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  • Committer: Vincent Ladeuil
  • Date: 2010-01-25 17:48:22 UTC
  • mto: (4987.1.1 integration)
  • mto: This revision was merged to the branch mainline in revision 4988.
  • Revision ID: v.ladeuil+lp@free.fr-20100125174822-nce4l19sbwx83jvq
Deploying the new overrideAttr facility further reduces the complexity
and make the code clearer.

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bzrlib/cleanup.py
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# Copyright (C) 2009, 2010 Canonical Ltd
 
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# Copyright (C) 2009 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(do_something)
 
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    operation = OperationWithCleanups(lambda operation: do_something())
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    operation.add_cleanup(cleanup_something)
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    operation.run_simple()
 
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    operation.run()
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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,