Mercurial > hg > mercurial-crew-with-dirclash
comparison mercurial/filelog.py @ 2579:0875cda033fd
use __contains__, index or split instead of str.find
str.find return -1 when the substring is not found, -1 evaluate
to True and is a valid index, which can lead to bugs.
Using alternatives when possible makes the code clearer and less
prone to bugs. (and __contains__ is faster in microbenchmarks)
| author | Benoit Boissinot <benoit.boissinot@ens-lyon.org> |
|---|---|
| date | Sun, 09 Jul 2006 01:30:30 +0200 |
| parents | fe1689273f84 |
| children | 345bac2bc4ec |
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| 2578:cf4f0322851d | 2579:0875cda033fd |
|---|---|
| 32 | 32 |
| 33 def read(self, node): | 33 def read(self, node): |
| 34 t = self.revision(node) | 34 t = self.revision(node) |
| 35 if not t.startswith('\1\n'): | 35 if not t.startswith('\1\n'): |
| 36 return t | 36 return t |
| 37 s = t.find('\1\n', 2) | 37 s = t.index('\1\n', 2) |
| 38 return t[s+2:] | 38 return t[s+2:] |
| 39 | 39 |
| 40 def readmeta(self, node): | 40 def readmeta(self, node): |
| 41 t = self.revision(node) | 41 t = self.revision(node) |
| 42 if not t.startswith('\1\n'): | 42 if not t.startswith('\1\n'): |
| 43 return {} | 43 return {} |
| 44 s = t.find('\1\n', 2) | 44 s = t.index('\1\n', 2) |
| 45 mt = t[2:s] | 45 mt = t[2:s] |
| 46 m = {} | 46 m = {} |
| 47 for l in mt.splitlines(): | 47 for l in mt.splitlines(): |
| 48 k, v = l.split(": ", 1) | 48 k, v = l.split(": ", 1) |
| 49 m[k] = v | 49 m[k] = v |