Closes #1117: Handle .pyx files in sphinx-apidoc.

CHANGES

@@ -158,6 +158,7 @@ Bugs fixed
 * Fix text writer not handling visit_legend for figure directive contents.
 * Fix text builder not respecting wide/fullwidth characters: title underline
   width, table layout width and text wrap width.
+* #1117: Handle .pyx files in sphinx-apidoc.
 * #1111: Fix failure to find uppercase words in search when
   :confval:`html_search_language` is 'ja'. Thanks to Tomo Saito.
 * #1108: The text writer now correctly numbers enumerated lists with

sphinx/apidoc.py

@@ -31,6 +31,7 @@ else:
     ]
 
 INITPY = '__init__.py'
+PY_SUFFIXES = set(['.py', '.pyx'])
 
 
 def makename(package, module):
@@ -163,7 +164,8 @@ def recurse_tree(rootpath, excludes, opts):
             del subs[:]
             continue
         # document only Python module files
-        py_files = sorted([f for f in files if path.splitext(f)[1] == '.py'])
+        py_files = sorted(f for f in files
+                          if path.splitext(f)[1] in PY_SUFFIXES)
         is_pkg = INITPY in py_files
         if is_pkg:
             py_files.remove(INITPY)