pyarrow.memory_map

pyarrow.memory_map(path, mode=u'r')

Open memory map at file path. Size of the memory map cannot change

Parameters:

• path (string) –
• mode ({'r', 'r+', 'w'}, default 'r') – Whether the file is opened for reading (‘r+’), writing (‘w’) or both (‘r+’).

Returns:

mmap (MemoryMappedFile)