Mercurial > public > mercurial-scm > hg-stable
comparison mercurial/util.py @ 35754:fb0be099063f
util: move 'readexactly' in the util module
This function is used in multiple place, having it in util would be better.
(existing caller will be migrated in another series)
| author | Boris Feld <boris.feld@octobus.net> |
|---|---|
| date | Fri, 19 Jan 2018 20:51:35 +0100 |
| parents | 72b91f905065 |
| children | 2384523cee4d |
comparison
equal
deleted
inserted
replaced
| 35753:069df0b952e8 | 35754:fb0be099063f |
|---|---|
| 3863 return fn | 3863 return fn |
| 3864 for n in itertools.count(1): | 3864 for n in itertools.count(1): |
| 3865 fn = '%s~%s~%s' % (f, tag, n) | 3865 fn = '%s~%s~%s' % (f, tag, n) |
| 3866 if fn not in ctx and fn not in others: | 3866 if fn not in ctx and fn not in others: |
| 3867 return fn | 3867 return fn |
| 3868 | |
| 3869 def readexactly(stream, n): | |
| 3870 '''read n bytes from stream.read and abort if less was available''' | |
| 3871 s = stream.read(n) | |
| 3872 if len(s) < n: | |
| 3873 raise error.Abort(_("stream ended unexpectedly" | |
| 3874 " (got %d bytes, expected %d)") | |
| 3875 % (len(s), n)) | |
| 3876 return s |