def _serialize_value(value):
"""Serialize AST values into a simple string."""
response = ""
for element in value.elements:
if isinstance(element, ast.TextElement):
response += element.value
elif isinstance(element, ast.Placeable):
if isinstance(element.expression, ast.SelectExpression):
default_variant = _get_default_variant(element.expression.variants)
response += _serialize_value(default_variant.value)
else:
response += "{ " + serialize_expression(element.expression) + " }"
return response
def _serialize_value(value):
"""Serialize AST values into a simple string."""
response = ''
for element in value.elements:
if isinstance(element, ast.TextElement):
response += element.value
elif isinstance(element, ast.Placeable):
if isinstance(element.expression, ast.SelectExpression):
default_variant = _get_default_variant(element.expression.variants)
response += _serialize_value(default_variant.value)
else:
response += '{ ' + serialize_expression(element.expression) + ' }'
return response
def test_invalid_expression(self):
with self.assertRaisesRegex(Exception, 'Unknown expression type'):
serialize_expression(None)
with self.assertRaisesRegex(Exception, 'Unknown expression type'):
serialize_expression(object())
def pretty_expr(text):
parser = FluentParser()
entry = parser.parse_entry(dedent_ftl(text))
expr = entry.value.elements[0].expression
return serialize_expression(expr)
