Various fixes

Signed-off-by: denim2x <denim2x@cyberdude.com>

app.yaml

@@ -3,5 +3,3 @@ env: flex
 entrypoint: python3 main.py
 runtime_config:
   python_version: 3.7
-automatic_scaling:
-  max_num_instances: 1

engine.py

@@ -3,6 +3,7 @@
 
 from walrus import Database
 from bareasgi import text_reader
+from redis.exceptions import ResponseError
 
 from util import *
 from scraper import scrape, parse
@@ -87,7 +88,10 @@ async def respond(scope, info, matches, content):
       url_db[res.name] = e['url']
       docs.add(res.name)
 
-  db.bgsave()
+  try:
+    db.bgsave()
+  except ResponseError:
+    print("[WARN] Redis: command 'BGSAVE' failed")
 
   answers = dialogflow.get_answers(text, filter=lambda a: a.source in docs)
   if answers:

util.py

@@ -35,10 +35,8 @@ def realpath(path):
 with open(realpath('config.yaml')) as f:
   config = yaml.load(f, Loader=yaml.SafeLoader)
 
-try:
-  from google.appengine.api import app_identity
-  project_id = app_identity.get_application_id()
-except:
+project_id = os.getenv('GOOGLE_CLOUD_PROJECT', None)
+if not project_id:
   with open(realpath('account.json')) as f:
     _account = json.load(f)
     project_id = _account['project_id']