def evaluate(self, expression):
if expression is True:
expression = "default"
try:
expression = _ensure_string_from_expression(expression)
result = eval(expression, expression_namespace, self)
except:
import traceback as tb
tb.print_stack()
raise
result = unwrap(result)
return result
def evaluate(self, expression, out=None):
if isinstance(expression, vaex.expression.Expression):
expression = expression.expression
try:
# logger.debug("try avoid evaluating: %s", expression)
result = self[expression]
except KeyError:
# logger.debug("no luck, eval: %s", expression)
# result = ne.evaluate(expression, local_dict=self, out=out)
# logger.debug("in eval")
# eval("def f(")
result = eval(expression, expression_namespace, self)
self.values[expression] = result
# if out is not None:
# out[:] = result
# result = out
# logger.debug("out eval")
# logger.debug("done with eval of %s", expression)
result = unwrap(result)
return result
