Current File : //lib/python2.7/site-packages/pip/_vendor/progress/bar.py
# -*- coding: utf-8 -*-
# Copyright (c) 2012 Giorgos Verigakis <verigak@gmail.com>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
from . import Progress
from .helpers import WritelnMixin
class Bar(WritelnMixin, Progress):
width = 32
message = ''
suffix = '%(index)d/%(max)d'
bar_prefix = ' |'
bar_suffix = '| '
empty_fill = ' '
fill = '#'
hide_cursor = True
def update(self):
filled_length = int(self.width * self.progress)
empty_length = self.width - filled_length
message = self.message % self
bar = self.fill * filled_length
empty = self.empty_fill * empty_length
suffix = self.suffix % self
line = ''.join([message, self.bar_prefix, bar, empty, self.bar_suffix,
suffix])
self.writeln(line)
class ChargingBar(Bar):
suffix = '%(percent)d%%'
bar_prefix = ' '
bar_suffix = ' '
empty_fill = u'∙'
fill = u'█'
class FillingSquaresBar(ChargingBar):
empty_fill = u'▢'
fill = u'▣'
class FillingCirclesBar(ChargingBar):
empty_fill = u'◯'
fill = u'◉'
class IncrementalBar(Bar):
phases = (u' ', u'▏', u'▎', u'▍', u'▌', u'▋', u'▊', u'▉', u'█')
def update(self):
nphases = len(self.phases)
expanded_length = int(nphases * self.width * self.progress)
filled_length = int(self.width * self.progress)
empty_length = self.width - filled_length
phase = expanded_length - (filled_length * nphases)
message = self.message % self
bar = self.phases[-1] * filled_length
current = self.phases[phase] if phase > 0 else ''
empty = self.empty_fill * max(0, empty_length - len(current))
suffix = self.suffix % self
line = ''.join([message, self.bar_prefix, bar, current, empty,
self.bar_suffix, suffix])
self.writeln(line)
class ShadyBar(IncrementalBar):
phases = (u' ', u'░', u'▒', u'▓', u'█')
Mini Shell