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diff --git a/.i3/py3status/backup/netdata.py b/.i3/py3status/backup/netdata.py
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+# -*- coding: utf-8 -*-
+
+# netdata
+
+# Netdata is a module uses great Py3status (i3status wrapper) to
+# display network information (Linux systems) in i3bar.
+# For more information read:
+# i3wm homepage: http://i3wm.org
+# py3status homepage: https://github.com/ultrabug/py3status
+
+# Copyright (C) <2013> <Shahin Azad [ishahinism at Gmail]>
+
+# 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/>.
+
+# ----------------------------------------------------------------- #
+# Notes:
+# 1. netdata will check 'eth0' interface by default. You can
+# change it by changing 'self.net_interface' variable in 'GetData'
+# class.
+# 2. Colors are depended on strict specification in traffic/netspeed methods.
+# You can change them by manipulating conditions.
+
+import subprocess
+from time import time
+
+# Method 'netSpeed' will use this variables to calculate downloaded
+# bytes in last second.  Initializing this variables globally is
+# necessary since we can't use __init__ method in Py3Status class.
+old_transmitted, old_received = 0, 0
+
+
+class GetData:
+    """Get system status
+
+    """
+    def __init__(self):
+        # You can change it to another interface.
+        # It'll be used for grabbing net interface data.
+        self.net_interface = 'eth0'
+
+    def execCMD(self, cmd, arg):
+        """Take a system command and its argument, then return the result.
+
+        Arguments:
+        - `cmd`: system command.
+        - `arg`: argument.
+        """
+        result = subprocess.check_output([cmd, arg])
+        return result
+
+    def netBytes(self):
+        """Execute 'cat /proc/net/dev', find the interface line (Default
+        'eth0') and grab received/transmitted bytes.
+
+        """
+        net_data = self.execCMD('cat', '/proc/net/dev').decode('utf-8').split()
+        interface_index = net_data.index(self.net_interface + ':')
+        received_bytes = int(net_data[interface_index + 1])
+        transmitted_bytes = int(net_data[interface_index + 9])
+
+        return received_bytes, transmitted_bytes
+
+
+class Py3status:
+    """
+    System status in i3bar
+    """
+    def netSpeed(self, json, i3status_config):
+        """Calculate network speed ('eth0' interface) and return it.  You can
+        change the interface using 'self.net_interface' variable in
+        'GetData' class.
+
+        """
+        data = GetData()
+        response = {'full_text': '', 'name': 'net_speed'}
+
+        global old_received
+        global old_transmitted
+
+        received_bytes, transmitted_bytes = data.netBytes()
+        dl_speed = (received_bytes - old_received) / 1024.
+        up_speed = (transmitted_bytes - old_transmitted) / 1024.
+
+        if dl_speed < 30:
+            response['color'] = i3status_config['color_bad']
+        elif dl_speed < 60:
+            response['color'] = i3status_config['color_degraded']
+        else:
+            response['color'] = i3status_config['color_good']
+
+        response['full_text'] = "LAN(Kb): {:5.1f}↓ {:5.1f}↑"\
+            .format(dl_speed, up_speed)
+        response['cached_until'] = time()
+
+        old_received, old_transmitted = received_bytes, transmitted_bytes
+        return (0, response)
+
+    def traffic(self, json, i3status_config):
+        """Calculate networks used traffic. Same as 'netSpeed' method you can
+        change the interface.
+
+        """
+        data = GetData()
+        response = {'full_text': '', 'name': 'traffic'}
+
+        received_bytes, transmitted_bytes = data.netBytes()
+        download = received_bytes / 1024 / 1024.
+        upload = transmitted_bytes / 1024 / 1024.
+        total = download + upload
+
+        if total < 400:
+            response['color'] = i3status_config['color_good']
+        elif total < 700:
+            response['color'] = i3status_config['color_degraded']
+        else:
+            response['color'] = i3status_config['color_bad']
+
+        response['full_text'] = "T(Mb): {:3.0f}↓ {:3.0f}↑ {:3.0f}↕"\
+            .format(download, upload, total)
+
+        return (1, response)