Mercurial > hgrepos > Python > apps > py-cutils

comparison shasum.py @ 57:0fa2067bedb8

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Common initialization is now common when computing the hashes from a mmap
author Franz Glasner <f.glasner@feldmann-mg.com>
date Tue, 08 Feb 2022 17:13:15 +0100
parents 6e91c530545f
children ae5b31c10b41
comparison
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56:6e91c530545f 57:0fa2067bedb8
482 h.update(buf) 482 h.update(buf)
483 else: 483 else:
484 # mmap 484 # mmap
485 if filesize < MAP_CHUNK_SIZE: 485 if filesize < MAP_CHUNK_SIZE:
486 mapsize = filesize 486 mapsize = filesize
487 mapoffset = 0
488 else: 487 else:
489 mapsize = MAP_CHUNK_SIZE 488 mapsize = MAP_CHUNK_SIZE
490 mapoffset = 0 489 mapoffset = 0
491 rest = filesize 490 rest = filesize
492 while rest > 0: 491 while rest > 0:
493 m = mmap.mmap(fd, 492 m = mmap.mmap(fd,
494 mapsize, 493 mapsize,
495 access=mmap.ACCESS_READ, 494 access=mmap.ACCESS_READ,