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fix could not convert string to float: b'' error when using bulk message on ubuntu

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This commit is contained in:
hjelev
2023-02-03 22:02:11 +02:00
parent bbd85ca672
commit 73bc03c01e
1 changed files with 12 additions and 12 deletions
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8
src/rpi-cpu2mqtt.py
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@@ -18,7 +18,6 @@ hostname = socket.gethostname()
def check_wifi_signal(format): def check_wifi_signal(format):
try: try:
full_cmd = "ls /sys/class/ieee80211/*/device/net/" full_cmd = "ls /sys/class/ieee80211/*/device/net/"
interface = subprocess.Popen(full_cmd, shell=True, stdout=subprocess.PIPE).communicate()[0].strip().decode("utf-8") interface = subprocess.Popen(full_cmd, shell=True, stdout=subprocess.PIPE).communicate()[0].strip().decode("utf-8")
full_cmd = f"/sbin/iwconfig {interface} | grep -i quality" full_cmd = f"/sbin/iwconfig {interface} | grep -i quality"
@@ -60,7 +59,8 @@ def check_voltage():
voltage = voltage.strip()[:-1] voltage = voltage.strip()[:-1]
except Exception: except Exception:
voltage = 0 voltage = 0
return voltage
return voltage.decode('utf8')
def check_swap(): def check_swap():
@@ -81,7 +81,7 @@ def check_cpu_temp():
full_cmd = "cat /sys/class/thermal/thermal_zone*/temp 2> /dev/null | sed 's/\(.\)..$//' | tail -n 1" full_cmd = "cat /sys/class/thermal/thermal_zone*/temp 2> /dev/null | sed 's/\(.\)..$//' | tail -n 1"
try: try:
p = subprocess.Popen(full_cmd, shell=True, stdout=subprocess.PIPE).communicate()[0] p = subprocess.Popen(full_cmd, shell=True, stdout=subprocess.PIPE).communicate()[0]
cpu_temp = p.decode("utf-8").replace('\n', ' ').replace('\r', '') cpu_temp = p.decode("utf-8").strip()
except Exception: except Exception:
cpu_temp = 0 cpu_temp = 0
return cpu_temp return cpu_temp
@@ -279,7 +279,7 @@ def bulk_publish_to_mqtt(cpu_load=0, cpu_temp=0, used_space=0, voltage=0, sys_cl
uptime_days=0, wifi_signal=0, wifi_signal_dbm=0): uptime_days=0, wifi_signal=0, wifi_signal_dbm=0):
# compose the CSV message containing the measured values # compose the CSV message containing the measured values
values = cpu_load, float(cpu_temp), used_space, float(voltage), int(sys_clock_speed), swap, memory, uptime_days, wifi_signal, wifi_signal_dbm values = cpu_load, cpu_temp, used_space, voltage, int(sys_clock_speed), swap, memory, uptime_days, wifi_signal, wifi_signal_dbm
values = str(values)[1:-1] values = str(values)[1:-1]
# connect to mqtt server # connect to mqtt server