Format all the things (#991)

* Format Javascript and CSS files with `prettier`: `prettier --write 'CTFd/themes/**/*'`
* Format Python with `black`: `black CTFd` & `black tests`
* Travis now uses xenial instead of trusty.

tests/oauth/test_redirect.py

@@ -1,11 +1,13 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-from tests.helpers import (create_ctfd,
-                           destroy_ctfd,
-                           register_user,
-                           login_as_user,
-                           login_with_mlc)
+from tests.helpers import (
+    create_ctfd,
+    destroy_ctfd,
+    register_user,
+    login_as_user,
+    login_with_mlc,
+)
 from CTFd.models import Teams, Users
 from CTFd.utils import set_config
 
@@ -15,8 +17,8 @@ def test_oauth_not_configured():
     app = create_ctfd()
     with app.app_context():
         with app.test_client() as client:
-            r = client.get('/oauth', follow_redirects=False)
-            assert r.location == 'http://localhost/login'
+            r = client.get("/oauth", follow_redirects=False)
+            assert r.location == "http://localhost/login"
             r = client.get(r.location)
             resp = r.get_data(as_text=True)
             assert "OAuth Settings not configured" in resp
@@ -26,15 +28,17 @@ def test_oauth_not_configured():
 def test_oauth_configured_flow():
     """Test that MLC integration works properly but does not allow registration (account creation) if disabled"""
     app = create_ctfd(user_mode="teams")
-    app.config.update({
-        'OAUTH_CLIENT_ID': 'ctfd_testing_client_id',
-        'OAUTH_CLIENT_SECRET': 'ctfd_testing_client_secret',
-        'OAUTH_AUTHORIZATION_ENDPOINT': 'http://auth.localhost/oauth/authorize',
-        'OAUTH_TOKEN_ENDPOINT': 'http://auth.localhost/oauth/token',
-        'OAUTH_API_ENDPOINT': 'http://api.localhost/user',
-    })
+    app.config.update(
+        {
+            "OAUTH_CLIENT_ID": "ctfd_testing_client_id",
+            "OAUTH_CLIENT_SECRET": "ctfd_testing_client_secret",
+            "OAUTH_AUTHORIZATION_ENDPOINT": "http://auth.localhost/oauth/authorize",
+            "OAUTH_TOKEN_ENDPOINT": "http://auth.localhost/oauth/token",
+            "OAUTH_API_ENDPOINT": "http://api.localhost/user",
+        }
+    )
     with app.app_context():
-        set_config('registration_visibility', 'private')
+        set_config("registration_visibility", "private")
         assert Users.query.count() == 1
         assert Teams.query.count() == 0
 
@@ -43,15 +47,15 @@ def test_oauth_configured_flow():
         assert Users.query.count() == 1
 
         # Users shouldn't be able to register because registration is disabled
-        resp = client.get('http://localhost/login').get_data(as_text=True)
-        assert 'Public registration is disabled' in resp
+        resp = client.get("http://localhost/login").get_data(as_text=True)
+        assert "Public registration is disabled" in resp
 
-        set_config('registration_visibility', 'public')
+        set_config("registration_visibility", "public")
         client = login_with_mlc(app)
 
         # Users should be able to register now
         assert Users.query.count() == 2
-        user = Users.query.filter_by(email='user@ctfd.io').first()
+        user = Users.query.filter_by(email="user@ctfd.io").first()
         assert user.oauth_id == 1337
         assert user.team_id == 1
 
@@ -60,38 +64,40 @@ def test_oauth_configured_flow():
         team = Teams.query.filter_by(id=1).first()
         assert team.oauth_id == 1234
 
-        client.get('/logout')
+        client.get("/logout")
 
         # Users should still be able to login if registration is disabled
-        set_config('registration_visibility', 'private')
+        set_config("registration_visibility", "private")
         client = login_with_mlc(app)
         with client.session_transaction() as sess:
-            assert sess['id']
-            assert sess['name']
-            assert sess['type']
-            assert sess['email']
-            assert sess['nonce']
+            assert sess["id"]
+            assert sess["name"]
+            assert sess["type"]
+            assert sess["email"]
+            assert sess["nonce"]
     destroy_ctfd(app)
 
 
 def test_oauth_login_upgrade():
     """Test that users who use MLC after having registered will be associated with their MLC account"""
     app = create_ctfd(user_mode="teams")
-    app.config.update({
-        'OAUTH_CLIENT_ID': 'ctfd_testing_client_id',
-        'OAUTH_CLIENT_SECRET': 'ctfd_testing_client_secret',
-        'OAUTH_AUTHORIZATION_ENDPOINT': 'http://auth.localhost/oauth/authorize',
-        'OAUTH_TOKEN_ENDPOINT': 'http://auth.localhost/oauth/token',
-        'OAUTH_API_ENDPOINT': 'http://api.localhost/user',
-    })
+    app.config.update(
+        {
+            "OAUTH_CLIENT_ID": "ctfd_testing_client_id",
+            "OAUTH_CLIENT_SECRET": "ctfd_testing_client_secret",
+            "OAUTH_AUTHORIZATION_ENDPOINT": "http://auth.localhost/oauth/authorize",
+            "OAUTH_TOKEN_ENDPOINT": "http://auth.localhost/oauth/token",
+            "OAUTH_API_ENDPOINT": "http://api.localhost/user",
+        }
+    )
     with app.app_context():
         register_user(app)
         assert Users.query.count() == 2
-        set_config('registration_visibility', 'private')
+        set_config("registration_visibility", "private")
 
         # Users should still be able to login
         client = login_as_user(app)
-        client.get('/logout')
+        client.get("/logout")
 
         user = Users.query.filter_by(id=2).first()
         assert user.oauth_id is None