chore: Deprecating ENABLE_FLASK_COMPRESS (#10233)

Co-authored-by: John Bodley <john.bodley@airbnb.com>

UPDATING.md

@@ -23,6 +23,8 @@ assists people when migrating to a new version.
 
 ## Next
 
+* [10233](https://github.com/apache/incubator-superset/pull/10233): a change which deprecates the `ENABLE_FLASK_COMPRESS` config option in favor of the Flask-Compress `COMPRESS_REGISTER` config option which serves the same purpose.
+
 * [10222](https://github.com/apache/incubator-superset/pull/10222): a change which changes how payloads are cached. Previous cached objects cannot be decoded and thus will be reloaded from source.
 
 * [10130](https://github.com/apache/incubator-superset/pull/10130): a change which deprecates the `dbs.perm` column in favor of SQLAlchemy [hybird attributes](https://docs.sqlalchemy.org/en/13/orm/extensions/hybrid.html).

docs/installation.rst

@@ -228,7 +228,7 @@ Note that the development web
 server (`superset run` or `flask run`) is not intended for production use.
 
 If not using gunicorn, you may want to disable the use of flask-compress
-by setting `ENABLE_FLASK_COMPRESS = False` in your `superset_config.py`
+by setting `COMPRESS_REGISTER = False` in your `superset_config.py`
 
 Flask-AppBuilder Permissions
 ----------------------------

superset/app.py

@@ -588,8 +588,7 @@ class SupersetAppInitializer:
             )
 
         # Flask-Compress
-        if self.config["ENABLE_FLASK_COMPRESS"]:
-            Compress(self.flask_app)
+        Compress(self.flask_app)
 
         if self.config["TALISMAN_ENABLED"]:
             talisman.init_app(self.flask_app, **self.config["TALISMAN_CONFIG"])

superset/config.py

@@ -731,10 +731,6 @@ DB_CONNECTION_MUTATOR = None
 #        return f"-- [SQL LAB] {username} {dttm}\n{sql}"
 SQL_QUERY_MUTATOR = None
 
-# When not using gunicorn, (nginx for instance), you may want to disable
-# using flask-compress
-ENABLE_FLASK_COMPRESS = True
-
 # Enable / disable scheduled email reports
 ENABLE_SCHEDULED_EMAIL_REPORTS = False