bumblebee-status/modules/contrib/progress.py
2020-04-10 16:58:54 +02:00

104 lines
3.6 KiB
Python

"""
Show progress for cp, mv, dd, ...
Parameters:
* progress.placeholder: Text to display while no process is running (defaults to 'n/a')
* progress.barwidth: Width of the progressbar if it is used (defaults to 8)
* progress.format: Format string (defaults to '{bar} {cmd} {arg}')
Available values are: {bar} {pid} {cmd} {arg} {percentage} {quantity} {speed} {time}
* progress.barfilledchar: Character used to draw the filled part of the bar (defaults to '#'), notice that it can be a string
* progress.baremptychar: Character used to draw the empty part of the bar (defaults to '-'), notice that it can be a string
Requires the following executable:
* progress
"""
import bumblebee.input
import bumblebee.output
import bumblebee.engine
import re
class Module(bumblebee.engine.Module):
def __init__(self, engine, config):
super(Module, self).__init__(engine, config,
bumblebee.output.Widget(full_text=self.get_progress_text)
)
def get_progress_text(self, widget):
if self.update_progress_info(widget):
width = self.parameter('barwidth', 8)
count = round((width * widget.get('per')) / 100)
filledchar = self.parameter('barfilledchar', '#')
emptychar = self.parameter('baremptychar', '-')
bar = '[{}{}]'.format(
filledchar * count,
emptychar * (width - count)
)
str_format = self.parameter('format', '{bar} {cmd} {arg}')
return str_format.format(
bar = bar,
pid = widget.get('pid'),
cmd = widget.get('cmd'),
arg = widget.get('arg'),
percentage = widget.get('per'),
quantity = widget.get('qty'),
speed = widget.get('spd'),
time = widget.get('tim')
)
else:
return self.parameter('placeholder', 'n/a')
def update_progress_info(self, widget):
"""Update widget's informations about the copy"""
# These regex extracts following groups:
# 1. pid
# 2. command
# 3. arguments
# 4. progress (xx.x formated)
# 5. quantity (.. unit / .. unit formated)
# 6. speed
# 7. time remaining
extract_nospeed = re.compile('\[ *(\d*)\] ([a-zA-Z]*) (.*)\n\t(\d*\.*\d*)% \((.*)\)\n.*')
extract_wtspeed = re.compile('\[ *(\d*)\] ([a-zA-Z]*) (.*)\n\t(\d*\.*\d*)% \((.*)\) (\d*\.\d .*) remaining (\d*:\d*:\d*)\n.*')
try:
raw = bumblebee.util.execute('progress -qW 0.1')
result = extract_wtspeed.match(raw)
if not result:
# Abord speed measures
raw = bumblebee.util.execute('progress -q')
result = extract_nospeed.match(raw)
widget.set('spd', '???.? B/s')
widget.set('tim', '??:??:??')
else:
widget.set('spd', result.group(6))
widget.set('tim', result.group(7))
widget.set('pid', int(result.group(1)))
widget.set('cmd', result.group(2))
widget.set('arg', result.group(3))
widget.set('per', float(result.group(4)))
widget.set('qty', result.group(5))
return True
except Exception:
return False
def state(self, widget):
if self._active():
return 'copying'
return 'pending'
def _active(self):
"""Checks wether a copy is running or not"""
raw = bumblebee.util.execute('progress -q')
return bool(raw)
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