merge toby-small-chunks-branch; Collector 272: RESPONSE.write of small chunks

ZServer/HTTPResponse.py

@@ -172,11 +172,12 @@ class ZServerHTTPResponse(HTTPResponse):
         if self._chunking:
             data = '%x\r\n%s\r\n' % (len(data),data)
 
+        l=len(data)
+        
         t=self._tempfile
-        if t is None:
+        if t is None or l<200:
             stdout.write(data)
         else:
-            l=len(data)
             b=self._tempstart
             e=b+l
             self._templock.acquire()

doc/CHANGES.txt

@@ -27,6 +27,8 @@ Zope Changes
         enables retrieval of the document source for dedicated WebDAV 
         clients (see ENVIRONMENT.txt for usage)
 
+      - Collector #272: Optimisations for RESPONSE.write
+
     Bugs:
 
       - Collector #32: Use difflib instead of ndiff

lib/python/ZServer/HTTPResponse.py

@@ -172,11 +172,12 @@ class ZServerHTTPResponse(HTTPResponse):
         if self._chunking:
             data = '%x\r\n%s\r\n' % (len(data),data)
 
+        l=len(data)
+        
         t=self._tempfile
-        if t is None:
+        if t is None or l<200:
             stdout.write(data)
         else:
-            l=len(data)
             b=self._tempstart
             e=b+l
             self._templock.acquire()