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# -*- coding: utf-8 -*-
# Copyright (c) 2012 Georgios 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 __future__ import unicode_literals
import sys
from . import Progress
from .colors import color
class Bar(Progress):
width = 32
suffix = '%(index)d/%(max)d'
bar_prefix = ' |'
bar_suffix = '| '
empty_fill = ' '
fill = '#'
color = None
def update(self):
filled_length = int(self.width * self.progress)
empty_length = self.width - filled_length
message = self.message % self
bar = color(self.fill * filled_length, fg=self.color)
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 = '∙'
fill = '█'
class FillingSquaresBar(ChargingBar):
empty_fill = '▢'
fill = '▣'
class FillingCirclesBar(ChargingBar):
empty_fill = '◯'
fill = '◉'
class IncrementalBar(Bar):
if sys.platform.startswith('win'):
phases = (u' ', u'▌', u'█')
else:
phases = (' ', '▏', '▎', '▍', '▌', '▋', '▊', '▉', '█')
def update(self):
nphases = len(self.phases)
filled_len = self.width * self.progress
nfull = int(filled_len) # Number of full chars
phase = int((filled_len - nfull) * nphases) # Phase of last char
nempty = self.width - nfull # Number of empty chars
message = self.message % self
bar = color(self.phases[-1] * nfull, fg=self.color)
current = self.phases[phase] if phase > 0 else ''
empty = self.empty_fill * max(0, nempty - len(current))
suffix = self.suffix % self
line = ''.join([message, self.bar_prefix, bar, current, empty,
self.bar_suffix, suffix])
self.writeln(line)
class PixelBar(IncrementalBar):
phases = ('⡀', '⡄', '⡆', '⡇', '⣇', '⣧', '⣷', '⣿')
class ShadyBar(IncrementalBar):
phases = (' ', '░', '▒', '▓', '█')
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