shacache: fix possible MemoryError when uploaded a file

bt5/erp5_web_shacache/ExtensionTemplateItem/ShaCache.py

@@ -27,7 +27,7 @@
 ##############################################################################
 
 
-import hashlib
+import hashlib, httplib
 
 
 def WebSection_getDocumentValue(self, key, portal=None, language=None,\
@@ -105,18 +105,18 @@ def File_viewAsWeb(self):
 def WebSite_viewAsWebPost(self, *args, **kwargs):
   portal = self.getPortalObject()
   sha512sum = hashlib.sha512()
-  self.REQUEST._file.seek(0)
+  file = self.REQUEST._file
   while True:
-    d = self.REQUEST._file.read(1<<20)
+    d = file.read(1<<20)
     if not d:
       break
     sha512sum.update(d)
   sha512sum = sha512sum.hexdigest()
-  document = portal.portal_contributions.newContent(data=self.REQUEST.BODY,
+  document = portal.portal_contributions.newContent(file=file,
     filename='shacache', discover_metadata=False, reference=sha512sum,
     content_type='application/octet-stream')
   document.publish()
 
-  self.REQUEST.RESPONSE.setStatus(201)
+  self.REQUEST.RESPONSE.setStatus(httplib.CREATED)
   return sha512sum
 

bt5/erp5_web_shacache/bt/revision

-62
+63
\ No newline at end of file