def video_list(request):
"""
List all code snippets, or create a new snippet.
"""
if request.method == 'GET':
snippets = TutorialResource.objects.filter(status=1, id=1)
serializer = VideoSerializer(snippets, many=True)
return JsonResponse(serializer.data, safe=False)
elif request.method == 'POST':
data = JSONParser().parse(request)
serializer = VideoSerializer(data=data)
if serializer.is_valid():
serializer.save()
return JsonResponse(serializer.data, status=201)
return JsonResponse(serializer.errors, status=400)
def get_tutorial_list(request, fossid, langid):
"""
Retrieve, update or delete a code snippet.
"""
try:
tuts = TutorialResource.objects.filter(Q(status=1) | Q(status=2),
language_id=langid,
tutorial_detail_id__foss=fossid)
except ObjectDoesNotExist:
return HttpResponse(status=404)
if request.method == 'GET':
serializer = VideoSerializer(tuts, many=True)
return JsonResponse(serializer.data, safe=False)
elif request.method == 'PUT':
data = JSONParser().parse(request)
serializer = VideoSerializer(tut, data=data)
if serializer.is_valid():
serializer.save()
return JsonResponse(serializer.data)
return JsonResponse(serializer.errors, status=400)
elif request.method == 'DELETE':
tut.delete()
return HttpResponse(status=204)
def video_list(request, pk):
try:
word = Word.objects.get(pk=pk)
except Word.DoesNotExist:
return JsonResponse({"error": f"Word with id {pk} not found"},
status=status.HTTP_404_NOT_FOUND)
if request.method == 'GET':
videos = word.get_all_videos()
serializer = VideoSerializer(videos, many=True)
return Response(serializer.data)
def post(self, request, *args, **kwargs):
def create_video_thumbnail(video_obj):
video_path = os.path.join(MEDIA_ROOT, video_obj.video.name)
with VideoFileClip(video_path, audio=False) as clip:
max_duration = int(clip.duration) + 1
print(max_duration)
frame_at_second = 3
thumbnail_frame = clip.get_frame(frame_at_second)
video_thumbnail = Image.fromarray(thumbnail_frame)
thumbnail_path = os.path.join(AZURE_STATIC_ROOT,
f"{video}.jpg")
video_thumbnail.save(thumbnail_path)
# create an ImageFile compatable with Django's ORM/Postgres
try:
thumbnail_buffer = open(thumbnail_path, "rb")
except FileExistsError:
raise Exception(
"thumbnail file not captured from video properly")
thumbnail = File(thumbnail_buffer)
video.video_thumbnail.save(f"{video}.jpg", thumbnail)
serializer = VideoSerializer(data=request.data)
if serializer.is_valid():
video = serializer.save(creator=request.user)
serializer.save()
create_video_thumbnail(video)
return Response(data=serializer.data,
status=status.HTTP_201_CREATED)
return Response(data=serializer.errors,
status=status.HTTP_400_BAD_REQUEST)
def get_tutorial_list(request, fossid, langid):
"""
Retrieve, update or delete a code snippet.
"""
try:
tuts = TutorialResource.objects.filter(language_id=langid, tutorial_detail_id__foss=fossid,status=1)
except ObjectDoesNotExist:
return HttpResponse(status=404)
if request.method == 'GET':
serializer = VideoSerializer(tuts, many=True)
return JsonResponse(serializer.data, safe=False)
elif request.method == 'PUT':
data = JSONParser().parse(request)
serializer = VideoSerializer(tut, data=data)
if serializer.is_valid():
serializer.save()
return JsonResponse(serializer.data)
return JsonResponse(serializer.errors, status=400)
elif request.method == 'DELETE':
tut.delete()
return HttpResponse(status=204)
def video_list(request):
"""
List all code snippets, or create a new snippet.
"""
if request.method == 'GET':
snippets = TutorialResource.objects.filter(status=1, id=1)
serializer = VideoSerializer(snippets, many=True)
return JsonResponse(serializer.data, safe=False)
elif request.method == 'POST':
data = JSONParser().parse(request)
serializer = VideoSerializer(data=data)
if serializer.is_valid():
serializer.save()
return JsonResponse(serializer.data, status=201)
return JsonResponse(serializer.errors, status=400)
def get(self, request, format=None):
try:
if request.auth == None:
raise PermissionDenied
queryset = Video.objects.all()
serializer = VideoSerializer(queryset, many=True)
res = {'videoList': serializer.data} # 응답코드에 포함될 데이터
return Response(res, status=status.HTTP_200_OK)
except FieldDoesNotExist as error:
return Response(
{
'error': "FieldDoesNotExist ",
'date': datetime.now()
},
status=status.HTTP_400_BAD_REQUEST)
except PermissionDenied as error:
return Response(
{
'error': "PermissionDenied",
'date': datetime.now()
},
status=status.HTTP_400_BAD_REQUEST)
def record() :
path = '/home/pi/recorded' # save path
target = Record.objects.get(id = 1)
serializer = RecordSerializer(target, many = False)
state = serializer.data['recording']
# rpi setting
GPIO.setmode(GPIO.BCM)
pir_pin = 7
GPIO.setup(pir_pin, GPIO.IN)
camera = PiCamera()
try:
while state :
target = Record.objects.get(id = 1)
serializer = RecordSerializer(target, many = False)
state = serializer.data['recording']
if GPIO.input(pir_pin): # motion detected
print("motion detected")
# take a video
camera.resolution = [320, 240]
camera.start_preview()
now = datetime.datetime.now()
start_time = time.time()
vid_name = now.strftime('%Y%m%d-%H%M%S')
vid_path = path + '/' + vid_name
h264_vid_path = vid_path + '.h264'
mp4_vid_path = vid_path + '.mp4'
thumbnail_path = path + '/' + vid_name + '.jpg'
camera.start_recording(output=h264_vid_path)
time.sleep(1)
camera.capture(thumbnail_path)
while GPIO.input(pir_pin) :
print("recoring..")
time.sleep(2)
camera.stop_recording()
camera.stop_preview()
result = subprocess.check_output("MP4Box -add {} {}".format(h264_vid_path, mp4_vid_path), shell=True)
print(result)
vid_time = time.strftime("%M:%S", time.gmtime(time.time()-start_time))
# s3 upload
s3 = boto3.client('s3', region_name = 'ap-northeast-2', aws_access_key_id=S3_ACCESS_KEY_ID, aws_secret_access_key=S3_SECRET_ACCESS_KEY)
s3.upload_file(Filename = mp4_vid_path, Bucket = S3_STORAGE_BUCKET_NAME, Key = vid_name + '.mp4')
s3.upload_file(Filename = thumbnail_path, Bucket = S3_STORAGE_BUCKET_NAME, Key = vid_name + '_thumb.jpg')
uploadVideo = {}
uploadVideo['vid_name'] = vid_name
uploadVideo['created'] = now
uploadVideo['vid_time'] = vid_time
uploadVideo['thumb'] = S3_ACCESS_URL + vid_name + '_thumb.jpg'
serializer = VideoSerializer(data = uploadVideo)
serializer.is_valid()
serializer.save()
print(vid_path, "upload success")
os.remove(h264_vid_path)
os.remove(mp4_vid_path)
os.remove(thumbnail_path)
else:
camera.stop_preview()
except KeyboardInterrupt:
print("quit")
GPIO.cleanup()
