support a media/ dir under the instance dir

this is for miscellaneous files that should be served directly rather
than being a page route

incorporealcms/__init__.py

@@ -3,7 +3,7 @@ import logging
 import os
 from logging.config import dictConfig
 
-from flask import Flask, request
+from flask import Flask, request, send_from_directory
 
 from ._version import get_versions
 
@@ -34,6 +34,11 @@ def create_app(instance_path=None, test_config=None):
     def log_request():
         logger.info("REQUEST: [ %s ]", request.path)
 
+    @app.route(f'/{app.config["MEDIA_DIR"]}/<path:filename>')
+    def media_files(filename):
+        return send_from_directory(os.path.join(app.instance_path, app.config['MEDIA_DIR']),
+                                   filename)
+
     from . import pages
     app.register_blueprint(pages.bp)
 

incorporealcms/config.py

@@ -33,3 +33,4 @@ class Config(object):
     }
 
     TITLE_SUFFIX = 'incorporeal.org'
+    MEDIA_DIR = 'media'