Mercurial > hg-stable

changeset 2393:5083cba2a777

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dirstate: refactor the dirstate binary format, remove magic numbers
author Benoit Boissinot <benoit.boissinot@ens-lyon.org>
date Sun, 04 Jun 2006 02:25:27 +0200
parents 8238a3f039e6
children a8f1049d1d2d
files mercurial/dirstate.py
diffstat 1 files changed, 6 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- a/mercurial/dirstate.py	Fri Jun 02 08:25:02 2006 -0700
+++ b/mercurial/dirstate.py	Sun Jun 04 02:25:27 2006 +0200
@@ -14,6 +14,8 @@
 demandload(globals(), "time bisect stat util re errno")
 
 class dirstate(object):
+    format = ">cllll"
+
     def __init__(self, opener, ui, root):
         self.opener = opener
         self.root = root
@@ -164,10 +166,11 @@
         self.pl = [st[:20], st[20: 40]]
 
         pos = 40
+        e_size = struct.calcsize(self.format)
         while pos < len(st):
-            e = struct.unpack(">cllll", st[pos:pos+17])
+            e = struct.unpack(self.format, st[pos:pos+e_size])
             l = e[4]
-            pos += 17
+            pos += e_size
             f = st[pos:pos + l]
             if '\0' in f:
                 f, c = f.split('\0')
@@ -241,7 +244,7 @@
             c = self.copied(f)
             if c:
                 f = f + "\0" + c
-            e = struct.pack(">cllll", e[0], e[1], e[2], e[3], len(f))
+            e = struct.pack(self.format, e[0], e[1], e[2], e[3], len(f))
             st.write(e + f)
         self.dirty = 0