Resolve problema do batch_size na request (#2624)

Corrige verificação de existencia de chave no dicionário

sapl/lexml/OAIServer.py

@@ -26,7 +26,7 @@ class OAILEXML:
 
     def __call__(self, element, metadata):
         data = metadata.record
-        if data['metadata']:
+        if data.get('metadata'):
             value = etree.XML(data['metadata'])
             element.append(value)
 
@@ -55,7 +55,7 @@ class OAIServer:
             granularity='YYYY-MM-DDThh:mm:ssZ',
             compression=['identity'],
             toolkit_description=False)
-        if self.config['descricao']:
+        if self.config.get('descricao'):
             result.add_description(self.config['descricao'])
         return result
 

sapl/lexml/views.py

@@ -18,10 +18,15 @@ class LexmlProvedorCrud(Crud):
     class DetailView(Crud.DetailView):
         layout_key = 'LexmlProvedorDetail'
 
+
 def lexml_request(request):
+    request_dict = request.GET.copy()
+    if request_dict.get('batch_size'):
+        del request_dict['batch_size']
+
     config = get_config(request.get_raw_uri(), int(request.GET.get('batch_size', '10')))
     oai_server = OAIServerFactory(config)
-    r = oai_server.handleRequest(request.GET)
+    r = oai_server.handleRequest(request_dict)
     response = r.decode('UTF-8')
     return HttpResponse(response, content_type='text/xml')