From b3f08359e872f46c028ca5649d79a8e25ff81be6 Mon Sep 17 00:00:00 2001
From: Barbara Miller <galgeek@me.com>
Date: Wed, 14 Feb 2018 17:55:09 -0800
Subject: [PATCH] add CHAIN_POSITION support

---
 warcprox/controller.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/warcprox/controller.py b/warcprox/controller.py
index 30446c3..644fdec 100644
--- a/warcprox/controller.py
+++ b/warcprox/controller.py
@@ -212,6 +212,8 @@ class WarcproxController(object):
                 self._postfetch_chain.append(
                         warcprox.ListenerPostfetchProcessor(
                             plugin, self.options))
+            elif hasattr(plugin, 'CHAIN_POSITION') and plugin.CHAIN_POSITION == 'early':
+                self._postfetch_chain.insert(0, plugin) # or insert early but later than 0?
             else:
                 self._postfetch_chain.append(plugin)