refactor: ensure Django 3.2 compatibility

* refactor: ensure Django 3.2 compatibility
* replace travis by CircleCI
* bump Django min/max versions
* refactor setup.py
* bump xblock-sdk dependency
* add tox for test running
* bump package version
* chore: update translations
* chore: extend gitignore
* feat: upgrade poll XBlock to use celery 5.0+ features

.circleci/config.yml

@@ -0,0 +1,78 @@
+version: 2.1
+
+orbs:
+  browser-tools: circleci/browser-tools@1.2.3
+
+commands:
+  install-dependencies:
+    steps:
+      - run:
+          name: Install OS dependencies
+          command: |
+            sudo apt update && sudo apt install -y nodejs npm gettext
+            # Upgrade nodejs after node-gyp installed properly
+            curl -sL https://deb.nodesource.com/setup_16.x | sudo -E bash -
+            sudo apt install -y nodejs
+      - run:
+          name: Install project dependencies
+          command: |
+            pip install tox
+            make requirements
+
+jobs:
+  quality:
+    docker:
+      # Always run with the minimum supported version
+      # to avoid new language feature checkes like f-strings
+      - image: cimg/python:2.7
+    steps:
+      - checkout
+      - install-dependencies
+      - run:
+          name: Check code quality
+          command: |
+            tox -e quality
+  test:
+    parameters:
+      image:
+        type: string
+      tox-env:
+        type: string
+    docker:
+      - image: << parameters.image >>
+    steps:
+      - checkout
+      - browser-tools/install-firefox
+      - browser-tools/install-geckodriver
+      - install-dependencies
+      - run:
+          name: Test << parameters.tox-env >>
+          command: |
+            tox -e << parameters.tox-env >>
+
+workflows:
+  version: 2
+  main:
+    jobs:
+      - quality
+      - test:
+          requires:
+            - quality
+          matrix:
+            parameters:
+              image: ["cimg/python:2.7-browsers"]
+              tox-env: ["py27-django111"]
+      - test:
+          requires:
+            - quality
+          matrix:
+            parameters:
+              image: ["cimg/python:3.6-browsers"]
+              tox-env: ["py36-django22", "py36-django32"]
+      - test:
+          requires:
+            - quality
+          matrix:
+            parameters:
+              image: ["cimg/python:3.8-browsers"]
+              tox-env: ["py38-django22", "py38-django32"]

.gitignore

@@ -130,3 +130,9 @@ Session.vim
 
 # KDE directory preferences
 .directory
+
+# Gecko logs
+geckodriver.log
+
+# Misc
+.DS_Store

Makefile

@@ -2,10 +2,9 @@
 
 .DEFAULT_GOAL := help
 
-FIREFOX_VERSION := $(shell grep firefox -- .travis.yml  | egrep -o [0-9\.]+)
+FIREFOX_VERSION := "94.0.1"
 FIREFOX_LINUX_ARCH := $(shell uname -m)
 
-
 help: ## display this help message
 	@echo "Please use \`make <target>' where <target> is one of"
 	@perl -nle'print $& if m{^[a-zA-Z_-]+:.*?## .*$$}' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m  %-25s\033[0m %s\n", $$1, $$2}'
@@ -35,7 +34,7 @@ node_requirements: ## Install requirements for handlebar templates i18n extracti
 python_requirements: ## install development environment requirements
 	pip install -r requirements.txt --exists-action w
 	pip install -r requirements-dev.txt --exists-action w
-	cd $(VIRTUAL_ENV)/src/xblock-sdk && \
+	cd ./src/xblock-sdk && \
 		pip install -r requirements/base.txt && \
 		pip install -r requirements/test.txt
 	pip install -e .