def camera_streams(app, ftp_client, image_downloader):
ic = ImageCounter()
with app.app_context():
while is_enabled():
time.sleep(2)
app.logger.info('sending stream')
ip_cameras = IPCamera.query.all()
for cam in ip_cameras:
if not cam.ftp:
# check if remote folder exists
if cam.name not in ftp_client.ls():
app.logger.warning('Folder ' + cam.name + " not found")
continue
files = ftp_client.ls(cam.name)
image_counter = ic.extract_next(cam.id, files)
image_name = ic.build_name(image_counter)
remote_file_path = os.path.join(cam.name, image_name)
# image_downloader = ImageDownloader(cam.host, cam.port)
image_content = image_downloader.get_image(
cam.host, cam.port)
app.logger.info('uploading file:' + remote_file_path)
ftp_client.upload_content(remote_file_path, image_content)
def gen_serve_upload(self, app):
# it bounds the life of the thread to the life of the flask app
with app.app_context():
ic = ImageCounter()
while self.is_enabled():
file_path = self.image_generator.generate()
app.logger.info('serving')
self.serve(file_path)
if self.is_ftp_supported():
# check if remote folder exists
if self.camera_name not in self.ftp_client.ls():
app.logger.warning('Folder ' + self.camera_name +
" not found")
continue
files = self.ftp_client.ls(self.camera_name)
image_counter = ic.extract_next(1, files)
image_name = ic.build_name(image_counter)
remote_file_path = os.path.join(self.camera_name,
image_name)
self.ftp_client.upload_file(remote_file_path, file_path)
def test_extract_next_empty(self):
image_counter = ImageCounter()
files = []
assert image_counter.extract_next(1, files) == 1
def test_extract_next(self):
image_counter = ImageCounter()
files = ['image0001.jpg', 'image0002.jpg', 'image0003.jpg']
assert image_counter.extract_next(1, files) == 4