Add pyproject.toml and run black on backend folder

Pipfile

@@ -0,0 +1,62 @@
+[[source]]
+name = "pypi"
+url = "https://pypi.org/simple"
+verify_ssl = true
+
+[dev-packages]
+
+[packages]
+amqp = "==2.5.2"
+backcall = "==0.1.0"
+billiard = "==3.6.2.0"
+brotlipy = "==0.7.0"
+celery = {extras = ["redis"],version = "==4.4.0"}
+certifi = "==2019.11.28"
+cffi = "==1.13.2"
+decorator = "==4.4.1"
+defusedxml = "==0.6.0"
+diff-match-patch = "==20181111"
+dj-database-url = "==0.5.0"
+django-import-export = "==2.0.1"
+django-js-reverse = "==0.9.1"
+django-log-request-id = "==1.4.1"
+django-model-utils = "==4.0.0"
+django-webpack-loader = "==0.6.0"
+django = "==2.2.9"
+et-xmlfile = "==1.0.1"
+gunicorn = "==20.0.4"
+ipython-genutils = "==0.2.0"
+ipython = "==7.12.0"
+jdcal = "==1.4.1"
+jedi = "==0.16.0"
+kombu = "==4.6.7"
+markuppy = "==1.14"
+odfpy = "==1.4.1"
+openpyxl = "==3.0.3"
+parso = "==0.6.0"
+pexpect = "==4.8.0"
+pickleshare = "==0.7.5"
+prompt-toolkit = "==3.0.3"
+psutil = "==5.6.7"
+psycopg2 = "==2.8.4"
+ptyprocess = "==0.6.0"
+pycparser = "==2.19"
+pygments = "==2.5.2"
+python-decouple = "==3.3"
+pytz = "==2019.3"
+pyyaml = "==5.3"
+redis = "==3.4.1"
+sentry-sdk = "==0.14.1"
+six = "==1.14.0"
+sqlparse = "==0.3.0"
+tablib = "==0.14.0"
+traitlets = "==4.3.3"
+urllib3 = "==1.25.8"
+vine = "==1.3.0"
+wcwidth = "==0.1.8"
+whitenoise = "==5.0.1"
+xlrd = "==1.2.0"
+xlwt = "==1.3.0"
+
+[requires]
+python_version = "3.8"

backend/common/context_processors.py

@@ -2,12 +2,8 @@
 
 
 def sentry_dsn(request):
-    return {
-        'SENTRY_DSN': settings.SENTRY_DSN
-    }
+    return {"SENTRY_DSN": settings.SENTRY_DSN}
 
 
 def commit_sha(request):
-    return {
-        'COMMIT_SHA': settings.COMMIT_SHA
-    }
+    return {"COMMIT_SHA": settings.COMMIT_SHA}

backend/common/management/commands/celery.py

@@ -13,7 +13,7 @@ def restart_celery():
     for proc in psutil.process_iter():
         if proc.username() != getpass.getuser():  # skip processes not owned by user
             continue
-        if proc.name() != 'celery':
+        if proc.name() != "celery":
             continue
         # SIGTERM should only be sent to parent process, never to children processes
         # see: https://github.com/celery/celery/issues/2700#issuecomment-259716123
@@ -28,5 +28,5 @@ def restart_celery():
 
 class Command(BaseCommand):
     def handle(self, *args, **kwargs):
-        print('Starting celery worker with autoreload')
+        print("Starting celery worker with autoreload")
         run_with_reloader(restart_celery)

backend/common/management/commands/has_missing_migrations.py

@@ -16,17 +16,19 @@ class Command(BaseCommand):
     (not necessaily applied though)
     Based on: https://gist.github.com/nealtodd/a8f87b0d95e73eb482c5
     """
+
     help = "Detect if any apps have missing migration files"
 
     def add_arguments(self, parser):
         parser.add_argument(
-            '--ignore',
-            action='store',
-            nargs='+',
-            dest='ignore',
+            "--ignore",
+            action="store",
+            nargs="+",
+            dest="ignore",
             default=[],
             help="Comma separated list of apps to ignore missing migration files. "
-            "Useful for specifying third-party ones here.")
+            "Useful for specifying third-party ones here.",
+        )
 
     def handle(self, *args, **options):
         changed = set()
@@ -39,17 +41,16 @@ def handle(self, *args, **options):
                 sys.exit("Unable to check migrations: cannot connect to database\n")
 
             autodetector = MigrationAutodetector(
-                executor.loader.project_state(),
-                ProjectState.from_apps(apps),
+                executor.loader.project_state(), ProjectState.from_apps(apps),
             )
             changed.update(autodetector.changes(graph=executor.loader.graph).keys())
 
