Closes #1383: Fix Python 2.5 compatibility of sphinx-apidoc.

CHANGES

@@ -14,6 +14,7 @@ Bugs fixed
   the "wildcard" style reference.
 * #1374: Fix for autosummary generating overly-long summaries if first line
   doesn't end with a period.
+* #1383: Fix Python 2.5 compatibility of sphinx-apidoc.
 
 Documentation
 -------------

sphinx/apidoc.py

@@ -19,6 +19,8 @@ import sys
 import optparse
 from os import path
 
+from sphinx.util.osutil import walk
+
 # automodule options
 if 'SPHINX_APIDOC_OPTIONS' in os.environ:
     OPTIONS = os.environ['SPHINX_APIDOC_OPTIONS'].split(',')
@@ -183,7 +185,7 @@ def recurse_tree(rootpath, excludes, opts):
     toplevels = []
     followlinks = getattr(opts, 'followlinks', False)
     includeprivate = getattr(opts, 'includeprivate', False)
-    for root, subs, files in os.walk(rootpath, followlinks=followlinks):
+    for root, subs, files in walk(rootpath, followlinks=followlinks):
         # document only Python module files (that aren't excluded)
         py_files = sorted(f for f in files
                           if path.splitext(f)[1] in PY_SUFFIXES and