# -*- python -*- ''' xpybar – xmobar replacement written in python Copyright © 2014, 2015, 2016 Mattias Andrée (maandree@member.fsf.org) 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 3 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, see <http://www.gnu.org/licenses/>. ''' class Network: ''' Retrieve network statistics @variable devices:dict<str, dict<str, int>> Map from device name, to data name, to data value Data names for receive: @key rx_bytes Bytes received @key rx_packets Packets received @key rx_errs Errors @key rx_drop Dropped @key rx_fifo FIFO @key rx_frame Frame @key rx_compressed Compressed @key rx_multicast Multicast Data names for transmit: @key tx_bytes Bytes transmitted @key tx_packets Packets transmitted @key tx_errs Errors @key tx_drop Dropped @key tx_fifo FIFO @key tx_colls Collisions @key tx_carrier Carrier @key tx_compressed Compressed ''' def __init__(self, *exclude): ''' Constructor @param exclude:*str Devices to exclude ''' stat = None with open('/proc/net/dev', 'rb') as file: stat = file.read() stat = stat.decode('utf-8', 'replace') stat = stat.replace('|', ' | ').replace(':', ' ') stat = list(filter(lambda x : not x == '', stat.split('\n')[1:])) stat = [list(filter(lambda x : not x == '', line.split(' '))) for line in stat] stat[0] = stat[0][2:] exclude = set(exclude) devices = {} for line in stat[1:]: if line[0] not in exclude: devices[line[0]] = [int(x) for x in line[1:]] columns, prefix = [], 'rx_' for column in stat[0]: if column == '|': prefix = 'tx_' else: columns.append(prefix + column) self.devices = {} for dev in devices.keys(): fields = {} self.devices[dev] = fields values = devices[dev] for i in range(len(values)): fields[columns[i]] = values[i]