add favicon support

src/c3nav/api/templates/rest_framework/api.html

@@ -9,6 +9,9 @@
 {% block meta %}
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta name="robots" content="NONE,NOARCHIVE" />
+{% if favicon %}
+    <link href="{% static favicon %}" rel="icon">
+{% endif %}
 {% endblock %}
 
 {% block style %}

src/c3nav/editor/templates/editor/base.html

@@ -7,6 +7,9 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, user-scalable=no">
     <title>{% trans 'c3nav map editor' %}</title>
+    {% if favicon %}
+        <link href="{% static favicon %}" rel="icon">
+    {% endif %}
     {% compress css %}
         <link href="{% static 'bootstrap/css/bootstrap.css' %}" rel="stylesheet">
         <link href="{% static 'leaflet/leaflet.css' %}" rel="stylesheet">

src/c3nav/settings.py

@@ -280,7 +280,7 @@ TEMPLATES = [
                 'django.template.context_processors.request',
                 'django.contrib.auth.context_processors.auth',
                 'django.contrib.messages.context_processors.messages',
-                'c3nav.site.context_processors.header_logo',
+                'c3nav.site.context_processors.logos',
             ],
             'loaders': template_loaders
         },
@@ -292,7 +292,7 @@ STATICFILES_FINDERS = (
     'django.contrib.staticfiles.finders.FileSystemFinder',
     'django.contrib.staticfiles.finders.AppDirectoriesFinder',
     'compressor.finders.CompressorFinder',
-    'c3nav.site.finders.HeaderLogoFinder',
+    'c3nav.site.finders.LogoFinder',
 )
 
 BOOTSTRAP3 = {
@@ -315,7 +315,8 @@ COMPRESS_CSS_FILTERS = (
 )
 
 HEADER_LOGO = config.get('c3nav', 'header_logo', fallback=None)
-HEADER_LOGO_NAME = ('logo/'+os.path.basename(HEADER_LOGO)) if HEADER_LOGO else None
+FAVICON = config.get('c3nav', 'favicon', fallback=None)
+
 PRIMARY_COLOR = config.get('c3nav', 'primary_color', fallback='')
 HEADER_BACKGROUND_COLOR = config.get('c3nav', 'header_background_color', fallback='')
 HEADER_TEXT_COLOR = config.get('c3nav', 'header_text_color', fallback='')

src/c3nav/site/context_processors.py

@@ -1,7 +1,12 @@
-from django.conf import settings
+import os
 
+from c3nav.site.finders import logo_paths
 
-def header_logo(request):
-    return {
-        'header_logo': settings.HEADER_LOGO_NAME
+logos_result = {
+    prefix: os.path.join(prefix, os.path.basename(path)) if path else None
+    for prefix, path in logo_paths.items()
 }
+
+
+def logos(request):
+    return logos_result

src/c3nav/site/finders.py

@@ -4,17 +4,33 @@ from django.conf import settings
 from django.contrib.staticfiles.finders import BaseFinder
 from django.core.files.storage import FileSystemStorage
 
+logo_paths = {
+    'header_logo': settings.HEADER_LOGO,
+    'favicon': settings.FAVICON,
+}
 
-class HeaderLogoFinder(BaseFinder):
+logofinder_results = {
+    os.path.join(prefix, os.path.basename(path)): path
+    for prefix, path in logo_paths.items()
+}
+
+
+class LogoFinder(BaseFinder):
     def find(self, path, all=False):
-        if path == settings.HEADER_LOGO_NAME:
-            return [settings.HEADER_LOGO] if all else settings.HEADER_LOGO
+        result = logofinder_results.get(path)
+        if not result:
             return []
+        if all:
+            return [result]
+        return result
 
     def list(self, ignore_patterns):
-        if not settings.HEADER_LOGO:
-            return []
-        basedir, filename = os.path.split(settings.HEADER_LOGO)
+        result = []
+        for prefix, path in logo_paths.items():
+            if not path:
+                continue
+            basedir, filename = os.path.split(path)
             storage = FileSystemStorage(location=basedir)
-        storage.prefix = 'logo'
-        return [(filename, storage)]
+            storage.prefix = prefix
+            result.append((filename, storage))
+        return result

src/c3nav/site/templates/site/base.html

@@ -7,6 +7,9 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, user-scalable=no">
     <title>{% block title %}c3nav{% endblock %}</title>
+    {% if favicon %}
+        <link href="{% static favicon %}" rel="icon">
+    {% endif %}
     {% compress css %}
         <link href="{% static 'fonts/fonts.css' %}" rel="stylesheet">
         <link href="{% static 'normalize/normalize.css' %}" rel="stylesheet">