmp.rec', 'r')
>>> for i in range(5):
...    item = record.read()
...    print(item)
record_0
record_1
record_2
record_3
record_4
>>> record.close()

Parameters

uri (string) – Path to the record file.
flag (string) – ‘w’ for write or ‘r’ for read.

__init__(uri, flag)[source]¶: Initialize self. See help(type(self)) for accurate signature.

Methods

`__init__`(uri, flag)	Initialize self.
`close`()	Closes the record file.
`open`()	Opens the record file.
`read`()	Returns record as a string.
`reset`()	Resets the pointer to first item.
`write`(buf)	Inserts a string buffer as a record.