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dfspeedometer
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dfspeedometer
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#!/usr/bin/python
# despeedometer.py
# Copyright (C) 2010 wangjl
# gpl
# based on speedometer.py
# speedometer.py
# Copyright (C) 2001-2008 Ian Ward
#
# This module is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This module 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
# Lesser General Public License for more details.
__version__ = "2.6"
import time
import sys
import os
import popen2
import string
import math
import re
#import syslog
import datetime
__usage__ = """Usage: speedometer [options] tap [[-c] tap]...
Monitor network traffic or speed/progress of a file transfer. At least one
tap must be entered. -c starts a new column, otherwise taps are piled
vertically.
Taps:
[-f] filename [size] display download speed [with progress bar]
-f must be used if directly following another
file tap without an expected size specified
-rx network-interface display bytes received on network-interface
-tx network-interface display bytes transmitted on network-interface
Options:
-i interval-in-seconds eg. "5" or "0.25" default: "1"
-p use plain-text display (one tap only)
-b use old blocky display instead of smoothed
display even when UTF-8 encoding is detected
-z report zero size on files that don't exist
instead of waiting for them to be created
-o output text to some file
"""
__urwid_info__ = """
Speedometer requires Urwid 0.8.9 or later when not using plain-text display.
Version 0.9.1 or later is required for smoothed UTF-8 display.
Urwid may be downloaded from: http://excess.org/urwid/
Urwid may be installed system-wide or in the same directory as speedometer.
"""
outfile="123"
INITIAL_DELAY = 0.5 # seconds
INTERVAL_DELAY = 1.0 # seconds
GRAPH_MAX = 27
GRAPH_LINES = [25,20,15,10,5]
GRAPH_CAPTIONS = [' 1GB\n /s', '32MB\n /s', ' 1MB\n /s', '32KB\n /s',
' 1KB\n /s']
try: True # old python?
except: False, True = 0, 1
LN_TO_LG_SCALE = 1.4426950408889634 # LN_TO_LG_SCALE * ln(x) == lg(x)
try:
import urwid
from urwid.curses_display import Screen
urwid.BarGraph
URWID_IMPORTED = True
URWID_UTF8 = False
try:
if urwid.get_encoding_mode() == "utf8":
from urwid.raw_display import Screen
URWID_UTF8 = True
except:
pass
except:
URWID_IMPORTED = False
URWID_UTF8 = False
def output(text):
if(outfile!="" and text!="None"):
f=open(outfile,"a+")
f.write(datetime.datetime.ctime(datetime.datetime.now())+"\t"+text+"\n")
f.close()
class Speedometer:
def __init__(self,maxlog=5):
"""speedometer(maxlog=5)
maxlog is the number of readings that will be stored"""
self.log = []
self.start = None
self.maxlog = maxlog
def get_log(self):
return self.log
def update(self, bytes):
"""update(bytes) => None
add a byte reading to the log"""
t = time.time()
reading = (t,bytes)
if not self.start: self.start = reading
self.log.append(reading)
self.log = self.log[ - (self.maxlog+1):]
def delta(self, readings=0, skip=0):
"""delta( readings=0 ) -> time passed, byte increase
if readings is 0, time since start is given
don't include the last 'skip' readings
None is returned if not enough data available"""
assert readings >= 0
assert readings <= self.maxlog, "Log is not long enough to satisfy request"
assert skip >= 0
if skip > 0: assert readings > 0, "Can't skip when reading all"
if skip > len(self.log)-1: return # not enough data
current = self.log[-1 -skip]
target = None
if readings == 0: target = self.start
elif len(self.log) > readings+skip:
target = self.log[-(readings+skip+1)]
if not target: return # not enough data
