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bpo-22831: Use "with" to avoid possible fd leaks in tools (part 2). (GH-10927)

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Serhiy Storchaka 2019-03-30 08:33:02 +02:00 • committed by GitHub
parent afbb7a371f
commit 172bb39452
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27 changed files with 249 additions and 259 deletions
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47
Tools/scripts/rgrep.py
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@ -30,29 +30,30 @@ def main():
f = open(filename)
except IOError as msg:
usage("can't open %r: %s" % (filename, msg), 1)
f.seek(0, 2)
pos = f.tell()
leftover = None
while pos > 0:
size = min(pos, bufsize)
pos = pos - size
f.seek(pos)
buffer = f.read(size)
lines = buffer.split("\n")
del buffer
if leftover is None:
if not lines[-1]:
del lines[-1]
else:
lines[-1] = lines[-1] + leftover
if pos > 0:
leftover = lines[0]
del lines[0]
else:
leftover = None
for line in reversed(lines):
if prog.search(line):
print(line)
with f:
f.seek(0, 2)
pos = f.tell()
leftover = None
while pos > 0:
size = min(pos, bufsize)
pos = pos - size
f.seek(pos)
buffer = f.read(size)
lines = buffer.split("\n")
del buffer
if leftover is None:
if not lines[-1]:
del lines[-1]
else:
lines[-1] = lines[-1] + leftover
if pos > 0:
leftover = lines[0]
del lines[0]
else:
leftover = None
for line in reversed(lines):
if prog.search(line):
print(line)
def usage(msg, code=2):