`astropy.utils.decorators:_mmap_available`

source: /astropy/utils/decorators.py

Summary

Tests that mmap, and specifically mmap.flush works. This may be the case on some uncommon platforms (see https://github.com/astropy/astropy/issues/968).

Extended Summary

If mmap.flush is found not to work, self.memmap = False is set and a warning is issued.

Aliases

astropy.io.fits.convenience._File._mmap_available