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(jelmer) Use the absolute_import feature everywhere in bzrlib,
 and add a source test to make sure it's used everywhere. (Jelmer Vernooij)

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bzrlib/progress.py
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Progress indicators.
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The usual way to use this is via bzrlib.ui.ui_factory.nested_progress_bar which
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will manage a conceptual stack of nested activities.
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"""
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from __future__ import absolute_import
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import sys
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import time
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import os
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from bzrlib.symbol_versioning import (
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    deprecated_in,
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    deprecated_method,
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    )
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def _supports_progress(f):
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    """Detect if we can use pretty progress bars on file F.
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