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This article mainly introduces how to use mypy in python. It is very detailed and has a certain reference value. Friends who are interested must finish it!

1. It is a static checking tool that can help us catch some errors before running code like a static language.

However, when we write Python code, we should write its type like a static language. This is TypeHints.

2. The combination of mypy and TypeHints will increase the amount of code, but it can make IDE provide better code completion and hints through type inference.

Of course, it is also convenient for project refactoring and checking for errors in advance.

Example

# the core configuration of # mypy [mypy] # specifies that the value type of the function should also check that disallow_untyped_defs = True# ignores some import errors. Some old package schemas may not meet the requirements of mypy. Ignore_missing_imports = True# indicates the configuration for the root tests [mypy-tests.*] # indicates that ignoring the check of this scope ignore_errors = True is all the content of the article "how to use mypy in python" Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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