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# coding: utf-8
try:
from progress.bar import Bar
except ImportError:
progress = False
else:
progress = True
def format_size(bytes_in):
if bytes_in > 1000 * 1000:
return '%.1fMB' % (bytes_in / 1000.0 / 1000)
elif bytes_in > 10 * 1000:
return '%ikB' % (bytes_in / 1000)
elif bytes_in > 1000:
return '%.1fkB' % (bytes_in / 1000.0)
else:
return '%ibytes' % bytes_in
class ProgressMixin(object):
@property
def download_speed(self):
if self.avg == 0.0:
return "..."
return format_size(1 / self.avg) + "/s"
@property
def downloaded(self):
return format_size(self.index)
class DummyBar(object):
# pylint: disable=redefined-builtin
def __init__(self, max=None):
pass
def next(self, n=None):
pass
def finish(self):
pass
if progress:
class ProgressBar(Bar, ProgressMixin):
message = "%(percent)d%%"
suffix = "%(downloaded)s %(download_speed)s eta %(eta_td)s"
else:
ProgressBar = DummyBar
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