-        changed -= set(options['ignore'])
+        changed -= set(options["ignore"])
 
         if changed:
             sys.exit(
-                "Apps with model changes but no corresponding migration file: %(changed)s\n" % {
-                    'changed': list(changed)
-                })
+                "Apps with model changes but no corresponding migration file: %(changed)s\n"
+                % {"changed": list(changed)}
+            )
         else:
             sys.stdout.write("All migration files present\n")

backend/common/models.py

@@ -5,8 +5,8 @@
 
 
 class IndexedTimeStampedModel(models.Model):
-    created = AutoCreatedField(_('created'), db_index=True)
-    modified = AutoLastModifiedField(_('modified'), db_index=True)
+    created = AutoCreatedField(_("created"), db_index=True)
+    modified = AutoLastModifiedField(_("modified"), db_index=True)
 
     class Meta:
         abstract = True

backend/common/utils/tests.py

@@ -5,10 +5,9 @@
 
 
 class TestCaseUtils(TestCase):
-
     def setUp(self):
-        self._user_password = '123456'
-        self.user = mommy.prepare('users.User', email='[email protected]')
+        self._user_password = "123456"
+        self.user = mommy.prepare("users.User", email="[email protected]")
         self.user.set_password(self._user_password)
         self.user.save()
 
@@ -53,14 +52,12 @@ def assertResponse404(self, response):
 
 
 class TestGetRequiresAuthenticatedUser:
-
     def test_get_requires_authenticated_user(self):
         response = self.client.get(self.view_url)
         self.assertResponse403(response)
 
 
 class TestAuthGetRequestSuccess:
-
     def test_auth_get_success(self):
         response = self.auth_client.get(self.view_url)
         self.assertResponse200(response)

backend/exampleapp/apps.py

@@ -4,4 +4,4 @@
 
 
 class ExampleappConfig(AppConfig):
-    name = 'exampleapp'
+    name = "exampleapp"

backend/manage.py

@@ -7,18 +7,22 @@
 
 
 if __name__ == "__main__":
-    settings_module = config('DJANGO_SETTINGS_MODULE', default=None)
+    settings_module = config("DJANGO_SETTINGS_MODULE", default=None)
 
-    if sys.argv[1] == 'test':
+    if sys.argv[1] == "test":
         if settings_module:
-            print("Ignoring config('DJANGO_SETTINGS_MODULE') because it's test. "
-                  "Using '{{project_name}}.settings.test'")
+            print(
+                "Ignoring config('DJANGO_SETTINGS_MODULE') because it's test. "
+                "Using '{{project_name}}.settings.test'"
+            )
         os.environ.setdefault("DJANGO_SETTINGS_MODULE", "{{project_name}}.settings.test")
     else:
         if settings_module is None:
-            print("Error: no DJANGO_SETTINGS_MODULE found. Will NOT start devserver. "
-                  "Remember to create .env file at project root. "
-                  "Check README for more info.")
+            print(
+                "Error: no DJANGO_SETTINGS_MODULE found. Will NOT start devserver. "
+                "Remember to create .env file at project root. "
+                "Check README for more info."
+            )
             sys.exit(1)
         os.environ.setdefault("DJANGO_SETTINGS_MODULE", settings_module)
 

backend/project_name/celery.py

@@ -10,9 +10,10 @@
 
 from .celerybeat_schedule import CELERYBEAT_SCHEDULE
 
+
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "{{project_name}}.settings.local")
 
-app = Celery('{{project_name}}_tasks')
-app.config_from_object('django.conf:settings', namespace='CELERY')
+app = Celery("{{project_name}}_tasks")
+app.config_from_object("django.conf:settings", namespace="CELERY")
 app.autodiscover_tasks(lambda: [n.name for n in apps.get_app_configs()])
 app.conf.update(CELERYBEAT_SCHEDULE=CELERYBEAT_SCHEDULE)

backend/project_name/celerybeat_schedule.py

@@ -3,8 +3,5 @@
 
 CELERYBEAT_SCHEDULE = {
     # Internal tasks
-    'clearsessions': {
-        'schedule': crontab(hour=3, minute=0),
-        'task': 'users.tasks.clearsessions'
-    },
+    "clearsessions": {"schedule": crontab(hour=3, minute=0), "task": "users.tasks.clearsessions"},
 }

backend/project_name/settings/base.py

@@ -17,108 +17,94 @@ def base_dir_join(*args):
 
 DEBUG = True
 
-ADMINS = (
-    ('Admin', '[email protected]'),
-)
+ADMINS = (("Admin", "[email protected]"),)
 
-AUTH_USER_MODEL = 'users.User'
+AUTH_USER_MODEL = "users.User"
 
 ALLOWED_HOSTS = []
 
 INSTALLED_APPS = [
-    'django.contrib.admin',
-    'django.contrib.auth',
-    'django.contrib.contenttypes',
-    'django.contrib.sessions',
-    'django.contrib.messages',
-    'django.contrib.staticfiles',
-
-    'django_js_reverse',
-    'webpack_loader',
-    'import_export',
-
-    'common',
-    'users',
+    "django.contrib.admin",
+    "django.contrib.auth",
+    "django.contrib.contenttypes",
+    "django.contrib.sessions",
+    "django.contrib.messages",
+    "django.contrib.staticfiles",
+    "django_js_reverse",
+    "webpack_loader",
+    "import_export",
+    "common",
+    "users",
 ]
 
