form.AllowanceChargeAsDiscount nueva clase para descuentos

FossilOrigin-Name: 5b11ff93dff3a301628694c2a6e71940915aea8754a9eab3f35644bc669ddf87

facho/fe/fe.py

@@ -49,8 +49,7 @@ NAMESPACES = {
 }
 
 def fe_from_string(document: str) -> FachoXML:
-    xml = LXMLBuilder.from_string(document)
-    return FachoXML(xml, nsmap=NAMESPACES)
+    return FeXML.from_string(document)
 
 from contextlib import contextmanager
 @contextmanager
@@ -69,6 +68,7 @@ def mock_xades_policy():
         mock.return_value = UrllibPolicyMock()
         yield
 
+        
 class FeXML(FachoXML):
 
     def __init__(self, root, namespace):
@@ -79,6 +79,10 @@ class FeXML(FachoXML):
         self._cn = root.rstrip('/')
         #self.find_or_create_element(self._cn)
 
+    @classmethod
+    def from_string(cls, document: str) -> 'FeXML':
+        return super().from_string(document, namespaces=NAMESPACES)
+    
     def tostring(self, **kw):
         return super().tostring(**kw)\
             .replace("fe:", "")\
@@ -360,6 +364,7 @@ class DianXMLExtensionSigner:
         extcontent = fachoxml.builder.xpath(fachoxml.root, './ext:UBLExtensions/ext:UBLExtension[2]/ext:ExtensionContent')
         fachoxml.append_element(extcontent, signature)
 
+        
 class DianXMLExtensionAuthorizationProvider(FachoXMLExtension):
     # RESOLUCION 0004: pagina 176
 

facho/fe/form/__init__.py

@@ -491,6 +491,11 @@ class AllowanceCharge:
     def hasReason(self):
         return self.reason is not None
 
+class AllowanceChargeAsDiscount(AllowanceCharge):
+    def __init__(self, amount: Amount = Amount(0.0)):
+        self.charge_indicator = False
+        self.amount = amount
+
 class NationalSalesInvoiceDocumentType(str):
     def __str__(self):
         # 6.1.3