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Don't read upgrade progress file if size hasn't changed

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apparently that is possible sometimes?  or perhaps just an issue on python 3?
This commit is contained in:
Lance Edgar 2018-07-02 12:06:09 -05:00
parent 4c2f1aa4ed
commit 6febd01e76
1 changed files with 7 additions and 6 deletions
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tailbone/views/upgrades.py
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@ -343,6 +343,7 @@ class UpgradeView(MasterView):
offset = session.get('stdout.offset', 0) offset = session.get('stdout.offset', 0)
if os.path.exists(path): if os.path.exists(path):
size = os.path.getsize(path) - offset size = os.path.getsize(path) - offset
if size:
with open(path, 'rb') as f: with open(path, 'rb') as f:
f.seek(offset) f.seek(offset)
chunk = f.read(size) chunk = f.read(size)