About 55 results
Open links in new tab
  1. What are the differences between type() and isinstance()?

    Generally speaking isinstance is a 'more' elegant way of checking if an object is of a certain "type" (since you are aware of the Inheritance chain). On the other hand, if you are not aware of the inheritance …

  2. How to properly use python's isinstance () to check if a variable is a ...

    Jun 26, 2012 · if type(var) is type(1): ... As expected, pep8 complains about this recommending usage of isinstance(). Now, the problem is that the numbers module was added in Python 2.6 and I need to …

  3. Comparing boolean and int using isinstance - Stack Overflow

    Comparing boolean and int using isinstance Asked 9 years, 8 months ago Modified 4 years, 9 months ago Viewed 57k times

  4. isinstance(object,type) in python - Stack Overflow

    isinstance(object, classinfo) Return true if the object argument is an instance of the classinfo argument, or of a (direct, indirect or virtual) subclass thereof.

  5. 如何正确地使用 isinstance 函数? - 知乎

    Oct 16, 2019 · 如何正确地使用 isinstance 函数? 在阅读 《Fluent Python》时,11.4 节中 Alex Martelli 提到 Python 中 “鸭子类型”的使用,避免了使用 isin… 显示全部 关注者 5

  6. How does isinstance work in python for subclasses?

    May 2, 2021 · Classes in Python do also have information about their subclasses - the C-level PyType_Ready function informs the base classes about a subclass while readying the subclass. …

  7. Python check if variable isinstance of any type in list

    Nov 9, 2022 · isinstance(var, (classinfo1, classinfo2, classinfo3)) In other words, isinstance() already offers this functionality, out of the box. From the isinstance() documentation: If classinfo is neither a …

  8. How to use isinstance to test all possible integer types

    Feb 19, 2021 · isinstance(np.int64(5), int) would/should work, but it doesn't. Is there a way I can test an integer variable for all available integer types?

  9. How does isinstance work for typing.List? - Stack Overflow

    Jul 27, 2024 · The isinstance() and issubclass() have hooks in object.__instancecheck__() and object.__subclasscheck__() that the typing generics also use. If you want to provide your own …

  10. isinstance () and issubclass () return conflicting results

    The built-in functions isinstance and issubclass ask two different questions. isinstance (object, classinfo) asks whether an object is an instance of a class (or a tuple of classes). issubclass (class, classinfo) …