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#!/usr/bin/env python
from __future__ import print_function
import use_lldb_suite
import sys
import time
class ProgressBar(object):
"""ProgressBar class holds the options of the progress bar.
The options are:
start State from which start the progress. For example, if start is
5 and the end is 10, the progress of this state is 50%
end State in which the progress has terminated.
width --
fill String to use for "filled" used to represent the progress
blank String to use for "filled" used to represent remaining space.
format Format
incremental
"""
light_block = chr(0x2591).encode("utf-8")
solid_block = chr(0x2588).encode("utf-8")
solid_right_arrow = chr(0x25BA).encode("utf-8")
def __init__(self,
start=0,
end=10,
width=12,
fill=chr(0x25C9).encode("utf-8"),
blank=chr(0x25CC).encode("utf-8"),
marker=chr(0x25CE).encode("utf-8"),
format='[%(fill)s%(marker)s%(blank)s] %(progress)s%%',
incremental=True):
super(ProgressBar, self).__init__()
self.start = start
self.end = end
self.width = width
self.fill = fill
self.blank = blank
self.marker = marker
self.format = format
self.incremental = incremental
self.step = 100 / float(width) # fix
self.reset()
def __add__(self, increment):
increment = self._get_progress(increment)
if 100 > self.progress + increment:
self.progress += increment
else:
self.progress = 100
return self
def complete(self):
self.progress = 100
return self
def __str__(self):
progressed = int(self.progress / self.step) # fix
fill = progressed * self.fill
blank = (self.width - progressed) * self.blank
return self.format % {
'fill': fill,
'blank': blank,
'marker': self.marker,
'progress': int(
self.progress)}
__repr__ = __str__
def _get_progress(self, increment):
return float(increment * 100) / self.end
def reset(self):
"""Resets the current progress to the start point"""
self.progress = self._get_progress(self.start)
return self
class AnimatedProgressBar(ProgressBar):
"""Extends ProgressBar to allow you to use it straighforward on a script.
Accepts an extra keyword argument named `stdout` (by default use sys.stdout)
and may be any file-object to which send the progress status.
"""
def __init__(self,
start=0,
end=10,
width=12,
fill=chr(0x25C9).encode("utf-8"),
blank=chr(0x25CC).encode("utf-8"),
marker=chr(0x25CE).encode("utf-8"),
format='[%(fill)s%(marker)s%(blank)s] %(progress)s%%',
incremental=True,
stdout=sys.stdout):
super(
AnimatedProgressBar,
self).__init__(
start,
end,
width,
fill,
blank,
marker,
format,
incremental)
self.stdout = stdout
def show_progress(self):
if hasattr(self.stdout, 'isatty') and self.stdout.isatty():
self.stdout.write('\r')
else:
self.stdout.write('\n')
self.stdout.write(str(self))
self.stdout.flush()
class ProgressWithEvents(AnimatedProgressBar):
"""Extends AnimatedProgressBar to allow you to track a set of events that
cause the progress to move. For instance, in a deletion progress bar, you
can track files that were nuked and files that the user doesn't have access to
"""
def __init__(self,
start=0,
end=10,
width=12,
fill=chr(0x25C9).encode("utf-8"),
blank=chr(0x25CC).encode("utf-8"),
marker=chr(0x25CE).encode("utf-8"),
format='[%(fill)s%(marker)s%(blank)s] %(progress)s%%',
incremental=True,
stdout=sys.stdout):
super(
ProgressWithEvents,
self).__init__(
start,
end,
width,
fill,
blank,
marker,
format,
incremental,
stdout)
self.events = {}
def add_event(self, event):
if event in self.events:
self.events[event] += 1
else:
self.events[event] = 1
def show_progress(self):
isatty = hasattr(self.stdout, 'isatty') and self.stdout.isatty()
if isatty:
self.stdout.write('\r')
else:
self.stdout.write('\n')
self.stdout.write(str(self))
if len(self.events) == 0:
return
self.stdout.write('\n')
for key in list(self.events.keys()):
self.stdout.write(str(key) + ' = ' + str(self.events[key]) + ' ')
if isatty:
self.stdout.write('\033[1A')
self.stdout.flush()
if __name__ == '__main__':
p = AnimatedProgressBar(end=200, width=200)
while True:
p + 5
p.show_progress()
time.sleep(0.3)
if p.progress == 100:
break
print() # new line
|
