Add config option for theme directory for easier overrides of CSS/favicon.

bemani/data/config.py

@@ -193,6 +193,10 @@ class Config(dict):
     def cache_dir(self) -> str:
         return os.path.abspath(str(self.get('cache_dir', '/tmp')))
 
+    @property
+    def theme(self) -> str:
+        return str(self.get('theme', 'default'))
+
     @property
     def event_log_duration(self) -> Optional[int]:
         duration = self.get('event_log_duration')

bemani/frontend/app.py

@@ -235,6 +235,20 @@ def valid_pin(pin: str, type: str) -> bool:
         return False
 
 
+# Define useful functions for jnija2
+def jinja2_any(lval: Optional[List[Any]], pull: str, equals: str) -> bool:
+    if lval is None:
+        return False
+    for entry in lval:
+        if entry[pull] == equals:
+            return True
+    return False
+
+
+def jinja2_theme(filename: str) -> str:
+    return url_for('static', filename=f"{config.theme}/{filename}")
+
+
 @app.context_processor
 def navigation() -> Dict[str, Any]:
     # Look up JSX components we should provide for every page load
@@ -244,15 +258,6 @@ def navigation() -> Dict[str, Any]:
         if re.search(r'\.react\.js$', f)
     ]
 
-    # Define useful functions for jnija2
-    def jinja2_any(lval: Optional[List[Any]], pull: str, equals: str) -> bool:
-        if lval is None:
-            return False
-        for entry in lval:
-            if entry[pull] == equals:
-                return True
-        return False
-
     # Look up the logged in user ID.
     try:
         if g.userID is not None:
@@ -262,6 +267,7 @@ def navigation() -> Dict[str, Any]:
             return {
                 'components': components,
                 'any': jinja2_any,
+                'theme_url': jinja2_theme,
             }
     except AttributeError:
         # If we are trying to render a 500 error and we couldn't even run the
@@ -270,6 +276,7 @@ def navigation() -> Dict[str, Any]:
         return {
             'components': components,
             'any': jinja2_any,
+            'theme_url': jinja2_theme,
         }
 
     pages: List[Dict[str, Any]] = []
@@ -747,4 +754,5 @@ def navigation() -> Dict[str, Any]:
         'navigation': pages,
         'components': components,
         'any': jinja2_any,
+        'theme_url': jinja2_theme,
     }

bemani/frontend/templates/base.html

@@ -3,12 +3,12 @@
 		{% if title %}
 		<title>{{ title }}</title>
 		{% endif %}
-        <link rel="icon" type="image/png" href="{{ url_for('static', filename='favicon.png') }}" />
-        <link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='site.css') }}" />
-        <link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='color.css') }}" />
-        <link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='form.css') }}" />
-        <link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='section.css') }}" />
-        <link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='table.css') }}" />
+        <link rel="icon" type="image/png" href="{{ theme_url('favicon.png') }}" />
+        <link rel="stylesheet" type="text/css" href="{{ theme_url('site.css') }}" />
+        <link rel="stylesheet" type="text/css" href="{{ theme_url('color.css') }}" />
+        <link rel="stylesheet" type="text/css" href="{{ theme_url('form.css') }}" />
+        <link rel="stylesheet" type="text/css" href="{{ theme_url('section.css') }}" />
+        <link rel="stylesheet" type="text/css" href="{{ theme_url('table.css') }}" />
         <link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='jquery-confirm.css') }}" />
         <meta name="viewport" content="width=device-width, initial-scale=1">
         <script type="text/javascript" src="{{ url_for('static', filename='chart.bundle.min.js') }}"></script>

config/server.yaml

@@ -76,3 +76,5 @@ cache_dir: '/tmp'
 # Number of seconds to preserve event logs before deleting them.
 # Set to zero or delete to disable deleting logs.
 event_log_duration: 2592000
+# Frontend theme directory where sitewide CSS and favicon should be found.
+theme: "default"