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# Copyright 2010 Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import ttystatus
class PercentDone(ttystatus.Widget):
'''Display percent of task done.'''
def __init__(self, done_name, total_name, decimals=0):
self.done_name = done_name
self.total_name = total_name
self.decimals = decimals
self.value = self.format(0, 1)
self.interesting_keys = set([done_name, total_name])
def format(self, done, total):
try:
done = float(done)
total = float(total)
except ValueError:
return self.value
else:
return '%.*f %%' % (self.decimals, 100.0 * done / total)
def update(self, master, width):
self.value = self.format(master[self.done_name],
master[self.total_name])
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