Enable virDomainBlockPull in the python API.

virDomainBlockPullAll and virDomainBlockPullAbort are handled automatically.
virDomainBlockPull and virDomainBlockPullInfo require manual overrides since
they return a custom type.

* python/generator.py: reenable bindings for this entry point
* python/libvirt-override-api.xml python/libvirt-override.c:
  manual overrides

Signed-off-by: Adam Litke <agl@us.ibm.com>
Acked-by: Daniel P. Berrange <berrange@redhat.com>

python/generator.py

@@ -184,8 +184,6 @@ def enum(type, name, value):
 functions_failed = []
 functions_skipped = [
     "virConnectListDomains",
-    'virDomainBlockPull',
-    'virDomainGetBlockPullInfo',
 ]
 
 skipped_modules = {
@@ -200,7 +198,6 @@ skipped_types = {
      'virConnectDomainEventIOErrorCallback': "No function types in python",
      'virConnectDomainEventGraphicsCallback': "No function types in python",
      'virEventAddHandleFunc': "No function types in python",
-     'virDomainBlockPullInfoPtr': "Not implemented yet",
 }
 
 #######################################################################
@@ -368,6 +365,8 @@ skip_impl = (
     'virDomainSendKey',
     'virNodeGetCPUStats',
     'virNodeGetMemoryStats',
+    'virDomainBlockPull',
+    'virDomainGetBlockPullInfo',
 )