add a first version of the collector module

sensors/collector/collector.py

@@ -0,0 +1,25 @@
+from sense_hat import SenseHat
+
+sense = SenseHat()
+
+
+def _get_cpu_temperature():
+    res = os.popen('vcgencmd measure_temp').readline()
+    return float(res.replace('temp=', '').replace("'C\n", ''))
+
+def get_temperature():
+    humidity_temp = self._sense_hat.get_temperature_from_humidity()
+    pressure_temp = self._sense_hat.get_temperature_from_pressure()
+    cpu_temp = _get_cpu_temperature()
+    avg_temp = ((humidity_temp + pressure_temp)
+                / 2 if pressure_temp else humidity_temp)
+    adj_temp = avg_temp - (cpu_temp - avg_temp) / 0.69
+    return adj_temp
+
+
+def get_pressure():
+    return sense.get_pressure()
+
+
+def get_humidity():
+    return sense.get_humidity()

sensors/collector/tests/test_collector.py

@@ -0,0 +1,12 @@
+import datetime
+import pytest
+from django.test import TestCase
+from mixer.backend.django import mixer
+
+from collector import collector
+
+pytestmark=pytest.mark.django_db
+
+
+def test_collector():
+    print(str(collector.get_temperature()))