Merge with Distribute 0.6.49

--HG--
rename : distribute_setup.py => ez_setup.py

.hgtags

@@ -70,3 +70,4 @@ ee2c967017024197b38e39ced852808265387a4b 0.6.47
 48d3d26cbea68e21c96e51f01092e8fdead5cd60 0.7.6
 cae9127e0534fc46d7ddbc11f68dc88fd9311459 0.6.48
 1506fa538fff01e70424530a32a44e070720cf3c 0.7.7
+f657df1f1ed46596d236376649c99a470662b4ba 0.6.49

CHANGES.txt

@@ -75,6 +75,14 @@ Added several features that were slated for setuptools 0.6c12:
 
 * Issue #3: Fixed NameError in SSL support.
 
+------
+0.6.49
+------
+
+* Move warning check in ``get_cache_path`` to follow the directory creation
+  to avoid errors when the cache path does not yet exist. Fixes the error
+  reported in #375.
+
 ------
 0.6.48
 ------

pkg_resources.py

@@ -987,13 +987,14 @@ variable to point to an accessible directory.
         extract, as it tracks the generated names for possible cleanup later.
         """
         extract_path = self.extraction_path or get_default_cache()
-        self._warn_unsafe_extraction_path(extract_path)
         target_path = os.path.join(extract_path, archive_name+'-tmp', *names)
         try:
             _bypass_ensure_directory(target_path)
         except:
             self.extraction_error()
 
+        self._warn_unsafe_extraction_path(extract_path)
+
         self.cached_files[target_path] = 1
         return target_path