if target == current: return
byte_increase = current[1]-target[1]
time_passed = current[0]-target[0]
return time_passed, byte_increase
def speed(self, *l, **d):
d = self.delta( *l, **d )
if d:
return delta_to_speed(d)
class EndOfData(Exception):
pass
class MultiGraphDisplay:
def __init__(self, cols, urwid_ui):
smoothed = urwid_ui == "smoothed"
self.displays = []
l = []
for c in cols:
a = []
for tap in c:
if tap.ftype == 'file_exp':
d = GraphDisplayProgress(tap, smoothed)
else:
d = GraphDisplay(tap, smoothed)
a.append(d)
self.displays.append(d)
l.append(a)
graphs = urwid.Columns( [BoxPile(a) for a in l], 1 )
graphs = urwid.AttrWrap( graphs, 'background' )
title = urwid.Text("Speedometer "+__version__)
title = urwid.AttrWrap( urwid.Filler( title ), 'title' )
self.top = urwid.Overlay( title, graphs,
('fixed left', 5), 16, ('fixed top', 0), 1 )
self.urwid_ui = urwid_ui
palette = [
('background', 'dark gray', 'black'),
('reading', 'light gray', 'black'),
('bar:top', 'dark cyan', 'black' ),
('bar', 'black', 'dark cyan','standout'),
('bar:num', 'white', 'black' ),
('ca:background', 'light gray','black'),
('ca:c:top','dark blue','black'),
('ca:c', 'black','dark blue','standout'),
('ca:c:num','light blue','black'),
('ca:a:top','light gray','black'),
('ca:a', 'black','light gray','standout'),
('ca:a:num','light gray', 'black'),
('title', 'white', 'black','underline'),
('pr:n', 'white', 'dark blue'),
('pr:c', 'white', 'dark green','standout'),
('pr:cn', 'dark green', 'dark blue'),
]
def main(self):
self.ui = Screen()
self.ui.set_input_timeouts( max_wait=INTERVAL_DELAY )
self.ui.register_palette(self.palette)
self.ui.run_wrapper( self.run )
def run(self):
try:
self.update_readings()
except EndOfData:
return
time.sleep(INITIAL_DELAY)
resizing = False
size = self.ui.get_cols_rows()
while True:
if not resizing:
try:
self.update_readings()
except EndOfData:
self.end_of_data()
return
resizing = False
self.draw_screen(size)
if isinstance(time,SimulatedTime):
time.sleep( INTERVAL_DELAY )
continue
keys = self.ui.get_input()
for k in keys:
if k == "window resize":
size = self.ui.get_cols_rows()
resizing = True
else:
return
def update_readings(self):
for d in self.displays:
d.update_readings()
def end_of_data(self):
# pause for taking screenshot of simulated data
if isinstance(time, SimulatedTime):
while not self.ui.get_input():
pass
def draw_screen(self, size):
canvas = self.top.render( size, focus=True )
self.ui.draw_screen( size, canvas )
class BoxPile: # like urwid.Columns, but with vertical separation of box widgets
def __init__(self, widget_list):
self.widget_list = widget_list
def selectable(self):
return False
def render(self, (maxcol, maxrow), focus=False ):
w = self.build_pile( self.widget_list,maxrow )
return w.render((maxcol,maxrow))
def build_pile(self, l, maxrow):
if len(l) == 1:
return l[0]
rows = int( (float(maxrow)+0.5) / len(l) )
if rows == 0:
return self.build_pile( l[1:], maxrow-rows )
return urwid.Frame( self.build_pile( l[1:], maxrow-rows ),
header = urwid.BoxAdapter( l[0], rows ) )
class GraphDisplay:
def __init__(self,tap, smoothed):
if smoothed:
self.speed_graph = SpeedGraph(
['background','bar'],
['background','bar'],
{(1,0):'bar:top'} )
self.cagraph = urwid.BarGraph(
['ca:background', 'ca:c', 'ca:a'],
['ca:background', 'ca:c', 'ca:a'],
{(1,0):'ca:c:top', (2,0):'ca:a:top', } )
else:
self.speed_graph = SpeedGraph([
('background', ' '), ('bar', ' ')],
['background', 'bar'])
self.cagraph = urwid.BarGraph([
('ca:background', ' '),
('ca:c',' '),
('ca:a',' '),]
)
self.last_reading = urwid.Text("",align="right")
scale = urwid.GraphVScale(zip(GRAPH_LINES, GRAPH_CAPTIONS), GRAPH_MAX)
