diff --git a/bowerstatic/renderer.py b/bowerstatic/renderer.py
index bcaba45..a29de8e 100644
--- a/bowerstatic/renderer.py
+++ b/bowerstatic/renderer.py
@@ -35,8 +35,10 @@ def renderer(self, resource):
def make_renderer(renderer):
if isinstance(renderer, string_types):
def string_renderer(resource):
- return renderer.format(url=resource.url(),
- content=resource.content())
+ if '{content}' in renderer:
+ return renderer.format(content=resource.content())
+ else:
+ return renderer.format(url=resource.url())
return string_renderer
if callable(renderer):
diff --git a/bowerstatic/tests/bower_components/favicon_main/.bower.json b/bowerstatic/tests/bower_components/favicon_main/.bower.json
new file mode 100644
index 0000000..006ae50
--- /dev/null
+++ b/bowerstatic/tests/bower_components/favicon_main/.bower.json
@@ -0,0 +1,7 @@
+{
+ "name": "favicon_main",
+ "version": "1.0.0",
+ "main": [
+ "dist/favicon.ico"
+ ]
+}
diff --git a/bowerstatic/tests/bower_components/favicon_main/bower.json b/bowerstatic/tests/bower_components/favicon_main/bower.json
new file mode 100644
index 0000000..006ae50
--- /dev/null
+++ b/bowerstatic/tests/bower_components/favicon_main/bower.json
@@ -0,0 +1,7 @@
+{
+ "name": "favicon_main",
+ "version": "1.0.0",
+ "main": [
+ "dist/favicon.ico"
+ ]
+}
diff --git a/bowerstatic/tests/bower_components/favicon_main/dist/favicon.ico b/bowerstatic/tests/bower_components/favicon_main/dist/favicon.ico
new file mode 100644
index 0000000..3455c3f
Binary files /dev/null and b/bowerstatic/tests/bower_components/favicon_main/dist/favicon.ico differ
diff --git a/bowerstatic/tests/test_injector.py b/bowerstatic/tests/test_injector.py
index 6b4b2e8..381ed4d 100644
--- a/bowerstatic/tests/test_injector.py
+++ b/bowerstatic/tests/test_injector.py
@@ -744,3 +744,27 @@ def wsgi(environ, start_response):
assert response.body == (
b'Hello!')
+
+
+def test_injector_favicon_renderer():
+ bower = bowerstatic.Bower()
+
+ components = bower.components('components', os.path.join(
+ os.path.dirname(__file__), 'bower_components'))
+
+ def wsgi(environ, start_response):
+ start_response('200 OK', [('Content-Type', 'text/html;charset=UTF-8')])
+ include = components.includer(environ)
+ include('favicon_main')
+ return [b'Hello!']
+
+ injector = bower.injector(wsgi)
+
+ c = Client(injector)
+
+ response = c.get('/')
+ assert response.body == (
+ b''
+ b''
+ b'Hello!')