SafeLockedFileForRead

lsst.daf.butler.core.safeFileIo.SafeLockedFileForRead(name)

Context manager for reading a file that may be locked with an exclusive lock via SafeLockedFileForWrite.

This will first acquire a shared lock before returning the file. When the file is closed the shared lock will be unlocked.

Parameters:

name : string

The file name to be opened, may include path.

Yields:

file object

The file to be read from.