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# Copyright (C) 2018 SUSE Linux. All rights reserved.
# This program is free software; it may be used, copied, modified
# and distributed under the terms of the GNU General Public Licence,
# either version 2, or (at your option) any later version.
try:
import progressbar as pb
have_pb_module = True
except ImportError:
have_pb_module = False
class PBTextMeter(object):
def start(self, basename, size=None):
if size is None:
widgets = [basename + ': ', pb.AnimatedMarker(), ' ', pb.Timer()]
self.bar = pb.ProgressBar(widgets=widgets, maxval=pb.UnknownLength)
else:
widgets = [basename + ': ', pb.Bar(), ' ', pb.ETA()]
if size:
# if size is 0, using pb.Percentage will result in
# a ZeroDivisionException
widgets.insert(1, pb.Percentage())
self.bar = pb.ProgressBar(widgets=widgets, maxval=size)
self.bar.start()
def update(self, amount_read):
self.bar.update(amount_read)
def end(self):
self.bar.finish()
class NoPBTextMeter(object):
_complained = False
def start(self, basename, size=None):
if not self._complained:
print('Please install the progressbar module')
NoPBTextMeter._complained = True
print('Processing: %s' % basename)
def update(self, *args, **kwargs):
pass
def end(self, *args, **kwargs):
pass
def create_text_meter(*args, **kwargs):
use_pb_fallback = kwargs.pop('use_pb_fallback', True)
if have_pb_module or use_pb_fallback:
return TextMeter(*args, **kwargs)
return None
if have_pb_module:
TextMeter = PBTextMeter
else:
TextMeter = NoPBTextMeter
# vim: sw=4 et
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