Refactor function name and add doc string

protocoloadm/views.py

@@ -17,7 +17,7 @@ from vanilla import GenericView
 import sapl
 from materia.models import Proposicao, TipoMateriaLegislativa
 from sapl.crud import build_crud
-from sapl.utils import create_barcode_128_as_base64_png
+from sapl.utils import create_barcode
 
 from .forms import (AnularProcoloAdmForm, DocumentoAcessorioAdministrativoForm,
                     ProposicaoSimpleForm, ProtocoloDocumentForm, ProtocoloForm,
@@ -324,7 +324,7 @@ class ComprovanteProtocoloView(TemplateView):
         protocolo = Protocolo.objects.get(ano=ano, numero=numero)
 
         # numero is string, padd with zeros left via .zfill()
-        base64_data = create_barcode_128_as_base64_png(numero.zfill(6))
+        base64_data = create_barcode(numero.zfill(6))
         barcode = 'data:image/png;base64,{0}'.format(base64_data)
 
         return self.render_to_response({"protocolo": protocolo,

sapl/utils.py

@@ -32,7 +32,10 @@ def xstr(s):
     return '' if s is None else str(s)
 
 
-def create_barcode_128_as_base64_png(value):
+def create_barcode(value):
+    ''' 
+        creates a base64 encoded barcode PNG image
+    '''
     from base64 import b64encode
     from reportlab.graphics.barcode import createBarcodeDrawing