75 lines
2 KiB
Python
75 lines
2 KiB
Python
"""Displays network traffic
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"""
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import psutil
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import netifaces
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import bumblebee.input
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import bumblebee.output
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import bumblebee.engine
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import bumblebee.util
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class Module(bumblebee.engine.Module):
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def __init__(self, engine, config):
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super(Module, self).__init__(engine, config)
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self._bandwidth = BandwidthInfo()
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self._download_tx = self._bandwidth.bytes_recv()
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self._upload_tx = self._bandwidth.bytes_sent()
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def update(self, widgets):
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download_tx = self._bandwidth.bytes_recv()
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upload_tx = self._bandwidth.bytes_sent()
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download_rate = (download_tx - self._download_tx)
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upload_rate = (upload_tx - self._upload_tx)
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self.update_widgets(widgets, download_rate, upload_rate)
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self._download_tx, self._upload_tx = download_tx, upload_tx
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def update_widgets(self, widgets, download_rate, upload_rate):
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del widgets[:]
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widgets.extend((
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TrafficWidget(download_rate, ''),
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TrafficWidget(upload_rate, '')
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))
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class BandwidthInfo:
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def __init__(self):
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io_counters = self.io_counters()
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self.network = io_counters[self.default_network_adapter()]
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def bytes_recv(self):
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return self.bandwidth().bytes_recv
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def bytes_sent(self):
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return self.bandwidth().bytes_sent
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def bandwidth(self):
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io_counters = self.io_counters()
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return io_counters[self.default_network_adapter()]
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def default_network_adapter(self):
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gateways = netifaces.gateways()
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return gateways['default'][netifaces.AF_INET][1]
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def io_counters(self):
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return psutil.net_io_counters(pernic=True)
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class TrafficWidget:
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def __new__(self, text, icon):
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widget = bumblebee.output.Widget()
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widget.set('theme.minwidth', '00000000KiB/s')
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widget.full_text(self.humanize(text, icon))
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return widget
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@staticmethod
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def humanize(text, icon):
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humanized_byte_format = bumblebee.util.bytefmt(text)
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return '{0} {1}/s'.format(icon, humanized_byte_format)
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