Set up GCL for python3 (#1573)

* Set up gcl

* move gcl to py3 only

* Update main.py

main.py

@@ -45,8 +45,13 @@ from pages import schedule
 from pages import users
 import settings
 
-logging.basicConfig(level=logging.INFO)
 
+# Sets up Cloud Logging client library.
+if not settings.UNIT_TEST_MODE and not settings.DEV_MODE:
+  import google.cloud.logging
+  client = google.cloud.logging.Client()
+  client.get_default_handler()
+  client.setup_logging()
 
 metrics_chart_routes = [
     ('/data/timeline/cssanimated', metricsdata.AnimatedTimelineHandler),

requirements.txt

@@ -6,6 +6,7 @@ funcsigs
 Flask==1.1.2
 google-cloud-tasks==1.5.0
 google-cloud-ndb
+google-cloud-logging
 
 # Required by google-cloud-tasks
 googleapis-common-protos==1.52.0

settings.py

@@ -47,11 +47,6 @@ DEV_MODE = (os.environ['SERVER_SOFTWARE'].startswith('Development') or
             os.environ.get('GAE_ENV', '').startswith('localdev'))
 UNIT_TEST_MODE = os.environ['SERVER_SOFTWARE'].startswith('test')
 
-if not UNIT_TEST_MODE:
-  # Configure logging to print INFO lines so that they are captured
-  # when written to stdout on GAE py3.
-  logging.basicConfig(level=logging.INFO)
-
 #setting GOOGLE_CLOUD_PROJECT manually in dev mode
 if DEV_MODE or UNIT_TEST_MODE:
   APP_ID = os.environ.get('GOOGLE_CLOUD_PROJECT', 'dev')