[Zodb-checkins] SVN: ZODB/trunk/src/ZODB/FileStorage/FileStorage.py
Optimizations
Dmitry Vasiliev
dima at hlabs.spb.ru
Tue Oct 12 09:43:08 EDT 2004
Log message for revision 28003:
Optimizations
Changed:
U ZODB/trunk/src/ZODB/FileStorage/FileStorage.py
-=-
Modified: ZODB/trunk/src/ZODB/FileStorage/FileStorage.py
===================================================================
--- ZODB/trunk/src/ZODB/FileStorage/FileStorage.py 2004-10-12 13:18:48 UTC (rev 28002)
+++ ZODB/trunk/src/ZODB/FileStorage/FileStorage.py 2004-10-12 13:43:07 UTC (rev 28003)
@@ -1801,9 +1801,12 @@
def _skip_to_start(self, start):
# Scan through the transaction records doing almost no sanity
# checks.
+ file = self._file
+ read = file.read
+ seek = file.seek
while 1:
- self._file.seek(self._pos)
- h = self._file.read(16)
+ seek(self._pos)
+ h = read(16)
if len(h) < 16:
return
tid, stl = unpack(">8s8s", h)
@@ -1816,13 +1819,12 @@
self._pos = long(self._pos) + tl + 8
if __debug__:
# Sanity check
- self._file.seek(self._pos - 8, 0)
- rtl = self._file.read(8)
+ seek(self._pos - 8, 0)
+ rtl = read(8)
if rtl != stl:
- pos = self._file.tell() - 8
+ pos = file.tell() - 8
panic("%s has inconsistent transaction length at %s "
- "(%s != %s)",
- self._file.name, pos, u64(rtl), u64(stl))
+ "(%s != %s)", file.name, pos, u64(rtl), u64(stl))
def next(self, index=0):
if self._file is None:
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