From db260dc3feb931947309e88fa93063a0a37b6eda Mon Sep 17 00:00:00 2001
From: Ned Batchelder <ned@nedbatchelder.com>
Date: Sat, 6 Jan 2018 17:06:59 -0500
Subject: A new kind of plug-in: configurers.  #563

---
 coverage/plugin_support.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'coverage/plugin_support.py')

diff --git a/coverage/plugin_support.py b/coverage/plugin_support.py
index 66cc710..c737a42 100644
--- a/coverage/plugin_support.py
+++ b/coverage/plugin_support.py
@@ -20,6 +20,7 @@ class Plugins(object):
         self.order = []
         self.names = {}
         self.file_tracers = []
+        self.configurers = []
 
         self.current_module = None
         self.debug = None
@@ -60,6 +61,15 @@ class Plugins(object):
         """
         self._add_plugin(plugin, self.file_tracers)
 
+    def add_configurer(self, plugin):
+        """Add a configuring plugin.
+
+        `plugin` is an instance of a third-party plugin class. It must
+        implement the :meth:`CoveragePlugin.configure` method.
+
+        """
+        self._add_plugin(plugin, self.configurers)
+
     def add_noop(self, plugin):
         """Add a plugin that does nothing.
 
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