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git-svn-id: http://svn.code.sf.net/p/docutils/code/trunk@5154 929543f6-e4f2-0310-98a6-ba3bd3dd1d04

1 files changed, 11 insertions, 0 deletions

diff --git a/sandbox/py-rest-doc/sphinx/environment.py b/sandbox/py-rest-doc/sphinx/environment.py
index b131d416c..a3bc17b43 100644
--- a/sandbox/py-rest-doc/sphinx/environment.py
+++ b/sandbox/py-rest-doc/sphinx/environment.py
@@ -677,3 +677,14 @@ class BuildEnvironment:
                 result.append((best_res, type, filename, title, desc))
 
         return heapq.nlargest(n, result)
+
+    def get_real_filename(self, filename):
+        """
+        Pass this function a filename without .rst extension to
+        get the real filename. This also resolves the special
+        `index.rst` files. If the file does not exist the return
+        value will be `None`.
+        """
+        for rstname in filename + '.rst', filename + path.sep + 'index.rst':
+            if rstname in self.mtimes:
+                return rstname