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Viewing changes to bzrlib/revisiontree.py

terminal_width can now returns None.

* bzrlib/win32utils.py:
(get_console_size): Fix typo in comment.

* bzrlib/ui/text.py:
(TextProgressView._show_line): Handle the no terminal present case.

* bzrlib/tests/test_osutils.py:
(TestTerminalWidth): Update tests.

* bzrlib/tests/blackbox/test_too_much.py:
Fix some imports.
(OldTests.test_bzr): Handle the no terminal present case.

* bzrlib/tests/__init__.py:
(VerboseTestResult.report_test_start): Handle the no terminal
present case.

* bzrlib/status.py:
(show_pending_merges): Handle the no terminal present case.
(show_pending_merges.show_log_message): Factor out some
code. Handle the no terminal present case.

* bzrlib/osutils.py:
(terminal_width): Return None if no precise value can be found.

* bzrlib/log.py:
(LineLogFormatter.__init__): Handle the no terminal present case.
(LineLogFormatter.truncate): Accept None as max_len meaning no
truncation.
(LineLogFormatter.log_string): 

* bzrlib/help.py:
(_help_commands_to_text): Handle the no terminal present case.

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bzrlib/revisiontree.py
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# Copyright (C) 2006-2010 Canonical Ltd
 
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# Copyright (C) 2005, 2007 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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from bzrlib import (
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    errors,
 
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    osutils,
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    revision,
 
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    symbol_versioning,
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    tree,
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    )
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    def get_file_mtime(self, file_id, path=None):
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        ie = self._inventory[file_id]
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        try:
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            revision = self._repository.get_revision(ie.revision)
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        except errors.NoSuchRevision:
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            raise errors.FileTimestampUnavailable(self.id2path(file_id))
 
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        revision = self._repository.get_revision(ie.revision)
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        return revision.timestamp
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    def is_executable(self, file_id, path=None):
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        return set(self._repository.get_ancestry(self._revision_id,
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                                                 topo_sorted=False))
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    def is_locked(self):
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        return self._repository.is_locked()
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    def lock_read(self):
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        self._repository.lock_read()
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        return self
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    def __repr__(self):
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        return '<%s instance at %x, rev_id=%r>' % (