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  • Committer: Robert Collins
  • Date: 2010-05-06 11:08:10 UTC
  • mto: This revision was merged to the branch mainline in revision 5223.
  • Revision ID: robertc@robertcollins.net-20100506110810-h3j07fh5gmw54s25
Cleaner matcher matching revised unlocking protocol.

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bzrlib/cleanup.py
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# Copyright (C) 2009 Canonical Ltd
 
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# Copyright (C) 2009, 2010 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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If you want to be certain that the first, and only the first, error is raised,
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then use::
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    operation = OperationWithCleanups(lambda operation: do_something())
 
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    operation = OperationWithCleanups(do_something)
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    operation.add_cleanup(cleanup_something)
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    operation.run()
 
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    operation.run_simple()
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This is more inconvenient (because you need to make every try block a
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function), but will ensure that the first error encountered is the one raised,