[views] Pass through more types of exceptions

cubicweb_rqlcontroller/views.py

@@ -30,12 +30,14 @@ from cubicweb.predicates import (
 )
 from cubicweb.uilib import exc_message
 from cubicweb.utils import json_dumps
-from cubicweb.web import RemoteCallFailed, DirectResponse
+from cubicweb.web import RequestError, RemoteCallFailed, DirectResponse
 from cubicweb.web.controller import Controller
 from cubicweb.web.views.urlrewrite import rgx_action, SchemaBasedRewriter
 from cubicweb import Binary
 from cubicweb_rqlcontroller.rql_schema_holder import RqlIOSchemaHolder
 
+from pyramid import httpexceptions
+
 
 ARGRE = re.compile(r'__r(?P<ref>\d+)$')
 DATARE = re.compile(r'__f(?P<ref>.+)$')
@@ -151,7 +153,8 @@ class RqlIOController(Controller):
         args = self.json()
         try:
             result = self.rqlio(version, *args)
-        except (RemoteCallFailed, DirectResponse):
+        except (RequestError, DirectResponse,
+                httpexceptions.HTTPException):
             raise
         except Exception as exc:
             raise RemoteCallFailed(exc_message(exc, self._cw.encoding))