footer = self.last_reading
graph_cols = urwid.Columns( [('fixed', 4, scale),
self.speed_graph, ('fixed', 4, self.cagraph)],
dividechars = 1 )
self.top = urwid.Frame(graph_cols, footer=footer )
self.spd = Speedometer(6)
self.feed = tap.feed
self.description = tap.description()
def selectable(self):
return False
def render(self, size, focus=False):
return self.top.render(size,focus)
def update_readings(self):
f = self.feed()
if f is None: raise EndOfData
self.spd.update(f)
s = self.spd.speed(1) # last sample
output(str(s))
c = curve(self.spd) # "curved" reading
a = self.spd.speed() # running average
self.speed_graph.append_log( s )
self.last_reading.set_text([
('title', [self.description, " "]),
('bar:num', [readable_speed(s), " "]),
('ca:c:num',[readable_speed(c), " "]),
('ca:a:num',readable_speed(a)) ] )
self.cagraph.set_data([
[speed_scale(c),0],
[0,speed_scale(a)],
], GRAPH_MAX)
class GraphDisplayProgress(GraphDisplay):
def __init__(self, tap, smoothed):
GraphDisplay.__init__(self, tap, smoothed)
self.spd = FileProgress( 6, tap.expected_size )
if smoothed:
self.pb = urwid.ProgressBar('pr:n','pr:c',0,
tap.expected_size, 'pr:cn')
else:
self.pb = urwid.ProgressBar('pr:n','pr:c',0,
tap.expected_size )
self.est = urwid.Text("")
pbest = urwid.Columns([self.pb,('fixed',10,self.est)], 1)
newfoot = urwid.Pile( [self.top.footer, pbest] )
self.top.footer = newfoot
def update_readings(self):
GraphDisplay.update_readings(self)
self.pb.set_completion(self.spd.progress()[0])
e = self.spd.completion_estimate()
if e is None:
return
self.est.set_text(readable_time(e,10))
class SpeedGraph:
def __init__(self, attlist, hatt=None, satt=None ):
if satt is None:
self.graph = urwid.BarGraph( attlist, hatt )
else:
self.graph = urwid.BarGraph( attlist, hatt, satt )
# override BarGraph's get_data
self.graph.get_data = self.get_data
self.smoothed = satt is not None
self.log = []
self.bar = []
def get_data(self, (maxcol,maxrow) ):
bar = self.bar[ -maxcol:]
if len(bar) < maxcol:
bar = [[0]]*(maxcol-len(bar)) + bar
return bar, GRAPH_MAX, GRAPH_LINES
def selectable(self):
return False
def render(self, (maxcol, maxrow), focus=False):
left = max(0, len(self.log)-maxcol)
pad = maxcol-(len(self.log)-left)
topl = self.local_maximums(pad, left)
yvals = [ max(self.bar[i]) for i in topl ]
yvals = urwid.scale_bar_values(yvals, GRAPH_MAX, maxrow)
graphtop = self.graph
for i,y in zip(topl, yvals):
s = self.log[ i ]
txt = urwid.Text( readable_speed( s ) )
label = urwid.AttrWrap( urwid.Filler( txt ), 'reading')
graphtop = urwid.Overlay( label, graphtop,
('fixed left', pad+i-4-left), 9,
('fixed top', max(0,y-2) ), 1 )
return graphtop.render( (maxcol, maxrow), focus )
def local_maximums(self, pad, left):
"""
Generate a list of indexes for the local maximums in self.log
"""
ldist, rdist = 4,5
l = self.log
if len(l) <= ldist+rdist:
return []
dist = ldist+rdist
highs = []
for i in range(left+max(0, ldist-pad),len(l)-rdist+1):
li = l[i]
if li == 0: continue
if i and l[i-1]>=li: continue
if l[i+1]>li: continue
highs.append( (li, -i) )
highs.sort()
highs.reverse()
tag = [False]*len(l)
out = []
for li, i in highs:
i=-i
if tag[i]: continue
for k in range(max(0,i-dist), min(len(l),i+dist)):
tag[k]=True
out.append( i )
return out
def append_log(self, s):
x = speed_scale(s)
o = [x]
self.bar = self.bar[-300:] + [o]
self.log = self.log[-300:] + [s]
def speed_scale( s ):
if s <= 0: return 0
x = (math.log( s ) * LN_TO_LG_SCALE )
x = min(GRAPH_MAX, max( 0, x-5 ))
return x
def delta_to_speed( delta ):
"""delta_to_speed( delta ) -> speed in bytes per second"""
time_passed, byte_increase = delta
if time_passed <= 0: return 0
