Доступ к SIFT из облачной функции Google

Question

Я пытаюсь использовать SIFT из OpenCV в облачной функции Google. Я столкнулся с проблемой из-за того факта, что SIFT на самом деле только в opencv-contrib-python для Python 3.

Журналы Firebase

  File "/env/local/lib/python3.7/site-packages/google/cloud/functions/worker.py", line 346, in run_http_function
    result = _function_handler.invoke_user_function(flask.request)
  File "/env/local/lib/python3.7/site-packages/google/cloud/functions/worker.py", line 217, in invoke_user_function
    return call_user_function(request_or_event)
  File "/env/local/lib/python3.7/site-packages/google/cloud/functions/worker.py", line 210, in call_user_function
    return self._user_function(request_or_event)
  File "/user_code/main.py", line 149, in findMatches
    maxMatches = siftMatcher(logoToSearch,cv_imgs[i])
  File "/user_code/main.py", line 80, in siftMatcher
    sift = cv2.xfeatures2d.SIFT_create()
AttributeError: module 'cv2.cv2' has no attribute 'xfeatures2d'

requirements.txt

# File: requirements.txt
opencv-python
opencv-contrib-python
...

main.py

# File: main.py
import cv2
...
sift = cv2.xfeatures2d.SIFT_create()