def _upload_preview_image(self):
os.makedirs(os.path.join(os.getcwd(), 'preview_images'), 0755)
raw_image = os.path.join(os.getcwd(), 'preview_images',
self.channel + '_' + self._ip)
thumbnail = os.path.join(os.getcwd(), 'preview_images',
self.channel + '_' + self._ip)
upload_client = UploadClient(self._upload_server, self._project_name,
self._ivt.id, self._ivt.login_passwd,
self.channel)
while True:
try:
if self._is_online != self.STATE_OFFLINE:
res = requests.get('http://{0}/snapshot_ch=1'.format(
self._ip),
stream=True)
res.raise_for_status()
for data in res.iter_content(1024):
with open(raw_image, 'wb') as f:
f.write(data)
# TODO scale image down
# upload image to IVC
with open(thumbnail, 'rb') as f:
upload_client.upload(f)
except Exception:
try:
res.close()
except Exception:
pass
log.exception(
'Failed to fetch or upload preview image of {0}'.format(
self))
finally:
gevent.sleep(self._upload_interval)
