new method send_by_file

face/services/invoice.py

@@ -27,18 +27,23 @@ def fetch(self, invoice):
         else:
             return call_result
 
-    def send(self, invoice, attachments=None):
+    def send_by_filename(self, invoice, attachments=None):
+        assert type(invoice) == str, "Invoice must be the filename of the invoice to deliver"
+        invoice_content = base64.b64encode(open(invoice).read())
+        invoice_filename = os.path.basename(invoice)
+        return self.send(invoice_filename, invoice_content, attachments=attachments)
+
+    def send(self, invoice_filename, invoice_content, attachments=None):
         """
         Send an invoice with optional attachments and return the delivery result
 
         It prepares the payload wanted for the `enviarFactura` webservice with a base64 invoice and their filename
         """
-        assert type(invoice) == str, "Invoice must be the filename of the invoice to deliver"
         the_invoice = {
             "correo": self.email,
             "factura": {
-                "factura": base64.b64encode(open(invoice).read()),
-                "nombre": os.path.basename(invoice),
+                "factura": invoice_content,
+                "nombre": invoice_filename,
                 "mime": "application/xml",
             }
         }