Upgrade to Python 3.8 and Node 14 (#420)

* Ignore milliseconds in check_time_overlap

Get rid of occasional "ValueError: unconverted data remains: .194818"

* Upgrade to Python 3.8 and dependencies

* Update and remove more Python libraries

* Upgrade to Node 14

Dockerfile

@@ -1,5 +1,5 @@
 # Stage 0 - Node build
-FROM node:8
+FROM node:14
 WORKDIR /meow
 ADD package.json package-lock.json /meow/
 RUN npm install
@@ -10,7 +10,7 @@ RUN npm run build-production
 # Slightly modified from
 # https://www.caktusgroup.com/blog/2017/03/14/production-ready-dockerfile-your-python-django-app/
 #FROM python:3.6-alpine
-FROM python:3.6
+FROM python:3.8
 ENV PYTHONDONTWRITEBYTECODE 1
 ENV PYTHONUNBUFFERED 1
 

meow/scheduler/views.py

@@ -262,7 +262,8 @@ def check_time_overlap(request):
 
     if 'pub_date' in request.data and 'pub_time' in request.data and 'selectedSection' in request.data:
         year, month, day = str(request.data['pub_date']).split('-')
-        new_pub_time = datetime.datetime.strptime(request.data['pub_time'],'%H:%M:%S')
+        request_pub_time = request.data['pub_time'].split('.')[0] # ignore milliseconds if present in string
+        new_pub_time = datetime.datetime.strptime(request_pub_time,'%H:%M:%S')
         meow_time_range = datetime.timedelta(minutes=15)
 
         posts = SMPost.objects.filter(pub_date=datetime.date(int(year), int(month), int(day))) \