if long(time_passed*1000) == 0: return 0
return long(byte_increase*1000)/long(time_passed*1000)
def readable_speed( speed ):
"""readable_speed( speed ) -> string
speed is in bytes per second
returns a readable version of the speed given"""
if speed == None or speed < 0: speed = 0
units = "B/s ", "KB/s", "MB/s", "GB/s", "TB/s"
step = 1L
for u in units:
if step > 1:
s = "%4.2f " %(float(speed)/step)
if len(s) <= 5: return s + u
s = "%4.1f " %(float(speed)/step)
if len(s) <= 5: return s + u
if speed/step < 1024:
return "%4d " %(speed/step) + u
step = step * 1024L
return "%4d " % (speed/(step/1024)) + units[-1]
def graphic_speed( speed ):
"""graphic_speed( speed ) -> string
speed is bytes per second
returns a graphic representing given speed"""
if speed == None: speed = 0
speed_val = [0]+[int(2**(x*5.0/3)) for x in range(20)]
speed_gfx = [
r"\ ",
r".\ ",
r"..\ ",
r"...\ ",
r"...:\ ",
r"...::\ ",
r"...:::\ ",
r"...:::+| ",
r"...:::++| ",
r"...:::+++| ",
r"...:::+++#| ",
r"...:::+++##| ",
r"...:::+++###| ",
r"...:::+++###%| ",
r"...:::+++###%%/ ",
r"...:::+++###%%%/ ",
r"...:::+++###%%%// ",
r"...:::+++###%%%/// ",
r"...:::+++###%%%//// ",
r"...:::+++###%%%///// ",
r"...:::+++###%%%//////",
]
for i in range(len(speed_val)-1):
low, high = speed_val[i], speed_val[i+1]
if speed > high: continue
if speed - low < high - speed:
return speed_gfx[i]
else:
return speed_gfx[i+1]
return speed_gfx[-1]
def file_size_feed(filename):
"""file_size_feed(filename) -> function that returns given file's size"""
def sizefn(filename=filename,os=os):
try:
return os.stat(filename)[6]
except:
return 0
return sizefn
def network_feed(device,rxtx):
"""network_feed(device,rxtx) -> function that returns given device stream speed
rxtx is "RX" or "TX"
"""
assert rxtx in ["RX","TX"]
r = re.compile( r"^\s*" + re.escape(device) + r":(.*)$", re.MULTILINE )
def networkfn(devre=r,rxtx=rxtx):
f = open('/proc/net/dev')
dev_lines = f.read()
f.close()
match = devre.search(dev_lines)
if not match:
return None
parts = match.group(1).split()
if rxtx == 'RX':
return long(parts[0])
else:
return long(parts[8])
return networkfn
def simulated_feed( data ):
total = 0
adjusted_data = [0]
for d in data:
d = int(d)
adjusted_data.append( d + total )
total += d
def simfn( data=adjusted_data ):
if data:
return long(data.pop(0))
return None
return simfn
class SimulatedTime:
def __init__(self, start):
self.t = start
def sleep(self, length):
self.t += length
def time(self):
return self.t
class FileProgress:
"""FileProgress monitors a file's size vs time and expected size to
produce progress and estimated completion time readings"""
samples_for_estimate = 4
def __init__(self, maxlog, expected_size):
"""FileProgress( expected_size )
expected_size is the file's expected size in bytes"""
self.expected_size = expected_size
self.speedometer = Speedometer( maxlog )
self.current_size = None
self.speed = self.speedometer.speed
self.delta = self.speedometer.delta
def update(self, current_size ):
"""update( current_size )
current_size is the current file size
update will record the current size and time"""
self.current_size = current_size
self.speedometer.update(self.current_size)
def progress(self):
"""progress() -> (current size, expected size)
current size will be None until update is called"""
return self.current_size, self.expected_size
def completion_estimate(self):
"""completion_estimate() -> estimated seconds remaining
will return None if not enough data is available"""
d = self.speedometer.delta( self.samples_for_estimate )
if not d: return None # not enough readings
(seconds,bytes) = d
if bytes <= 0: return None # currently stalled
