open_file

Function

with is used to call open_file to open a file in read-only mode and return the corresponding _ReadableFileWrapper instance. The instance provides the read() and close() methods.

• read: reads file content.

  read(self, offset=0, count=-1)

  Parameter	Mandatory/Optional	Description	Value
  offset	Optional	Offset of the file to be read. count + offset ≤ file_size	[0, file_size)
  count	Optional	Size of the file to be read. count + offset ≤ file_size	-1: Read the entire file. (0, file_size]

• close: closes a file.
  This method is automatically called when with exits the context.

  close(self)

Format

mindio_acp.open_file(path: str)

Parameters

Usage Example

>>> with mindio_acp.open_file('/mnt/dpc01/checkpoint/rank-0.pt') as f:
...     read_data = f.read()

Return Value

_ReadableFileWrapper instance.

For details, see MindSpore documentation.