Stubmaker
Stubmaker is an easy-to-use tool for generating python stubs.
Requirements
- Stubmaker is to be run under Python 3.7.4+
- No side effects during module imports
- Must contain
__all__(this restriction will be removed in upcomming releases)
How to install
pip install stubmaker
stubmaker --help
Usage example
Imagine you have a package with the following structure:
package
-> __init__.py
Contents of __init__.py:
__all__ = ['sleep_for']
from time import sleep
def some_decorator(func):
return func
@some_decorator
def sleep_for(amount: float) -> None:
sleep(amount)
There is a script that calls sleep_for method but passes wrong arguments:
from package import sleep_for
sleep_for(123, 123)
Due to dynamic nature of decorators static analysers (such as mypy) may not raise an error while checking the script:
>> mypy __main__.py
Success: no issues found in 1 source file
Stubs exist to help you! Stubmaker will provide stubs for your package so that its users can find the error using mypy:
>> stubmaker --module-root package --src-root <path to package>/package --output-dir <path to package>/package
>> mypy __main__.py
__main__.py:3: error: Too many arguments for "sleep_for"
Found 1 error in 1 file (checked 1 source file)
License
© YANDEX LLC, 2020-2021. Licensed under the Apache License, Version 2.0. See LICENSE file for more details.
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