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Basic functionaly for dealingn with signal strength

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nepoz 2021-07-05 10:29:37 -05:00
parent 1232c4d960
commit f141b95d8f
1 changed files with 37 additions and 12 deletions
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49
bumblebee_status/modules/contrib/network.py
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@ -3,8 +3,9 @@ A module to show currently active network connection (ethernet or wifi)
and connection strength. and connection strength.
""" """
import subprocess
import os import util.cli
import util.format
import core.module import core.module
import core.widget import core.widget
@ -18,31 +19,55 @@ class Module(core.module.Module):
self._message = None self._message = None
def network(self, widgets): def network(self, widgets):
# start subprocess to get networked data # run ip route command, tokenize output
std_out = os.popen("ip route get 8.8.8.8") cmd = "ip route get 8.8.8.8"
route_str = " ".join(std_out.read().split()) std_out = util.cli.execute(cmd)
route_str = " ".join(std_out.split())
route_tokens = route_str.split(" ") route_tokens = route_str.split(" ")
# Attempt to extract a valid network interface device
try: try:
self._interface = route_tokens[route_tokens.index("dev") + 1] + ":" self._interface = route_tokens[route_tokens.index("dev") + 1]
except ValueError: except ValueError:
self._interface = None self._interface = None
with open("/proc/net/wireless", "r") as f: # Check to see if the interface (if it exists) is wireless
if self._interface: if self._interface:
with open("/proc/net/wireless", "r") as f:
self._is_wireless = self._interface in f.read() self._is_wireless = self._interface in f.read()
f.close()
# setup message to send to bar # setup message to send to the user
if self._interface is None: if self._interface is None:
self._message = "Not connected to a network" self._message = "Not connected to a network"
elif self._is_wireless: elif self._is_wireless:
self._message = "Connected to WiFi" cmd = "iwgetid"
else: iw_dat = util.cli.execute(cmd)
# self._message = "Connected to Ethernet" has_ssid = "ESSID" in iw_dat
self._message = self._message ssid = iw_dat[iw_dat.index(":") + 2: -2] if has_ssid else "Unknown"
# Get connection strength
cmd = "iwconfig {}".format(self._interface)
config_dat = " ".join(util.cli.execute(cmd).split())
config_tokens = config_dat.replace("=", " ").split()
strength = config_tokens[config_tokens.index("level") + 1]
strength = util.format.asint(strength, minimum=-110, maximum=-30)
self._message = self.__generate_wireless_message(ssid, strength)
else:
self._message = self._message
return self._message return self._message
def __generate_wireless_message(self, ssid, strength):
computed_strength = 100 * (strength + 110) / 70.0
if computed_strength < 25:
return ssid + " poor"
if computed_strength < 50:
return ssid + " fair"
if computed_strength < 75:
return ssid + " good"
return ssid + " excellent"