remaining = self.expected_size - self.current_size
if remaining <= 0: return 0 # all done -- no time remaining
seconds_left = float(remaining)*seconds/bytes
return seconds_left
def average_speed(self):
"""average_speed() -> bytes per second since start
will return None if not enough data"""
return self.speedometer.speed()
def current_speed(self):
"""current_speed() -> latest bytes per second reading
will return None if not enough data"""
return self.speedometer.speed(1)
def graphic_progress( progress, columns ):
"""graphic_progress( progress, columns ) -> string
progress is a tuple of ( value, max )
columns is length of string returned
returns a graphic representation of value vs. max"""
value, max = progress
f = float(value) / float(max)
if f > 1: f = 1
if f < 0: f = 0
filled = int(f*columns)
gfx = "#" * filled + "-" * (columns-filled)
return gfx
def time_as_units( seconds ):
"""time_units( seconds ) -> list of (count, suffix) tuples
returns a unit breakdown for the given number of seconds"""
if seconds==None: seconds=0
# ( multiplicative factor, suffix )
units = (1,"s"), (60,"m"), (60,"h"), (24,"d"), (7,"w"), (52,"y")
scale = 1L
topunit = -1
# find the top unit to use
for mul, suf in units:
if seconds / (scale*mul) < 1: break
topunit = topunit+1
scale = scale * mul
# build the list reading backwards from top unit
out = []
for i in range(topunit, -1, -1):
mul,suf = units[i]
value = int( seconds/scale )
seconds = seconds - value * scale
scale = scale / mul
out.append( (value, suf) )
return out
def readable_time( seconds, columns=None ):
"""readable_time( seconds, columns=None ) -> string
return the seconds as a readable string
if specified, columns is the maximum length of the returned string"""
out = ""
for value, suf in time_as_units(seconds):
new_out = out
if out: new_out = new_out + ' '
new_out = new_out + `value` + suf
if columns and len(new_out) > columns: break
out = new_out
return out
class ArgumentError(Exception):
pass
def console():
"""Console mode"""
try:
cols, urwid_ui, zero_files = parse_args()
except ArgumentError:
sys.stderr.write(__usage__)
if not URWID_IMPORTED:
sys.stderr.write(__urwid_info__)
sys.stderr.write("""
Python Version: %d.%d
Urwid >= 0.8.9 detected: %s Urwid >= 0.9.1 and UTF-8 encoding detected: %s
""" % (sys.version_info[:2] + (["NO","yes"][URWID_IMPORTED],) +
(["NO","yes"][URWID_UTF8],) ) )
return
if zero_files:
for c in cols:
a = []
for tap in c:
if hasattr(tap, 'report_zero'):
tap.report_zero()
try:
# wait for every tap to be able to read
wait_all(cols)
except KeyboardInterrupt:
return
# plain-text mode
if not urwid_ui:
[[tap]] = cols
if tap.ftype == 'file_exp':
do_progress( tap.feed, tap.expected_size )
else:
do_simple( tap.feed )
return
do_display( cols, urwid_ui )
def do_display( cols, urwid_ui ):
mg = MultiGraphDisplay( cols, urwid_ui )
mg.main()
class FileTap:
def __init__(self, name):
self.ftype = 'file'
self.file_name = name
self.feed = file_size_feed( name )
self.wait = True
def set_expected_size(self, size):
self.expected_size = long(size)
self.ftype = 'file_exp'
def report_zero(self):
self.wait = False
def description(self):
return "FILE: "+ self.file_name
def wait_creation( self):
if not self.wait:
return
if not os.path.exists(self.file_name):
sys.stdout.write("Waiting for '%s' to be created...\n"
% self.file_name)
while not os.path.exists(self.file_name):
time.sleep(1)
class NetworkTap:
def __init__(self, rxtx, interface):
self.ftype = rxtx
self.interface = interface
self.feed = network_feed( interface, rxtx )
def description(self):
return self.ftype+": "+self.interface
def wait_creation(self):
if self.feed() is None:
