Don't cache HEAD responses (fixes djc#120).

Sergey Alifanov · Sergey Alifanov · commit ab5b3b0e1de9 · 2010-03-31T15:14:46.000+02:00
diff --git a/couchdb/http.py b/couchdb/http.py
@@ -288,7 +288,7 @@ def _retry():
                 raise ServerError((status, error))
 
         # Store cachable responses
-        if not streamed and method in ('GET', 'HEAD') and 'etag' in resp.msg:
+        if not streamed and method == 'GET' and 'etag' in resp.msg:
             self.cache[url] = (status, resp.msg, data)
             if len(self.cache) > CACHE_SIZE[1]:
                 self._clean_cache()
