def fetch_snapshot_url(token):
headers = {
'Authorization': "Bearer {0}".format(token),
}
req = urllib2.Request(nest_api_url, None, headers)
response = urllib2.urlopen(req)
data = json.loads(response.read())
# Verify the account has devices
if 'devices' not in data:
raise APIError(error_result("Nest account has no devices"))
devices = data["devices"]
# verify the account has cameras
if 'cameras' not in devices:
raise APIError(error_result("Nest account has no cameras"))
cameras = devices["cameras"]
# Verify the account has 1 Nest Cam
if len(cameras.keys()) < 1:
raise APIError(error_result("Nest account has no cameras"))
camera_id = cameras.keys()[0]
camera = cameras[camera_id]
# Verify the Nest Cam has a Snapshot URL field
if 'snapshot_url' not in camera:
raise APIError(error_result("Camera has no snapshot URL"))
snapshot_url = camera["snapshot_url"]
return snapshot_url
def apierr_from_msg(code, err_msg="Error"):
# get additional message (not from the API), for next steps or more details.
help_msg = get_error_msg_help(code, '')
return APIError(
code, error_result("{0}: {1}. {2}".format(str(code), err_msg,
help_msg)))
def classify_remote_image(image_url):
# Attempt to Download
try:
image = download_image(image_url)
except IOError:
return error_result("Camera's Snapshot URL could not be downloaded")
# Attempt to Classify
try:
results = run_inference_on_image(image)
except:
return error_result("Could not classify the image")
return {
"image_url": image_url,
"results": results
}
def server_error(e):
return jsonify(error_result('500 - Server error'))
def page_not_found(e):
return jsonify(error_result('404 - Page not found'))