Load YOLOCOLO templates from a "theme" folder..

..configurable using the THEME env var.

Defaults to normal Capsul theme.

capsulflask/__init__.py

@@ -2,6 +2,7 @@ import logging
 from logging.config import dictConfig as logging_dict_config
 
 import atexit
+import jinja2
 import os
 import hashlib
 import requests
@@ -71,7 +72,9 @@ app.config.from_mapping(
   #STRIPE_WEBHOOK_SECRET=os.environ.get("STRIPE_WEBHOOK_SECRET", default="")
 
   BTCPAY_PRIVATE_KEY=os.environ.get("BTCPAY_PRIVATE_KEY", default="").replace("\\n", "\n"),
-  BTCPAY_URL=os.environ.get("BTCPAY_URL", default="")
+  BTCPAY_URL=os.environ.get("BTCPAY_URL", default=""),
+
+  THEME=os.environ.get("THEME", default="")
 )
 
 app.config['HUB_URL'] = os.environ.get("HUB_URL", default=app.config['BASE_URL'])
@@ -154,6 +157,15 @@ is_running_server = ('flask run' in command_line) or ('gunicorn' in command_line
 
 app.logger.info(f"is_running_server: {is_running_server}")
 
+if app.config['THEME'] != "":
+  my_loader = jinja2.ChoiceLoader([
+    app.jinja_loader,
+    jinja2.FileSystemLoader(
+      [os.path.join('capsulflask', 'themes', app.config['THEME']),
+       'capsulflask/templates']),
+  ])
+  app.jinja_loader = my_loader
+
 if app.config['HUB_MODE_ENABLED']:
 
   if app.config['HUB_MODEL'] == "capsul-flask":