Add make fetch target using venv and add to ailab step

.gitlab-ci.yml

@@ -90,4 +90,5 @@ ailab:
     - pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple
     - pip install -r requirements.txt
   script:
+    - make fetch
     - date

Makefile

@@ -1,4 +1,6 @@
-.PHONY: FORCE emblemscanner-release
+.PHONY: FORCE emblemscanner-release fetch
+
+DATA_DIR ?= ../data
 
 IMAGE_TAG := $(shell git rev-parse --short HEAD)
 IMAGE_REPO := registry.gitlab.com/euphon/themblem
@@ -84,6 +86,10 @@ deploy-api-prod:
 test: FORCE
 	cd api; ./manage.py migrate && ./manage.py test tests
 
+fetch: FORCE
+	cd emblem5 && ../venv/bin/python ai/fetch-scans.py --data-dir $(DATA_DIR)
+	cd emblem5 && ../venv/bin/python ai/make-sbs.py --data-dir $(DATA_DIR)
+
 OPENCV_TAG := 4.9.0
 opencv/src/LICENSE:
 	rm -rf opencv/src opencv/contrib