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levels.py
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levels.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# (c) Copyright 2003-2015 HP Development Company, L.P.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Author: Don Welch
#
__version__ = '2.0'
__title__ = 'Supply Levels Utility'
__mod__ = 'hp-levels'
__doc__ = "Display bar graphs of current supply levels for supported HPLIP printers."
# Std Lib
import sys
import getopt
import time
import operator
import os
# Local
from base.g import *
from base import device, status, utils, tui, module
from prnt import cups
DEFAULT_BAR_GRAPH_SIZE = 8*(tui.ttysize()[1])/10
def logBarGraph(agent_level, agent_type, size=DEFAULT_BAR_GRAPH_SIZE, use_colors=True, bar_char='/'):
#print agent_level, agent_type, size, use_colors, bar_char
adj = 100.0/size
if adj==0.0: adj=100.0
bar = int(agent_level/adj)
size = int(size)
if bar > (size-2): bar = size-2
if use_colors:
if agent_type in (AGENT_TYPE_CMY, AGENT_TYPE_KCM, AGENT_TYPE_CYAN, AGENT_TYPE_CYAN_LOW):
log.info(log.codes['teal'])
elif agent_type in (AGENT_TYPE_MAGENTA, AGENT_TYPE_MAGENTA_LOW):
log.info(log.codes['fuscia'])
elif agent_type in (AGENT_TYPE_YELLOW, AGENT_TYPE_YELLOW_LOW):
log.info(log.codes['yellow'])
elif agent_type == AGENT_TYPE_BLUE:
log.info(log.codes['blue'])
elif agent_type in (AGENT_TYPE_BLACK, AGENT_TYPE_BLACK_B8800):
log.info(log.codes['bold'])
elif agent_type in (AGENT_TYPE_LG, AGENT_TYPE_G, AGENT_TYPE_PG):
pass
color = ''
if use_colors:
if agent_type in (AGENT_TYPE_CMY, AGENT_TYPE_KCM):
color = log.codes['fuscia']
log.info(("-"*(size))+color)
color = ''
if use_colors:
if agent_type in (AGENT_TYPE_CMY, AGENT_TYPE_KCM):
color = log.codes['yellow']
log.info("%s%s%s%s (approx. %d%%)%s" % ("|", bar_char*bar,
" "*((size)-bar-2), "|", agent_level, color))
color = ''
if use_colors:
color = log.codes['reset']
log.info(("-"*int(size))+color)
#log.info(("-"*(size))+color)
log.set_module('hp-levels')
try:
mod = module.Module(__mod__, __title__, __version__, __doc__, None,
(INTERACTIVE_MODE,))
mod.setUsage(module.USAGE_FLAG_DEVICE_ARGS,
extra_options=[
("Bar graph size:", "-s<size> or --size=<size> (current default=%d)" % DEFAULT_BAR_GRAPH_SIZE, "option", False),
("Use colored bar graphs:", "-c or --color (default is colorized)", "option", False),
("Bar graph character:", "-a<char> or --char=<char> (default is '/')", "option", False)])
opts, device_uri, printer_name, mode, ui_toolkit, lang = \
mod.parseStdOpts('s:ca:', ['size=', 'color', 'char='])
device_uri = mod.getDeviceUri(device_uri, printer_name)
if not device_uri:
sys.exit(1)
log.info("Using device : %s\n" % device_uri)
size = DEFAULT_BAR_GRAPH_SIZE
color = True
bar_char = '/'
for o, a in opts:
if o in ('-s', '--size'):
try:
size = int(a.strip())
except (TypeError, ValueError):
log.warn("Invalid size specified. Using the default of %d" % DEFAULT_BAR_GRAPH_SIZE)
size = DEFAULT_BAR_GRAPH_SIZE
if size < 1 or size > DEFAULT_BAR_GRAPH_SIZE:
log.warn("Invalid size specified. Using the default of %d" % DEFAULT_BAR_GRAPH_SIZE)
size = DEFAULT_BAR_GRAPH_SIZE
elif o in ('-c', '--color'):
color = True
elif o in ('-a', '--char'):
try:
bar_char = a[0]
except KeyError:
bar_char = '/'
try:
d = device.Device(device_uri, printer_name)
except Error:
log.error("Error opening device. Exiting.")
sys.exit(1)
try:
try:
d.open()
d.queryDevice()
except Error as e:
log.error("Error opening device (%s). Exiting." % e.msg)
sys.exit(1)
if d.mq['status-type'] != STATUS_TYPE_NONE:
log.info("")
sorted_supplies = []
a = 1
while True:
try:
agent_type = int(d.dq['agent%d-type' % a])
agent_kind = int(d.dq['agent%d-kind' % a])
agent_sku = d.dq['agent%d-sku' % a]
log.debug("%d: agent_type %d agent_kind %d agent_sku '%s'" % (a, agent_type, agent_kind, agent_sku))
except KeyError:
break
else:
sorted_supplies.append((a, agent_kind, agent_type, agent_sku))
a += 1
sorted_supplies.sort(key=utils.cmp_to_key(utils.levelsCmp))
for x in sorted_supplies:
a, agent_kind, agent_type, agent_sku = x
agent_health = d.dq['agent%d-health' % a]
agent_level = d.dq['agent%d-level' % a]
agent_desc = d.dq['agent%d-desc' % a]
agent_health_desc = d.dq['agent%d-health-desc' % a]
if agent_health in (AGENT_HEALTH_OK, AGENT_HEALTH_UNKNOWN) and \
agent_kind in (AGENT_KIND_SUPPLY,
AGENT_KIND_HEAD_AND_SUPPLY,
AGENT_KIND_TONER_CARTRIDGE,
AGENT_KIND_MAINT_KIT,
AGENT_KIND_ADF_KIT,
AGENT_KIND_INT_BATTERY,
AGENT_KIND_DRUM_KIT,):
log.info(log.bold(agent_desc))
log.info("Part No.: %s" % agent_sku)
log.info("Health: %s" % agent_health_desc)
logBarGraph(agent_level, agent_type, size, color, bar_char)
log.info("")
else:
log.info(log.bold(agent_desc))
log.info("Part No.: %s" % agent_sku)
log.info("Health: %s" % agent_health_desc)
log.info("")
else:
log.error("Status not supported for selected device.")
sys.exit(1)
finally:
d.close()
except KeyboardInterrupt:
log.error("User exit")
log.info("")
log.info("Done.")