Mercurial > public > mercurial-scm > hg
comparison mercurial/revlog.py @ 39881:d63153611ed5
storageutil: extract revision number iteration
This code is a bit quirky (and possibly buggy). It will likely be used
by multiple storage backends. Let's extract it so it is reusable.
Differential Revision: https://phab.mercurial-scm.org/D4757
| author | Gregory Szorc <gregory.szorc@gmail.com> |
|---|---|
| date | Mon, 24 Sep 2018 15:19:52 -0700 |
| parents | d269ddbf54f0 |
| children | debc4ee597e7 |
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| 39880:1b65fb4d43d6 | 39881:d63153611ed5 |
|---|---|
| 513 return len(self.index) | 513 return len(self.index) |
| 514 def __iter__(self): | 514 def __iter__(self): |
| 515 return iter(pycompat.xrange(len(self))) | 515 return iter(pycompat.xrange(len(self))) |
| 516 def revs(self, start=0, stop=None): | 516 def revs(self, start=0, stop=None): |
| 517 """iterate over all rev in this revlog (from start to stop)""" | 517 """iterate over all rev in this revlog (from start to stop)""" |
| 518 step = 1 | 518 return storageutil.iterrevs(len(self), start=start, stop=stop) |
| 519 length = len(self) | |
| 520 if stop is not None: | |
| 521 if start > stop: | |
| 522 step = -1 | |
| 523 stop += step | |
| 524 if stop > length: | |
| 525 stop = length | |
| 526 else: | |
| 527 stop = length | |
| 528 return pycompat.xrange(start, stop, step) | |
| 529 | 519 |
| 530 @util.propertycache | 520 @util.propertycache |
| 531 def nodemap(self): | 521 def nodemap(self): |
| 532 if self.index: | 522 if self.index: |
| 533 # populate mapping down to the initial node | 523 # populate mapping down to the initial node |