Blocked revisions 76782 via svnmerge

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  r76782 | lars.gustaebel | 2009-12-13 12:42:29 +0100 (Sun, 13 Dec 2009) | 28 lines

  Merged revisions 76780 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r76780 | lars.gustaebel | 2009-12-13 12:32:27 +0100 (Sun, 13 Dec 2009) | 21 lines

    Issue #7357: No longer suppress fatal extraction errors by
    default.

    TarFile's errorlevel argument controls how errors are
    handled that occur during extraction. There are three
    possible levels 0, 1 and 2. If errorlevel is set to 1 or 2
    fatal errors (e.g. a full filesystem) are raised as
    exceptions. If it is set to 0, which is the default value,
    extraction errors are suppressed, and error messages are
    written to the debug log instead. But, if the debug log is
    not activated, which is the default as well, all these
    errors go unnoticed.

    The original intention was to imitate GNU tar which tries
    to extract as many members as possible instead of stopping
    on the first error. It turns out that this is no good
    default behaviour for a tar library. This patch simply
    changes the default value for the errorlevel argument from
    0 to 1, so that fatal extraction errors are raised as
    EnvironmentError exceptions.
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