sys.stdout.write("Waiting for network statistics from "
"interface '%s'...\n" % self.interface)
while self.feed() == None:
time.sleep(1)
def parse_args():
global outfile
args = sys.argv[1:]
tap = None
if URWID_UTF8:
urwid_ui = 'smoothed'
elif URWID_IMPORTED:
urwid_ui = 'blocky'
else:
urwid_ui = False
zero_files = False
interval_set = False
cols = []
taps = []
def push_tap(tap, taps):
if tap is None: return
taps.append( tap )
i = 0
while i < len(args):
op = args[i]
if op in ("-h","--help"):
raise ArgumentError
elif op in ("-i","-rx","-tx","-f","-o"):
# combine two part arguments with the following argument
try:
if op != "-f":
args[i+1] = op + args[i+1]
except IndexError:
raise ArgumentError
push_tap(tap, taps)
tap = None
elif op == "-s":
# undocumented simulation option
simargs = []
i += 1
while i < len(args) and args[i][:1] != "-":
simargs.append( args[i] )
i += 1
simulate = tap
if not simulate:
simulate = taps[-1]
simulate.feed = simulated_feed( simargs )
global time
time = SimulatedTime( time.time() )
continue
elif op == "-p":
# disable urwid ui
urwid_ui = False
elif op == "-b":
urwid_ui = 'blocky'
elif op == "-z":
zero_files = True
elif op[:2] == "-i":
if interval_set: raise ArgumentError
global INTERVAL_DELAY
global INITIAL_DELAY
try:
INTERVAL_DELAY = float(op[2:])
except:
raise ArgumentError
if INTERVAL_DELAY<INITIAL_DELAY:
INITIAL_DELAY=INTERVAL_DELAY
interval_set = True
elif op[:3] == "-rx":
push_tap(tap, taps)
tap = NetworkTap("RX", op[3:])
elif op[:3] == "-tx":
push_tap(tap, taps)
tap = NetworkTap("TX", op[3:])
elif op == "-c":
push_tap(tap, taps)
if not taps:
raise ArgumentError
cols.append(taps)
taps = []
tap = None
elif op[:2] == "-o":
outfile=op[2:]
elif tap == None:
tap = FileTap(op)
elif tap and tap.ftype == 'file':
try:
tap.set_expected_size(op)
push_tap(tap, taps)
tap = None
except:
raise ArgumentError
else:
raise ArgumentError
i += 1
if urwid_ui and not URWID_IMPORTED:
raise ArgumentError
push_tap(tap, taps)
if not urwid_ui and (len(taps)>1 or cols):
raise ArgumentError
if not taps:
raise ArgumentError
cols.append(taps)
return cols, urwid_ui, zero_files
def do_simple( feed ):
try:
spd = Speedometer(6)
f = feed()
if f is None: return
spd.update(f)
time.sleep(INITIAL_DELAY)
while 1:
f = feed()
if f is None: return
spd.update(f)
s = spd.speed(1) # last sample
c = curve(spd) # "curved" reading
a = spd.speed() # running average
show(s,c,a)
time.sleep(INTERVAL_DELAY)
except KeyboardInterrupt:
pass
def curve( spd ):
"""Try to smooth speed fluctuations"""
val = [ 2, 4, 4, 3, 2, 1 ] # speed sampling relative weights
wtot = 0 # total weighting
ws = 0.0 # weighted speed
for i in range(len(val)):
d = spd.delta(1,i)
if d==None:
break # ran out of data
t, b = d
v = val[i]
wtot += v
ws += float(b)*v/t
return delta_to_speed( (wtot, ws) )
def show( s, c, a, out = sys.stdout.write ):
out( readable_speed(s) )
out( " c:" + readable_speed(c) )
out( " A:" + readable_speed(a) )
out( " (" + graphic_speed(s)+")" )
out('\n')
def do_progress( feed, size ):
try:
fp = FileProgress( 4, long(size) )
out = sys.stdout.write
f = feed()
if f is None: return
fp.update(f)
time.sleep(INITIAL_DELAY)
while 1:
f = feed()
if f is None: return
fp.update(f)
out( '('+graphic_speed(fp.current_speed())+')' )
out( readable_speed(fp.current_speed()) )
out( ' ['+graphic_progress(fp.progress(), 36)+']' )
out( ' '+readable_time(fp.completion_estimate()) )
out( '\n' )
current, expected = fp.progress()
time.sleep(INTERVAL_DELAY)
except KeyboardInterrupt:
pass
def wait_all(cols):
for c in cols:
for tap in c:
tap.wait_creation()
if __name__ == "__main__":
try:
console()
except KeyboardInterrupt, err:
pass