PB-1083: Removed default icon set 'babs' from UNLISTED_ICON_SET

.env.local

@@ -1 +1,2 @@
-ALLOWED_DOMAINS=.*
+ALLOWED_DOMAINS=.*
+

README.md

@@ -192,4 +192,4 @@ The service is configured by Environment Variable:
 | WSGI_TIMEOUT | `5` | WSGI timeout. |
 | GUNICORN_TMPFS_DIR | `None` |The working directory for the gunicorn workers. |
 | WSGI_WORKERS | `2` | The number of workers per CPU. | 
-| UNLISTED_ICON_SETS | `'babs'`| Comma separated list of icon set to un-list. Those sets won't be listed in the /sets endpoint.  |
+| UNLISTED_ICON_SETS | | Comma separated list of icon set to un-list. Those sets won't be listed in the /sets endpoint.  |

app/helpers/icons.py

@@ -1,3 +1,6 @@
+import os
+
+
 def get_icon_set_template_url(base_url=''):
     """
     Generate and return a template URL to access icon_sets' metadata
@@ -14,3 +17,9 @@ def get_icon_template_url(base_url='', with_color=True):
         color_part = "-{r},{g},{b}"
     return f"{get_icon_set_template_url(base_url)}/icons/{{icon_name}}" \
            f"@{{icon_scale}}{color_part}.png"
+
+
+def fetch_and_clean_unlisted_sets():
+    unlisted_icon_sets = os.environ.get('UNLISTED_ICON_SETS', '').split(',')
+    cleaned_unlisted_icon_sets = [icon_set for icon_set in unlisted_icon_sets if icon_set]
+    return cleaned_unlisted_icon_sets

app/settings.py

@@ -1,5 +1,6 @@
 import os
 from pathlib import Path
+from app.helpers.icons import fetch_and_clean_unlisted_sets
 
 BASE_DIR = Path(__file__).resolve(strict=True).parent.parent
 ENV_FILE = os.getenv('ENV_FILE', f'{BASE_DIR}/.env.local')
@@ -15,7 +16,9 @@
 )
 
 COLORABLE_ICON_SETS = ['default']
-UNLISTED_ICON_SETS = os.environ.get('UNLISTED_ICON_SETS', 'babs').split(',')
+
+UNLISTED_ICON_SETS = fetch_and_clean_unlisted_sets()
+
 ICON_SET_LANGUAGE = {'babs-v2-de': 'de', 'babs-v2-fr': 'fr', 'babs-v2-it': 'it'}
 DEFAULT_COLOR = {"r": '255', "g": '0', "b": '0'}
 DEFAULT_ICON_SIZE = 48