def get(self, instance, **kwargs):
# Get the Expression
expr = ObjectField.get(self, instance, **kwargs)
# use a custom context if it has been passed in
context = kwargs.get('expression_context')
if context is None:
context = getExprContext(instance, instance)
# Expression's __call__ returns a context dictionary if the
# expression's text is an empty string. We return None instead.
if expr.text.strip():
# Return the evaluated expression
value = expr(context)
return encode(value, instance, **kwargs)
else:
return None
def get(self, instance, **kwargs):
# Get Expressions
exprs = ObjectField.get(self, instance, **kwargs)
# use a custom context if it has been passed in
context = kwargs.get('expression_context')
if context is None:
context = getExprContext(instance, instance)
# Return evaluated expressions, and check for empty expr texts.
value = []
for expr in exprs:
if expr.text.strip():
line = expr(context)
value.append(encode(line, instance, **kwargs))
else:
value.append(None)
return value
