本文介绍了在 PyCharm 类型提示的函数文档字符串中记录 `tuple` 返回类型的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
如何记录函数返回 tuple 的方式,以便 PyCharm 能够将其用于类型提示?
How can I document that a function returns a tuple in such a way that PyCharm will be able to use it for type hinting?
人为的例子:
def fetch_abbrev_customer_info(customer_id): """Pulls abbreviated customer data from the database for the Customer with the specified PK value. :type customer_id:int The ID of the Customer record to fetch. :rtype:??? """ ... magic happens here ... return customer_obj.fullname, customer_obj.status #, etc. 推荐答案我联系了 PyCharm 支持,他们是这样说的:
I contacted PyCharm support, and this is what they said:
对于元组,请使用 (<type_1>, <type_2>, <type_3>, et.c.) 语法.
For tuple please use (<type_1>, <type_2>, <type_3>, e t.c.) syntax.
例如:
""" :rtype: (string, int, int) """这一点在 PyCharm 的文档中得到证实:
This is confirmed in PyCharm's documentation:
Python 文档字符串中的类型语法没有由任何标准定义.因此,PyCharm 建议使用以下符号:
Type SyntaxType syntax in Python docstrings is not defined by any standard. Thus, PyCharm suggests the following notation:
...
- (Foo, Bar) # Foo 和 Bar 的元组
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在 PyCharm 类型提示的函数文档字符串中记录 `tuple` 返回类型
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