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Merge pull request #20 from Ernest0x/empty_segment_fix

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Consider segment incomplete if segment file is empty or too small
This commit is contained in:
Jonas Borgström 2013-12-31 04:59:59 -08:00
commit 57dfe372f6
1 changed files with 8 additions and 1 deletions
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9
attic/repository.py
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@ -1,5 +1,6 @@
from configparser import RawConfigParser from configparser import RawConfigParser
from binascii import hexlify from binascii import hexlify
import errno
import os import os
import re import re
import shutil import shutil
@ -314,7 +315,13 @@ def cleanup(self):
def is_complete_segment(self, filename): def is_complete_segment(self, filename):
with open(filename, 'rb') as fd: with open(filename, 'rb') as fd:
fd.seek(-self.header_fmt.size, 2) try:
fd.seek(-self.header_fmt.size, os.SEEK_END)
except Exception as e:
# return False if segment file is empty or too small
if e.errno == errno.EINVAL:
return False
raise e
return fd.read(self.header_fmt.size) == self.COMMIT return fd.read(self.header_fmt.size) == self.COMMIT
def segment_filename(self, segment): def segment_filename(self, segment):