hasattr -- whether a python object has an attribute

• Usage:

  hasattr(x, y)

• Inputs:
  • x, a python object,
  • y, a string,
• Outputs:
  • a Boolean value, whether y is an attribute of x;

i1 : foo = pythonValue "'Hello, world!'"

o1 = Hello, world!

o1 : PythonObject of class str

i2 : hasattr(foo, "upper")

o2 = true

i3 : hasattr(foo, "bar")

o3 = false