Flask server for displaying and interacting with fridge

Web interface defined in template for displaying sensor data, camera capture and action buttons.

server.py

@@ -0,0 +1,72 @@
+import os
+import sys
+import yaml
+from flask import Flask, request, render_template, send_file, redirect, send_from_directory
+from brewSensor import BCM600Sensor, DHT11Sensor, BrewSensor
+from brewCamera import BrewCamera
+from brewRelay import BrewRelay
+
+app = Flask(__name__)
+brewCamera = BrewCamera(20)
+
+def readYaml(filePath):
+  loader = yaml.SafeLoader
+  loader.add_constructor('!Relay', BrewRelay.fromYaml)
+  loader.add_constructor('!bcm600', BCM600Sensor.fromYaml)
+  loader.add_constructor('!dht11', DHT11Sensor.fromYaml)
+  return yaml.load(open(filePath, "rb"), Loader=loader)
+
+rangers = readYaml('brew.yaml')
+sensors = rangers['sensors']
+relays = rangers['relays']
+
+if sys.argv[-1] == '-c':
+    brewCamera.spawnBackgroundCapture()
+
+    for sensor in sensors:
+        sensor.spawnBackgroundSensorLog()
+
+def sensorTemp(location):
+    sensor = BrewSensor.getSensorByItsLocation(sensors, location)
+    if sensor:
+        return sensor.temp
+    return 'not found :('
+
+@app.route('/toggle/<controls>', methods=['POST', 'GET'])
+def toggle(controls):
+    if request.method == 'GET':
+        return redirect('/')
+
+    relay = BrewRelay.getRelayByWhatItControls(relays, controls)
+    if relay:
+        relay.set(not relay.state)
+        if relay.controls == 'light':
+            brewCamera.capture()
+    else:
+        print('relay {} not found'.format(controls))
+
+    return redirect('/')
+
+@app.route('/assets/<filename>')
+def assets(filename):
+    return send_file('./assets/{}'.format(filename))
+
+@app.route('/favicon.ico')
+def favicon():
+    faviconPath = os.path.join(app.root_path, 'assets/favicon')
+    return send_from_directory(faviconPath, 'favicon.ico')
+
+@app.route('/feed')
+def feed():
+    return send_file('./foo.jpg')
+
+@app.route('/')
+def index():
+    return render_template('./index.html',
+            sensors=sensors,
+            sensorTemp=sensorTemp,
+            relays=relays,
+            captureInterval=brewCamera.interval)
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0')