[svn r38772] Make sure target dir exists before writing files to it.

--HG--
branch : trunk

py/apigen/apigen.py

@@ -41,7 +41,8 @@ def build(pkgdir, dsa, capture):
     # output dir
     from py.__.conftest import option
     targetdir = get_apigenpath()
-    targetdir.ensure(dir=True)
+    if not targetdir.check(dir=True):
+        targetdir.ensure(dir=True)
 
     # find out what to build
     all_names = dsa._get_names(filter=lambda x, y: True)

py/doc/confrest.py

@@ -135,6 +135,8 @@ class Project:
         stylesheet = self.stylesheet
         if isinstance(self.stylesheet, py.path.local):
             if not docpath.join(stylesheet.basename).check():
+                if not docpath.check(dir=True):
+                    docpath.ensure(dir=True)
                 stylesheet.copy(docpath)
             stylesheet = relpath(outputpath.strpath,
                                  docpath.join(stylesheet.basename).strpath)