added some comments so Panini will always know what is going on

master
BodgeMaster 2021-05-02 07:53:50 +02:00
parent c704fda00a
commit 02d20128e1
1 changed files with 34 additions and 14 deletions

View File

@ -1,21 +1,41 @@
#!/usr/bin/python3
import os, json, sys
try:
sensor_group = sys.argv[1]
sensor = sys.argv[2]
except IndexError:
print("usage: python3 "+sys.argv[0]+" <sensor group> <sensor>")
sys.exit(1)
sensors_process = os.popen("sensors -j")
temps_str = sensors_process.read()
sensors_process.close()
temps = json.loads(temps_str)
# comments added for Panini
try:
# get arguments from command line
sensor_group = sys.argv[1] # 1st argument
sensor = sys.argv[2] # 2nd arggument
except IndexError: # could not get arguments bc the arguments array doesn't contain enough elements
print("usage: python3 "+sys.argv[0]+" <sensor group> <sensor>") # show usage information, sys.argv[0] is the name of the python file itself
sys.exit(1) #exit with error code 1 bc we want scripts to be able to reliably tell that soemthing went wrong
sensors_process = os.popen("sensors -j") # run 'sensors -j' to get a json formatted list of hardware sensors and their values
temps_str = sensors_process.read() # read output of 'sensors -j'
sensors_process.close() # close handle bc we don't need or want to have it around anymore
temps = json.loads(temps_str) # load json string into a python dict
try:
# this is ... well ... a oneliner I would use...
print([value for key, value in temps[sensor_group][sensor].items() if key.endswith("input")][0])
except KeyError:
# temps is a dict with multiple dicts inside it
# first step is to get the desired sensor group
# temps[sensor_group]
# then we get the desired sensor from that sensor group
# temps[sensor_group][sensor]
# from that, we go through all the items of that dict putting the keys and their corresponding values in two variables
# for key, value in temps[sensor_group][sensor].items()
# check whether the key ends with "input"
# if key.endswith("input")
# and if it does, we put it in an array
# [value for key, value in temps[sensor_group][sensor].items() if key.endswith("input")]
# we take the first entry of that array
# [value for key, value in temps[sensor_group][sensor].items() if key.endswith("input")][0]
# and put it on the console
# print([value for key, value in temps[sensor_group][sensor].items() if key.endswith("input")][0])
except KeyError: # if we can't find an element in the dict that corresponds to the sensor group / sensor given on the command line
print("Sensor \""+sensor_group+":"+sensor+" not found!")
sys.exit(1)
sys.exit(1) #exit with error code 1 bc we want scripts to be able to reliably tell that soemthing went wrong