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try mmap first

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This commit is contained in:
Z. Liu 2015-11-27 21:48:57 +08:00
parent 8aa4f2053e
commit 91a20c07a1
1 changed files with 2 additions and 2 deletions
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4
salt/modules/file.py
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@ -1429,12 +1429,12 @@ def replace(path,
with salt.utils.fopen(path,
mode='rb',
buffering=bufsize) as r_file:
if filesize is not 0:
try:
# mmap throws a ValueError if the file is empty.
r_data = mmap.mmap(r_file.fileno(),
0,
access=mmap.ACCESS_READ)
else:
except ValueError:
# size of file in /proc is 0, but contains data
r_data = "".join(r_file)
if search_only: