fix 404 to the modern system

kepi/fastcgi.py

@@ -28,12 +28,6 @@ NODEINFO_PART_2_URI = '/nodeinfo.json'
 WEBFINGER_URI = '/.well-known/webfinger'
 WEBFINGER_MIMETYPE = 'application/jrd+json; charset=utf-8'
 
-ERROR_404 = """Content-Type: text/html
-Status: 404 Not found
-
-That resource does not exist here.
-"""
-
 DEFAULT_HOST = 'localhost'
 DEFAULT_PORT = 17177
 
@@ -77,7 +71,6 @@ Status: 200 OK
 Hello world.
 """
 
-
     return result
 
 def despatch_host_meta(env, match):
@@ -86,7 +79,7 @@ def despatch_host_meta(env, match):
 
     result = {
         'mimetype': CONTENTTYPE_HOST_META,
-        'text': """<?xml version="1.0" encoding="UTF-8"?>
+        'text': f"""<?xml version="1.0" encoding="UTF-8"?>
 <XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0">
         <Link rel="lrdd" type="application/xrd+xml"
         template="https://{env['SERVER_NAME']}/.well-known/webfinger?resource={{uri}}"/>
@@ -313,7 +306,9 @@ def despatch(env):
             result = format_message_for_http(**result)
             return result
 
-    return ERROR_404
+    return format_message_for_http(
+            status = 404,
+            )
 
 class KepiHandler(FcgiHandler):
 

test/test_fastcgi.py

@@ -38,7 +38,6 @@ def test_fastcgi_simple():
                 },
             )
     assert found['Status'].startswith('404 ')
-    assert found['Content-Type']==HTML_MIMETYPE
 
 def test_fastcgi_host_meta():