Moving to dotenv.

pico_funcs.py

@@ -1,11 +1,15 @@
 import machine
 import network
-import wifi_config
 import time
+import os
+from dotenv import load_dotenv
 
-'''
+load_dotenv()
+
+"""
 pico_funcs: Helper functions for things the pico can do.
-'''
+"""
+
 
 def read_cpu_temp():
     """
@@ -22,12 +26,13 @@ def read_cpu_temp():
     cpu_temp_sensor = machine.ADC(4)
     reading = cpu_temp_sensor.read_u16() * cpu_temp_conversion_factor
     temperature_c = 27 - (reading - 0.706) / 0.001721
-    temperature_f = temperature_c * 9/5. + 32.0
+    temperature_f = temperature_c * 9 / 5.0 + 32.0
     return temperature_f
 
+
 def wlan_up(wlan):
     wlan.active(True)
-    wlan.connect(wifi_config.HOME_WIFI_SSID, wifi_config.HOME_WIFI_PWD)
+    wlan.connect(os.getenv("HOME_WIFI_SSID"), os.getenv("HOME_WIFI_PWD"))
 
     # Wait for connect or fail
     max_wait = 10
@@ -43,6 +48,7 @@ def wlan_up(wlan):
     ifconfig = wlan.ifconfig()
     return ifconfig
 
+
 def led_error_code(led, error_code: int):
     """Blink LED for a given error code (int). error code == number of times to blink"""
 
@@ -66,3 +72,4 @@ def led_error_code(led, error_code: int):
         blink_counter += 1
     # Make sure to turn off LED when this subroutine finished
     led.value(False)
+