示例#1
0
    def get(self):
        self.response.headers['Content-Type'] = 'text/plain'

        # Iterate through all cameras.
        q = CameraSource.all()
        q.filter("enabled =",True).filter("deleted =",False)

        # capturing an image and detect motion once for all cameras.
        for cam in q.fetch(MAX_CAMERAS):
            self.pollCamera(cam)

        self.response.out.write("done")
示例#2
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    def get(self):
        self.response.headers['Content-Type'] = 'text/plain'

        # Look for any cameras that have not polled recently.
        q = CameraSource.all()
        q.filter("enabled =",True).filter("deleted =",False)
        clocknow = datetime.now()
        for cam in q.fetch(MAX_CAMERAS):
            lastclock = memcache.get("camera{%s}.lastpoll_time" % cam.key())
            if lastclock is None or (clocknow - lastclock) > timedelta(minutes=5):
                # Queue a task to re-start polling for this camera.
                ImageFetcherTask.queueTask(cam.key())

        self.response.out.write("done")
示例#3
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    def get(self):
        numDeleted = 0
        try:
            # Look for CameraEvents marked deleted
            q = CameraEvent.all()
            q.filter("deleted =",True)
            for event in q.fetch(10):
                # Delete any frames belonging to this deleted CameraSource.
                q2 = CameraFrame.all()
                q2.filter("event_id =", event.key())
                if q2.count() > 0:
                    for frame in q2.fetch(500):
                        frame.delete()
                        numDeleted += 1
                else:
                    # No more frames belonging to this event, so delete it too.
                    event.delete()
                    numDeleted += 1

            # Look for CameraSources marked deleted
            q = CameraSource.all()
            q.filter("deleted =",True)
            for cam in q.fetch(10):
                # Mark any events belonging to this deleted CameraSource as deleted.
                q2 = CameraEvent.all()
                q2.filter("camera_id =", cam.key()).filter("deleted =",False)
                for event in q2.fetch(100):
                    numDeleted += 1
                    event.deleted = True
                    event.put()

                # Delete any frames belonging to this deleted CameraSource.
                q2 = CameraFrame.all()
                q2.filter("camera_id =", cam.key())
                for frame in q2.fetch(500):
                    frame.delete()
                    numDeleted += 1

                # Only delete the camera itself if nothing else needed to be done.
                if numDeleted == 0:
                    cam.delete()
                    numDeleted += 1

        except DeadlineExceededError:
            pass

        self.response.headers['Content-Type'] = 'text/plain'
        self.response.out.write("Deleted %d objects." % numDeleted)
示例#4
0
    def get(self):
        q = CameraSource.all()
        q.filter("deleted =", False).order("-creation_time")

        results = q.fetch(MAX_CAMERAS)
        startofweek = datetime.now().replace(hour=0, minute=0, second=0) - timedelta(days=datetime.now().isoweekday() % 7)
        #startofmonth = datetime.now().replace(day=1,hour=0,minute=0,second=0)
        startofmonth = datetime.now().replace(hour=0, minute=0, second=0) - timedelta(days=30)
        startofyesterday = datetime.now().replace(hour=0,minute=0,second=0) - timedelta(days=1)
        startoftoday = datetime.now().replace(hour=0,minute=0,second=0)

        for cam in results:

            # Generate a human-readable status indicator.
            # TODO: cam.enabled, cam.last_poll_time, cam.last_poll_result
            if not cam.enabled:
                cam.status_text = "Disabled"
            else:
                lastimg_time = memcache.get("camera{%s}.lastimg_time" % cam.key())
                if lastimg_time is None:
                    cam.status_text = "Enabled, but not recently polled"
                else:
                    td = (datetime.now() - lastimg_time)
                    cam.status_text = "Enabled, polled %s ago" % td


            # TODO: deleted frames should not be included in these counts.
            qf = CameraFrame.all(keys_only=True)
            qf.filter("camera_id =", cam.key())
            qe = CameraEvent.all(keys_only=True)
            qe.filter("deleted =", False).filter("camera_id =", cam.key())
            cam.ftotal = qf.count()
            cam.etotal = qe.count()

            qf.filter("image_time >=", startofmonth)
            qe.filter("event_start >=", startofmonth)
            cam.fthismonth = qf.count()
            cam.ethismonth = qe.count()

            qf.filter("image_time >=", startofweek)
            qe.filter("event_start >=", startofweek)
            cam.fthisweek = qf.count()
            cam.ethisweek = qe.count()

            qf.filter("image_time >=", startoftoday)
            qe.filter("event_start >=", startoftoday)
            cam.ftoday = qf.count()
            cam.etoday = qe.count()

            qf = CameraFrame.all(keys_only=True)
            qf.filter("camera_id =", cam.key())
            qf.filter("image_time >=", startofyesterday)
            qf.filter("image_time <", startoftoday)
            qe = CameraEvent.all(keys_only=True)
            qe.filter("deleted =", False)
            qe.filter("camera_id =", cam.key())
            qe.filter("event_start >=", startofyesterday)
            qe.filter("event_start <", startoftoday)
            cam.fyesterday = qf.count()
            cam.eyesterday = qe.count()


        template_values = {
            'user': users.get_current_user(),
            'logout_url': users.create_logout_url('/'),
            'camlist': results,
            'timenow': datetime.utcnow(),
            }

        path = os.path.join(os.path.dirname(__file__), 'inc/summary.html')
        self.response.out.write(template.render(path, template_values))