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Fixed lockfile check when using a Docker read-only filesystem #3832

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merged 6 commits into from
Oct 26, 2022
Merged

Fixed lockfile check when using a Docker read-only filesystem #3832

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c7fa13e
Added OSError
jfennick Sep 16, 2022
41342f6
Check OSError errno
jfennick Sep 18, 2022
51e3b75
re-raise exception properly
jfennick Sep 18, 2022
186fbfe
Added to package/AUTHORS
jfennick Oct 26, 2022
f08e1c3
Merge branch 'develop' into develop
IAlibay Oct 26, 2022
5b5ec9d
Update CHANGELOG
IAlibay Oct 26, 2022
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13 changes: 8 additions & 5 deletions package/MDAnalysis/coordinates/XDR.py
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Original file line number Diff line number Diff line change
Expand Up @@ -197,11 +197,14 @@ def _load_offsets(self):
try:
with fasteners.InterProcessLock(lock_name) as filelock:
pass
except PermissionError:
warnings.warn(f"Cannot write lock/offset file in same location as "
"{self.filename}. Using slow offset calculation.")
self._read_offsets(store=True)
return
except OSError as e:
if isinstance(e, PermissionError) or e.errno == errno.EROFS:
warnings.warn(f"Cannot write lock/offset file in same location as "
"{self.filename}. Using slow offset calculation.")
self._read_offsets(store=True)
return
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else:
raise

with fasteners.InterProcessLock(lock_name) as filelock:
if not isfile(fname):
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