Restore timelapse button status on reload

phytopi/camera/camera.py

@@ -5,6 +5,7 @@ import stat
 import subprocess
 import signal
 
+from time import sleep
 from enum import Enum
 from PIL import Image
 from phytopi import db, models, app
@@ -56,21 +57,27 @@ class CameraWorker(object):
         os.unlink(self.pidfile)
         self.status = CameraStatus.STOPPED
 
-    def send_cmd(self, cmd):
+    def _send_cmd(self, cmd):
         with open(self.fifo, 'w') as fh:
             fh.write('{}\n'.format(cmd))
 
+    def _send_cmds(self, cmds):
+        for cmd in cmds:
+            self._send_cmd(cmd)
+            # don't flood the fifo
+            sleep(1)
+
     def start_timelapse(self, interval=300):
         if self.status == CameraStatus.IDLE:
-            self.send_cmd('tv {}'.format(str(interval)))
-            self.send_cmd('tl 1')
+            cmds = ['tv {}'.format(interval), 'tl 1']
+            self._send_cmds(cmds)
             self.status = CameraStatus.TIMELAPSE
         else:
             raise CameraActionError('Camera not idle!')
 
     def stop_timelapse(self):
         if self.status == CameraStatus.TIMELAPSE:
-            self.send_cmd('tl 0')
+            self._send_cmd('tl 0')
             self.status == CameraStatus.IDLE
         else:
             raise CameraActionError('Camera not in timelapse mode!')
@@ -80,6 +87,4 @@ class CameraWorker(object):
         img = Image.open('/dev/shm/mjpeg/cam.jpg')
         img.save(output, format='JPEG')
         output.seek(0, 0)
-        return output.getvalue()
-
-            
+        return output.getvalue()

phytopi/routes.py

@@ -12,12 +12,17 @@ import zipstream
 
 camera = CameraWorker(app=app)
 camera.start()
-save_frames = False
+
 
 @app.route('/')
 @app.route('/index')
 def index():
-    content = {'timelapse': save_frames}
+    global camera
+    if camera.status == CameraStatus.TIMELAPSE:
+        timelapse = True
+    else:
+        timelapse = False
+    content = {'timelapse': timelapse}
     return render_template('index.html', content=content)
 
 @app.route('/toggle_timelapse', methods=['GET', 'POST'])