Log Forwarded for address in accesslog instead of client address for gevent

cps/gevent_wsgi.py

@@ -16,7 +16,7 @@
 #  You should have received a copy of the GNU General Public License
 #  along with this program. If not, see <http://www.gnu.org/licenses/>.
 
-
+from datetime import datetime
 from gevent.pywsgi import WSGIHandler
 
 
@@ -27,4 +27,26 @@ class MyWSGIHandler(WSGIHandler):
         env['RAW_URI'] = path
         return env
 
+    def format_request(self):
+        now = datetime.now().replace(microsecond=0)
+        length = self.response_length or '-'
+        if self.time_finish:
+            delta = '%.6f' % (self.time_finish - self.time_start)
+        else:
+            delta = '-'
+        forwarded = self.environ.get('HTTP_X_FORWARDED_FOR', None)
+        if forwarded:
+            client_address = forwarded
+        else:
+            client_address = self.client_address[0] if isinstance(self.client_address, tuple) else self.client_address
+        return '%s - - [%s] "%s" %s %s %s' % (
+            client_address or '-',
+            now,
+            self.requestline or '',
+            # Use the native string version of the status, saved so we don't have to
+            # decode. But fallback to the encoded 'status' in case of subclasses
+            # (Is that really necessary? At least there's no overhead.)
+            (self._orig_status or self.status or '000').split()[0],
+            length,
+            delta)
 

cps/server.py

@@ -21,7 +21,6 @@ import os
 import errno
 import signal
 import socket
-import asyncio
 
 try:
     from gevent.pywsgi import WSGIServer