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comparison mercurial/util.py @ 52116:82e2c99c84f3

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cachestat: avoid creating cachestat for http path The statichttprepo repo attemp to create cachestat for content we access through http. We modify the couple of place create cachestat object to detect this situation and avoids it. This is not marvelous, but there is few of them and the freeze is looming. This helps on Windows where calling cachestat on http path might create issues.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Sat, 26 Oct 2024 01:38:20 +0200
parents fa7059f031a9
children fca7d38e040b
comparison
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52115:720d9849dcf9 52116:82e2c99c84f3
510 # Empty files cannot be mmapped, but mmapread should still work. Check 510 # Empty files cannot be mmapped, but mmapread should still work. Check
511 # if the file is empty, and if so, return an empty buffer. 511 # if the file is empty, and if so, return an empty buffer.
512 if os.fstat(fd).st_size == 0: 512 if os.fstat(fd).st_size == 0:
513 return b'' 513 return b''
514 raise 514 raise
515
516
517 class uncacheable_cachestat:
518 stat: Optional[os.stat_result]
519
520 def __init__(self) -> None:
521 self.stat = None
522
523 def cacheable(self) -> bool:
524 return False
515 525
516 526
517 class fileobjectproxy: 527 class fileobjectproxy:
518 """A proxy around file objects that tells a watcher when events occur. 528 """A proxy around file objects that tells a watcher when events occur.
519 529