Mercurial > public > mercurial-scm > hg-stable

comparison mercurial/revlog.py @ 469:e205194ca7ef

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Various node id lookup tweaks -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Various node id lookup tweaks - - lookup of nullid with lazymap fixed - - do the Pythonic thing with negative rev numbers (-1 == tip) - - bound ranges on rev numbers - - catch exceptions more correctly - - restrict node id matching to beginning of string on manifest hash: 15918cb74f41ac4bbf8bf02bc3bb599f24f0b5b8 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) iD8DBQFCvQzDywK+sNU5EO8RAnKfAJ4vzXnrGmRwOlPqNQFxxrUKchzAzQCcDkbi g3T3KiiVUckrWpziGq67YUE= =vrSU -----END PGP SIGNATURE-----
author mpm@selenic.com
date Fri, 24 Jun 2005 23:50:27 -0800
parents c9d134165392
children 0a338d506268 934279f3ca53
comparison
equal deleted inserted replaced
468:157675add351 469:e205194ca7ef
96 self.p.load(pos) 96 self.p.load(pos)
97 def __contains__(self, key): 97 def __contains__(self, key):
98 self.p.load() 98 self.p.load()
99 return key in self.p.map 99 return key in self.p.map
100 def __iter__(self): 100 def __iter__(self):
101 yield nullid
101 for i in xrange(self.p.l): 102 for i in xrange(self.p.l):
102 try: 103 try:
103 yield self.p.index[i][6] 104 yield self.p.index[i][6]
104 except: 105 except:
105 self.p.load(i) 106 self.p.load(i)
190 return c 191 return c
191 192
192 def lookup(self, id): 193 def lookup(self, id):
193 try: 194 try:
194 rev = int(id) 195 rev = int(id)
195 if str(rev) != id: raise "mismatch" 196 if str(rev) != id: raise ValueError
197 if rev < 0: rev = self.count() + rev
198 if rev < 0 or rev >= self.count: raise ValueError
196 return self.node(rev) 199 return self.node(rev)
197 except: 200 except (ValueError, OverflowError):
198 c = [] 201 c = []
199 for n in self.nodemap: 202 for n in self.nodemap:
200 if id in hex(n): 203 if hex(n).startswith(id):
201 c.append(n) 204 c.append(n)
202 if len(c) > 1: raise KeyError("Ambiguous identifier") 205 if len(c) > 1: raise KeyError("Ambiguous identifier")
203 if len(c) < 1: raise KeyError("No match found") 206 if len(c) < 1: raise KeyError("No match found")
204 return c[0] 207 return c[0]
205 208