 MIDDLEWARE = [
-    'django.middleware.security.SecurityMiddleware',
-    'whitenoise.middleware.WhiteNoiseMiddleware',
-    'django.contrib.sessions.middleware.SessionMiddleware',
-    'django.middleware.common.CommonMiddleware',
-    'django.middleware.csrf.CsrfViewMiddleware',
-    'django.contrib.auth.middleware.AuthenticationMiddleware',
-    'django.contrib.messages.middleware.MessageMiddleware',
-    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+    "django.middleware.security.SecurityMiddleware",
+    "whitenoise.middleware.WhiteNoiseMiddleware",
+    "django.contrib.sessions.middleware.SessionMiddleware",
+    "django.middleware.common.CommonMiddleware",
+    "django.middleware.csrf.CsrfViewMiddleware",
+    "django.contrib.auth.middleware.AuthenticationMiddleware",
+    "django.contrib.messages.middleware.MessageMiddleware",
+    "django.middleware.clickjacking.XFrameOptionsMiddleware",
 ]
 
-ROOT_URLCONF = '{{project_name}}.urls'
+ROOT_URLCONF = "{{project_name}}.urls"
 
 TEMPLATES = [
     {
-        'BACKEND': 'django.template.backends.django.DjangoTemplates',
-        'DIRS': [base_dir_join('templates')],
-        'APP_DIRS': True,
-        'OPTIONS': {
-            'context_processors': [
-                'django.template.context_processors.debug',
-                'django.template.context_processors.request',
-                'django.contrib.auth.context_processors.auth',
-                'django.contrib.messages.context_processors.messages',
-                'common.context_processors.sentry_dsn',
-                'common.context_processors.commit_sha',
+        "BACKEND": "django.template.backends.django.DjangoTemplates",
+        "DIRS": [base_dir_join("templates")],
+        "APP_DIRS": True,
+        "OPTIONS": {
+            "context_processors": [
+                "django.template.context_processors.debug",
+                "django.template.context_processors.request",
+                "django.contrib.auth.context_processors.auth",
+                "django.contrib.messages.context_processors.messages",
+                "common.context_processors.sentry_dsn",
+                "common.context_processors.commit_sha",
             ],
         },
     },
 ]
 
-WSGI_APPLICATION = '{{project_name}}.wsgi.application'
+WSGI_APPLICATION = "{{project_name}}.wsgi.application"
 
 AUTH_PASSWORD_VALIDATORS = [
-    {
-        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
-    },
-    {
-        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
-    },
-    {
-        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
-    },
-    {
-        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
-    },
+    {"NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator",},
+    {"NAME": "django.contrib.auth.password_validation.MinimumLengthValidator",},
+    {"NAME": "django.contrib.auth.password_validation.CommonPasswordValidator",},
+    {"NAME": "django.contrib.auth.password_validation.NumericPasswordValidator",},
 ]
 
-LANGUAGE_CODE = 'en-us'
+LANGUAGE_CODE = "en-us"
 
-TIME_ZONE = 'UTC'
+TIME_ZONE = "UTC"
 
 USE_I18N = True
 
 USE_L10N = True
 
 USE_TZ = True
 
-STATICFILES_DIRS = (
-    base_dir_join('../frontend'),
-)
+STATICFILES_DIRS = (base_dir_join("../frontend"),)
 
 # Webpack
 WEBPACK_LOADER = {
-    'DEFAULT': {
-        'CACHE': False,  # on DEBUG should be False
-        'STATS_FILE': base_dir_join('../webpack-stats.json'),
-        'POLL_INTERVAL': 0.1,
-        'IGNORE': ['.+\.hot-update.js', '.+\.map']
+    "DEFAULT": {
+        "CACHE": False,  # on DEBUG should be False
+        "STATS_FILE": base_dir_join("../webpack-stats.json"),
+        "POLL_INTERVAL": 0.1,
+        "IGNORE": [".+\.hot-update.js", ".+\.map"],
     }
 }
 
 # Celery
-CELERY_ACCEPT_CONTENT = ['json']
-CELERY_TASK_SERIALIZER = 'json'
-CELERY_RESULT_SERIALIZER = 'json'
+CELERY_ACCEPT_CONTENT = ["json"]
+CELERY_TASK_SERIALIZER = "json"
+CELERY_RESULT_SERIALIZER = "json"
 CELERY_ACKS_LATE = True
 
 # Sentry
-SENTRY_DSN = config('SENTRY_DSN', default='')
-COMMIT_SHA = config('HEROKU_SLUG_COMMIT', default='')
+SENTRY_DSN = config("SENTRY_DSN", default="")
+COMMIT_SHA = config("HEROKU_SLUG_COMMIT", default="")