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# Copyright (C) 2005, 2008, 2009 Canonical Ltd
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# Copyright (C) 2005-2010 Canonical Ltd
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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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self.stderr = stderr
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# paints progress, network activity, etc
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self._progress_view = self.make_progress_view()
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# hook up the signals to watch for terminal size changes
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def be_quiet(self, state):
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if state and not self._quiet:
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UIFactory.be_quiet(self, state)
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self._progress_view = self.make_progress_view()
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def clear_term(self):
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"""Prepare the terminal for output.
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def make_progress_view(self):
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"""Construct and return a new ProgressView subclass for this UI.
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# if the user specifically requests either text or no progress bars,
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# always do that. otherwise, guess based on $TERM and tty presence.
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if os.environ.get('BZR_PROGRESS_BAR') == 'text':
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# with --quiet, never any progress view
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# <https://bugs.edge.launchpad.net/bzr/+bug/320035>. Otherwise if the
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# user specifically requests either text or no progress bars, always
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# do that. otherwise, guess based on $TERM and tty presence.
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return NullProgressView()
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elif os.environ.get('BZR_PROGRESS_BAR') == 'text':
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return TextProgressView(self.stderr)
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elif os.environ.get('BZR_PROGRESS_BAR') == 'none':
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return NullProgressView()
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warnings.warn("%r updated but no tasks are active" %
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elif task != self._task_stack[-1]:
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warnings.warn("%r is not the top progress task %r" %
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(task, self._task_stack[-1]))
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# We used to check it was the top task, but it's hard to always
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# get this right and it's not necessarily useful: any actual
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# problems will be evident in use
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#warnings.warn("%r is not the top progress task %r" %
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# (task, self._task_stack[-1]))
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self._progress_view.show_progress(task)
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def _progress_all_finished(self):
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self._progress_view.clear()
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def show_user_warning(self, warning_id, **message_args):
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"""Show a text message to the user.
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Explicitly not for warnings about bzr apis, deprecations or internals.
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# eventually trace.warning should migrate here, to avoid logging and
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# be easier to test; that has a lot of test fallout so for now just
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# new code can call this
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if warning_id not in self.suppressed_warnings:
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self.stderr.write(self.format_user_warning(warning_id, message_args) +
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class TextProgressView(object):
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"""Display of progress bar and other information on a tty.
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elif now >= (self._transport_update_time + 0.5):
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# guard against clock stepping backwards, and don't update too
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rate = self._bytes_since_update / (now - self._transport_update_time)
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msg = ("%6dKB %5dKB/s" %
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(self._total_byte_count>>10, int(rate)>>10,))
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rate = (self._bytes_since_update
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/ (now - self._transport_update_time))
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# using base-10 units (see HACKING.txt).
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msg = ("%6dkB %5dkB/s" %
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(self._total_byte_count / 1000, int(rate) / 1000,))
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self._transport_update_time = now
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self._last_repaint = now
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self._bytes_since_update = 0
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transfer_time = 0.001
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bps = self._total_byte_count / transfer_time
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msg = ('Transferred: %.0fKiB'
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' (%.1fK/s r:%.0fK w:%.0fK'
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% (self._total_byte_count / 1024.,
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self._bytes_by_direction['read'] / 1024.,
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self._bytes_by_direction['write'] / 1024.,
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# using base-10 units (see HACKING.txt).
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msg = ('Transferred: %.0fkB'
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' (%.1fkB/s r:%.0fkB w:%.0fkB'
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% (self._total_byte_count / 1000.,
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self._bytes_by_direction['read'] / 1000.,
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self._bytes_by_direction['write'] / 1000.,
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if self._bytes_by_direction['unknown'] > 0:
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msg += ' u:%.0fK)' % (
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self._bytes_by_direction['unknown'] / 1024.
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msg += ' u:%.0fkB)' % (
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self._bytes_by_direction['unknown'] / 1000.