circle config: drop virtualenv, manual python/venv install

.circleci/config.yml

@@ -16,30 +16,27 @@ jobs:
       - restore_cache:
           key: venv-7-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "setup.py" }}
 
-      # - run:
-      #     name: Base dependencies
-      #     command: |
-      #       apt-get update
-      #       apt-get install -y python3
-
       - run:
-          name: Python 3 dependencies
+          name: Install dependencies
           command: |
-            # apt-get install -y python3-venv python3-dev
-            python3 -m venv local3
-            . local3/bin/activate
-            # pip install -U pip
-            # pip install cython  # avoids grpcio install bug (search _needs_stub)
+            which pip
+            pip -V
+            which pip3
+            pip3 -V
+            which python
+            python -V
+            which python3
+            python3 -V
+            pip install -U pip
             pip install -U -r requirements.txt
             pip install coverage coveralls
 
       - run:
-          name: Test Python 3
+          name: Run tests
           command: |
-            . local3/bin/activate
-            gcloud beta emulators datastore start --host-port=:8089 --no-store-on-disk --consistency=1.0 --quiet &
+            CLOUDSDK_CORE_PROJECT=granary-demo gcloud beta emulators datastore start --host-port=:8089 --no-store-on-disk --consistency=1.0 --quiet &
             sleep 5s
-            python3 -m coverage run --source=. --omit=appengine_config.py,cron.py,granary/tests/\*,local3/\*,oauth-dropins/\*,old_apps/\*,setup.py,test_\*,\*_live_test.py -m unittest discover -v
+            python -m coverage run --source=. --omit=appengine_config.py,cron.py,granary/tests/\*,oauth-dropins/\*,old_apps/\*,setup.py,test_\*,\*_live_test.py -m unittest discover -v
             kill %1
             PYTHONPATH= python ./instagram_live_test.py --debug
             python -m coverage html -d /tmp/coverage_html
@@ -48,7 +45,7 @@ jobs:
       - save_cache:
           key: venv-7-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "setup.py" }}
           paths:
-            - "local3"
+            - "/usr/local/lib/python3.7/site-packages/"
 
       - store_artifacts:
           path: /tmp/coverage_html

requirements.txt

@@ -9,6 +9,7 @@ flask~=2.0.2
 flask-caching~=1.10.1
 flask-gae-static
 google-cloud-logging~=2.7.0
+google-cloud-ndb~=1.2
 gunicorn~=20.1
 mox3~=1.1
 

setup.py

@@ -40,7 +40,6 @@
           'beautifulsoup4~=4.8',
           'brevity>=0.2.17',
           'feedgen~=0.9',
-          'google-cloud-ndb~=1.2',
           'html2text>=2019.8.11',
           'humanfriendly>=4.18,<11.0',
           'jinja2>=2.10,<4.0',